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Diffstat (limited to 'tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor')
27 files changed, 4161 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ArtifactProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ArtifactProcessor.java new file mode 100644 index 0000000000..b5f536c431 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ArtifactProcessor.java @@ -0,0 +1,48 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; + +/** + * Base interface for artifact processors. + * + * @version $Rev$ $Date$ + */ +public interface ArtifactProcessor<M> { + + /** + * Resolve references from this model to other models. For example references + * from a composite to another one, or references from a composite to a WSDL + * model. + * + * @param model The model to resolve + * @param resolver The resolver to use to resolve referenced models + */ + void resolve(M model, ModelResolver resolver) throws ContributionResolveException; + + /** + * Returns the type of model handled by this artifact processor. + * + * @return The type of model handled by this artifact processor + */ + Class<M> getModelType(); + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ArtifactProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ArtifactProcessorExtensionPoint.java new file mode 100644 index 0000000000..029df61f0f --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ArtifactProcessorExtensionPoint.java @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +/** + * An extension point for artifact processors. + * + * @version $Rev$ $Date$ + */ +public interface ArtifactProcessorExtensionPoint<P extends ArtifactProcessor> { + + /** + * Add an artifact processor. + * + * @param artifactProcessor The artifact processor to add + */ + void addArtifactProcessor(P artifactProcessor); + + /** + * Remove an artifact processor. + * + * @param artifactProcessor The artifact processor to remove + */ + void removeArtifactProcessor(P artifactProcessor); + + /** + * Returns the processor associated with the given artifact type. + * + * @param artifactType An artifact type + * @return The processor associated with the given artifact type + */ + P getProcessor(Object artifactType); + + /** + * Returns the processor associated with the given model type. + * + * @param modelType A model type + * @return The processor associated with the given model type + */ + P getProcessor(Class<?> modelType); + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/BaseStAXArtifactProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/BaseStAXArtifactProcessor.java new file mode 100644 index 0000000000..a451316883 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/BaseStAXArtifactProcessor.java @@ -0,0 +1,618 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.StringTokenizer; + +import javax.xml.XMLConstants; +import javax.xml.namespace.NamespaceContext; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.Extensible; +import org.apache.tuscany.sca.assembly.Extension; +import org.apache.tuscany.sca.assembly.ExtensionFactory; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + + +/** + * A base class with utility methods for the other artifact processors in this module. + * + * @version $Rev$ $Date$ + */ +public abstract class BaseStAXArtifactProcessor { + + /** + * Returns a QName from a string. + * @param reader + * @param value + * @return + */ + protected QName getQNameValue(XMLStreamReader reader, String value) { + if (value != null) { + int index = value.indexOf(':'); + String prefix = index == -1 ? "" : value.substring(0, index); + String localName = index == -1 ? value : value.substring(index + 1); + String ns = reader.getNamespaceContext().getNamespaceURI(prefix); + if (ns == null) { + ns = ""; + } + return new QName(ns, localName, prefix); + } else { + return null; + } + } + + /** + * Returns the boolean value of an attribute. + * @param reader + * @param name + * @return + */ + protected boolean getBoolean(XMLStreamReader reader, String name) { + String value = reader.getAttributeValue(null, name); + if (value == null) { + return false; + } + return Boolean.valueOf(value); + } + + /** + * Returns the QName value of an attribute. + * @param reader + * @param name + * @return + */ + protected QName getQName(XMLStreamReader reader, String name) { + String qname = reader.getAttributeValue(null, name); + return getQNameValue(reader, qname); + } + + /** + * Returns the value of an attribute as a list of QNames. + * @param reader + * @param name + * @return + */ + protected List<QName> getQNames(XMLStreamReader reader, String name) { + String value = reader.getAttributeValue(null, name); + if (value != null) { + List<QName> qnames = new ArrayList<QName>(); + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + qnames.add(getQName(reader, tokens.nextToken())); + } + return qnames; + } else { + return Collections.emptyList(); + } + } + + /** + * Returns the string value of an attribute. + * @param reader + * @param name + * @return + */ + protected String getString(XMLStreamReader reader, String name) { + return reader.getAttributeValue(null, name); + } + + /** + * Test if an attribute is explicitly set + * @param reader + * @param name + * @return + */ + protected boolean isSet(XMLStreamReader reader, String name) { + return reader.getAttributeValue(null, name) != null; + } + + /** + * Returns the value of xsi:type attribute + * @param reader The XML stream reader + * @return The QName of the type, if the attribute is not present, null is + * returned. + */ + protected QName getXSIType(XMLStreamReader reader) { + String qname = reader.getAttributeValue(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, "type"); + return getQNameValue(reader, qname); + } + + /** + * Parse the next child element. + * @param reader + * @return + * @throws XMLStreamException + */ + protected boolean nextChildElement(XMLStreamReader reader) throws XMLStreamException { + while (reader.hasNext()) { + int event = reader.next(); + if (event == END_ELEMENT) { + return false; + } + if (event == START_ELEMENT) { + return true; + } + } + return false; + } + + /** + * Advance the stream to the next END_ELEMENT event skipping any nested + * content. + * @param reader the reader to advance + * @throws XMLStreamException if there was a problem reading the stream + */ + protected void skipToEndElement(XMLStreamReader reader) throws XMLStreamException { + int depth = 0; + while (reader.hasNext()) { + int event = reader.next(); + if (event == XMLStreamConstants.START_ELEMENT) { + depth++; + } else if (event == XMLStreamConstants.END_ELEMENT) { + if (depth == 0) { + return; + } + depth--; + } + } + } + + /** + * + * @param writer + * @param uri + * @throws XMLStreamException + */ + private String writeElementPrefix(XMLStreamWriter writer, String uri) throws XMLStreamException { + if (uri == null) { + return null; + } + String prefix = writer.getPrefix(uri); + if (prefix != null) { + return null; + } else { + + // Find an available prefix and bind it to the given URI + NamespaceContext nsc = writer.getNamespaceContext(); + for (int i=1; ; i++) { + prefix = "ns" + i; + if (nsc.getNamespaceURI(prefix) == null) { + break; + } + } + // writer.setPrefix(prefix, uri); + return prefix; + } + + } + + /** + * Start an element. + * @param uri + * @param name + * @param attrs + * @throws XMLStreamException + */ + protected void writeStart(XMLStreamWriter writer, String uri, String name, XAttr... attrs) throws XMLStreamException { + String prefix = writeElementPrefix(writer, uri); + writer.writeStartElement(uri, name); + if (prefix != null){ + writer.writeNamespace(prefix,uri); + } + writeAttributePrefixes(writer, attrs); + writeAttributes(writer, attrs); + } + + /** + * Start an element. + * @param qname + * @param attrs + * @throws XMLStreamException + */ + protected void writeStart(XMLStreamWriter writer, QName qname, XAttr... attrs) throws XMLStreamException { + writeStart(writer, qname.getNamespaceURI(), qname.getLocalPart(), attrs); + } + + /** + * End an element. + * @param writer + * @throws XMLStreamException + */ + protected void writeEnd(XMLStreamWriter writer) throws XMLStreamException { + writer.writeEndElement(); + } + + /** + * Start a document. + * @param writer + * @throws XMLStreamException + */ + protected void writeStartDocument(XMLStreamWriter writer, String uri, String name, XAttr... attrs) throws XMLStreamException { + writer.writeStartDocument(); + writer.setDefaultNamespace(uri); + writeStart(writer, uri, name, attrs); + writer.writeDefaultNamespace(uri); + } + + /** + * Start a document. + * @param writer + * @param qname + * @param attrs + * @throws XMLStreamException + */ + protected void writeStartDocument(XMLStreamWriter writer, QName qname, XAttr... attrs) throws XMLStreamException { + writeStartDocument(writer, qname.getNamespaceURI(), qname.getLocalPart(), attrs); + } + + /** + * End a document. + * @param writer + * @throws XMLStreamException + */ + protected void writeEndDocument(XMLStreamWriter writer) throws XMLStreamException { + writer.writeEndDocument(); + } + + /** + * Write attributes to the current element. + * @param writer + * @param attrs + * @throws XMLStreamException + */ + protected void writeAttributes(XMLStreamWriter writer, XAttr... attrs) throws XMLStreamException { + for (XAttr attr : attrs) { + if (attr != null) + attr.write(writer); + } + } + + /** + * Write attribute prefixes to the current element. + * @param writer + * @param attrs + * @throws XMLStreamException + */ + protected void writeAttributePrefixes(XMLStreamWriter writer, XAttr... attrs) throws XMLStreamException { + for (XAttr attr : attrs) { + if (attr != null) + attr.writePrefix(writer); + } + } + + /** + * + * @param reader + * @param elementName + * @param extensible + * @param extensionAttributeProcessor + * @param extensionAttributeProcessor + * @param extensionFactory + * @throws ContributionReadException + * @throws XMLStreamException + */ + protected void readExtendedAttributes(XMLStreamReader reader, + Extensible extensible, + StAXAttributeProcessor extensionAttributeProcessor, + ExtensionFactory extensionFactory) throws ContributionReadException, + XMLStreamException { + QName elementName = reader.getName(); + for (int a = 0; a < reader.getAttributeCount(); a++) { + QName attributeName = reader.getAttributeName(a); + if (attributeName.getNamespaceURI() != null && attributeName.getNamespaceURI().length() > 0) { + if (!elementName.getNamespaceURI().equals(attributeName.getNamespaceURI())) { + Object attributeValue = extensionAttributeProcessor.read(attributeName, reader); + Extension attributeExtension; + if (attributeValue instanceof Extension) { + attributeExtension = (Extension)attributeValue; + } else { + attributeExtension = extensionFactory.createExtension(attributeName, attributeValue, true); + } + extensible.getAttributeExtensions().add(attributeExtension); + } + } + } + } + + /** + * + * @param attributeModel + * @param writer + * @param extensibleElement + * @param extensionAttributeProcessor + * @throws ContributionWriteException + * @throws XMLStreamException + */ + protected void writeExtendedAttributes(XMLStreamWriter writer, + Extensible extensibleElement, + StAXAttributeProcessor extensionAttributeProcessor) + throws ContributionWriteException, XMLStreamException { + for (Extension extension : extensibleElement.getAttributeExtensions()) { + if (extension.isAttribute()) { + extensionAttributeProcessor.write(extension, writer); + } + } + } + + protected void readExtendedElement(XMLStreamReader reader, + Extensible extensible, + StAXArtifactProcessor extensionProcessor) throws ContributionReadException, + XMLStreamException { + Object ext = extensionProcessor.read(reader); + if (extensible != null) { + extensible.getExtensions().add(ext); + } + } + + protected void writeExtendedElements(XMLStreamWriter writer, + Extensible extensible, + StAXArtifactProcessor extensionProcessor) throws ContributionWriteException, + XMLStreamException { + for (Object ext : extensible.getExtensions()) { + extensionProcessor.write(ext, writer); + } + } + + /** + * Represents an XML attribute that needs to be written to a document. + */ + public static class XAttr { + + private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; + + private String uri = SCA10_NS; + private String name; + private Object value; + + public XAttr(String uri, String name, String value) { + this.uri = uri; + this.name = name; + this.value = value; + } + + public XAttr(String name, String value) { + this(null, name, value); + } + + public XAttr(String uri, String name, List<?> values) { + this.uri = uri; + this.name = name; + this.value = values; + } + + public XAttr(String name, List<?> values) { + this(null, name, values); + } + + public XAttr(String uri, String name, Boolean value) { + this.uri = uri; + this.name = name; + this.value = value; + } + + public XAttr(String name, Boolean value) { + this(null, name, value); + } + + public XAttr(String uri, String name, Integer value) { + this.uri = uri; + this.name = name; + this.value = value; + } + + public XAttr(String name, Integer value) { + this(null, name, value); + } + + public XAttr(String uri, String name, Double value) { + this.uri = uri; + this.name = name; + this.value = value; + } + + public XAttr(String name, Double value) { + this(null, name, value); + } + + public XAttr(String uri, String name, QName value) { + this.uri = uri; + this.name = name; + this.value = value; + } + + public XAttr(String name, QName value) { + this(null, name, value); + } + + /** + * Writes a string from a QName and registers a prefix for its namespace. + * @param reader + * @param value + * @return + */ + private String writeQNameValue(XMLStreamWriter writer, QName qname) throws XMLStreamException { + if (qname != null) { + String prefix = qname.getPrefix(); + String uri = qname.getNamespaceURI(); + prefix = writer.getPrefix(uri); + if (prefix != null) { + + // Use the prefix already bound to the given URI + if (prefix.length() > 0) { + return prefix + ":" + qname.getLocalPart(); + } else { + + // Empty prefix, just return the local part of the given qname + return qname.getLocalPart(); + } + + } else { + + // Find an available prefix and bind it to the given URI + NamespaceContext nsc = writer.getNamespaceContext(); + for (int i=1; ; i++) { + prefix = "ns" + i; + if (nsc.getNamespaceURI(prefix) == null) { + break; + } + } + // writer.setPrefix(prefix, uri); + writer.writeNamespace(prefix, uri); + return prefix + ":" + qname.getLocalPart(); + } + } else { + return null; + } + } + + /** + * Registers a prefix for the namespace of a QName. + * @param reader + * @param value + * @return + */ + private void writeQNamePrefix(XMLStreamWriter writer, QName qname) throws XMLStreamException { + if (qname != null) { + String prefix = qname.getPrefix(); + String uri = qname.getNamespaceURI(); + prefix = writer.getPrefix(uri); + if (prefix != null) { + return; + } else { + + // Find an available prefix and bind it to the given URI + NamespaceContext nsc = writer.getNamespaceContext(); + for (int i=1; ; i++) { + prefix = "ns" + i; + if (nsc.getNamespaceURI(prefix) == null) { + break; + } + } + // writer.setPrefix(prefix, uri); + writer.writeNamespace(prefix, uri); + } + } + } + + /** + * Write to document + * @param writer + * @throws XMLStreamException + */ + public void write(XMLStreamWriter writer) throws XMLStreamException { + String str; + if (value instanceof QName) { + + // Write a QName + str = writeQNameValue(writer, (QName)value); + + } else if (value instanceof List) { + + // Write a list of values + List<?> values = (List<?>)value; + if (values.isEmpty()) { + return; + } + StringBuffer buffer = new StringBuffer(); + for (Object v: values) { + if (v == null) { + // Skip null values + continue; + } + + if (v instanceof XAttr) { + // Write an XAttr value + ((XAttr)v).write(writer); + continue; + } + + if (buffer.length() != 0) { + buffer.append(' '); + } + if (v instanceof QName) { + // Write a QName value + buffer.append(writeQNameValue(writer, (QName)v)); + } else { + // Write value as a string + buffer.append(String.valueOf(v)); + } + } + str = buffer.toString(); + + } else { + + // Write a string + if (value == null) { + return; + } + str = String.valueOf(value); + } + if (str.length() == 0) { + return; + } + + // Write the attribute + if (uri != null && !uri.equals(SCA10_NS)) { + writer.writeAttribute(uri, name, str); + } else { + writer.writeAttribute(name,str); + } + } + + /** + * Registers a prefix for the namespace of a QName or list of QNames + * @param writer + * @throws XMLStreamException + */ + public void writePrefix(XMLStreamWriter writer) throws XMLStreamException { + if (value instanceof QName) { + + // Write prefix for a single QName value + writeQNamePrefix(writer, (QName)value); + + } else if (value instanceof List) { + + // Write prefixes for a list of values + for (Object v: (List<?>)value) { + if (v instanceof QName) { + // Write prefix for a QName value + writeQNamePrefix(writer, (QName)v); + + } else if (v instanceof XAttr) { + // Write prefix for an XAttr value + ((XAttr)v).writePrefix(writer); + } + } + } + } + } + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultArtifactProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultArtifactProcessorExtensionPoint.java new file mode 100644 index 0000000000..3c67a8c550 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultArtifactProcessorExtensionPoint.java @@ -0,0 +1,66 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.util.HashMap; +import java.util.Map; + +/** + * The default implementation of an artifact processor extension point. + * + * @version $Rev$ $Date$ + */ +abstract class DefaultArtifactProcessorExtensionPoint<P> { + protected final Map<Object, P> processorsByArtifactType = new HashMap<Object, P>(); + protected final Map<Class<?>, P> processorsByModelType = new HashMap<Class<?>, P>(); + + /** + * Constructs a new loader registry. + */ + DefaultArtifactProcessorExtensionPoint() { + } + + /** + * Returns the processor associated with the given artifact type. + * + * @param artifactType An artifact type + * @return The processor associated with the given artifact type + */ + public P getProcessor(Object artifactType) { + return processorsByArtifactType.get(artifactType); + } + + /** + * Returns the processor associated with the given model type. + * + * @param modelType A model type + * @return The processor associated with the given model type + */ + public P getProcessor(Class<?> modelType) { + Class<?>[] classes = modelType.getInterfaces(); + for (Class<?> c : classes) { + P processor = processorsByModelType.get(c); + if (processor != null) { + return processor; + } + } + return processorsByModelType.get(modelType); + } + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultPackageProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultPackageProcessorExtensionPoint.java new file mode 100644 index 0000000000..3c25424325 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultPackageProcessorExtensionPoint.java @@ -0,0 +1,129 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.Constructor; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import org.apache.tuscany.sca.contribution.service.ContributionException; +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; + +/** + * Default implementation of a package processor extension point. + * + * @version $Rev$ $Date$ + */ +public class DefaultPackageProcessorExtensionPoint implements PackageProcessorExtensionPoint { + + private Map<String, PackageProcessor> processors = new HashMap<String, PackageProcessor>(); + private boolean loaded; + + public DefaultPackageProcessorExtensionPoint() { + } + + public void addPackageProcessor(PackageProcessor processor) { + processors.put(processor.getPackageType(), processor); + } + + public void removePackageProcessor(PackageProcessor processor) { + processors.remove(processor.getPackageType()); + } + + public PackageProcessor getPackageProcessor(String contentType) { + loadProcessors(); + return processors.get(contentType); + } + + private synchronized void loadProcessors() { + if (loaded) + return; + + // Get the processor service declarations + Set<ServiceDeclaration> processorDeclarations; + try { + processorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(PackageProcessor.class); + } catch (IOException e) { + throw new IllegalStateException(e); + } + + for (ServiceDeclaration processorDeclaration: processorDeclarations) { + Map<String, String> attributes = processorDeclaration.getAttributes(); + + // Load a URL artifact processor + String packageType = attributes.get("type"); + + // Create a processor wrapper and register it + PackageProcessor processor = new LazyPackageProcessor(packageType, processorDeclaration); + addPackageProcessor(processor); + } + + loaded = true; + } + + /** + * A facade for package processors. + */ + private static class LazyPackageProcessor implements PackageProcessor { + + private ServiceDeclaration processorDeclaration; + private String packageType; + private PackageProcessor processor; + + private LazyPackageProcessor(String packageType, ServiceDeclaration processorDeclaration) { + this.processorDeclaration = processorDeclaration; + this.packageType = packageType; + } + + public URL getArtifactURL(URL packageSourceURL, URI artifact) throws MalformedURLException { + return getProcessor().getArtifactURL(packageSourceURL, artifact); + } + + public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException, IOException { + return getProcessor().getArtifacts(packageSourceURL, inputStream); + } + + public String getPackageType() { + return packageType; + } + + @SuppressWarnings("unchecked") + private PackageProcessor getProcessor() { + if (processor == null) { + try { + Class<PackageProcessor> processorClass = (Class<PackageProcessor>)processorDeclaration.loadClass(); + Constructor<PackageProcessor> constructor = processorClass.getConstructor(); + processor = constructor.newInstance(); + } catch (Exception e) { + throw new IllegalStateException(e); + } + } + return processor; + } + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXArtifactProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXArtifactProcessorExtensionPoint.java new file mode 100644 index 0000000000..a390c61eec --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXArtifactProcessorExtensionPoint.java @@ -0,0 +1,392 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.lang.reflect.Constructor; +import java.util.Map; +import java.util.Set; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ExtensionFactory; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; +import org.apache.tuscany.sca.policy.PolicyFactory; + +/** + * The default implementation of an extension point for StAX artifact processors. + * + * @version $Rev$ $Date$ + */ +public class DefaultStAXArtifactProcessorExtensionPoint extends + DefaultArtifactProcessorExtensionPoint<StAXArtifactProcessor> implements StAXArtifactProcessorExtensionPoint { + + private ExtensionPointRegistry extensionPoints; + private ModelFactoryExtensionPoint modelFactories; + private MonitorFactory monitorFactory; + private boolean loaded; + private StAXArtifactProcessor<Object> extensibleStAXProcessor; + private StAXAttributeProcessor<Object> extensibleStAXAttributeProcessor; + private Monitor monitor = null; + + /** + * Constructs a new extension point. + */ + public DefaultStAXArtifactProcessorExtensionPoint(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + this.modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class); + XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class); + UtilityExtensionPoint utilities = this.extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + if (monitorFactory != null) + this.monitor = monitorFactory.createMonitor(); + this.extensibleStAXProcessor = new ExtensibleStAXArtifactProcessor(this, inputFactory, outputFactory, this.monitor); + + StAXAttributeProcessorExtensionPoint attributeExtensionPoint = extensionPoints.getExtensionPoint(StAXAttributeProcessorExtensionPoint.class); + this.extensibleStAXAttributeProcessor = new ExtensibleStAXAttributeProcessor(attributeExtensionPoint ,inputFactory, outputFactory, this.monitor); + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + public void addArtifactProcessor(StAXArtifactProcessor artifactProcessor) { + if (artifactProcessor.getArtifactType() != null) { + processorsByArtifactType.put((Object)artifactProcessor.getArtifactType(), artifactProcessor); + } + if (artifactProcessor.getModelType() != null) { + processorsByModelType.put(artifactProcessor.getModelType(), artifactProcessor); + } + } + + public void removeArtifactProcessor(StAXArtifactProcessor artifactProcessor) { + if (artifactProcessor.getArtifactType() != null) { + processorsByArtifactType.remove((Object)artifactProcessor.getArtifactType()); + } + if (artifactProcessor.getModelType() != null) { + processorsByModelType.remove(artifactProcessor.getModelType()); + } + } + + @Override + public StAXArtifactProcessor getProcessor(Class<?> modelType) { + loadArtifactProcessors(); + return super.getProcessor(modelType); + } + + @Override + public StAXArtifactProcessor getProcessor(Object artifactType) { + loadArtifactProcessors(); + return super.getProcessor(artifactType); + } + + /** + * Returns a QName object from a QName expressed as {ns}name + * or ns#name. + * + * @param qname + * @return + */ + private static QName getQName(String qname) { + if (qname == null) { + return null; + } + qname = qname.trim(); + if (qname.startsWith("{")) { + int h = qname.indexOf('}'); + if (h != -1) { + return new QName(qname.substring(1, h), qname.substring(h + 1)); + } + } else { + int h = qname.indexOf('#'); + if (h != -1) { + return new QName(qname.substring(0, h), qname.substring(h + 1)); + } + } + throw new IllegalArgumentException("Invalid qname: "+qname); + } + + /** + * Lazily load artifact processors registered in the extension point. + */ + private synchronized void loadArtifactProcessors() { + if (loaded) + return; + + // Get the processor service declarations + Set<ServiceDeclaration> processorDeclarations; + try { + processorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(StAXArtifactProcessor.class); + } catch (IOException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", extensibleStAXProcessor, ie); + throw ie; + } + + for (ServiceDeclaration processorDeclaration : processorDeclarations) { + Map<String, String> attributes = processorDeclaration.getAttributes(); + + // Load a StAX artifact processor + + // Get the model QName + QName artifactType = getQName(attributes.get("qname")); + + // Get the model class name + String modelTypeName = attributes.get("model"); + + // Get the model factory class name + String factoryName = attributes.get("factory"); + + // Create a processor wrapper and register it + StAXArtifactProcessor processor = + new LazyStAXArtifactProcessor(artifactType, modelTypeName, factoryName, + processorDeclaration, extensionPoints, modelFactories, + extensibleStAXProcessor,extensibleStAXAttributeProcessor, monitor); + addArtifactProcessor(processor); + } + + loaded = true; + } + + /** + * A wrapper around an Artifact processor class allowing lazy loading and + * initialization of artifact processors. + */ + private static class LazyStAXArtifactProcessor implements StAXArtifactProcessor { + + private ExtensionPointRegistry extensionPoints; + private QName artifactType; + private String modelTypeName; + private String factoryName; + private ServiceDeclaration processorDeclaration; + private StAXArtifactProcessor processor; + private Class<?> modelType; + private StAXArtifactProcessor<Object> extensionProcessor; + private StAXAttributeProcessor<Object> extensionAttributeProcessor; + private Monitor monitor; + + LazyStAXArtifactProcessor(QName artifactType, + String modelTypeName, + String factoryName, + ServiceDeclaration processorDeclaration, + ExtensionPointRegistry extensionPoints, + ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor<Object> extensionProcessor, + StAXAttributeProcessor<Object> extensionAttributeProcessor, + Monitor monitor) { + + this.extensionPoints = extensionPoints; + this.artifactType = artifactType; + this.modelTypeName = modelTypeName; + this.factoryName = factoryName; + this.processorDeclaration = processorDeclaration; + this.extensionProcessor = extensionProcessor; + this.extensionAttributeProcessor = extensionAttributeProcessor; + this.monitor = monitor; + } + + public QName getArtifactType() { + return artifactType; + } + + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + @SuppressWarnings("unchecked") + private StAXArtifactProcessor getProcessor() { + if (processor == null) { + + if (processorDeclaration.getClassName() + .equals("org.apache.tuscany.sca.assembly.xml.DefaultBeanModelProcessor")) { + + // Specific initialization for the DefaultBeanModelProcessor + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + ExtensionFactory extensionFactory = modelFactories.getFactory(ExtensionFactory.class); + PolicyFactory policyFactory = modelFactories.getFactory(PolicyFactory.class); + try { + Class<StAXArtifactProcessor> processorClass = + (Class<StAXArtifactProcessor>)processorDeclaration.loadClass(); + Object modelFactory; + if (factoryName != null) { + Class<?> factoryClass = (Class<?>)processorDeclaration.loadClass(factoryName); + modelFactory = modelFactories.getFactory(factoryClass); + } else { + modelFactory = null; + } + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(AssemblyFactory.class, + ExtensionFactory.class, + PolicyFactory.class, + QName.class, + Class.class, + Object.class, + Monitor.class); + processor = + constructor.newInstance(assemblyFactory, + extensionFactory, + policyFactory, + artifactType, + getModelType(), + modelFactory, + monitor); + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processor, ie); + throw ie; + } + } else { + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + + // Load and instantiate the processor class + try { + Class<StAXArtifactProcessor> processorClass = + (Class<StAXArtifactProcessor>)processorDeclaration.loadClass(); + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, Monitor.class); + processor = constructor.newInstance(modelFactories, monitor); + } catch (NoSuchMethodException e) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, Monitor.class); + processor = constructor.newInstance(extensionPoints, monitor); + } catch (NoSuchMethodException e1) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, StAXArtifactProcessor.class, Monitor.class); + processor = constructor.newInstance(modelFactories, extensionProcessor, monitor); + } catch (NoSuchMethodException e2) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, StAXArtifactProcessor.class, StAXAttributeProcessor.class, Monitor.class); + processor = constructor.newInstance(modelFactories, extensionProcessor, extensionAttributeProcessor, monitor); + } catch (NoSuchMethodException e2a) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, StAXArtifactProcessor.class, Monitor.class); + processor = constructor.newInstance(extensionPoints, extensionProcessor, monitor); + } catch (NoSuchMethodException e3) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, StAXArtifactProcessor.class, StAXAttributeProcessor.class, Monitor.class); + processor = constructor.newInstance(extensionPoints, extensionProcessor, extensionAttributeProcessor, monitor); + } catch (NoSuchMethodException e3a) { + + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class); + processor = constructor.newInstance(modelFactories); + } catch (NoSuchMethodException e4) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class); + processor = constructor.newInstance(extensionPoints); + } catch (NoSuchMethodException e4a) { + try { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, StAXArtifactProcessor.class); + processor = constructor.newInstance(modelFactories, extensionProcessor); + } catch (NoSuchMethodException e5) { + Constructor<StAXArtifactProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, StAXArtifactProcessor.class); + processor = constructor.newInstance(extensionPoints, extensionProcessor); + } + } + } + } + } + } + } + } + } + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processor, ie); + throw ie; + } + } + } + return processor; + } + + public Object read(XMLStreamReader inputSource) throws ContributionReadException, XMLStreamException { + return getProcessor().read(inputSource); + } + + @SuppressWarnings("unchecked") + public void write(Object model, XMLStreamWriter outputSource) throws ContributionWriteException, + XMLStreamException { + getProcessor().write(model, outputSource); + } + + public Class<?> getModelType() { + if (modelTypeName != null && modelType == null) { + try { + modelType = processorDeclaration.loadClass(modelTypeName); + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processorDeclaration, ie); + throw ie; + } + } + return modelType; + } + + @SuppressWarnings("unchecked") + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + getProcessor().resolve(model, resolver); + } + + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java new file mode 100644 index 0000000000..3699a09f00 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java @@ -0,0 +1,327 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.lang.reflect.Constructor; +import java.util.Map; +import java.util.Set; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + +/** + * The default implementation of an extension point for StAX artifact processors. + * + * @version $Rev$ $Date$ + */ +public class DefaultStAXAttributeProcessorExtensionPoint extends + DefaultArtifactProcessorExtensionPoint<StAXAttributeProcessor> implements StAXAttributeProcessorExtensionPoint { + + private ExtensionPointRegistry extensionPoints; + private ModelFactoryExtensionPoint modelFactories; + private StAXAttributeProcessor<Object> extensibleStAXAttributeProcessor; + private boolean loaded; + private Monitor monitor = null; + + /** + * Constructs a new extension point. + */ + public DefaultStAXAttributeProcessorExtensionPoint(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + this.modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class); + XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class); + UtilityExtensionPoint utilities = this.extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + if (monitorFactory != null) { + this.monitor = monitorFactory.createMonitor(); + } + this.extensibleStAXAttributeProcessor = new ExtensibleStAXAttributeProcessor(this, inputFactory, outputFactory, this.monitor); + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + public void addArtifactProcessor(StAXAttributeProcessor artifactProcessor) { + if (artifactProcessor.getArtifactType() != null) { + processorsByArtifactType.put((Object)artifactProcessor.getArtifactType(), artifactProcessor); + } + if (artifactProcessor.getModelType() != null) { + processorsByModelType.put(artifactProcessor.getModelType(), artifactProcessor); + } + } + + public void removeArtifactProcessor(StAXAttributeProcessor artifactProcessor) { + if (artifactProcessor.getArtifactType() != null) { + processorsByArtifactType.remove((Object)artifactProcessor.getArtifactType()); + } + if (artifactProcessor.getModelType() != null) { + processorsByModelType.remove(artifactProcessor.getModelType()); + } + } + + @Override + public StAXAttributeProcessor getProcessor(Class<?> modelType) { + loadArtifactProcessors(); + return super.getProcessor(modelType); + } + + @Override + public StAXAttributeProcessor getProcessor(Object artifactType) { + loadArtifactProcessors(); + return super.getProcessor(artifactType); + } + + /** + * Returns a QName object from a QName expressed as {ns}name + * or ns#name. + * + * @param qname + * @return + */ + private static QName getQName(String qname) { + if (qname == null) { + return null; + } + qname = qname.trim(); + if (qname.startsWith("{")) { + int h = qname.indexOf('}'); + if (h != -1) { + return new QName(qname.substring(1, h), qname.substring(h + 1)); + } + } else { + int h = qname.indexOf('#'); + if (h != -1) { + return new QName(qname.substring(0, h), qname.substring(h + 1)); + } + } + throw new IllegalArgumentException("Invalid qname: "+qname); + } + + /** + * Lazily load artifact processors registered in the extension point. + */ + private synchronized void loadArtifactProcessors() { + if (loaded) + return; + + // Get the processor service declarations + Set<ServiceDeclaration> processorDeclarations; + try { + processorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(StAXAttributeProcessor.class); + } catch (IOException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", extensibleStAXAttributeProcessor, ie); + throw ie; + } + + for (ServiceDeclaration processorDeclaration : processorDeclarations) { + Map<String, String> attributes = processorDeclaration.getAttributes(); + + // Load a StAX artifact processor + + // Get the model QName + QName artifactType = getQName(attributes.get("qname")); + + // Get the model class name + String modelTypeName = attributes.get("model"); + + // Get the model factory class name + String factoryName = attributes.get("factory"); + + // Create a processor wrapper and register it + StAXAttributeProcessor processor = + new LazyStAXAttributeProcessor(artifactType, modelTypeName, factoryName, + processorDeclaration, extensionPoints, modelFactories, + extensibleStAXAttributeProcessor, monitor); + addArtifactProcessor(processor); + } + + loaded = true; + } + + /** + * A wrapper around an Artifact processor class allowing lazy loading and + * initialization of artifact processors. + */ + private static class LazyStAXAttributeProcessor implements StAXAttributeProcessor { + + private ExtensionPointRegistry extensionPoints; + private QName artifactType; + private String modelTypeName; + private String factoryName; + private ServiceDeclaration processorDeclaration; + private StAXAttributeProcessor processor; + private Class<?> modelType; + private StAXAttributeProcessor<Object> extensionProcessor; + private Monitor monitor; + + LazyStAXAttributeProcessor(QName artifactType, + String modelTypeName, + String factoryName, + ServiceDeclaration processorDeclaration, + ExtensionPointRegistry extensionPoints, + ModelFactoryExtensionPoint modelFactories, + StAXAttributeProcessor<Object> extensionProcessor, + Monitor monitor) { + + this.extensionPoints = extensionPoints; + this.artifactType = artifactType; + this.modelTypeName = modelTypeName; + this.factoryName = factoryName; + this.processorDeclaration = processorDeclaration; + this.extensionProcessor = extensionProcessor; + this.monitor = monitor; + } + + public QName getArtifactType() { + return artifactType; + } + + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + @SuppressWarnings("unchecked") + private StAXAttributeProcessor getProcessor() { + if (processor == null) { + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + + // Load and instantiate the processor class + try { + Class<StAXAttributeProcessor> processorClass = + (Class<StAXAttributeProcessor>)processorDeclaration.loadClass(); + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, Monitor.class); + processor = constructor.newInstance(modelFactories, monitor); + } catch (NoSuchMethodException e) { + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, Monitor.class); + processor = constructor.newInstance(extensionPoints, monitor); + } catch (NoSuchMethodException e1) { + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, StAXArtifactProcessor.class, Monitor.class); + processor = constructor.newInstance(modelFactories, extensionProcessor, monitor); + } catch (NoSuchMethodException e2) { + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, StAXArtifactProcessor.class, Monitor.class); + processor = constructor.newInstance(extensionPoints, extensionProcessor, monitor); + } catch (NoSuchMethodException e3) { + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class); + processor = constructor.newInstance(modelFactories); + } catch (NoSuchMethodException e4) { + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class); + processor = constructor.newInstance(extensionPoints); + } catch (NoSuchMethodException e4a) { + try { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ModelFactoryExtensionPoint.class, StAXArtifactProcessor.class); + processor = constructor.newInstance(modelFactories, extensionProcessor); + } catch (NoSuchMethodException e5) { + Constructor<StAXAttributeProcessor> constructor = + processorClass.getConstructor(ExtensionPointRegistry.class, StAXArtifactProcessor.class); + processor = constructor.newInstance(extensionPoints, extensionProcessor); + } + } + } + } + } + } + } + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processor, ie); + throw ie; + } + + } + return processor; + } + + public Object read(QName attributeName, XMLStreamReader inputSource) throws ContributionReadException, XMLStreamException { + return getProcessor().read(attributeName, inputSource); + } + + @SuppressWarnings("unchecked") + public void write(Object model, XMLStreamWriter outputSource) throws ContributionWriteException, XMLStreamException { + getProcessor().write(model, outputSource); + } + + public Class<?> getModelType() { + if (modelTypeName != null && modelType == null) { + try { + modelType = processorDeclaration.loadClass(modelTypeName); + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processorDeclaration, ie); + throw ie; + } + } + return modelType; + } + + @SuppressWarnings("unchecked") + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + getProcessor().resolve(model, resolver); + } + + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultURLArtifactProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultURLArtifactProcessorExtensionPoint.java new file mode 100644 index 0000000000..7725360f6f --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultURLArtifactProcessorExtensionPoint.java @@ -0,0 +1,244 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.lang.reflect.Constructor; +import java.net.URI; +import java.net.URL; +import java.util.Map; +import java.util.Set; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; + +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + + +/** + * The default implementation of a URL artifact processor extension point. + * + * @version $Rev$ $Date$ + */ +public class DefaultURLArtifactProcessorExtensionPoint + extends DefaultArtifactProcessorExtensionPoint<URLArtifactProcessor> + implements URLArtifactProcessorExtensionPoint { + + private ExtensionPointRegistry extensionPoints; + private StAXArtifactProcessor<?> staxProcessor; + private boolean loaded; + private Monitor monitor = null; + + /** + * Constructs a new extension point. + */ + public DefaultURLArtifactProcessorExtensionPoint(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + ModelFactoryExtensionPoint modelFactories = this.extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class); + XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class); + UtilityExtensionPoint utilities = this.extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + if (monitorFactory != null) { + this.monitor = monitorFactory.createMonitor(); + } + StAXArtifactProcessorExtensionPoint staxProcessors = + extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory, this.monitor); + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + public void addArtifactProcessor(URLArtifactProcessor artifactProcessor) { + if (artifactProcessor.getArtifactType() != null) { + processorsByArtifactType.put((Object)artifactProcessor.getArtifactType(), artifactProcessor); + } + if (artifactProcessor.getModelType() != null) { + processorsByModelType.put(artifactProcessor.getModelType(), artifactProcessor); + } + } + + public void removeArtifactProcessor(URLArtifactProcessor artifactProcessor) { + if (artifactProcessor.getArtifactType() != null) { + processorsByArtifactType.remove((Object)artifactProcessor.getArtifactType()); + } + if (artifactProcessor.getModelType() != null) { + processorsByModelType.remove(artifactProcessor.getModelType()); + } + } + + @Override + public URLArtifactProcessor getProcessor(Class<?> modelType) { + loadProcessors(); + return super.getProcessor(modelType); + } + + @Override + public URLArtifactProcessor getProcessor(Object artifactType) { + loadProcessors(); + return super.getProcessor(artifactType); + } + + /** + * Lazily load artifact processors registered in the extension point. + */ + private synchronized void loadProcessors() { + if (loaded) + return; + + // Get the processor service declarations + Set<ServiceDeclaration> processorDeclarations; + try { + processorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(URLArtifactProcessor.class); + } catch (IOException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", staxProcessor, ie); + throw ie; + } + + for (ServiceDeclaration processorDeclaration: processorDeclarations) { + Map<String, String> attributes = processorDeclaration.getAttributes(); + // Load a URL artifact processor + String artifactType = attributes.get("type"); + String modelTypeName = attributes.get("model"); + + // Create a processor wrapper and register it + URLArtifactProcessor processor = new LazyURLArtifactProcessor(artifactType, modelTypeName, + processorDeclaration, extensionPoints, staxProcessor, monitor); + addArtifactProcessor(processor); + } + + loaded = true; + } + + /** + * A wrapper around an Artifact processor class allowing lazy loading and + * initialization of artifact processors. + */ + private static class LazyURLArtifactProcessor implements URLArtifactProcessor { + + private ExtensionPointRegistry extensionPoints; + private String artifactType; + private String modelTypeName; + private ServiceDeclaration processorDeclaration; + private URLArtifactProcessor processor; + private Class<?> modelType; + private StAXArtifactProcessor<?> staxProcessor; + private Monitor monitor; + + LazyURLArtifactProcessor(String artifactType, + String modelTypeName, + ServiceDeclaration processorDeclaration, + ExtensionPointRegistry extensionPoints, + StAXArtifactProcessor<?> staxProcessor, + Monitor monitor) { + this.artifactType = artifactType; + this.modelTypeName = modelTypeName; + this.processorDeclaration = processorDeclaration; + this.extensionPoints = extensionPoints; + this.staxProcessor = staxProcessor; + this.monitor = monitor; + } + + public String getArtifactType() { + return artifactType; + } + + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + @SuppressWarnings("unchecked") + private URLArtifactProcessor getProcessor() { + if (processor == null) { + try { + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + Class<URLArtifactProcessor> processorClass = (Class<URLArtifactProcessor>)processorDeclaration.loadClass(); + try { + Constructor<URLArtifactProcessor> constructor = processorClass.getConstructor(ModelFactoryExtensionPoint.class, Monitor.class); + processor = constructor.newInstance(modelFactories, monitor); + } catch (NoSuchMethodException e) { + try { + Constructor<URLArtifactProcessor> constructor = processorClass.getConstructor(ModelFactoryExtensionPoint.class, StAXArtifactProcessor.class, Monitor.class); + processor = constructor.newInstance(modelFactories, staxProcessor, monitor); + } catch (NoSuchMethodException e2) { + Constructor<URLArtifactProcessor> constructor = processorClass.getConstructor(ExtensionPointRegistry.class, Monitor.class); + processor = constructor.newInstance(extensionPoints, monitor); + } + } + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processor, ie); + throw ie; + } + } + return processor; + } + + public Object read(URL contributionURL, URI artifactURI, URL artifactURL) throws ContributionReadException { + return getProcessor().read(contributionURL, artifactURI, artifactURL); + } + + public Class<?> getModelType() { + if (modelTypeName != null && modelType == null) { + try { + modelType = processorDeclaration.loadClass(modelTypeName); + } catch (ClassNotFoundException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", processorDeclaration, ie); + throw ie; + } + } + return modelType; + } + + @SuppressWarnings("unchecked") + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + getProcessor().resolve(model, resolver); + } + + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java new file mode 100644 index 0000000000..6fc32d4e70 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java @@ -0,0 +1,317 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.io.InputStream; +import java.io.Reader; +import java.net.URL; +import java.net.URLConnection; +import java.security.AccessController; +import java.security.PrivilegedActionException; +import java.security.PrivilegedExceptionAction; +import java.util.List; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.XMLConstants; +import javax.xml.stream.EventFilter; +import javax.xml.stream.StreamFilter; +import javax.xml.stream.XMLEventReader; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLReporter; +import javax.xml.stream.XMLResolver; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.util.XMLEventAllocator; +import javax.xml.transform.Source; +import javax.xml.transform.stream.StreamSource; +import javax.xml.validation.Schema; +import javax.xml.validation.SchemaFactory; + +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; +import org.xml.sax.SAXException; +import org.xml.sax.SAXParseException; + +/** + * Default implementation of an XMLInputFactory that creates validating + * XMLStreamReaders. + * + * @version $Rev$ $Date$ + */ +public class DefaultValidatingXMLInputFactory extends ValidatingXMLInputFactory { + private static final Logger logger = Logger.getLogger(DefaultValidatingXMLInputFactory.class.getName()); + private XMLInputFactory inputFactory; + private ValidationSchemaExtensionPoint schemas; + private Monitor monitor; + private boolean initialized; + private boolean hasSchemas; + private Schema aggregatedSchema; + + /** + * Constructs a new XMLInputFactory. + * + * @param inputFactory + * @param schemas + */ + public DefaultValidatingXMLInputFactory(XMLInputFactory inputFactory, ValidationSchemaExtensionPoint schemas, Monitor monitor) { + this.inputFactory = inputFactory; + this.schemas = schemas; + this.monitor = monitor; + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = + new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, + message, ex); + monitor.problem(problem); + } + } + + /** + * Initialize the registered schemas and create an aggregated schema for + * validation. + */ + private void initializeSchemas() { + if (initialized) { + return; + } + initialized = true; + + // Load the XSDs registered in the validation schema extension point + try { + List<String> uris = schemas.getSchemas(); + int n = uris.size(); + if (n ==0) { + return; + } else { + hasSchemas = true; + } + final Source[] sources = new Source[n]; + for (int i =0; i < n; i++) { + final String uri = uris.get(i); + // Allow privileged access to open URL stream. Requires FilePermission in security policy. + final URL url = new URL( uri ); + InputStream urlStream; + try { + urlStream = AccessController.doPrivileged(new PrivilegedExceptionAction<InputStream>() { + public InputStream run() throws IOException { + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + return connection.getInputStream(); + } + }); + } catch (PrivilegedActionException e) { + error("PrivilegedActionException", url, (IOException)e.getException()); + throw (IOException)e.getException(); + } + sources[i] = new StreamSource(urlStream, uri); + } + + // Create an aggregated validation schemas from all the XSDs + final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI); + // Allow privileged access to check files. Requires FilePermission + // in security policy. + try { + aggregatedSchema = AccessController.doPrivileged(new PrivilegedExceptionAction<Schema>() { + public Schema run() throws SAXException { + return schemaFactory.newSchema(sources); + } + }); + } catch (PrivilegedActionException e) { + error("PrivilegedActionException", schemaFactory, (SAXException)e.getException()); + throw (SAXException)e.getException(); + } + + } catch (Error e) { + // FIXME Log this, some old JDKs don't support XMLSchema validation + logger.log(Level.WARNING, "XML Schema validation is not supported: " + e.getMessage()); + } catch (SAXParseException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", schemas, ie); + throw ie; + } catch (Exception e) { + //FIXME Log this, some old JDKs don't support XMLSchema validation + logger.log(Level.WARNING, "XML Schema validation is not supported: " + e.getMessage()); + } + } + + @Override + public XMLEventReader createFilteredReader(XMLEventReader arg0, EventFilter arg1) throws XMLStreamException { + return inputFactory.createFilteredReader(arg0, arg1); + } + + @Override + public XMLStreamReader createFilteredReader(XMLStreamReader arg0, StreamFilter arg1) throws XMLStreamException { + return inputFactory.createFilteredReader(arg0, arg1); + } + + @Override + public XMLEventReader createXMLEventReader(InputStream arg0, String arg1) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0, arg1); + } + + @Override + public XMLEventReader createXMLEventReader(InputStream arg0) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0); + } + + @Override + public XMLEventReader createXMLEventReader(Reader arg0) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0); + } + + @Override + public XMLEventReader createXMLEventReader(Source arg0) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0); + } + + @Override + public XMLEventReader createXMLEventReader(String arg0, InputStream arg1) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0, arg1); + } + + @Override + public XMLEventReader createXMLEventReader(String arg0, Reader arg1) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0, arg1); + } + + @Override + public XMLEventReader createXMLEventReader(XMLStreamReader arg0) throws XMLStreamException { + return inputFactory.createXMLEventReader(arg0); + } + + @Override + public XMLStreamReader createXMLStreamReader(InputStream arg0, String arg1) throws XMLStreamException { + initializeSchemas(); + if (hasSchemas) { + return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor); + }else { + return inputFactory.createXMLStreamReader(arg0, arg1); + } + } + + @Override + public XMLStreamReader createXMLStreamReader(InputStream arg0) throws XMLStreamException { + initializeSchemas(); + if (hasSchemas) { + return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor); + } else { + return inputFactory.createXMLStreamReader(arg0); + } + } + + @Override + public XMLStreamReader createXMLStreamReader(Reader arg0) throws XMLStreamException { + initializeSchemas(); + if (hasSchemas) { + return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor); + } else { + return inputFactory.createXMLStreamReader(arg0); + } + } + + @Override + public XMLStreamReader createXMLStreamReader(Source arg0) throws XMLStreamException { + initializeSchemas(); + if (hasSchemas) { + return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor); + } else { + return inputFactory.createXMLStreamReader(arg0); + } + } + + @Override + public XMLStreamReader createXMLStreamReader(String arg0, InputStream arg1) throws XMLStreamException { + initializeSchemas(); + if (hasSchemas) { + return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor); + } else { + return inputFactory.createXMLStreamReader(arg0, arg1); + } + } + + @Override + public XMLStreamReader createXMLStreamReader(String arg0, Reader arg1) throws XMLStreamException { + initializeSchemas(); + if (hasSchemas) { + return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor); + } else { + return inputFactory.createXMLStreamReader(arg0, arg1); + } + } + + @Override + public XMLEventAllocator getEventAllocator() { + return inputFactory.getEventAllocator(); + } + + @Override + public Object getProperty(String arg0) throws IllegalArgumentException { + return inputFactory.getProperty(arg0); + } + + @Override + public XMLReporter getXMLReporter() { + return inputFactory.getXMLReporter(); + } + + @Override + public XMLResolver getXMLResolver() { + return inputFactory.getXMLResolver(); + } + + @Override + public boolean isPropertySupported(String arg0) { + return inputFactory.isPropertySupported(arg0); + } + + @Override + public void setEventAllocator(XMLEventAllocator arg0) { + inputFactory.setEventAllocator(arg0); + } + + @Override + public void setProperty(String arg0, Object arg1) throws IllegalArgumentException { + inputFactory.setProperty(arg0, arg1); + } + + @Override + public void setXMLReporter(XMLReporter arg0) { + inputFactory.setXMLReporter(arg0); + } + + @Override + public void setXMLResolver(XMLResolver arg0) { + inputFactory.setXMLResolver(arg0); + } + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidationSchemaExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidationSchemaExtensionPoint.java new file mode 100644 index 0000000000..9f4094aa12 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidationSchemaExtensionPoint.java @@ -0,0 +1,95 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; + +/** + * Default implementation of an extension point for XML schemas. + * + * @version $Rev$ $Date$ + */ +public class DefaultValidationSchemaExtensionPoint implements ValidationSchemaExtensionPoint { + + private List<String> schemas = new ArrayList<String>(); + private boolean loaded; + + public void addSchema(String uri) { + schemas.add(uri); + } + + public void removeSchema(String uri) { + schemas.remove(uri); + } + + /** + * Load schema declarations from META-INF/services/ + * org.apache.tuscany.sca.contribution.processor.ValidationSchema files + */ + private synchronized void loadSchemas() { + if (loaded) + return; + + // Get the schema declarations + Set<ServiceDeclaration> schemaDeclarations; + try { + schemaDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations("org.apache.tuscany.sca.contribution.processor.ValidationSchema"); + } catch (IOException e) { + throw new IllegalStateException(e); + } + + // TODO - temp fix to ensure that the schema tuscany-sca.xsd always comes first + String tuscanyScaXsd = null; + + // Find each schema + for (ServiceDeclaration schemaDeclaration: schemaDeclarations) { + URL url = schemaDeclaration.getResource(schemaDeclaration.getClassName()); + if (url == null) { + throw new IllegalArgumentException(new FileNotFoundException(schemaDeclaration.getClassName())); + } + + if (url.toString().contains("tuscany-sca.xsd")){ + tuscanyScaXsd = url.toString(); + } else { + schemas.add(url.toString()); + } + } + + if (tuscanyScaXsd != null){ + schemas.add(0, tuscanyScaXsd); + } + + loaded = true; + } + + public List<String> getSchemas() { + loadSchemas(); + return schemas; + } + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensiblePackageProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensiblePackageProcessor.java new file mode 100644 index 0000000000..2e24477f35 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensiblePackageProcessor.java @@ -0,0 +1,99 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.util.List; + +import org.apache.tuscany.sca.contribution.service.ContributionException; +import org.apache.tuscany.sca.contribution.service.TypeDescriber; +import org.apache.tuscany.sca.contribution.service.UnsupportedPackageTypeException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + +/** + * Implementation of an extensible package processor. + * + * Takes a package processor extension point and delegates to the proper package + * processor from the extension point based on the package's content type. + * + * @version $Rev$ $Date$ + */ +public class ExtensiblePackageProcessor implements PackageProcessor { + + private PackageProcessorExtensionPoint processors; + private TypeDescriber packageTypeDescriber; + private Monitor monitor; + + public ExtensiblePackageProcessor(PackageProcessorExtensionPoint processors, + TypeDescriber packageTypeDescriber, + Monitor monitor) { + this.processors = processors; + this.packageTypeDescriber = packageTypeDescriber; + this.monitor = monitor; + } + + /** + * Marshals errors into the monitor + * + * @param problems + * @param message + * @param model + */ + protected void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) + throws ContributionException, IOException { + String packageType = this.packageTypeDescriber.getType(packageSourceURL, null); + if (packageType == null) { + error("UnsupportedPackageTypeException", packageTypeDescriber, packageSourceURL.toString()); + throw new UnsupportedPackageTypeException("Unsupported contribution package type: " + packageSourceURL.toString()); + } + + PackageProcessor packageProcessor = this.processors.getPackageProcessor(packageType); + if (packageProcessor == null) { + error("UnsupportedPackageTypeException", packageTypeDescriber, packageType); + throw new UnsupportedPackageTypeException("Unsupported contribution package type: " + packageType); + } + + return packageProcessor.getArtifacts(packageSourceURL, inputStream); + } + + public URL getArtifactURL(URL packageSourceURL, URI artifact) throws MalformedURLException { + String contentType = this.packageTypeDescriber.getType(packageSourceURL, null); + PackageProcessor packageProcessor = this.processors.getPackageProcessor(contentType); + return packageProcessor.getArtifactURL(packageSourceURL, artifact); + } + + public String getPackageType() { + return null; + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleStAXArtifactProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleStAXArtifactProcessor.java new file mode 100644 index 0000000000..cc3eaf9379 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleStAXArtifactProcessor.java @@ -0,0 +1,264 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.Constants; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.contribution.service.UnrecognizedElementException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + +/** + * Implementation of an extensible StAX artifact processor. + * + * Takes a StAXArtifactProcessorExtensionPoint and delegates to the proper + * StAXArtifactProcessor by element QName + * + * @version $Rev$ $Date$ + */ +public class ExtensibleStAXArtifactProcessor implements StAXArtifactProcessor<Object> { + + private static final QName ANY_ELEMENT = new QName(Constants.XMLSCHEMA_NS, "anyElement"); + + private static final Logger logger = Logger.getLogger(ExtensibleStAXArtifactProcessor.class.getName()); + private XMLInputFactory inputFactory; + private XMLOutputFactory outputFactory; + private StAXArtifactProcessorExtensionPoint processors; + private Monitor monitor; + + /** + * Constructs a new ExtensibleStAXArtifactProcessor. + * @param processors + * @param inputFactory + * @param outputFactory + */ + public ExtensibleStAXArtifactProcessor(StAXArtifactProcessorExtensionPoint processors, + XMLInputFactory inputFactory, + XMLOutputFactory outputFactory, + Monitor monitor) { + super(); + this.processors = processors; + this.inputFactory = inputFactory; + this.outputFactory = outputFactory; + if (this.outputFactory != null) { + this.outputFactory.setProperty("javax.xml.stream.isRepairingNamespaces", Boolean.TRUE); + } + this.monitor = monitor; + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void warning(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + + public Object read(XMLStreamReader source) throws ContributionReadException, XMLStreamException { + + // Delegate to the processor associated with the element QName + int event = source.getEventType(); + if (event == XMLStreamConstants.START_DOCUMENT) { + source.nextTag(); + } + QName name = source.getName(); + StAXArtifactProcessor<?> processor = (StAXArtifactProcessor<?>)processors.getProcessor(name); + if (processor == null) { + Location location = source.getLocation(); + if (logger.isLoggable(Level.WARNING)) { + logger.warning("Element " + name + " cannot be processed. (" + location + ")"); + } + warning("ElementCannotBeProcessed", processors, name, location); + + StAXArtifactProcessor anyElementProcessor = processors.getProcessor(ANY_ELEMENT); + if(anyElementProcessor != null) { + return anyElementProcessor.read(source); + } else { + return null; + } + + } + return processor.read(source); + } + + @SuppressWarnings("unchecked") + public void write(Object model, XMLStreamWriter outputSource) throws ContributionWriteException, XMLStreamException { + + // Delegate to the processor associated with the model type + if (model != null) { + StAXArtifactProcessor processor = processors.getProcessor(model.getClass()); + if (processor != null) { + processor.write(model, outputSource); + } else { + if (logger.isLoggable(Level.WARNING)) { + logger.warning("No StAX processor is configured to handle " + model.getClass()); + } + warning("NoStaxProcessor", processors, model.getClass()); + StAXArtifactProcessor anyElementProcessor = processors.getProcessor(ANY_ELEMENT); + if(anyElementProcessor != null) { + anyElementProcessor.write(model, outputSource); + } + } + } + } + + @SuppressWarnings("unchecked") + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + + // Delegate to the processor associated with the model type + if (model != null) { + StAXArtifactProcessor processor = processors.getProcessor(model.getClass()); + if (processor != null) { + processor.resolve(model, resolver); + } + } + } + + /** + * Read a model from an InputStream. + * @param is The artifact InputStream + * @param type Model type + * @return The model + * @throws ContributionReadException + */ + public <M> M read(InputStream is, Class<M> type) throws ContributionReadException { + try { + XMLStreamReader reader; + try { + reader = inputFactory.createXMLStreamReader(is); + try { + reader.nextTag(); + QName name = reader.getName(); + Object mo = read(reader); + if (type.isInstance(mo)) { + return type.cast(mo); + } else { + error("UnrecognizedElementException", reader, name); + UnrecognizedElementException e = new UnrecognizedElementException(name); + throw e; + } + } catch (ContributionReadException e) { + Location location = reader.getLocation(); + e.setLine(location.getLineNumber()); + e.setColumn(location.getColumnNumber()); + error("ContributionReadException", reader, e); + throw e; + } finally { + try { + reader.close(); + } catch (XMLStreamException e) { + // ignore + } + } + } finally { + try { + is.close(); + } catch (IOException e) { + // ignore + } + } + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, ce); + throw ce; + } + } + + /** + * Write a model to an OutputStream. + * @param model + * @param os + * @throws ContributionWriteException + */ + public void write(Object model, OutputStream os) throws ContributionWriteException { + try { + XMLStreamWriter writer = outputFactory.createXMLStreamWriter(os); + write(model, writer); + writer.flush(); + writer.close(); + } catch (XMLStreamException e) { + ContributionWriteException cw = new ContributionWriteException(e); + error("ContributionWriteException", outputFactory, cw); + throw cw; + } + } + + public QName getArtifactType() { + return null; + } + + public Class<Object> getModelType() { + return null; + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleStAXAttributeProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleStAXAttributeProcessor.java new file mode 100644 index 0000000000..f2ee8bc786 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleStAXAttributeProcessor.java @@ -0,0 +1,247 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.io.InputStream; +import java.io.OutputStream; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.Constants; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + +/** + * Implementation of an extensible StAX attribute processor. + * + * Takes a StAXAttributeProcessorExtensionPoint and delegates to the proper + * StAXAttributeProcessor by attribute QName + * + * @version $Rev$ $Date$ + */ +public class ExtensibleStAXAttributeProcessor + implements StAXAttributeProcessor<Object> { + + private static final Logger logger = Logger.getLogger(ExtensibleStAXAttributeProcessor.class.getName()); + + private static final QName ANY_ATTRIBUTE = new QName(Constants.XMLSCHEMA_NS, "anyAttribute"); + + private XMLInputFactory inputFactory; + private XMLOutputFactory outputFactory; + private StAXAttributeProcessorExtensionPoint processors; + private Monitor monitor; + + /** + * Constructs a new ExtensibleStAXArtifactProcessor. + * @param processors + * @param inputFactory + * @param outputFactory + */ + public ExtensibleStAXAttributeProcessor(StAXAttributeProcessorExtensionPoint processors, + XMLInputFactory inputFactory, + XMLOutputFactory outputFactory, + Monitor monitor) { + super(); + this.processors = processors; + this.inputFactory = inputFactory; + this.outputFactory = outputFactory; + if (this.outputFactory != null) { + this.outputFactory.setProperty("javax.xml.stream.isRepairingNamespaces", Boolean.TRUE); + } + this.monitor = monitor; + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void warning(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + + public Object read(QName attributeName, XMLStreamReader source) throws ContributionReadException, XMLStreamException { + + // Delegate to the processor associated with the attribute QName + int event = source.getEventType(); + if (event == XMLStreamConstants.START_DOCUMENT) { + source.nextTag(); + } + + StAXAttributeProcessor<?> processor = null; + + //lookup for registered attribute processors + processor = (StAXAttributeProcessor<?>)processors.getProcessor(attributeName); + if (processor == null) { + Location location = source.getLocation(); + if (logger.isLoggable(Level.WARNING)) { + logger.warning("Attribute " + attributeName + " cannot be processed. (" + location + ")"); + } + warning("AttributeCannotBeProcessed", processors, attributeName, location); + } else { + return processor.read(attributeName, source); + } + + + //handle extension attributes without processors + processor = (StAXAttributeProcessor<?>)processors.getProcessor(ANY_ATTRIBUTE); + if (processor == null) { + Location location = source.getLocation(); + if (logger.isLoggable(Level.WARNING)) { + logger.warning("Could not find Default Attribute processor !"); + } + warning("DefaultAttributeProcessorNotAvailable", processors, ANY_ATTRIBUTE, location); + } + + return processor == null ? null : processor.read(attributeName, source); + } + + @SuppressWarnings("unchecked") + public void write(Object model, XMLStreamWriter outputSource) throws ContributionWriteException, XMLStreamException { + + if(model == null) { + return; + } + + // Delegate to the processor associated with the model type + StAXAttributeProcessor processor = processors.getProcessor(model.getClass()); + if(processor == null) { + if (logger.isLoggable(Level.WARNING)) { + logger.warning("No StAX processor is configured to handle " + model.getClass()); + } + warning("NoStaxProcessor", processors, model.getClass()); + } else { + processor.write(model, outputSource); + return; + } + + //handle extension attributes without processors + processor = (StAXAttributeProcessor<?>)processors.getProcessor(ANY_ATTRIBUTE); + if(processor == null) { + if (logger.isLoggable(Level.WARNING)) { + logger.warning("No Default StAX processor is configured to handle " + model.getClass()); + } + warning("NoDefaultStaxProcessor", processors, model.getClass()); + } else { + processor.write(model, outputSource); + return; + } + } + + + + @SuppressWarnings("unchecked") + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + + // Delegate to the processor associated with the model type + if (model != null) { + StAXAttributeProcessor processor = processors.getProcessor(model.getClass()); + if (processor != null) { + processor.resolve(model, resolver); + } + } + } + + /** + * Read a model from an InputStream. + * @param is The artifact InputStream + * @param type Model type + * @return The model + * @throws ContributionReadException + */ + public <M> M read(InputStream is, Class<M> type) throws ContributionReadException { + return null; + } + + /** + * Write a model to an OutputStream. + * @param model + * @param os + * @throws ContributionWriteException + */ + public void write(Object model, OutputStream os) throws ContributionWriteException { + try { + XMLStreamWriter writer = outputFactory.createXMLStreamWriter(os); + write(model, writer); + writer.flush(); + writer.close(); + } catch (XMLStreamException e) { + ContributionWriteException cw = new ContributionWriteException(e); + error("ContributionWriteException", outputFactory, cw); + throw cw; + } + } + + public QName getArtifactType() { + return null; + } + + public Class<Object> getModelType() { + return null; + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleURLArtifactProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleURLArtifactProcessor.java new file mode 100644 index 0000000000..8427098035 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleURLArtifactProcessor.java @@ -0,0 +1,143 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.net.URI; +import java.net.URL; + +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.UnrecognizedElementException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + +/** + * Implementation of an extensible URL artifact processor. + * + * Takes a URLArtifactProcessorExtensionPoint and delegates to the proper URLArtifactProcessor + * by either fileName or fileExtention + * + * @version $Rev$ $Date$ + */ +public class ExtensibleURLArtifactProcessor + implements URLArtifactProcessor<Object> { + + private URLArtifactProcessorExtensionPoint processors; + private Monitor monitor; + + /** + * Constructs a new ExtensibleURLArtifactProcessor. + * + * @param processors + */ + public ExtensibleURLArtifactProcessor(URLArtifactProcessorExtensionPoint processors, Monitor monitor) { + this.processors = processors; + this.monitor = monitor; + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + @SuppressWarnings("unchecked") + public Object read(URL contributionURL, URI sourceURI, URL sourceURL) throws ContributionReadException { + URLArtifactProcessor<Object> processor = null; + + // Delegate to the processor associated with file extension + String fileName = getFileName(sourceURL); + + //try to retrieve a processor for the specific filename + processor = (URLArtifactProcessor<Object>)processors.getProcessor(fileName); + + if (processor == null) { + //try to find my file type (extension) + String extension = sourceURL.getPath(); + + int extensionStart = extension.lastIndexOf('.'); + //handle files without extension (e.g NOTICE) + if (extensionStart > 0) { + extension = extension.substring(extensionStart); + processor = (URLArtifactProcessor<Object>)processors.getProcessor(extension); + } + } + + if (processor == null) { + return null; + } + return processor.read(contributionURL, sourceURI, sourceURL); + } + + @SuppressWarnings("unchecked") + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + + // Delegate to the processor associated with the model type + if (model != null) { + URLArtifactProcessor processor = processors.getProcessor(model.getClass()); + if (processor != null) { + processor.resolve(model, resolver); + } + } + } + + public <M> M read(URL contributionURL, URI artifactURI, URL artifactUrl, Class<M> type) + throws ContributionReadException { + Object mo = read(contributionURL, artifactURI, artifactUrl); + if (type.isInstance(mo)) { + return type.cast(mo); + } else { + UnrecognizedElementException e = new UnrecognizedElementException(null); + e.setResourceURI(artifactURI.toString()); + error("UnrecognizedElementException", processors, artifactURI.toString()); + throw e; + } + } + + public String getArtifactType() { + return null; + } + + public Class<Object> getModelType() { + return null; + } + + /** + * Returns the file name from a URL. + * @param url + * @return + */ + private static String getFileName(URL url){ + String fileName = url.getPath(); + int pos = fileName.lastIndexOf("/"); + + return fileName.substring(pos +1); + } +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/PackageProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/PackageProcessor.java new file mode 100644 index 0000000000..f17f31edb1 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/PackageProcessor.java @@ -0,0 +1,70 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.util.List; + +import org.apache.tuscany.sca.contribution.service.ContributionException; + +/** + * Interface for contribution package processors + * + * Package processors understand the format of the contribution and how to get the + * artifacts in the contribution. + * + * @version $Rev$ $Date$ + */ +public interface PackageProcessor { + + /** + * Returns the type of package supported by this package processor. + * + * @return the package type + */ + String getPackageType(); + + /** + * Returns a list of artifacts in the contribution. + * + * @param packageSourceURL Contribution package location URL + * @param inputStream Optional content of the package + * @return List of artifact URIs + * @throws ContributionException + * @throws IOException + */ + List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException, IOException; + + /** + * Return the URL for an artifact in the package. + * + * This is needed for archives such as jar files that have specific URL schemes + * for the artifacts they contain. + * + * @param packageSourceURL Contribution package location URL + * @param artifact The relative URI for the artifact + * @return The artifact URL + */ + URL getArtifactURL(URL packageSourceURL, URI artifact) throws MalformedURLException; + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/PackageProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/PackageProcessorExtensionPoint.java new file mode 100644 index 0000000000..ed99239b19 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/PackageProcessorExtensionPoint.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +/** + * An extension point for package processors + * + * @version $Rev$ $Date$ + */ +public interface PackageProcessorExtensionPoint { + + /** + * Register a PackageProcessor using the package type as the key. + * + * @param processor The package processor + */ + void addPackageProcessor(PackageProcessor processor); + + /** + * Unregister a PackageProcessor. + * + * @param processor The package processor + */ + void removePackageProcessor(PackageProcessor processor); + + /** + * Returns the PackageProcessor for the given package type. + * + * @param packageType The package type + * @return The package processor + */ + PackageProcessor getPackageProcessor(String packageType); + +}
\ No newline at end of file diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXArtifactProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXArtifactProcessor.java new file mode 100644 index 0000000000..fcf9347564 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXArtifactProcessor.java @@ -0,0 +1,61 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + +/** + * An artifact processor that can read models from a StAX XMLStreamReader. + * + * @version $Rev$ $Date$ + */ +public interface StAXArtifactProcessor<M> extends ArtifactProcessor<M> { + + /** + * Reads a model from an XMLStreamReader. + * + * @param reader The XMLStreamReader + * @return A model representation of the input. + */ + M read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException; + + /** + * Writes a model to an XMLStreamWriter. + * + * @param model A model representing the source + * @param writer The XML stream writer + * @throws ContributionWriteException + * @throws XMLStreamException + */ + void write(M model, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException; + + /** + * Returns the type of artifact handled by this artifact processor. + * + * @return The type of artifact handled by this artifact processor + */ + QName getArtifactType(); +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXArtifactProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXArtifactProcessorExtensionPoint.java new file mode 100644 index 0000000000..9700e2bc60 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXArtifactProcessorExtensionPoint.java @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +/** + * An extension point for StAX artifact processors. + * + * @version $Rev$ $Date$ + */ +public interface StAXArtifactProcessorExtensionPoint extends + ArtifactProcessorExtensionPoint<StAXArtifactProcessor> { + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXAttributeProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXAttributeProcessor.java new file mode 100644 index 0000000000..e8edb743a4 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXAttributeProcessor.java @@ -0,0 +1,63 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + + +/** + * An artifact processor that can read attributes from a StAX XMLStreamReader. + * + * @version $Rev$ $Date$ + */ +public interface StAXAttributeProcessor<M> extends ArtifactProcessor<M>{ + + /** + * Reads a model from an XMLStreamReader. + * + * @param reader The XMLStreamReader + * @return A model representation of the input. + */ + M read(QName attributeName, XMLStreamReader reader) throws ContributionReadException, XMLStreamException; + + /** + * Writes a model to an XMLStreamWriter. + * + * @param model A model representing the source + * @param writer The XML stream writer + * @throws ContributionWriteException + * @throws XMLStreamException + */ + void write(M model, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException; + + /** + * Returns the type of artifact handled by this artifact processor. + * + * @return The type of artifact handled by this artifact processor + */ + QName getArtifactType(); + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXAttributeProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXAttributeProcessorExtensionPoint.java new file mode 100644 index 0000000000..ebad243c1c --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/StAXAttributeProcessorExtensionPoint.java @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +/** + * An extension point for StAX artifact processors. + * + * @version $Rev$ $Date$ + */ +public interface StAXAttributeProcessorExtensionPoint extends + ArtifactProcessorExtensionPoint<StAXAttributeProcessor> { + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/TuscanyNamespaceContext.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/TuscanyNamespaceContext.java new file mode 100644 index 0000000000..2adebb9f33 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/TuscanyNamespaceContext.java @@ -0,0 +1,111 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.contribution.processor;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Stack;
+
+import javax.xml.namespace.NamespaceContext;
+
+public class TuscanyNamespaceContext implements NamespaceContext {
+
+ private Stack<List<String>[]> context = null;
+
+ public TuscanyNamespaceContext(Stack<List<String>[]> context) {
+ this.context = context;
+ }
+
+ public String getNamespaceURI(String prefix) {
+ if (prefix == null) {
+ throw new IllegalArgumentException();
+ }
+ return (String)getResult("getNSUri", prefix);
+ }
+
+ public String getPrefix(String namespaceURI) {
+ if (namespaceURI == null) {
+ throw new IllegalArgumentException();
+ }
+ return (String)getResult("getPrefix", namespaceURI);
+ }
+
+ @SuppressWarnings("unchecked")
+ public Iterator<String> getPrefixes(String namespaceURI) {
+ if (namespaceURI == null) {
+ throw new IllegalArgumentException();
+ }
+
+ Iterator<String> iterator = (Iterator<String>)getResult("getPrefixes", namespaceURI);
+ return iterator;
+ }
+
+ /*
+ * Generic method to Iterate through the Stack and return required result(s)
+ */
+ private Object getResult(String operation, String arg) {
+
+ List<String>[] contextList = null;
+ Iterator<String> prefItr = null;
+ Iterator<String> uriItr = null;
+
+ List<String> list = new ArrayList<String>();
+
+ String toCompare = null;
+
+ String tempPrefix = null;
+ String tempUri = null;
+
+ for (int i = context.size() - 1; i >= 0; i--) {
+ contextList = context.get(i);
+ prefItr = contextList[0].iterator();
+ uriItr = contextList[1].iterator();
+ while (uriItr.hasNext()) {
+ tempPrefix = prefItr.next();
+ tempUri = uriItr.next();
+ if (operation.equalsIgnoreCase("getNSUri")) {
+ toCompare = tempPrefix;
+ } else if (operation.equalsIgnoreCase("getPrefix")) {
+ toCompare = tempUri;
+ } else if (operation.equalsIgnoreCase("getPrefixes")) {
+ toCompare = tempUri;
+ }
+ if (toCompare != null && arg.equalsIgnoreCase(toCompare)) {
+ if (operation.equalsIgnoreCase("getNSUri")) {
+ return tempUri;
+ } else if (operation.equalsIgnoreCase("getPrefix")) {
+ return tempPrefix;
+ } else if (operation.equalsIgnoreCase("getPrefixes")) {
+ list.add(tempPrefix);
+ }
+
+ }
+ }
+ }
+
+ if (operation.equalsIgnoreCase("getPrefixes")) {
+ return Collections.unmodifiableList(list).iterator();
+ }
+
+ return null;
+ }
+
+} //end of Class
diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/TuscanyXMLStreamReader.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/TuscanyXMLStreamReader.java new file mode 100644 index 0000000000..e1b218d9f4 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/TuscanyXMLStreamReader.java @@ -0,0 +1,131 @@ +package org.apache.tuscany.sca.contribution.processor; + +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +import java.util.ArrayList; +import java.util.List; +import java.util.Stack; + +import javax.xml.XMLConstants; +import javax.xml.namespace.NamespaceContext; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.util.StreamReaderDelegate; + +/* + * Custom implementaion of the XMLStreamReader to keep track of the namespace context for each element + */ +public class TuscanyXMLStreamReader extends StreamReaderDelegate implements XMLStreamReader { + + Stack<List<String>[]> context = new Stack<List<String>[]>(); + + String characterEncodingScheme; + List<String>[] contextList; + List<String> prefixList; + List<String> uriList; + + public TuscanyXMLStreamReader(XMLStreamReader reader) { + super(reader); + this.saveCharacterEncodingScheme(); + } + + public void pushContext() throws XMLStreamException { + contextList = new List[2]; + prefixList = new ArrayList<String>(); + uriList = new ArrayList<String>(); + int namespaceCount = this.getNamespaceCount(); + for (int i = 0; i < namespaceCount; i++) { + prefixList.add(checkString(this.getNamespacePrefix(i))); + uriList.add(this.getNamespaceURI(i)); + } + contextList[0] = prefixList; + contextList[1] = uriList; + context.push(contextList); + } + + private String checkString(String namespacePrefix) { + if (namespacePrefix == null) { + return XMLConstants.DEFAULT_NS_PREFIX; + } else { + return namespacePrefix; + } + } + + public void popContext() throws XMLStreamException { + context.pop(); + } + + public void saveCharacterEncodingScheme() { + this.characterEncodingScheme = super.getCharacterEncodingScheme(); + } + + // A flag to indicate if the next() is called from nextTag() + private boolean withinNextTagMethod = false; + + /* + * Overriding the next() method to perform PUSH and POP operations + * for the NamespaceContext for the current element + */ + @Override + public int next() throws XMLStreamException { + // POP the namespaces if the reader leaves the end element + if (!withinNextTagMethod && this.getEventType() == END_ELEMENT) { + popContext(); + } + + // get the next event + int nextEvent = super.next(); + + // PUSH the namespaces onto the stack as the reader enters the start element + if (!withinNextTagMethod && nextEvent == START_ELEMENT) { + pushContext(); + } + return nextEvent; + } + + @Override + public int nextTag() throws XMLStreamException { + withinNextTagMethod = true; + // POP the namespaces out of the stack if the reader leaves the end element + if (this.getEventType() == END_ELEMENT) { + popContext(); + } + + // REVIEW: what if nextTag() calls next()? + int event = super.nextTag(); + + // PUSH the namespaces onto the stack as the reader enters the start element + if (event == START_ELEMENT) { + pushContext(); + } + withinNextTagMethod = false; + return event; + } + + @Override + public NamespaceContext getNamespaceContext() { + return new TuscanyNamespaceContext((Stack<List<String>[]>)context.clone()); + } + + + @Override + public String getCharacterEncodingScheme() { + return characterEncodingScheme; + } +}
\ No newline at end of file diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/URLArtifactProcessor.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/URLArtifactProcessor.java new file mode 100644 index 0000000000..2ecddf5465 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/URLArtifactProcessor.java @@ -0,0 +1,51 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.net.URI; +import java.net.URL; + +import org.apache.tuscany.sca.contribution.service.ContributionReadException; + +/** + * An artifact processor that can read models from a URL. + * + * @version $Rev$ $Date$ + */ +public interface URLArtifactProcessor<M> extends ArtifactProcessor<M> { + + /** + * Reads a model from a URL. + * + * @param contributionURL Contribution location URL + * @param artifactURI Artifact URI + * @param artifactURL Artifact location URL + * @return A model representation of the input. + */ + M read(URL contributionURL, URI artifactURI, URL artifactURL) throws ContributionReadException; + + /** + * Returns the type of artifact handled by this artifact processor. + * + * @return The type of artifact handled by this artifact processor + */ + String getArtifactType(); + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/URLArtifactProcessorExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/URLArtifactProcessorExtensionPoint.java new file mode 100644 index 0000000000..7714586951 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/URLArtifactProcessorExtensionPoint.java @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.contribution.processor; + +/** + * An extension point for URL artifact processors. + * + * @version $Rev$ $Date$ + */ +public interface URLArtifactProcessorExtensionPoint extends + ArtifactProcessorExtensionPoint<URLArtifactProcessor> { + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidatingXMLInputFactory.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidatingXMLInputFactory.java new file mode 100644 index 0000000000..da249a09e4 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidatingXMLInputFactory.java @@ -0,0 +1,42 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import javax.xml.stream.XMLInputFactory; + +/** + * Base marker class for validating XML input factories. + * + * @version $Rev$ $Date$ + */ +public abstract class ValidatingXMLInputFactory extends XMLInputFactory { + + /** + * Create a new default validating XML input factory. + * @return + */ + public static ValidatingXMLInputFactory newInstance() { + return new DefaultValidatingXMLInputFactory( + XMLInputFactory.newInstance(), + new DefaultValidationSchemaExtensionPoint(), + null); + } + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidatingXMLStreamReader.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidatingXMLStreamReader.java new file mode 100644 index 0000000000..9b4a4938d1 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidatingXMLStreamReader.java @@ -0,0 +1,396 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.util.logging.Logger; + +import javax.xml.namespace.NamespaceContext; +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.validation.Schema; +import javax.xml.validation.ValidatorHandler; + +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; +import org.xml.sax.Attributes; +import org.xml.sax.ErrorHandler; +import org.xml.sax.Locator; +import org.xml.sax.SAXException; +import org.xml.sax.SAXParseException; +import org.xml.sax.helpers.AttributesImpl; + +/** + * + * A validating XMLStreamReader that reports XMLSchema validation errors. + * + * @version $Rev$ $Date$ + */ +class ValidatingXMLStreamReader extends TuscanyXMLStreamReader implements XMLStreamReader { + + private static final Logger logger = Logger.getLogger(ValidatingXMLStreamReader.class.getName()); + + private int level; + private ValidatorHandler handler; + private final Monitor monitor; + + /** + * Constructs a new ValidatingXMLStreamReader. + * + * @param reader + * @param schema + * @throws XMLStreamException + */ + ValidatingXMLStreamReader(XMLStreamReader reader, Schema schema, Monitor monitor) throws XMLStreamException { + super(reader); + this.monitor = monitor; + if (schema == null) { + return; + } + + handler = schema.newValidatorHandler(); + handler.setDocumentLocator(new LocatorAdapter()); + try { + handler.setFeature("http://xml.org/sax/features/namespace-prefixes", true); + } catch (SAXException e) { + XMLStreamException xse = new XMLStreamException(e); + error("XMLStreamException", handler, xse); + throw xse; + } + + // These validation errors are just warnings for us as we want to support + // running from an XML document with XSD validation errors, as long as we can + // get the metadata we need from the document + handler.setErrorHandler(new ErrorHandler() { + private String getMessage(SAXParseException e) { + return "XMLSchema validation problem in: " + e.getSystemId() + ", line: " + e.getLineNumber() + ", column: " + e.getColumnNumber() + "\n" + e.getMessage(); + } + + public void error(SAXParseException exception) throws SAXException { + if (ValidatingXMLStreamReader.this.monitor == null) + logger.warning(getMessage(exception)); + else + ValidatingXMLStreamReader.this.error("SchemaError", ValidatingXMLStreamReader.this.getClass(), exception.getSystemId(), + exception.getLineNumber(), exception.getColumnNumber(), exception.getMessage()); + } + + public void fatalError(SAXParseException exception) throws SAXException { + if (ValidatingXMLStreamReader.this.monitor == null) + logger.warning(getMessage(exception)); + else + ValidatingXMLStreamReader.this.error("SchemaFatalError", ValidatingXMLStreamReader.this.getClass(), exception.getSystemId(), + exception.getLineNumber(), exception.getColumnNumber(), exception.getMessage()); + } + + public void warning(SAXParseException exception) throws SAXException { + if (ValidatingXMLStreamReader.this.monitor == null) + logger.warning(getMessage(exception)); + else + ValidatingXMLStreamReader.this.warning("SchemaWarning", ValidatingXMLStreamReader.this.getClass(), exception.getSystemId(), + exception.getLineNumber(), exception.getColumnNumber(), exception.getMessage()); + } + }); + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void warning(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + @Override + public int next() throws XMLStreamException { + if (handler == null) { + return super.next(); + } + + int event = super.next(); + try { + switch (event) { + case XMLStreamConstants.START_DOCUMENT: + level++; + handler.startDocument(); + break; + case XMLStreamConstants.START_ELEMENT: + level++; + handleStartElement(); + break; + case XMLStreamConstants.PROCESSING_INSTRUCTION: + handler.processingInstruction(super.getPITarget(), super.getPIData()); + break; + case XMLStreamConstants.CHARACTERS: + case XMLStreamConstants.CDATA: + case XMLStreamConstants.SPACE: + case XMLStreamConstants.ENTITY_REFERENCE: + handler.characters(super.getTextCharacters(), super.getTextStart(), super.getTextLength()); + break; + case XMLStreamConstants.END_ELEMENT: + handleEndElement(); + level--; + break; + case XMLStreamConstants.END_DOCUMENT: + handler.endDocument(); + break; + } + } catch (SAXException e) { + XMLStreamException xse = new XMLStreamException(e.getMessage(), e); + error("XMLStreamException", handler, xse); + throw xse; + } + return event; + } + + @Override + public int nextTag() throws XMLStreamException { + if (handler == null) { + return super.nextTag(); + } + + for (;;) { + int event = super.getEventType(); + try { + switch (event) { + case XMLStreamConstants.START_DOCUMENT: + level++; + handler.startDocument(); + break; + case XMLStreamConstants.START_ELEMENT: + level++; + handleStartElement(); + pushContext(); + return event; + case XMLStreamConstants.PROCESSING_INSTRUCTION: + handler.processingInstruction(super.getPITarget(), super.getPIData()); + break; + case XMLStreamConstants.CHARACTERS: + case XMLStreamConstants.CDATA: + case XMLStreamConstants.SPACE: + case XMLStreamConstants.ENTITY_REFERENCE: + handler.characters(super.getTextCharacters(), super.getTextStart(), super.getTextLength()); + break; + case XMLStreamConstants.END_ELEMENT: + handleEndElement(); + level--; + popContext(); + return event; + case XMLStreamConstants.END_DOCUMENT: + handler.endDocument(); + return event; + } + } catch (SAXException e) { + XMLStreamException xse = new XMLStreamException(e); + error("XMLStreamException", handler, xse); + throw xse; + } + super.next(); + } + } + + @Override + public String getElementText() throws XMLStreamException { + if (handler == null) { + return super.getElementText(); + } + + if (getEventType() != XMLStreamConstants.START_ELEMENT) { + return super.getElementText(); + } + StringBuffer text = new StringBuffer(); + + for (;;) { + int event = next(); + switch (event) { + case XMLStreamConstants.END_ELEMENT: + return text.toString(); + + case XMLStreamConstants.COMMENT: + case XMLStreamConstants.PROCESSING_INSTRUCTION: + continue; + + case CHARACTERS: + case CDATA: + case SPACE: + case ENTITY_REFERENCE: + text.append(getText()); + break; + + default: + break; + } + } + } + + @Override + public NamespaceContext getNamespaceContext(){ + return super.getNamespaceContext(); + } + + /** + * Handle a start element event. + * + * @throws SAXException + */ + private void handleStartElement() throws SAXException { + + // send startPrefixMapping events immediately before startElement event + int nsCount = super.getNamespaceCount(); + for (int i = 0; i < nsCount; i++) { + String prefix = super.getNamespacePrefix(i); + if (prefix == null) { // true for default namespace + prefix = ""; + } + handler.startPrefixMapping(prefix, super.getNamespaceURI(i)); + } + + // fire startElement + QName qname = super.getName(); + String prefix = qname.getPrefix(); + String rawname; + if (prefix == null || prefix.length() == 0) { + rawname = qname.getLocalPart(); + } else { + rawname = prefix + ':' + qname.getLocalPart(); + } + Attributes attrs = getAttributes(); + handler.startElement(qname.getNamespaceURI(), qname.getLocalPart(), rawname, attrs); + } + + /** + * Handle an endElement event. + * + * @throws SAXException + */ + private void handleEndElement() throws SAXException { + + // fire endElement + QName qname = super.getName(); + handler.endElement(qname.getNamespaceURI(), qname.getLocalPart(), qname.toString()); + + // send endPrefixMapping events immediately after endElement event + // we send them in the opposite order to that returned but this is not + // actually required by SAX + int nsCount = super.getNamespaceCount(); + for (int i = nsCount - 1; i >= 0; i--) { + String prefix = super.getNamespacePrefix(i); + if (prefix == null) { // true for default namespace + prefix = ""; + } + handler.endPrefixMapping(prefix); + } + } + + /** + * Get the attributes associated with the current START_ELEMENT event. + * + * @return the StAX attributes converted to org.xml.sax.Attributes + */ + private Attributes getAttributes() { + AttributesImpl attrs = new AttributesImpl(); + + // add namespace declarations + for (int i = 0; i < super.getNamespaceCount(); i++) { + String prefix = super.getNamespacePrefix(i); + String uri = super.getNamespaceURI(i); + if (prefix == null) { + attrs.addAttribute("", "", "xmlns", "CDATA", uri); + } else { + attrs.addAttribute("", "", "xmlns:" + prefix, "CDATA", uri); + } + } + + // Regular attributes + for (int i = 0; i < super.getAttributeCount(); i++) { + String uri = super.getAttributeNamespace(i); + if (uri == null) { + uri = ""; + } + String localName = super.getAttributeLocalName(i); + String prefix = super.getAttributePrefix(i); + String qname; + if (prefix == null || prefix.length() == 0) { + qname = localName; + } else { + qname = prefix + ':' + localName; + } + String type = super.getAttributeType(i); + String value = super.getAttributeValue(i); + + attrs.addAttribute(uri, localName, qname, type, value); + } + + return attrs; + } + + /** + * Adapter for mapping Locator information. + */ + private final class LocatorAdapter implements Locator { + + private LocatorAdapter() { + } + + public int getColumnNumber() { + Location location = getLocation(); + return location == null ? 0 : location.getColumnNumber(); + } + + public int getLineNumber() { + Location location = getLocation(); + return location == null ? 0 : location.getLineNumber(); + } + + public String getPublicId() { + Location location = getLocation(); + return location == null ? "" : location.getPublicId(); + } + + public String getSystemId() { + Location location = getLocation(); + return location == null ? "" : location.getSystemId(); + } + } + +} diff --git a/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidationSchemaExtensionPoint.java b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidationSchemaExtensionPoint.java new file mode 100644 index 0000000000..cc3bb59a5b --- /dev/null +++ b/tags/java/sca/1.5.1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ValidationSchemaExtensionPoint.java @@ -0,0 +1,52 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.contribution.processor; + +import java.util.List; + + +/** + * An extension point for XML schemas used for validation. + * + * @version $Rev$ $Date$ + */ +public interface ValidationSchemaExtensionPoint { + + /** + * Add a schema. + * + * @param uri the URI of the schema + */ + void addSchema(String uri); + + /** + * Remove a schema. + * + * @param uri the URI of the schema + */ + void removeSchema(String uri); + + /** + * Returns the list of schemas registered in the extension point. + * @return the list of schemas + */ + List<String> getSchemas(); + +} |