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Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd')
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/DefaultXSDFactory.java30
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDFactory.java36
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDefinition.java118
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDFactoryImpl.java35
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDefinitionImpl.java232
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDDocumentProcessor.java106
-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java475
7 files changed, 1032 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/DefaultXSDFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/DefaultXSDFactory.java
new file mode 100644
index 0000000000..92dce98fa1
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/DefaultXSDFactory.java
@@ -0,0 +1,30 @@
+/*
+ * 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.xsd;
+
+import org.apache.tuscany.sca.xsd.impl.XSDFactoryImpl;
+
+/**
+ * A factory for XSD definitions
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultXSDFactory extends XSDFactoryImpl implements XSDFactory {
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDFactory.java
new file mode 100644
index 0000000000..d57d462843
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDFactory.java
@@ -0,0 +1,36 @@
+/*
+ * 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.xsd;
+
+/**
+ * Factory for XSD definitions
+ *
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public interface XSDFactory {
+
+ /**
+ * Creates a new XML Schema definition.
+ *
+ * @return a new XML Schema definition
+ */
+ XSDefinition createXSDefinition();
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDefinition.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDefinition.java
new file mode 100644
index 0000000000..f7ddd25611
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/XSDefinition.java
@@ -0,0 +1,118 @@
+/*
+ * 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.xsd;
+
+import java.net.URI;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.ws.commons.schema.XmlSchema;
+import org.apache.ws.commons.schema.XmlSchemaCollection;
+import org.apache.ws.commons.schema.XmlSchemaElement;
+import org.apache.ws.commons.schema.XmlSchemaType;
+import org.w3c.dom.Document;
+
+/**
+ * Represents an XML Schema definition.
+ *
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public interface XSDefinition extends Base {
+ XmlSchemaCollection getSchemaCollection();
+
+ void setSchemaCollection(XmlSchemaCollection schemaCollection);
+
+ /**
+ * Returns the XmlSchema definition model
+ * @return the XmlSchema definition model
+ */
+ XmlSchema getSchema();
+
+ /**
+ * Sets the XmlSchema definition model
+ * @param definition the XmlSchema definition model
+ */
+ void setSchema(XmlSchema definition);
+
+ /**
+ * Returns the namespace of this XmlSchema definition.
+ * @return the namespace of this XmlSchema definition
+ */
+ String getNamespace();
+
+ /**
+ * Sets the namespace of this XmlSchema definition.
+ * @param namespace the namespace of this XmlSchema definition
+ */
+ void setNamespace(String namespace);
+
+ /**
+ * Get the location of the XSD
+ * @return
+ */
+ URI getLocation();
+
+ /**
+ * Set the location of the XSD
+ * @param uri
+ */
+ void setLocation(URI uri);
+
+ /**
+ * Get the DOM representation of the XSD
+ * @return
+ */
+ Document getDocument();
+
+ /**
+ * Set the DOM representation of the XSD
+ * @param document
+ */
+ void setDocument(Document document);
+
+ /**
+ * Get an XSD element by QName
+ * @param name The element name
+ * @return The XSD element
+ */
+ XmlSchemaElement getXmlSchemaElement(QName name);
+
+ /**
+ * Get an XSD type by QName
+ * @param name The type name
+ * @return The XSD type
+ */
+ XmlSchemaType getXmlSchemaType(QName name);
+
+ /**
+ * Get the aggregated definitions for a facade XSDefinition
+ * @return The aggregated definitions, or null if not a facade
+ */
+ List<XSDefinition> getAggregatedDefinitions();
+
+ /**
+ * Set the aggregated definitions for a facade XSDefinition
+ * @param name The aggregated definitions
+ */
+ void setAggregatedDefinitions(List<XSDefinition> definitions);
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDFactoryImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDFactoryImpl.java
new file mode 100644
index 0000000000..60ff6b6fd9
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDFactoryImpl.java
@@ -0,0 +1,35 @@
+/*
+ * 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.xsd.impl;
+
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+
+/**
+ * A factory for XSD definitions
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class XSDFactoryImpl implements XSDFactory {
+
+ public XSDefinition createXSDefinition() {
+ return new XSDefinitionImpl();
+ }
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDefinitionImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDefinitionImpl.java
new file mode 100644
index 0000000000..af8cbf12ab
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/impl/XSDefinitionImpl.java
@@ -0,0 +1,232 @@
+/*
+ * 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.xsd.impl;
+
+import java.net.URI;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.ws.commons.schema.XmlSchema;
+import org.apache.ws.commons.schema.XmlSchemaCollection;
+import org.apache.ws.commons.schema.XmlSchemaElement;
+import org.apache.ws.commons.schema.XmlSchemaImport;
+import org.apache.ws.commons.schema.XmlSchemaInclude;
+import org.apache.ws.commons.schema.XmlSchemaObject;
+import org.apache.ws.commons.schema.XmlSchemaType;
+import org.w3c.dom.Document;
+
+/**
+ * Represents a XML schema definition.
+ *
+ * @version $Rev$ $Date$
+ */
+public class XSDefinitionImpl implements XSDefinition {
+ private XmlSchemaCollection schemaCollection = new XmlSchemaCollection();
+ private XmlSchema schema;
+ private String namespace;
+ private URI location;
+ private Document document;
+ private boolean unresolved;
+ private List<XSDefinition> definitions;
+
+ public XSDefinitionImpl() {
+ }
+
+ public XmlSchema getSchema() {
+ return schema;
+ }
+
+ public void setSchema(XmlSchema definition) {
+ this.schema = definition;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean undefined) {
+ this.unresolved = undefined;
+ }
+
+ public String getNamespace() {
+ if (isUnresolved()) {
+ return namespace;
+ } else if (schema != null) {
+ return schema.getTargetNamespace();
+ } else {
+ return namespace;
+ }
+ }
+
+ public void setNamespace(String namespace) {
+ if (!isUnresolved()) {
+ throw new IllegalStateException();
+ } else {
+ this.namespace = namespace;
+ }
+ }
+
+ /**
+ * @return the location
+ */
+ public URI getLocation() {
+ return location;
+ }
+
+ /**
+ * @param location the location to set
+ */
+ public void setLocation(URI location) {
+ this.location = location;
+ }
+
+ /**
+ * @return the document
+ */
+ public Document getDocument() {
+ return document;
+ }
+
+ /**
+ * @param document the document to set
+ */
+ public void setDocument(Document document) {
+ this.document = document;
+ }
+
+ /**
+ * @return the schemaCollection
+ */
+ public XmlSchemaCollection getSchemaCollection() {
+ return schemaCollection;
+ }
+
+ /**
+ * @param schemaCollection the schemaCollection to set
+ */
+ public void setSchemaCollection(XmlSchemaCollection schemaCollection) {
+ this.schemaCollection = schemaCollection;
+ }
+
+ /**
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((location == null) ? 0 : location.hashCode());
+ result = prime * result + ((namespace == null) ? 0 : namespace.hashCode());
+ return result;
+ }
+
+ /**
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (!(obj instanceof XSDefinitionImpl))
+ return false;
+ final XSDefinitionImpl other = (XSDefinitionImpl)obj;
+ if (location == null) {
+ if (other.location != null)
+ return false;
+ } else if (!location.equals(other.location))
+ return false;
+ if (namespace == null) {
+ if (other.namespace != null)
+ return false;
+ } else if (!namespace.equals(other.namespace))
+ return false;
+ return true;
+ }
+
+ private static <T extends XmlSchemaObject> T getXmlSchemaObject(XmlSchema schema, QName name, Class<T> type) {
+ if (schema != null) {
+ XmlSchemaObject object = null;
+ if (type == XmlSchemaElement.class) {
+ object = schema.getElementByName(name);
+ } else if (type == XmlSchemaType.class) {
+ object = schema.getTypeByName(name);
+ }
+ if (object != null) {
+ return type.cast(object);
+ }
+ for (Iterator<?> i = schema.getIncludes().getIterator(); i.hasNext();) {
+ XmlSchemaObject obj = (XmlSchemaObject)i.next();
+ XmlSchema ext = null;
+ if (obj instanceof XmlSchemaInclude) {
+ ext = ((XmlSchemaInclude)obj).getSchema();
+ }
+ if (obj instanceof XmlSchemaImport) {
+ ext = ((XmlSchemaImport)obj).getSchema();
+ }
+ object = getXmlSchemaObject(ext, name, type);
+ if (object != null) {
+ return type.cast(object);
+ }
+ }
+ }
+ return null;
+ }
+
+ public XmlSchemaElement getXmlSchemaElement(QName name) {
+ if (schema != null) {
+ XmlSchemaElement element = getXmlSchemaObject(schema, name, XmlSchemaElement.class);
+ if (element != null) {
+ return element;
+ }
+ }
+
+ if (schemaCollection != null) {
+ return schemaCollection.getElementByQName(name);
+ }
+ return null;
+ }
+
+ public XmlSchemaType getXmlSchemaType(QName name) {
+ if (schema != null) {
+ XmlSchemaType type = getXmlSchemaObject(schema, name, XmlSchemaType.class);
+ if (type != null) {
+ return type;
+ }
+ }
+ if (schemaCollection != null) {
+ return schemaCollection.getTypeByQName(name);
+ }
+ return null;
+ }
+
+ public List<XSDefinition> getAggregatedDefinitions() {
+ return definitions;
+ }
+
+ public void setAggregatedDefinitions(List<XSDefinition> definitions) {
+ this.definitions = definitions;
+ }
+
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDDocumentProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDDocumentProcessor.java
new file mode 100644
index 0000000000..1166567bcc
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDDocumentProcessor.java
@@ -0,0 +1,106 @@
+/*
+ * 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.xsd.xml;
+
+import java.net.URI;
+import java.net.URL;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+
+import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+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.xsd.XSDFactory;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+
+/**
+ * An ArtifactProcessor for XSD documents.
+ *
+ * @version $Rev$ $Date$
+ */
+public class XSDDocumentProcessor implements URLArtifactProcessor<XSDefinition> {
+ private StAXHelper helper;
+ private XSDFactory factory;
+ private XMLInputFactory inputFactory;
+
+
+ public XSDDocumentProcessor(ExtensionPointRegistry registry, StAXArtifactProcessor processor) {
+ FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+ this.factory = modelFactories.getFactory(XSDFactory.class);
+ this.inputFactory = modelFactories.getFactory(XMLInputFactory.class);
+ this.helper = StAXHelper.getInstance(registry);
+ }
+
+ /**
+ * Report a exception.
+ *
+ * @param problems
+ * @param message
+ * @param model
+ */
+ private void error(Monitor monitor, String message, Object model, Exception ex) {
+ if (monitor != null) {
+ Problem problem = monitor.createProblem(this.getClass().getName(), "xsd-xml-validation-messages", Severity.ERROR, model, message, ex);
+ monitor.problem(problem);
+ }
+ }
+
+ public XSDefinition read(URL contributionURL, URI artifactURI, URL artifactURL, ProcessorContext context) throws ContributionReadException {
+ try {
+ return indexRead(artifactURL);
+ } catch (Exception e) {
+ ContributionReadException ce = new ContributionReadException(e);
+ error(context.getMonitor(), "ContributionReadException", artifactURL, ce);
+ throw ce;
+ }
+ }
+
+ public void resolve(XSDefinition model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
+ }
+
+ public String getArtifactType() {
+ return ".xsd";
+ }
+
+ public Class<XSDefinition> getModelType() {
+ return XSDefinition.class;
+ }
+
+ public static final QName XSD = new QName("http://www.w3.org/2001/XMLSchema", "schema");
+
+ protected XSDefinition indexRead(URL doc) throws Exception {
+ XSDefinition xsd = factory.createXSDefinition();
+ xsd.setUnresolved(true);
+ xsd.setNamespace(helper.readAttribute(doc, XSD, "targetNamespace"));
+ xsd.setLocation(doc.toURI());
+ xsd.setUnresolved(false);
+ return xsd;
+ }
+}
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java
new file mode 100644
index 0000000000..244df9f51b
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java
@@ -0,0 +1,475 @@
+/*
+ * 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.xsd.xml;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.xsd.Constants;
+import org.apache.tuscany.sca.common.xml.XMLDocumentHelper;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.DefaultImport;
+import org.apache.tuscany.sca.contribution.Import;
+import org.apache.tuscany.sca.contribution.namespace.NamespaceImport;
+import org.apache.tuscany.sca.contribution.processor.ContributionRuntimeException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.xsd.DefaultXSDFactory;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.tuscany.sca.xsd.impl.XSDefinitionImpl;
+import org.apache.ws.commons.schema.XmlSchema;
+import org.apache.ws.commons.schema.XmlSchemaCollection;
+import org.apache.ws.commons.schema.XmlSchemaInclude;
+import org.apache.ws.commons.schema.resolver.URIResolver;
+import org.xml.sax.InputSource;
+
+/**
+ * A Model Resolver for XSD models.
+ *
+ * @version $Rev$ $Date$
+ */
+public class XSDModelResolver implements ModelResolver {
+ private static final String AGGREGATED_XSD = "http://tuscany.apache.org/aggregated.xsd";
+ private XSDFactory factory;
+ private Contribution contribution;
+ private Map<String, List<XSDefinition>> map = new HashMap<String, List<XSDefinition>>();
+ private XmlSchemaCollection schemaCollection;
+
+ private static final byte[] schemaCollectionReadLock = new byte[0];
+
+ public XSDModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) {
+ this.contribution = contribution;
+ this.schemaCollection = new XmlSchemaCollection();
+ this.factory = new DefaultXSDFactory();
+ }
+
+ public void addModel(Object resolved, ProcessorContext context) {
+ XSDefinition definition = (XSDefinition)resolved;
+ List<XSDefinition> list = map.get(definition.getNamespace());
+ if (list == null) {
+ list = new ArrayList<XSDefinition>();
+ map.put(definition.getNamespace(), list);
+ }
+ list.add(definition);
+ }
+
+ public Object removeModel(Object resolved, ProcessorContext context) {
+ XSDefinition definition = (XSDefinition)resolved;
+ List<XSDefinition> list = map.get(definition.getNamespace());
+ if (list == null) {
+ return null;
+ } else {
+ return list.remove(definition);
+ }
+ }
+
+ public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) {
+ schemaCollection.setSchemaResolver(new URIResolverImpl(contribution, context));
+ XSDefinition definition = (XSDefinition)unresolved;
+ String namespace = definition.getNamespace();
+ XSDefinition resolved = null;
+
+ // Lookup a definition for the given namespace, within the contribution
+ List<XSDefinition> list = map.get(namespace);
+
+ if (list == null ||
+ (list != null && list.size() == 0)){
+ // if no schema is found locally delegate to other
+ // contributions via the imports
+ resolved = resolutionDelegation(namespace, context);
+ return modelClass.cast(resolved);
+ }
+
+ XSDefinition modelXSD = null;
+ if (list != null && definition.getDocument() != null) {
+ // Set the document for the inline schema
+ int index = list.indexOf(definition);
+ if (index != -1) { // a matching (not identical) document was found
+ modelXSD = list.get(index);
+ modelXSD.setDocument(definition.getDocument());
+ }
+ }
+ if (list == null && definition.getDocument() != null) {
+ // Hit for the 1st time
+ list = new ArrayList<XSDefinition>();
+ list.add(definition);
+ map.put(namespace, list);
+ }
+ try {
+ resolved = aggregate(list);
+ } catch (IOException e) {
+ throw new ContributionRuntimeException(e);
+ }
+ if (resolved != null && !resolved.isUnresolved()) {
+ if (definition.isUnresolved() && definition.getSchema() == null && modelXSD != null) {
+ // Update the unresolved model with schema information and mark it
+ // resolved. This information in the unresolved model is needed when
+ // this method is called by WSDLModelResolver.readInlineSchemas().
+ definition.setSchema(modelXSD.getSchema());
+ definition.setSchemaCollection(modelXSD.getSchemaCollection());
+ definition.setUnresolved(false);
+ }
+ return modelClass.cast(resolved);
+ }
+
+ return modelClass.cast(unresolved);
+ }
+
+ private void loadOnDemand(XSDefinition definition) throws IOException {
+
+ // It might be possible to use a per-XSDModelResolver-instance lock instead of the singleton lock,
+ // since for a deadlock to occur it would seem to require something along the lines of A imports B imports A.
+ // Since I'm not sure precisely what the restriction against circular imports is, and since I don't think it's too bad
+ // to use the singleton lock (after all, loading is, in general, a one-time thing), I'll just use the singleton lock.
+ synchronized (schemaCollectionReadLock) {
+
+ if (definition.getSchema() != null) {
+ return;
+ }
+ if (definition.getDocument() != null) {
+ String uri = null;
+ if (definition.getLocation() != null) {
+ uri = definition.getLocation().toString();
+ }
+ XmlSchema schema = null;
+ try {
+ final XSDefinition finaldef = definition;
+ final String finaluri = uri;
+ try {
+ schema = (XmlSchema) AccessController.doPrivileged(new PrivilegedExceptionAction<XmlSchema>() {
+ public XmlSchema run() throws IOException {
+ return schemaCollection.read(finaldef.getDocument(), finaluri, null);
+ }
+ });
+ } catch (PrivilegedActionException e) {
+ throw (IOException) e.getException();
+ }
+ } catch (IOException e) {
+ throw new ContributionRuntimeException(e);
+ } catch (RuntimeException e) {
+ // find original cause of the problem
+ Throwable cause = e;
+ while (cause.getCause() != null && cause != cause.getCause()) {
+ cause = cause.getCause();
+ }
+ throw new ContributionRuntimeException(cause);
+ }
+ definition.setSchemaCollection(schemaCollection);
+ definition.setSchema(schema);
+ definition.setUnresolved(false);
+ } else if (definition.getLocation() != null) {
+ if (definition.getLocation().getFragment() != null) {
+ // It's an inline schema
+ return;
+ }
+ // Read an XSD document
+ XmlSchema schema = null;
+ for (XmlSchema d : schemaCollection.getXmlSchemas()) {
+ if (isSameNamespace(d.getTargetNamespace(), definition.getNamespace())) {
+ if (d.getSourceURI().equals(definition.getLocation().toString())) {
+ schema = d;
+ break;
+ }
+ }
+ }
+ if (schema == null) {
+ InputSource xsd = null;
+ final XSDefinition finaldef = definition;
+ try {
+ try {
+ xsd = (InputSource) AccessController.doPrivileged(new PrivilegedExceptionAction<InputSource>() {
+ public InputSource run() throws IOException {
+ return XMLDocumentHelper.getInputSource(finaldef.getLocation().toURL());
+ }
+ });
+ } catch (PrivilegedActionException e) {
+ throw (IOException) e.getException();
+ }
+ } catch (IOException e) {
+ throw new ContributionRuntimeException(e);
+ }
+
+ try {
+ final InputSource finalxsd = xsd;
+ try {
+ schema = (XmlSchema) AccessController.doPrivileged(new PrivilegedExceptionAction<XmlSchema>() {
+ public XmlSchema run() throws IOException {
+ return schemaCollection.read(finalxsd, null);
+ }
+ });
+ } catch (PrivilegedActionException e) {
+ throw (IOException) e.getException();
+ }
+
+ } catch (IOException e) {
+ throw new ContributionRuntimeException(e);
+ } catch (RuntimeException e) {
+ // find original cause of the problem
+ Throwable cause = e;
+ while (cause.getCause() != null && cause != cause.getCause()) {
+ cause = cause.getCause();
+ }
+ throw new ContributionRuntimeException(cause);
+ }
+ }
+ definition.setSchemaCollection(schemaCollection);
+ definition.setSchema(schema);
+ }
+ }
+ }
+
+ private boolean isSameNamespace(String ns1, String ns2) {
+ if (ns1 == null) {
+ return ns2 == null;
+ } else {
+ return ns1.equals(ns2);
+ }
+ }
+ /**
+ * Create a facade XmlSchema which includes all the definitions
+ *
+ * @param definitions A list of the XmlSchema under the same target
+ * namespace
+ * @return The aggregated XmlSchema
+ */
+ private XSDefinition aggregate(List<XSDefinition> definitions) throws IOException {
+ if (definitions == null || definitions.size() == 0) {
+ return null;
+ }
+ if (definitions.size() == 1) {
+ XSDefinition d = definitions.get(0);
+ loadOnDemand(d);
+ return d;
+ }
+ XSDefinition aggregated = factory.createXSDefinition();
+ for (XSDefinition d : definitions) {
+ loadOnDemand(d);
+ }
+ String ns = definitions.get(0).getNamespace();
+
+ XmlSchema facade = null;
+ // Check if the facade XSD is already in the collection
+ for (XmlSchema s : schemaCollection.getXmlSchema(AGGREGATED_XSD)) {
+ if (ns.equals(s.getTargetNamespace())) {
+ facade = s;
+ break;
+ }
+ }
+ if (facade == null) {
+ // This will add the facade into the collection
+ facade = new XmlSchema(ns, AGGREGATED_XSD, schemaCollection);
+ }
+
+ for (XmlSchema d : schemaCollection.getXmlSchemas()) {
+ if (ns.equals(d.getTargetNamespace())) {
+ if (d == facade) {
+ continue;
+ }
+ XmlSchemaInclude include = new XmlSchemaInclude();
+ include.setSchema(d);
+ include.setSourceURI(d.getSourceURI());
+ include.setSchemaLocation(d.getSourceURI());
+ facade.getIncludes().add(include);
+ facade.getItems().add(include);
+ }
+ }
+ aggregated.setUnresolved(true);
+ aggregated.setSchema(facade);
+ aggregated.setNamespace(ns);
+ aggregated.setAggregatedDefinitions(definitions);
+ aggregated.setUnresolved(false);
+
+ // FIXME: [rfeng] This is hacky
+ //definitions.clear();
+ //definitions.add(aggregated);
+ return aggregated;
+ }
+
+ private XSDefinition resolutionDelegation(String namespace, ProcessorContext context){
+ // Delegate the resolution to namespace imports
+ XSDefinition resolved = null;
+ XSDefinition unresolved = new XSDefinitionImpl();
+ unresolved.setUnresolved(true);
+ unresolved.setNamespace(namespace);
+
+ for (Import import_ : this.contribution.getImports()) {
+ if (import_ instanceof NamespaceImport) {
+ NamespaceImport namespaceImport = (NamespaceImport)import_;
+ if (namespaceImport.getNamespace().equals(namespace)) {
+ // Delegate the resolution to the namespace import resolver
+ resolved =
+ namespaceImport.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved, context);
+ if (!resolved.isUnresolved()) {
+ return resolved;
+ }
+ }
+ } else if (import_ instanceof DefaultImport) {
+ // Delegate the resolution to the default import resolver
+ resolved =
+ import_.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved, context);
+ if (!resolved.isUnresolved()) {
+ return resolved;
+ }
+ }
+ }
+
+ return resolved;
+ }
+
+ /**
+ * URI resolver implementation for XML schema
+ */
+ public static class URIResolverImpl implements URIResolver {
+ private Contribution contribution;
+ private ProcessorContext context;
+
+ public URIResolverImpl(Contribution contribution, ProcessorContext context) {
+ this.contribution = contribution;
+ this.context = context;
+ }
+
+ public org.xml.sax.InputSource resolveEntity(java.lang.String targetNamespace,
+ java.lang.String schemaLocation,
+ java.lang.String baseUri) {
+ try {
+ if (schemaLocation == null) {
+ return null;
+ }
+ URL url = null;
+
+ // Delegate the resolution to namespace imports
+ XSDefinition resolved = null;
+ XSDefinition unresolved = new XSDefinitionImpl();
+ unresolved.setUnresolved(true);
+ unresolved.setLocation(new URI(schemaLocation));
+ unresolved.setNamespace(targetNamespace);
+
+ for (Import import_ : this.contribution.getImports()) {
+ URL resolvedURL;
+ if (import_ instanceof NamespaceImport) {
+ NamespaceImport namespaceImport = (NamespaceImport)import_;
+ if (namespaceImport.getNamespace().equals(targetNamespace)) {
+ // Delegate the resolution to the namespace import resolver
+ resolved =
+ namespaceImport.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved, context);
+ if (!resolved.isUnresolved()) {
+ resolvedURL = resolved.getLocation().toURL();
+ return xmlDocumentHelperGetInputSource(resolvedURL);
+ }
+ }
+ } else if (import_ instanceof DefaultImport) {
+ // Delegate the resolution to the default import resolver
+ resolved =
+ import_.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved, context);
+ if (!resolved.isUnresolved()) {
+ resolvedURL = resolved.getLocation().toURL();
+ return xmlDocumentHelperGetInputSource(resolvedURL);
+ }
+ }
+ }
+
+ // Not found, lookup a definition for the given namespace
+ // within the current contribution.
+ if (schemaLocation.startsWith("/")) {
+ // The URI is relative to the contribution
+ String uri = schemaLocation.substring(1);
+ for (Artifact a : contribution.getArtifacts()) {
+ if (a.getURI().equals(uri)) {
+ url = new URL(a.getLocation());
+ break;
+ }
+ }
+ if (url == null) {
+ // URI not found in the contribution; return a default InputSource
+ // so that the XmlSchema code will produce a useful diagnostic
+ return new InputSource(schemaLocation);
+ }
+ } else {
+ url = new URL(new URL(baseUri), schemaLocation);
+ String scheme = url.getProtocol();
+ if ("file".equalsIgnoreCase(scheme) || "jar".equalsIgnoreCase(scheme)
+ || "zip".equalsIgnoreCase(scheme)
+ || "wsjar".equalsIgnoreCase(scheme)) {
+ // For local URLs, use as-is
+ } else {
+ // look to see whether Tuscany has a local version of the
+ // required schema. It can load the local version rather
+ // than going out to the network in order to improve performance
+ URL cached = Constants.CACHED_XSDS.get(targetNamespace);
+ if (cached != null) {
+ url = cached;
+ }
+ }
+ }
+ return xmlDocumentHelperGetInputSource(url);
+
+ } catch (IOException e) {
+ // If we are not able to resolve the imports using location, then
+ // try resolving them using the namespace.
+ try {
+ for (Artifact artifact : contribution.getArtifacts()) {
+ if (artifact.getModel() instanceof XSDefinitionImpl) {
+ String artifactNamespace = ((XSDefinitionImpl)artifact.getModel()).getNamespace();
+ if (targetNamespace.equals(artifactNamespace)) {
+ final URL artifactLocation = ((XSDefinitionImpl)artifact.getModel()).getLocation().toURL();
+ return xmlDocumentHelperGetInputSource(artifactLocation);
+ }
+ }
+ }
+ // add another default return statement
+ return new InputSource(schemaLocation);
+ } catch (IOException ioe) {
+ // Invalid URI; return a default InputSource so that the
+ // XmlSchema code will produce a useful diagnostic
+ return new InputSource(schemaLocation);
+ }
+ } catch (URISyntaxException e) {
+ // Invalid URI; return a default InputSource so that the
+ // XmlSchema code will produce a useful diagnostic
+ return new InputSource(schemaLocation);
+ }
+ }
+
+ private InputSource xmlDocumentHelperGetInputSource(final URL url) throws IOException {
+ try {
+ return (InputSource)AccessController.doPrivileged( new PrivilegedExceptionAction<InputSource>() {
+ public InputSource run() throws IOException {
+ return XMLDocumentHelper.getInputSource(url);
+ }
+ });
+ } catch (PrivilegedActionException pae) {
+ throw (IOException) pae.getException();
+ }
+ }
+ }
+
+}