diff options
| author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-06-16 06:48:13 +0000 |
|---|---|---|
| committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-06-16 06:48:13 +0000 |
| commit | 6f41ef61af2268d5576448974ca447b597387e88 (patch) | |
| tree | de4f94cc5b532a39f5968ff4fda6e714f52818a5 /branches/sca-java-2.0-M3/modules/node-impl/src/main/java | |
| parent | 344bc76bba5f48b3476a8fc49d68bd3392703518 (diff) | |
Create 2.0 M3 release branch
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@785089 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
7 files changed, 1856 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationATOMProcessor.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationATOMProcessor.java new file mode 100644 index 0000000000..d3d0c5d077 --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationATOMProcessor.java @@ -0,0 +1,160 @@ +/*
+ * 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.node.configuration.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+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.contribution.processor.BaseStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.node.configuration.ContributionConfiguration;
+import org.apache.tuscany.sca.node.configuration.NodeConfiguration;
+import org.apache.tuscany.sca.node.configuration.NodeConfigurationFactory;
+
+/**
+ * Implements a StAX artifact processor for configured node implementations.
+ *
+ * @version $Rev: 704156 $ $Date: 2008-10-13 09:31:59 -0700 (Mon, 13 Oct 2008) $
+ */
+public class NodeConfigurationATOMProcessor extends BaseStAXArtifactProcessor implements
+ StAXArtifactProcessor<NodeConfiguration> {
+
+ private static final String ATOM_NS = "http://www.w3.org/2005/Atom";
+ private static final QName FEED_QNAME = new QName(ATOM_NS, "feed");
+ private static final QName ENTRY_QNAME = new QName(ATOM_NS, "entry");
+ private static final QName ID_QNAME = new QName(ATOM_NS, "id");
+ private static final QName LINK_QNAME = new QName(ATOM_NS, "link");
+ private static final QName CONTENT_QNAME = new QName(ATOM_NS, "content");
+ private static final String HREF = "href";
+
+ private NodeConfigurationFactory factory;
+
+ public NodeConfigurationATOMProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) {
+ this.factory = modelFactories.getFactory(NodeConfigurationFactory.class);
+ }
+
+ public QName getArtifactType() {
+ return null;
+ }
+
+ public Class<NodeConfiguration> getModelType() {
+ // Returns the type of model processed by this processor
+ return NodeConfiguration.class;
+ }
+
+ public NodeConfiguration read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+
+ NodeConfiguration config = factory.createNodeConfiguration();
+
+ // Read a feed containing links to the composite and the contributions assigned to
+ // the node
+ ContributionConfiguration contribution = null;
+ boolean id = false;
+ QName name = null;
+
+ while (reader.hasNext()) {
+ int event = reader.getEventType();
+ switch (event) {
+
+ case START_ELEMENT:
+ name = reader.getName();
+
+ if (ENTRY_QNAME.equals(name)) {
+
+ // Read an <entry>
+ contribution = factory.createContributionConfiguration();
+ } else if (ID_QNAME.equals(name)) {
+
+ // Read an <id>
+ id = true;
+
+ } else if (LINK_QNAME.equals(name)) {
+
+ // Read a <link>
+ String href = getString(reader, HREF);
+
+ if (contribution != null) {
+ contribution.setLocation(href);
+ }
+ } else if (CONTENT_QNAME.equals(name)) {
+ // Read a <content>
+ } else if (FEED_QNAME.equals(name)) {
+ // Read a <feed>
+ }
+ break;
+
+ case XMLStreamConstants.CHARACTERS:
+
+ // Read characters inside an <id> element
+ if (id) {
+ if (contribution != null) {
+ contribution.setURI(reader.getText());
+ }
+ }
+ break;
+
+ case END_ELEMENT:
+ name = reader.getName();
+
+ // Clear current state when reading reaching end element
+ if (ENTRY_QNAME.equals(name)) {
+ if (contribution != null) {
+ config.getContributions().add(contribution);
+ }
+
+ contribution = null;
+
+ } else if (ID_QNAME.equals(name)) {
+ id = false;
+
+ } else if (FEED_QNAME.equals(name)) {
+
+ // We've reached the end of the feed
+ return config;
+ }
+ break;
+ }
+
+ // Read the next element
+ if (reader.hasNext()) {
+ reader.next();
+ }
+ }
+ return config;
+ }
+
+ public void resolve(NodeConfiguration implementation, ModelResolver resolver) throws ContributionResolveException {
+ }
+
+ public void write(NodeConfiguration implementation, XMLStreamWriter writer) throws ContributionWriteException,
+ XMLStreamException {
+ }
+}
diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationProcessor.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationProcessor.java new file mode 100644 index 0000000000..fb16cf461d --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationProcessor.java @@ -0,0 +1,240 @@ +/*
+ * 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.node.configuration.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.util.StringTokenizer;
+
+import javax.xml.namespace.QName;
+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.processor.BaseStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.node.configuration.BindingConfiguration;
+import org.apache.tuscany.sca.node.configuration.ContributionConfiguration;
+import org.apache.tuscany.sca.node.configuration.DeploymentComposite;
+import org.apache.tuscany.sca.node.configuration.NodeConfiguration;
+import org.apache.tuscany.sca.node.configuration.NodeConfigurationFactory;
+
+/**
+ * Implements a StAX artifact processor for node implementations.
+ *
+ * @version $Rev: 750323 $ $Date: 2009-03-04 21:52:01 -0800 (Wed, 04 Mar 2009) $
+ */
+public class NodeConfigurationProcessor extends BaseStAXArtifactProcessor implements
+ StAXArtifactProcessor<NodeConfiguration> {
+ private static final String SCA11_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.1";
+ private static final QName NODE = new QName(SCA11_TUSCANY_NS, "node");
+ private static final QName CONTRIBUTION = new QName(SCA11_TUSCANY_NS, "contribution");
+ private static final QName BINDING = new QName(SCA11_TUSCANY_NS, "binding");
+ private static final QName BASE_URI = new QName(SCA11_TUSCANY_NS, "baseURI");
+ private static final QName DEPLOYMENT_COMPOSITE = new QName(SCA11_TUSCANY_NS, "deploymentComposite");
+
+ private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903";
+ private static final QName COMPOSITE = new QName(SCA11_NS, "composite");
+
+ private StAXArtifactProcessor processor;
+ private NodeConfigurationFactory nodeConfigurationFactory;
+ private XMLInputFactory xmlInputFactory;
+ private XMLOutputFactory xmlOutputFactory;
+
+ public NodeConfigurationProcessor(FactoryExtensionPoint modelFactories,
+ StAXArtifactProcessor processor,
+ Monitor monitor) {
+ this.nodeConfigurationFactory = modelFactories.getFactory(NodeConfigurationFactory.class);
+ this.processor = processor;
+ this.xmlInputFactory = modelFactories.getFactory(XMLInputFactory.class);
+ this.xmlOutputFactory = modelFactories.getFactory(XMLOutputFactory.class);
+ }
+
+ public NodeConfigurationProcessor(NodeConfigurationFactory nodeConfigurationFactory,
+ XMLInputFactory xmlInputFactory,
+ XMLOutputFactory xmlOutputFactory) {
+ super();
+ this.nodeConfigurationFactory = nodeConfigurationFactory;
+ this.xmlInputFactory = xmlInputFactory;
+ this.xmlOutputFactory = xmlOutputFactory;
+ }
+
+ public QName getArtifactType() {
+ // Returns the QName of the XML element processed by this processor
+ return NODE;
+ }
+
+ public Class<NodeConfiguration> getModelType() {
+ // Returns the type of model processed by this processor
+ return NodeConfiguration.class;
+ }
+
+ public NodeConfiguration read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+
+ NodeConfiguration node = null;
+ ContributionConfiguration contribution = null;
+ DeploymentComposite composite = null;
+ BindingConfiguration binding = null;
+
+ // Skip to end element
+ while (true) {
+ int event = reader.getEventType();
+ switch (event) {
+ case XMLStreamConstants.START_ELEMENT:
+ QName name = reader.getName();
+ if (NODE.equals(name)) {
+ node = nodeConfigurationFactory.createNodeConfiguration();
+ node.setURI(reader.getAttributeValue(null, "uri"));
+ node.setDomainURI(reader.getAttributeValue(null, "domain"));
+ } else if (CONTRIBUTION.equals(name)) {
+ contribution = nodeConfigurationFactory.createContributionConfiguration();
+ contribution.setURI(reader.getAttributeValue(null, "uri"));
+ contribution.setLocation(reader.getAttributeValue(null, "location"));
+ node.getContributions().add(contribution);
+ } else if (BINDING.equals(name)) {
+ binding = nodeConfigurationFactory.createBindingConfiguration();
+ binding.setBindingType(getQName(reader, "name"));
+ String baseURIs = reader.getAttributeValue(null, "baseURIs");
+ if (baseURIs != null) {
+ StringTokenizer tokenizer = new StringTokenizer(baseURIs);
+ while (tokenizer.hasMoreTokens()) {
+ binding.getBaseURIs().add(tokenizer.nextToken());
+ }
+ }
+ node.getBindings().add(binding);
+ } else if (DEPLOYMENT_COMPOSITE.equals(name)) {
+ composite = nodeConfigurationFactory.createDeploymentComposite();
+ composite.setLocation(reader.getAttributeValue(null, "location"));
+ if (contribution != null) {
+ contribution.getDeploymentComposites().add(composite);
+ }
+ } else if(BASE_URI.equals(name)) {
+ // We also support <baseURI> element
+ String baseURI = reader.getElementText();
+ if (baseURI != null && binding != null) {
+ baseURI = baseURI.trim();
+ binding.addBaseURI(baseURI);
+ }
+ // getElementText() moves the event to END_ELEMENT
+ continue;
+ } else if (COMPOSITE.equals(name)) {
+ /*
+ Object model = processor.read(reader);
+ if (model instanceof Composite) {
+ // FIXME: We need to capture the text here
+ // composite.setComposite((Composite)model);
+ }
+ */
+ StringWriter sw = new StringWriter();
+ XMLStreamWriter writer = xmlOutputFactory.createXMLStreamWriter(sw);
+ new XMLStreamSerializer().serialize(reader, writer);
+ writer.flush();
+ composite.setContent(sw.toString());
+ }
+ break;
+
+ case END_ELEMENT:
+ name = reader.getName();
+ if (NODE.equals(name)) {
+ return node;
+ } else if (CONTRIBUTION.equals(name)) {
+ contribution = null;
+ } else if (DEPLOYMENT_COMPOSITE.equals(name)) {
+ composite = null;
+ } else if (BINDING.equals(name)) {
+ binding = null;
+ }
+ }
+ if (reader.hasNext()) {
+ reader.next();
+ } else {
+ break;
+ }
+ }
+
+ return node;
+ }
+
+ public void resolve(NodeConfiguration node, ModelResolver resolver) throws ContributionResolveException {
+ }
+
+ public void write(NodeConfiguration node, XMLStreamWriter writer) throws ContributionWriteException,
+ XMLStreamException {
+
+ writeStart(writer,
+ NODE.getNamespaceURI(),
+ NODE.getLocalPart(),
+ new XAttr("uri", node.getURI()),
+ new XAttr("domain", node.getDomainURI()));
+
+ for (ContributionConfiguration c : node.getContributions()) {
+ writeStart(writer,
+ CONTRIBUTION.getNamespaceURI(),
+ CONTRIBUTION.getLocalPart(),
+ new XAttr("uri", c.getURI()),
+ new XAttr("location", c.getLocation()));
+ for (DeploymentComposite dc : c.getDeploymentComposites()) {
+ writeStart(writer,
+ DEPLOYMENT_COMPOSITE.getNamespaceURI(),
+ DEPLOYMENT_COMPOSITE.getLocalPart(),
+ new XAttr("location", dc.getLocation()),
+ new XAttr("contribution", dc.getContributionURI()));
+ if (dc.getContent() != null) {
+ XMLStreamReader reader = xmlInputFactory.createXMLStreamReader(new StringReader(dc.getContent()));
+ reader.nextTag(); // Move to the first element
+ new XMLStreamSerializer().serialize(reader, writer);
+ reader.close();
+ }
+ writeEnd(writer);
+ }
+ writeEnd(writer);
+ }
+
+ for (BindingConfiguration b : node.getBindings()) {
+ StringBuffer uris = new StringBuffer();
+ for (String uri : b.getBaseURIs()) {
+ uris.append(uri).append(' ');
+ }
+ if (uris.length() > 0) {
+ uris.deleteCharAt(uris.length() - 1); // Remove the trailing space
+ } else {
+ uris = null;
+ }
+ writeStart(writer,
+ BINDING.getNamespaceURI(),
+ BINDING.getLocalPart(),
+ new XAttr("name", b.getBindingType()),
+ new XAttr("baseURIs", uris.toString()));
+ writeEnd(writer);
+ }
+
+ writeEnd(writer);
+ }
+}
diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/XMLStreamSerializer.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/XMLStreamSerializer.java new file mode 100644 index 0000000000..38d8215cb2 --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/XMLStreamSerializer.java @@ -0,0 +1,287 @@ +/*
+ * 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.node.configuration.xml;
+
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+/**
+ * The XMLStreamSerializer pulls events from the XMLStreamReader and dumps into the XMLStreamWriter
+ *
+ * @version $Rev: 656146 $ $Date: 2008-05-14 01:22:08 -0700 (Wed, 14 May 2008) $
+ */
+public class XMLStreamSerializer implements XMLStreamConstants {
+ public static final String NAMESPACE_PREFIX = "ns";
+ private static int namespaceSuffix;
+
+ /*
+ * The behavior of the Serializer is such that it returns when it encounters the starting element for the second
+ * time. The depth variable tracks the depth of the Serializer and tells it when to return. Note that it is assumed
+ * that this Serialization starts on an Element.
+ */
+
+ /**
+ * Field depth
+ */
+ private int depth;
+
+ /**
+ * Generates a unique namespace prefix that is not in the scope of the NamespaceContext
+ *
+ * @param nsCtxt
+ * @return string
+ */
+ private String generateUniquePrefix(NamespaceContext nsCtxt) {
+ String prefix = NAMESPACE_PREFIX + namespaceSuffix++;
+ // null should be returned if the prefix is not bound!
+ while (nsCtxt.getNamespaceURI(prefix) != null) {
+ prefix = NAMESPACE_PREFIX + namespaceSuffix++;
+ }
+
+ return prefix;
+ }
+
+ /**
+ * Method serialize.
+ *
+ * @param node
+ * @param writer
+ * @throws XMLStreamException
+ */
+ public void serialize(XMLStreamReader node, XMLStreamWriter writer) throws XMLStreamException {
+ serializeNode(node, writer);
+ }
+
+ /**
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeAttributes(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ int count = reader.getAttributeCount();
+ String prefix;
+ String namespaceName;
+ String writerPrefix;
+ for (int i = 0; i < count; i++) {
+ prefix = reader.getAttributePrefix(i);
+ namespaceName = reader.getAttributeNamespace(i);
+ /*
+ * Due to parser implementations returning null as the namespace URI (for the empty namespace) we need to
+ * make sure that we deal with a namespace name that is not null. The best way to work around this issue is
+ * to set the namespace URI to "" if it is null
+ */
+ if (namespaceName == null) {
+ namespaceName = "";
+ }
+
+ writerPrefix = writer.getPrefix(namespaceName);
+
+ if (!"".equals(namespaceName)) {
+ // prefix has already being declared but this particular
+ // attrib has a
+ // no prefix attached. So use the prefix provided by the
+ // writer
+ if (writerPrefix != null && (prefix == null || prefix.equals(""))) {
+ writer.writeAttribute(writerPrefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+
+ // writer prefix is available but different from the
+ // current
+ // prefix of the attrib. We should be declaring the new
+ // prefix
+ // as a namespace declaration
+ } else if (prefix != null && !"".equals(prefix) && !prefix.equals(writerPrefix)) {
+ writer.writeNamespace(prefix, namespaceName);
+ writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+
+ // prefix is null (or empty), but the namespace name is
+ // valid! it has not
+ // being written previously also. So we need to generate
+ // a prefix
+ // here
+ } else if (prefix == null || prefix.equals("")) {
+ prefix = generateUniquePrefix(writer.getNamespaceContext());
+ writer.writeNamespace(prefix, namespaceName);
+ writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+ } else {
+ writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+ }
+ } else {
+ // empty namespace is equal to no namespace!
+ writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i));
+ }
+
+ }
+ }
+
+ /**
+ * Method serializeCData.
+ *
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeCData(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeCData(reader.getText());
+ }
+
+ /**
+ * Method serializeComment.
+ *
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeComment(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeComment(reader.getText());
+ }
+
+ /**
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeElement(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ String prefix = reader.getPrefix();
+ String nameSpaceName = reader.getNamespaceURI();
+ if (nameSpaceName != null) {
+ String writerPrefix = writer.getPrefix(nameSpaceName);
+ if (writerPrefix != null) {
+ writer.writeStartElement(nameSpaceName, reader.getLocalName());
+ } else {
+ if (prefix != null) {
+ writer.writeStartElement(prefix, reader.getLocalName(), nameSpaceName);
+ writer.writeNamespace(prefix, nameSpaceName);
+ // writer.setPrefix(prefix, nameSpaceName);
+ } else {
+ // [rfeng] We need to set default NS 1st before calling writeStateElement
+ writer.setDefaultNamespace(nameSpaceName);
+ writer.writeStartElement(nameSpaceName, reader.getLocalName());
+ writer.writeDefaultNamespace(nameSpaceName);
+ }
+ }
+ } else {
+ writer.writeStartElement(reader.getLocalName());
+ }
+
+ // add the namespaces
+ int count = reader.getNamespaceCount();
+ String namespacePrefix;
+ for (int i = 0; i < count; i++) {
+ namespacePrefix = reader.getNamespacePrefix(i);
+ // [rfeng] The following is commented out to allow to default ns
+ // if (namespacePrefix != null && namespacePrefix.length() == 0) {
+ // continue;
+ // }
+
+ serializeNamespace(namespacePrefix, reader.getNamespaceURI(i), writer);
+ }
+
+ // add attributes
+ serializeAttributes(reader, writer);
+
+ }
+
+ /**
+ * Method serializeEndElement.
+ *
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeEndElement(XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeEndElement();
+ }
+
+ /**
+ * Method serializeNamespace.
+ *
+ * @param prefix
+ * @param uri
+ * @param writer
+ * @throws XMLStreamException
+ */
+ private void serializeNamespace(String prefix, String uri, XMLStreamWriter writer) throws XMLStreamException {
+ String prefix1 = writer.getPrefix(uri);
+ if (prefix1 == null) {
+ writer.writeNamespace(prefix, uri);
+ // writer.setPrefix(prefix, uri);
+ }
+ }
+
+ /**
+ * Method serializeNode.
+ *
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeNode(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ while (true) {
+ int event = reader.getEventType();
+ if (event == START_ELEMENT) {
+ serializeElement(reader, writer);
+ depth++;
+ } else if (event == ATTRIBUTE) {
+ serializeAttributes(reader, writer);
+ } else if (event == CHARACTERS) {
+ serializeText(reader, writer);
+ } else if (event == COMMENT) {
+ serializeComment(reader, writer);
+ } else if (event == CDATA) {
+ serializeCData(reader, writer);
+ } else if (event == END_ELEMENT) {
+ serializeEndElement(writer);
+ depth--;
+ } else if (event == START_DOCUMENT) {
+ depth++; // if a start document is found then increment
+ writer.writeStartDocument();
+ // the depth
+ } else if (event == END_DOCUMENT) {
+ if (depth != 0) {
+ depth--; // for the end document - reduce the depth
+ }
+ writer.writeEndDocument();
+ }
+ if (depth == 0) {
+ break;
+ }
+ if (reader.hasNext()) {
+ reader.next();
+ } else {
+ break;
+ }
+ }
+ }
+
+ /**
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeText(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeCharacters(reader.getText());
+ }
+}
diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Contributions.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Contributions.java new file mode 100644 index 0000000000..7dabb471be --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Contributions.java @@ -0,0 +1,160 @@ +/*
+ * 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.node.impl;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Extension;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.Export;
+import org.apache.tuscany.sca.contribution.Import;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+
+/**
+ * A Contribution impl wrapping multiple other contributions
+ * Currently the sole reason for this is so
+ */
+public class Contributions implements Contribution {
+
+ private List<Contribution> contributions = new ArrayList<Contribution>();
+ private String location;
+ private String uri;
+ private Object model;
+ private byte[] contents;
+ private boolean unresolved;
+ private ModelResolver modelResolver;
+ private List<Contribution> dependencies = new ArrayList<Contribution>();
+
+ public Contributions(List<Contribution> contributions) {
+ this.contributions = contributions;
+ }
+
+ public String getLocation() {
+ return location;
+ }
+
+ public Object getModel() {
+ return model;
+ }
+
+ public String getURI() {
+ return uri;
+ }
+
+ public void setLocation(String location) {
+ this.location = location;
+ }
+
+ public void setModel(Object model) {
+ this.model = model;
+ }
+
+ public byte[] getContents() {
+ return contents;
+ }
+
+ public void setContents(byte[] contents) {
+ this.contents = contents;
+ }
+
+ public void setURI(String uri) {
+ this.uri = uri;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unresolved = unresolved;
+ }
+
+ public List<Contribution> getContributions() {
+ return contributions;
+ }
+
+ public List<Artifact> getArtifacts() {
+ return (List<Artifact>)(Object)contributions;
+ }
+
+ public List<Contribution> getDependencies() {
+ return dependencies;
+ }
+
+ public ClassLoader getClassLoader() {
+ //FIXME Remove later
+ return null;
+ }
+
+ public void setClassLoader(ClassLoader classLoader) {
+ //FIXME Remove later
+ }
+
+ public List<Composite> getDeployables() {
+ List<Composite> deployables = new ArrayList<Composite>();
+ for (Contribution contribution: contributions) {
+ deployables.addAll(contribution.getDeployables());
+ }
+ return deployables;
+ }
+
+ public List<Export> getExports() {
+ List<Export> exports = new ArrayList<Export>();
+ for (Contribution contribution: contributions) {
+ exports.addAll(contribution.getExports());
+ }
+ return exports;
+ }
+
+ public List<Import> getImports() {
+ List<Import> imports = new ArrayList<Import>();
+ for (Contribution contribution: contributions) {
+ imports.addAll(contribution.getImports());
+ }
+ return imports;
+ }
+
+ public ModelResolver getModelResolver() {
+ return modelResolver;
+ }
+
+ public void setModelResolver(ModelResolver modelResolver) {
+ this.modelResolver = modelResolver;
+ }
+
+ public List<Extension> getAttributeExtensions() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public List<Object> getExtensions() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public Set<String> getTypes() {
+ return Collections.emptySet();
+ }
+}
diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java new file mode 100644 index 0000000000..f637842afe --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java @@ -0,0 +1,682 @@ +/* + * 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.node.impl; + +import static java.lang.System.currentTimeMillis; +import static org.apache.tuscany.sca.node.impl.NodeUtil.createURI; +import static org.apache.tuscany.sca.node.impl.NodeUtil.openStream; + +import java.io.File; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.Reader; +import java.io.StringReader; +import java.net.URI; +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.logging.Level; +import java.util.logging.Logger; + +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 org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilder; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderExtensionPoint; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.DefaultImport; +import org.apache.tuscany.sca.contribution.Export; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ExtendedURLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.ValidationSchemaExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.DefaultImportModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint; +import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory; +import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; +import org.apache.tuscany.sca.definitions.Definitions; +import org.apache.tuscany.sca.definitions.DefinitionsFactory; +import org.apache.tuscany.sca.definitions.util.DefinitionsUtil; +import org.apache.tuscany.sca.definitions.xml.DefinitionsExtensionPoint; +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.node.Node; +import org.apache.tuscany.sca.node.NodeFactory; +import org.apache.tuscany.sca.node.configuration.ContributionConfiguration; +import org.apache.tuscany.sca.node.configuration.DeploymentComposite; +import org.apache.tuscany.sca.node.configuration.NodeConfiguration; +import org.apache.tuscany.sca.node.configuration.xml.NodeConfigurationProcessor; +import org.apache.tuscany.sca.provider.DefinitionsProvider; +import org.apache.tuscany.sca.provider.DefinitionsProviderException; +import org.apache.tuscany.sca.provider.DefinitionsProviderExtensionPoint; +import org.apache.tuscany.sca.work.WorkScheduler; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * + */ +public class NodeFactoryImpl extends NodeFactory { + protected static final Logger logger = Logger.getLogger(NodeImpl.class.getName()); + private static final String SCA11_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.1"; + + protected boolean inited; + protected Map<Object, Node> nodes = new ConcurrentHashMap<Object, Node>(); + + private AssemblyFactory assemblyFactory; + private CompositeBuilder compositeBuilder; + private StAXArtifactProcessor<Composite> compositeProcessor; + private ContributionFactory contributionFactory; + private ExtendedURLArtifactProcessor<Contribution> contributionProcessor; + private CompositeBuilder endpointReferenceBuilder; + protected ExtensionPointRegistry extensionPoints; + private XMLInputFactory inputFactory; + protected FactoryExtensionPoint modelFactories; + private ModelResolverExtensionPoint modelResolvers; + private List<ModuleActivator> moduleActivators = new ArrayList<ModuleActivator>(); + private Monitor monitor; + protected ProxyFactory proxyFactory; + private Contribution systemContribution; + private Definitions systemDefinitions; + private WorkScheduler workScheduler; + private StAXArtifactProcessorExtensionPoint xmlProcessors; + + /** + * Automatically destroy the factory when last node is stopped. Subclasses + * can set this flag. + */ + protected boolean autoDestroy = true; + + @Override + public Node createNode(NodeConfiguration configuration) { + return new NodeImpl(this, configuration); + } + + protected Node removeNode(NodeConfiguration configuration) { + Node node = nodes.remove(getNodeKey(configuration)); + if (autoDestroy && nodes.isEmpty()) { + destroy(); + } + return node; + } + + protected void addNode(NodeConfiguration configuration, Node node) { + nodes.put(getNodeKey(configuration), node); + } + + /** + * @param <T> + * @param factory + * @return + * @throws Exception + */ + private <T> T getFactory(Class<T> factory) throws Exception { + ServiceDeclaration sd = ServiceDiscovery.getInstance().getServiceDeclaration(factory.getName()); + if (sd != null) { + return factory.cast(sd.loadClass().newInstance()); + } else { + return factory.cast(factory.getMethod("newInstance").invoke(null)); + } + } + + @Override + public NodeConfiguration loadConfiguration(InputStream xml) { + try { + XMLInputFactory inputFactory = getFactory(XMLInputFactory.class); + XMLOutputFactory outputFactory = getFactory(XMLOutputFactory.class); + XMLStreamReader reader = inputFactory.createXMLStreamReader(xml); + NodeConfigurationProcessor processor = new NodeConfigurationProcessor(this, inputFactory, outputFactory); + reader.nextTag(); + NodeConfiguration config = processor.read(reader); + xml.close(); + return config; + } catch (Throwable e) { + throw new ServiceRuntimeException(e); + } + } + + public Map<Object, Node> getNodes() { + return nodes; + } + + protected Object getNodeKey(NodeConfiguration configuration) { + return new NodeKey(configuration); + } + + public synchronized void destroy() { + if (inited) { + for (Node node : nodes.values()) { + node.stop(); + node.destroy(); + } + nodes.clear(); + // Stop the runtime modules in the reverse order + for (int i = moduleActivators.size() - 1; i >= 0; i--) { + moduleActivators.get(i).stop(extensionPoints); + } + + // Stop and destroy the work manager + workScheduler.destroy(); + extensionPoints.destroy(); + inited = false; + } + } + + protected static String getSystemProperty(final String name) { + return AccessController.doPrivileged(new PrivilegedAction<String>() { + public String run() { + return System.getProperty(name); + } + }); + } + + private static void warning(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(NodeImpl.class.getName(), "node-impl-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Analyze a contribution and add its dependencies to the given dependency set. + */ + private void addContributionDependencies(Contribution contribution, List<Contribution> contributions, List<Contribution> dependencies, Set<Contribution> set, Monitor monitor) { + + // Go through the contribution imports + for (Import import_: contribution.getImports()) { + boolean resolved = false; + + // Go through all contribution candidates and their exports + List<Export> matchingExports = new ArrayList<Export>(); + for (Contribution dependency: contributions) { + if (dependency == contribution) { + // Do not self import + continue; + } + for (Export export: dependency.getExports()) { + + // If an export from a contribution matches the import in hand + // add that contribution to the dependency set + if (import_.match(export)) { + resolved = true; + matchingExports.add(export); + + if (!set.contains(dependency)) { + set.add(dependency); + dependencies.add(dependency); + + // Now add the dependencies of that contribution + addContributionDependencies(dependency, contributions, dependencies, set, monitor); + } + } + } + } + + if (resolved) { + + // Initialize the import's model resolver with a delegating model + // resolver which will delegate to the matching exports + import_.setModelResolver(new DefaultImportModelResolver(matchingExports)); + + } else { + // Record import resolution issue + if (!(import_ instanceof DefaultImport)) { + warning(monitor, "UnresolvedImport", import_, import_); + } + } + } + } + + /** + * Analyze problems reported by the artifact processors and builders. + * + * @throws Exception + */ + private void analyzeProblems() throws Exception { + for (Problem problem : monitor.getProblems()) { + if ((problem.getSeverity() == Severity.ERROR) && (!problem.getMessageId().equals("SchemaError"))) { + if (problem.getCause() != null) { + throw problem.getCause(); + } else { + throw new ServiceRuntimeException(problem.toString()); + } + } + } + } + + private boolean attachDeploymentComposite(Contribution contribution, Reader xml, String location, boolean attached) + throws XMLStreamException, ContributionReadException { + XMLStreamReader reader = inputFactory.createXMLStreamReader(xml); + reader.nextTag(); + + // Read the composite model + Composite composite = (Composite)compositeProcessor.read(reader); + reader.close(); + + // Create an artifact for the deployment composite + Artifact artifact = contributionFactory.createArtifact(); + String uri = composite.getName().getLocalPart() + ".composite"; + artifact.setURI(uri); + // Set the location to avoid NPE + if (location == null) { + location = uri; + } + artifact.setLocation(location); + artifact.setModel(composite); + artifact.setUnresolved(false); + // Add it to the contribution + contribution.getArtifacts().add(artifact); + + // Replace the deployable composites with the deployment composites + // Clear the deployable composites if it's the first deployment composite + if (!attached) { + contribution.getDeployables().clear(); + attached = true; + } + contribution.getDeployables().add(composite); + // REVIEW: Is it needed? + contribution.getModelResolver().addModel(composite); + return attached; + } + + private void buildDependencies(Contribution contribution, List<Contribution> contributions, Monitor monitor) { + contribution.getDependencies().clear(); + + List<Contribution> dependencies = new ArrayList<Contribution>(); + Set<Contribution> set = new HashSet<Contribution>(); + + dependencies.add(contribution); + set.add(contribution); + addContributionDependencies(contribution, contributions, dependencies, set, monitor); + + Collections.reverse(dependencies); + + contribution.getDependencies().addAll(dependencies); + } + + /** + * Pre-resolve phase for contributions, to set up handling of imports and exports prior to full resolution + * @param contributions - the contributions to preresolve + * @param resolver - the ModelResolver to use + * @throws ContributionResolveException + */ + private void contributionsPreresolve( List<Contribution> contributions, ModelResolver resolver ) + throws ContributionResolveException { + + for( Contribution contribution : contributions ) { + contributionProcessor.preResolve(contribution, resolver); + } // end for + } // end method contributionsPreresolve + + public ExtensionPointRegistry getExtensionPoints() { + return extensionPoints; + } + + protected boolean isSchemaValidationEnabled() { + String enabled = getSystemProperty(ValidationSchemaExtensionPoint.class.getName() + ".enabled"); + if (enabled == null) { + enabled = "true"; + } + boolean debug = logger.isLoggable(Level.FINE); + return "true".equals(enabled) || debug; + } + + public synchronized void init() { + if (inited) { + return; + } + long start = currentTimeMillis(); + + // Create extension point registry + extensionPoints = createExtensionPointRegistry(); + + // Enable schema validation only of the logger level is FINE or higher + if (isSchemaValidationEnabled()) { + ValidationSchemaExtensionPoint schemas = + extensionPoints.getExtensionPoint(ValidationSchemaExtensionPoint.class); + if (schemas != null) { + schemas.setEnabled(true); + } + } + + // Use the runtime-enabled assembly factory + modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + assemblyFactory = new RuntimeAssemblyFactory(extensionPoints); + modelFactories.addFactory(assemblyFactory); + + // Create a monitor + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + monitor = monitorFactory.createMonitor(); + + // Initialize the Tuscany module activators + ModuleActivatorExtensionPoint activators = extensionPoints.getExtensionPoint(ModuleActivatorExtensionPoint.class); + for (ModuleActivator moduleActivator: activators.getModuleActivators()) { + try { + moduleActivator.start(extensionPoints); + moduleActivators.add(moduleActivator); + } catch (Throwable e) { + // Ignore the failing module for now + logger.log(Level.SEVERE, e.getMessage(), e); + } + } + + // Get XML input/output factories + inputFactory = modelFactories.getFactory(XMLInputFactory.class); + + // Get contribution workspace and assembly model factories + contributionFactory = modelFactories.getFactory(ContributionFactory.class); + + // Create XML artifact processors + xmlProcessors = extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + compositeProcessor = xmlProcessors.getProcessor(Composite.class); + + // Create contribution content processor + URLArtifactProcessorExtensionPoint docProcessorExtensions = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + contributionProcessor = (ExtendedURLArtifactProcessor<Contribution>) docProcessorExtensions.getProcessor(Contribution.class); + + // Get the model resolvers + modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class); + + // Get composite builders + CompositeBuilderExtensionPoint compositeBuilders = extensionPoints.getExtensionPoint(CompositeBuilderExtensionPoint.class); + compositeBuilder = compositeBuilders.getCompositeBuilder("org.apache.tuscany.sca.assembly.builder.CompositeBuilder"); + + // Get endpoint builders + // TODO - new extension point? + endpointReferenceBuilder = compositeBuilders.getCompositeBuilder("org.apache.tuscany.sca.endpoint.impl.EndpointReferenceBuilderImpl"); + + // Initialize runtime + + // Get proxy factory + ProxyFactoryExtensionPoint proxyFactories = extensionPoints.getExtensionPoint(ProxyFactoryExtensionPoint.class); + proxyFactory = new ExtensibleProxyFactory(proxyFactories); + + workScheduler = utilities.getUtility(WorkScheduler.class); + + DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class); + systemDefinitions = definitionsFactory.createDefinitions(); + + DefinitionsExtensionPoint definitionsExtensionPoint = extensionPoints.getExtensionPoint(DefinitionsExtensionPoint.class); + for(Definitions defs: definitionsExtensionPoint.getDefinitions()) { + DefinitionsUtil.aggregate(systemDefinitions, defs); + } + + // Load the system definitions.xml from all of the loaded extension points + DefinitionsProviderExtensionPoint definitionsProviders = extensionPoints.getExtensionPoint(DefinitionsProviderExtensionPoint.class); + + // aggregate all the definitions into a single definitions model + try { + for (DefinitionsProvider definitionsProvider : definitionsProviders.getDefinitionsProviders()) { + DefinitionsUtil.aggregate(definitionsProvider.getDefinitions(), systemDefinitions); + } + } catch (DefinitionsProviderException e) { + throw new IllegalStateException(e); + } + + // create a system contribution to hold the definitions. The contribution + // will be extended later with definitions from application contributions + systemContribution = contributionFactory.createContribution(); + systemContribution.setURI("http://tuscany.apache.org/SystemContribution"); + systemContribution.setLocation("http://tuscany.apache.org/SystemContribution"); + ModelResolver modelResolver = new ExtensibleModelResolver(systemContribution, modelResolvers, modelFactories); + systemContribution.setModelResolver(modelResolver); + systemContribution.setUnresolved(true); + + // create an artifact to represent the system defintions and + // add it to the contribution + List<Artifact> artifacts = systemContribution.getArtifacts(); + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI("http://tuscany.apache.org/SystemContribution/Definitions"); + artifact.setLocation("Derived"); + artifact.setModel(systemDefinitions); + artifacts.add(artifact); + + inited = true; + + if (logger.isLoggable(Level.FINE)) { + long end = currentTimeMillis(); + logger.fine("The tuscany runtime started in " + (end - start) + " ms."); + } + } + + protected ExtensionPointRegistry createExtensionPointRegistry() { + return new DefaultExtensionPointRegistry(); + } + + Composite configureNode(NodeConfiguration configuration) throws Exception { + + List<Contribution> contributions = new ArrayList<Contribution>(); + + // Load the specified contributions + for (ContributionConfiguration contrib : configuration.getContributions()) { + URI contributionURI = createURI(contrib.getURI()); + + URI uri = createURI(contrib.getLocation()); + if (uri.getScheme() == null) { + uri = new File(contrib.getLocation()).toURI(); + } + URL contributionURL = uri.toURL(); + + // Load the contribution + logger.log(Level.INFO, "Loading contribution: " + contributionURL); + Contribution contribution = contributionProcessor.read(null, contributionURI, contributionURL); + contributions.add(contribution); + + boolean attached = false; + for (DeploymentComposite dc : contrib.getDeploymentComposites()) { + if (dc.getContent() != null) { + Reader xml = new StringReader(dc.getContent()); + attached = attachDeploymentComposite(contribution, xml, null, attached); + } else if (dc.getLocation() != null) { + URI dcURI = createURI(dc.getLocation()); + if (!dcURI.isAbsolute()) { + Composite composite = null; + // The location is pointing to an artifact within the contribution + for (Artifact a : contribution.getArtifacts()) { + if (dcURI.toString().equals(a.getURI())) { + composite = (Composite)a.getModel(); + if (!attached) { + contribution.getDeployables().clear(); + attached = true; + } + contribution.getDeployables().add(composite); + break; + } + } + if (composite == null) { + // Not found + throw new ServiceRuntimeException("Deployment composite " + dcURI + + " cannot be found within contribution " + + contribution.getLocation()); + } + } else { + URL url = dcURI.toURL(); + InputStream is = openStream(url); + Reader xml = new InputStreamReader(is, "UTF-8"); + attached = attachDeploymentComposite(contribution, xml, url.toString(), attached); + } + } + } + analyzeProblems(); + } + + // Build an aggregated SCA definitions model. Must be done before we try and + // resolve any contributions or composites as they may depend on the full + // definitions.xml picture + + // get all definitions.xml artifacts from contributions and aggregate + // into the system contribution. In turn add a default import into + // each contribution so that for unresolved items the resolution + // processing will look in the system contribution + for (Contribution contribution: contributions) { + // aggregate definitions + for (Artifact artifact : contribution.getArtifacts()) { + Object model = artifact.getModel(); + if (model instanceof Definitions) { + DefinitionsUtil.aggregate((Definitions)model, systemDefinitions); + } + } + + // create a default import and wire it up to the system contribution + // model resolver. This is the trick that makes the resolution processing + // skip over to the system contribution if resolution is unsuccessful + // in the current contribution + DefaultImport defaultImport = contributionFactory.createDefaultImport(); + defaultImport.setModelResolver(systemContribution.getModelResolver()); + contribution.getImports().add(defaultImport); + } + + ExtensibleModelResolver modelResolver = new ExtensibleModelResolver(new Contributions(contributions), modelResolvers, modelFactories); + + // now resolve and add the system contribution + contributionProcessor.resolve(systemContribution, modelResolver); + contributions.add(systemContribution); + + // TODO - Now we can calculate applicable policy sets for each composite + + // pre-resolve the contributions + contributionsPreresolve(contributions, modelResolver); + + // Build the contribution dependencies + Set<Contribution> resolved = new HashSet<Contribution>(); + for (Contribution contribution: contributions) { + buildDependencies(contribution, contributions, monitor); + + // Resolve contributions + for (Contribution dependency: contribution.getDependencies()) { + if (!resolved.contains(dependency)) { + resolved.add(dependency); + contributionProcessor.resolve(dependency, modelResolver); + } + } + } + + // Create a top level composite to host our composite + // This is temporary to make the activator happy + Composite tempComposite = assemblyFactory.createComposite(); + tempComposite.setName(new QName(SCA11_TUSCANY_NS, "_tempComposite")); + tempComposite.setURI(SCA11_TUSCANY_NS); + + for (Contribution contribution : contributions) { + for (Composite composite : contribution.getDeployables()) { + + // Build the composite and wire the components included in it + compositeBuilder.build(composite, systemDefinitions, monitor); + analyzeProblems(); + + // build the endpoint references + endpointReferenceBuilder.build(composite, systemDefinitions, monitor); + analyzeProblems(); + + // Include the node composite in the top-level composite + tempComposite.getIncludes().add(composite); + + } + + } + + return tempComposite; + + } + + protected static class NodeKey { + private String domainURI; + private String nodeURI; + + public NodeKey(NodeConfiguration configuration) { + this.domainURI = configuration.getDomainURI(); + this.nodeURI = configuration.getURI(); + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((domainURI == null) ? 0 : domainURI.hashCode()); + result = prime * result + ((nodeURI == null) ? 0 : nodeURI.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + NodeKey other = (NodeKey)obj; + if (domainURI == null) { + if (other.domainURI != null) + return false; + } else if (!domainURI.equals(other.domainURI)) + return false; + if (nodeURI == null) { + if (other.nodeURI != null) + return false; + } else if (!nodeURI.equals(other.nodeURI)) + return false; + return true; + } + + public String toString() { + StringBuffer buf = new StringBuffer(); + if (domainURI != null) { + buf.append("{").append(domainURI).append("}"); + } + if (nodeURI != null) { + buf.append(nodeURI); + } + return buf.toString(); + } + } +} diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java new file mode 100644 index 0000000000..6737a16d3a --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java @@ -0,0 +1,236 @@ +/* + * 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.node.impl; + +import java.util.ArrayList; +import java.util.List; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.CompositeService; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.assembly.ActivationException; +import org.apache.tuscany.sca.core.assembly.CompositeActivator; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.node.Client; +import org.apache.tuscany.sca.node.Node; +import org.apache.tuscany.sca.node.NodeFinder; +import org.apache.tuscany.sca.node.configuration.NodeConfiguration; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentContext; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.oasisopen.sca.CallableReference; +import org.oasisopen.sca.ServiceReference; +import org.oasisopen.sca.ServiceRuntimeException; +import org.oasisopen.sca.ServiceUnavailableException; + +/** + * An SCA Node that is managed by the NodeManager + */ +public class NodeImpl implements Node, Client { + private static final Logger logger = Logger.getLogger(NodeImpl.class.getName()); + private ProxyFactory proxyFactory; + private CompositeActivator compositeActivator; + private NodeConfiguration configuration; + private NodeFactoryImpl manager; + + public NodeImpl(NodeFactoryImpl manager, NodeConfiguration configuration) { + super(); + this.configuration = configuration; + this.manager = manager; + } + + public void destroy() { + } + + public Node start() { + logger.log(Level.INFO, "Starting node: " + configuration.getURI()); + + manager.init(); + manager.addNode(configuration, this); + this.proxyFactory = manager.proxyFactory; + this.compositeActivator = + manager.extensionPoints.getExtensionPoint(UtilityExtensionPoint.class).getUtility(CompositeActivator.class, + true); + try { + + compositeActivator.setDomainComposite(manager.configureNode(configuration)); + for (Composite composite : compositeActivator.getDomainComposite().getIncludes()) { + // Activate the composite + compositeActivator.activate(composite); + + // Start the composite + compositeActivator.start(composite); + } + + NodeFinder.addNode(NodeUtil.createURI(configuration.getDomainURI()), this); + + return this; + + } catch (Exception e) { + throw new IllegalStateException(e); + } + + } + + public void stop() { + logger.log(Level.INFO, "Stopping node: " + configuration.getURI()); + + try { + if (compositeActivator == null) { + return; + } + NodeFinder.removeNode(this); + if( compositeActivator.getDomainComposite() != null ) { + List<Composite> composites = compositeActivator.getDomainComposite().getIncludes(); + for (Composite composite : composites) { + + // Stop the composite + compositeActivator.stop(composite); + + // Deactivate the composite + compositeActivator.deactivate(composite); + + } // end for + composites.clear(); + } // end if + + manager.removeNode(configuration); + this.compositeActivator = null; + this.proxyFactory = null; + + } catch (ActivationException e) { + throw new IllegalStateException(e); + } + + } + + @SuppressWarnings("unchecked") + public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { + return (R)proxyFactory.cast(target); + } + + public <B> B getService(Class<B> businessInterface, String serviceName) { + + ServiceReference<B> serviceReference = getServiceReference(businessInterface, serviceName); + if (serviceReference == null) { + throw new ServiceRuntimeException("Service not found: " + serviceName); + } + return serviceReference.getService(); + } + + public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String name) { + + // Extract the component name + String componentName; + String serviceName; + int i = name.indexOf('/'); + if (i != -1) { + componentName = name.substring(0, i); + serviceName = name.substring(i + 1); + + } else { + componentName = name; + serviceName = null; + } + + // Lookup the component + Component component = null; + + for (Composite composite : compositeActivator.getDomainComposite().getIncludes()) { + for (Component compositeComponent : composite.getComponents()) { + if (compositeComponent.getName().equals(componentName)) { + component = compositeComponent; + } + } + } + + if (component == null) { + throw new ServiceUnavailableException("The service " + name + " has not been contributed to the domain"); + } + RuntimeComponentContext componentContext = null; + + // If the component is a composite, then we need to find the + // non-composite component that provides the requested service + if (component.getImplementation() instanceof Composite) { + for (ComponentService componentService : component.getServices()) { + if (serviceName == null || serviceName.equals(componentService.getName())) { + CompositeService compositeService = (CompositeService)componentService.getService(); + if (compositeService != null) { + componentContext = + ((RuntimeComponent)compositeService.getPromotedComponent()).getComponentContext(); + return componentContext.createSelfReference(businessInterface, compositeService + .getPromotedService()); + } + break; + } + } + // No matching service found + throw new ServiceRuntimeException("Composite service not found: " + name); + } else { + componentContext = ((RuntimeComponent)component).getComponentContext(); + if (serviceName != null) { + return componentContext.createSelfReference(businessInterface, serviceName); + } else { + return componentContext.createSelfReference(businessInterface); + } + } + } + + public NodeConfiguration getConfiguration() { + return configuration; + } + + public ExtensionPointRegistry getExtensionPoints() { + return manager.getExtensionPoints(); + } + + /** + * Get the service endpoints in this Node + * TODO: needs review, works for the very simple testcase but i expect there are + * other endpoints to be included + */ + public List<Endpoint> getServiceEndpoints() { + List<Endpoint> endpoints = new ArrayList<Endpoint>(); + if (compositeActivator != null) { + Composite domainComposite = compositeActivator.getDomainComposite(); + if (domainComposite != null) { + for (Composite composite : domainComposite.getIncludes()) { + for (Component component : composite.getComponents()) { + for (Service service : component.getServices()) { + // MJE 28/05/2009 - changed to RuntimeComponentService from RuntimeComponentServiceImpl + // - no need to access the Impl directly here + if (service instanceof RuntimeComponentService) { + endpoints.addAll(((RuntimeComponentService)service).getEndpoints()); + } + } + } + } + } + } + return endpoints; + } +} diff --git a/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeUtil.java b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeUtil.java new file mode 100644 index 0000000000..8bf3ea8b04 --- /dev/null +++ b/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeUtil.java @@ -0,0 +1,91 @@ +/* + * 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.node.impl; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLConnection; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; + +/** + * NodeUtil + * + * @version $Rev: $ $Date: $ + */ +public class NodeUtil { + + private NodeUtil() { + } + + static Contribution contribution(ContributionFactory contributionFactory, org.apache.tuscany.sca.node.Contribution c) { + Contribution contribution = contributionFactory.createContribution(); + contribution.setURI(c.getURI()); + contribution.setLocation(c.getLocation()); + contribution.setUnresolved(true); + return contribution; + } + + /** + * Open a URL connection without cache + * @param url + * @return + * @throws IOException + */ + static InputStream openStream(URL url) throws IOException { + InputStream is = null; + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + is = connection.getInputStream(); + return is; + } + + /** + * Escape the space in URL string + * @param uri + * @return + */ + static URI createURI(String uri) { + if (uri == null) { + return null; + } + if (uri.indexOf('%') != -1) { + // Avoid double-escaping + return URI.create(uri); + } + int index = uri.indexOf(':'); + String scheme = null; + String ssp = uri; + if (index != -1) { + scheme = uri.substring(0, index); + ssp = uri.substring(index + 1); + } + try { + return new URI(scheme, ssp, null); + } catch (URISyntaxException e) { + throw new IllegalArgumentException(e); + } + } + +} |