From 6f41ef61af2268d5576448974ca447b597387e88 Mon Sep 17 00:00:00 2001 From: antelder Date: Tue, 16 Jun 2009 06:48:13 +0000 Subject: Create 2.0 M3 release branch git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@785089 13f79535-47bb-0310-9956-ffa450edef68 --- .../xml/NodeConfigurationATOMProcessor.java | 160 +++++ .../xml/NodeConfigurationProcessor.java | 240 ++++++++ .../configuration/xml/XMLStreamSerializer.java | 287 +++++++++ .../tuscany/sca/node/impl/Contributions.java | 160 +++++ .../tuscany/sca/node/impl/NodeFactoryImpl.java | 682 +++++++++++++++++++++ .../org/apache/tuscany/sca/node/impl/NodeImpl.java | 236 +++++++ .../org/apache/tuscany/sca/node/impl/NodeUtil.java | 91 +++ 7 files changed, 1856 insertions(+) create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationATOMProcessor.java create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/NodeConfigurationProcessor.java create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/XMLStreamSerializer.java create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/Contributions.java create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java create mode 100644 branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeUtil.java (limited to 'branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org') 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 { + + 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 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 + contribution = factory.createContributionConfiguration(); + } else if (ID_QNAME.equals(name)) { + + // Read an + id = true; + + } else if (LINK_QNAME.equals(name)) { + + // Read a + String href = getString(reader, HREF); + + if (contribution != null) { + contribution.setLocation(href); + } + } else if (CONTENT_QNAME.equals(name)) { + // Read a + } else if (FEED_QNAME.equals(name)) { + // Read a + } + break; + + case XMLStreamConstants.CHARACTERS: + + // Read characters inside an 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 { + 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 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 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 contributions = new ArrayList(); + private String location; + private String uri; + private Object model; + private byte[] contents; + private boolean unresolved; + private ModelResolver modelResolver; + private List dependencies = new ArrayList(); + + public Contributions(List 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 getContributions() { + return contributions; + } + + public List getArtifacts() { + return (List)(Object)contributions; + } + + public List getDependencies() { + return dependencies; + } + + public ClassLoader getClassLoader() { + //FIXME Remove later + return null; + } + + public void setClassLoader(ClassLoader classLoader) { + //FIXME Remove later + } + + public List getDeployables() { + List deployables = new ArrayList(); + for (Contribution contribution: contributions) { + deployables.addAll(contribution.getDeployables()); + } + return deployables; + } + + public List getExports() { + List exports = new ArrayList(); + for (Contribution contribution: contributions) { + exports.addAll(contribution.getExports()); + } + return exports; + } + + public List getImports() { + List imports = new ArrayList(); + 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 getAttributeExtensions() { + // TODO Auto-generated method stub + return null; + } + + public List getExtensions() { + // TODO Auto-generated method stub + return null; + } + + public Set 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 nodes = new ConcurrentHashMap(); + + private AssemblyFactory assemblyFactory; + private CompositeBuilder compositeBuilder; + private StAXArtifactProcessor compositeProcessor; + private ContributionFactory contributionFactory; + private ExtendedURLArtifactProcessor contributionProcessor; + private CompositeBuilder endpointReferenceBuilder; + protected ExtensionPointRegistry extensionPoints; + private XMLInputFactory inputFactory; + protected FactoryExtensionPoint modelFactories; + private ModelResolverExtensionPoint modelResolvers; + private List moduleActivators = new ArrayList(); + 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 + * @param factory + * @return + * @throws Exception + */ + private T getFactory(Class 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 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() { + 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 contributions, List dependencies, Set 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 matchingExports = new ArrayList(); + 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 contributions, Monitor monitor) { + contribution.getDependencies().clear(); + + List dependencies = new ArrayList(); + Set set = new HashSet(); + + 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 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) 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 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 contributions = new ArrayList(); + + // 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 resolved = new HashSet(); + 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 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 > R cast(B target) throws IllegalArgumentException { + return (R)proxyFactory.cast(target); + } + + public B getService(Class businessInterface, String serviceName) { + + ServiceReference serviceReference = getServiceReference(businessInterface, serviceName); + if (serviceReference == null) { + throw new ServiceRuntimeException("Service not found: " + serviceName); + } + return serviceReference.getService(); + } + + public ServiceReference getServiceReference(Class 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 getServiceEndpoints() { + List endpoints = new ArrayList(); + 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); + } + } + +} -- cgit v1.2.3