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Posted to commits@tuscany.apache.org by rf...@apache.org on 2009/04/21 02:23:20 UTC
svn commit: r766927 - in /tuscany/java/sca/modules/implementation-osgi/src:
main/java/org/apache/tuscany/sca/implementation/osgi/xml/
test/java/org/apache/tuscany/sca/implementation/osgi/xml/
Author: rfeng
Date: Tue Apr 21 00:23:20 2009
New Revision: 766927
URL: http://svn.apache.org/viewvc?rev=766927&view=rev
Log:
Add code to read the RFC 124 components file to build SCA componentType
Added:
tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessor.java
tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessorTestCase.java
Added: tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessor.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessor.java?rev=766927&view=auto
==============================================================================
--- tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessor.java (added)
+++ tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessor.java Tue Apr 21 00:23:20 2009
@@ -0,0 +1,146 @@
+/*
+ * 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.implementation.osgi.xml;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+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.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/*
+<!-- A sample module-context.xml for OSGI RFC 124 (BluePrint Service) -->
+<components xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
+ <component id="CalculatorComponent" class="calculator.dosgi.impl.CalculatorServiceImpl">
+ <property name="addService" ref="AddService" />
+ <property name="subtractService" ref="SubtractService" />
+ <property name="multiplyService" ref="MultiplyService" />
+ <property name="divideService" ref="DivideService" />
+ </component>
+
+ <!-- We can derive the SCA services for the implementation.osgi -->
+ <service id="CalculatorService" ref="CalculatorComponent" interface="calculator.dosgi.CalculatorService">
+ </service>
+
+ <!-- We can derive the SCA references for the implementation.osgi -->
+ <reference id="AddService" interface="calculator.dosgi.operations.AddService">
+ </reference>
+ <reference id="SubtractService" interface="calculator.dosgi.operations.SubtractService">
+ </reference>
+ <reference id="MultiplyService" interface="calculator.dosgi.operations.MultiplyService">
+ </reference>
+ <reference id="DivideService" interface="calculator.dosgi.operations.DivideService">
+ </reference>
+
+</components>
+*/
+public class BluePrintComponentsProcessor implements StAXArtifactProcessor<ComponentType> {
+ private static final String BLUE_PRINT_NS = "http://www.osgi.org/xmlns/blueprint/v1.0.0";
+ private static final String COMPOMENTS = "components";
+ private static final QName COMPONENTS_QNAME = new QName(BLUE_PRINT_NS, COMPOMENTS);
+
+ private AssemblyFactory factory;
+ private JavaInterfaceFactory javaInterfaceFactory;
+ private Monitor monitor;
+
+ public BluePrintComponentsProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) {
+ this.monitor = monitor;
+ this.factory = modelFactories.getFactory(AssemblyFactory.class);
+ this.javaInterfaceFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
+ }
+
+ public ComponentType read(XMLStreamReader reader) throws XMLStreamException {
+ int event = reader.getEventType();
+ ComponentType componentType = factory.createComponentType();
+ while (true) {
+ switch (event) {
+ case XMLStreamConstants.START_ELEMENT:
+ QName name = reader.getName();
+ if (COMPONENTS_QNAME.equals(name)) {
+ //
+ } else if ("reference".equals(name.getLocalPart())) {
+ Reference ref = factory.createReference();
+ ref.setName(reader.getAttributeValue(null, "id"));
+ String interfaceName = reader.getAttributeValue(null, "interface");
+ InterfaceContract interfaceContract = javaInterfaceFactory.createJavaInterfaceContract();
+ ref.setInterfaceContract(interfaceContract);
+ JavaInterface javaInterface = javaInterfaceFactory.createJavaInterface();
+ javaInterface.setUnresolved(true);
+ javaInterface.setName(interfaceName);
+ interfaceContract.setInterface(javaInterface);
+ componentType.getReferences().add(ref);
+ } else if ("service".equals(name.getLocalPart())) {
+ Service service = factory.createService();
+ String interfaceName = reader.getAttributeValue(null, "interface");
+ InterfaceContract interfaceContract = javaInterfaceFactory.createJavaInterfaceContract();
+ service.setInterfaceContract(interfaceContract);
+ JavaInterface javaInterface = javaInterfaceFactory.createJavaInterface();
+ javaInterface.setUnresolved(true);
+ javaInterface.setName(interfaceName);
+ interfaceContract.setInterface(javaInterface);
+ componentType.getServices().add(service);
+ }
+ break;
+ case XMLStreamConstants.END_ELEMENT:
+ name = reader.getName();
+ if (COMPONENTS_QNAME.equals(name)) {
+ return componentType;
+ }
+ break;
+ }
+ if (reader.hasNext()) {
+ event = reader.next();
+ } else {
+ return componentType;
+ }
+ }
+ }
+
+ public QName getArtifactType() {
+ return COMPONENTS_QNAME;
+ }
+
+ public void write(ComponentType model, XMLStreamWriter writer) throws ContributionWriteException,
+ XMLStreamException {
+ // TODO: To be implemented
+ }
+
+ public Class<ComponentType> getModelType() {
+ return ComponentType.class;
+ }
+
+ public void resolve(ComponentType model, ModelResolver resolver) throws ContributionResolveException {
+ // TODO: To be implemented
+ }
+}
Added: tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessorTestCase.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessorTestCase.java?rev=766927&view=auto
==============================================================================
--- tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessorTestCase.java (added)
+++ tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/BluePrintComponentsProcessorTestCase.java Tue Apr 21 00:23:20 2009
@@ -0,0 +1,89 @@
+/*
+ * 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.implementation.osgi.xml;
+
+import java.io.StringReader;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.DefaultFactoryExtensionPoint;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ *
+ */
+public class BluePrintComponentsProcessorTestCase {
+ private static final String xml =
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "<components xmlns=\"http://www.osgi.org/xmlns/blueprint/v1.0.0\">"
+ + "<component id=\"CalculatorComponent\" class=\"calculator.dosgi.impl.CalculatorServiceImpl\">"
+ + "<property name=\"addService\" ref=\"AddService\" />"
+ + "<property name=\"subtractService\" ref=\"SubtractService\" />"
+ + "<property name=\"multiplyService\" ref=\"MultiplyService\" />"
+ + "<property name=\"divideService\" ref=\"DivideService\" />"
+ + "</component>"
+ + "<service id=\"CalculatorService\" ref=\"CalculatorComponent\" interface=\"calculator.dosgi.CalculatorService\">"
+ + "</service>"
+ + "<reference id=\"AddService\" interface=\"calculator.dosgi.operations.AddService\">"
+ + "</reference>"
+ + "<reference id=\"SubtractService\" interface=\"calculator.dosgi.operations.SubtractService\">"
+ + "</reference>"
+ + "<reference id=\"MultiplyService\" interface=\"calculator.dosgi.operations.MultiplyService\">"
+ + "</reference>"
+ + "<reference id=\"DivideService\" interface=\"calculator.dosgi.operations.DivideService\">"
+ + "</reference>"
+ + "</components>";
+ private static XMLStreamReader reader;
+
+ /**
+ * @throws java.lang.Exception
+ */
+ @BeforeClass
+ public static void setUpBeforeClass() throws Exception {
+ XMLInputFactory factory = XMLInputFactory.newInstance();
+ reader = factory.createXMLStreamReader(new StringReader(xml));
+ }
+
+ @Test
+ public void testLoad() throws Exception {
+ BluePrintComponentsProcessor processor =
+ new BluePrintComponentsProcessor(new DefaultFactoryExtensionPoint(new DefaultExtensionPointRegistry()),
+ null);
+ ComponentType ct = processor.read(reader);
+ Assert.assertEquals(1, ct.getServices().size());
+ Assert.assertEquals(4, ct.getReferences().size());
+ }
+
+ /**
+ * @throws java.lang.Exception
+ */
+ @AfterClass
+ public static void tearDownAfterClass() throws Exception {
+ if (reader != null) {
+ reader.close();
+ }
+ }
+
+}