Author: rfeng
Date: Tue Apr 21 00:08:36 2009
New Revision: 766923
URL: http://svn.apache.org/viewvc?rev=766923&view=rev
Log:
Add code to read the OSGi DS component file to build SCA componentType
Added:
tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java
tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessorTestCase.java
Added:
tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java
URL:
http://svn.apache.org/viewvc/tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java?rev=766923&view=auto
==============================================================================
---
tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java
(added)
+++
tuscany/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java
Tue Apr 21 00:08:36 2009
@@ -0,0 +1,175 @@
+/*
+ * 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.Property;
+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;
+
+/*
+<scr:component name="CalculatorComponent"
+ xmlns:scr="http://www.osgi.org/xmlns/scr/v1.0.0";>
+ <implementation class="calculator.dosgi.CalculatorServiceDSImpl" />
+ <service>
+ <provide interface="calculator.dosgi.CalculatorService" />
+ </service>
+
+ <reference name="addService"
interface="calculator.dosgi.operations.AddService" bind="setAddService"
unbind="unsetAddService"
+ policy="dynamic" />
+ <reference name="subtractService"
interface="calculator.dosgi.operations.SubtractService"
bind="setSubtractService"
+ unbind="unsetSubtractService" policy="dynamic" />
+ <reference name="multiplyService"
interface="calculator.dosgi.operations.MultiplyService"
bind="setMultiplyService"
+ unbind="unsetMultiplyService" policy="dynamic" />
+ <reference name="divideService"
interface="calculator.dosgi.operations.DivideService" bind="setDivideService"
+ unbind="unsetDivideService" policy="dynamic" />
+
+</scr:component>
+*/
+public class OSGiComponentProcessor implements
StAXArtifactProcessor<ComponentType> {
+ private static final String OSGI_SCR_NS =
"http://www.osgi.org/xmlns/scr/v1.0.0";;
+ private static final String COMPOMENT = "component";
+ private static final QName COMPONENT_QNAME = new QName(OSGI_SCR_NS,
COMPOMENT);
+
+ private AssemblyFactory factory;
+ private JavaInterfaceFactory javaInterfaceFactory;
+ private Monitor monitor;
+
+ public OSGiComponentProcessor(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 (COMPONENT_QNAME.equals(name)) {
+ //
+ } else if ("reference".equals(name.getLocalPart())) {
+ Reference ref = factory.createReference();
+ ref.setName(reader.getAttributeValue(null, "name"));
+ 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 ("provide".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);
+ } else if ("property".equals(name.getLocalPart())) {
+ String propName = reader.getAttributeValue(null,
"name");
+ String propValue = reader.getAttributeValue(null,
"value");
+ String propType = reader.getAttributeValue(null,
"type");
+ if (propType == null) {
+ propType = "String";
+ }
+ if (propValue == null) {
+ propValue = reader.getElementText();
+ }
+ if (propValue != null) {
+ propValue = propValue.trim();
+ }
+ Object prop = propValue;
+ if ("Integer".equals(propType)) {
+ prop = Integer.valueOf(propValue);
+ } else if ("Long".equals(propType)) {
+ prop = Long.valueOf(propValue);
+ } else if ("Float".equals(propType)) {
+ prop = Float.valueOf(propValue);
+ } else if ("Double".equals(propType)) {
+ prop = Double.valueOf(propValue);
+ } else if ("Short".equals(propType)) {
+ prop = Short.valueOf(propValue);
+ } else if ("Character".equals(propType)) {
+ prop = propValue.charAt(0);
+ } else if ("Byte".equals(propType)) {
+ prop = Byte.valueOf(propValue);
+ } else if ("Boolean".equals(propType)) {
+ prop = Boolean.valueOf(propValue);
+ }
+ Property property = factory.createProperty();
+ property.setName(propName);
+ property.setValue(prop);
+ componentType.getProperties().add(property);
+ }
+ break;
+ case XMLStreamConstants.END_ELEMENT:
+ name = reader.getName();
+ if (COMPONENT_QNAME.equals(name)) {
+ return componentType;
+ }
+ break;
+ }
+ if (reader.hasNext()) {
+ event = reader.next();
+ } else {
+ return componentType;
+ }
+ }
+ }
+
+ public QName getArtifactType() {
+ return COMPONENT_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/OSGiComponentProcessorTestCase.java
URL:
http://svn.apache.org/viewvc/tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessorTestCase.java?rev=766923&view=auto
==============================================================================
---
tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessorTestCase.java
(added)
+++
tuscany/java/sca/modules/implementation-osgi/src/test/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessorTestCase.java
Tue Apr 21 00:08:36 2009
@@ -0,0 +1,86 @@
+/*
+ * 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 OSGiComponentProcessorTestCase {
+ private static final String xml =
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "<scr:component
name=\"CalculatorComponent\""
+ + " xmlns:scr=\"http://www.osgi.org/xmlns/scr/v1.0.0\";>"
+ + "<implementation
class=\"calculator.dosgi.CalculatorServiceDSImpl\" />"
+ + "<service>"
+ + "<provide interface=\"calculator.dosgi.CalculatorService\" />"
+ + "</service>"
+ + "<reference name=\"addService\"
interface=\"calculator.dosgi.operations.AddService\""
+ + " bind=\"setAddService\" unbind=\"unsetAddService\"
policy=\"dynamic\" />"
+ + "<reference name=\"subtractService\"
interface=\"calculator.dosgi.operations.SubtractService\""
+ + " bind=\"setSubtractService\" unbind=\"unsetSubtractService\"
policy=\"dynamic\" />"
+ + "<reference name=\"multiplyService\"
interface=\"calculator.dosgi.operations.MultiplyService\""
+ + " bind=\"setMultiplyService\" unbind=\"unsetMultiplyService\"
policy=\"dynamic\" />"
+ + "<reference name=\"divideService\"
interface=\"calculator.dosgi.operations.DivideService\""
+ + " bind=\"setDivideService\" unbind=\"unsetDivideService\"
policy=\"dynamic\" />"
+ + "</scr:component>";
+
+ 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 {
+ OSGiComponentProcessor processor =
+ new OSGiComponentProcessor(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();
+ }
+ }
+
+}
