FELIX-3551 : Support the DS annotations
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1349925 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/scrplugin/ds-annotations/.classpath b/scrplugin/ds-annotations/.classpath
new file mode 100644
index 0000000..30daf94
--- /dev/null
+++ b/scrplugin/ds-annotations/.classpath
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry kind="src" output="target/classes" path="src/main/java"/>
+ <classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
+ <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+ <classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER"/>
+ <classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/scrplugin/ds-annotations/.project b/scrplugin/ds-annotations/.project
new file mode 100644
index 0000000..afadbf1
--- /dev/null
+++ b/scrplugin/ds-annotations/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>org.apache.felix.scr.spec-annotations</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.jdt.core.javabuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.m2e.core.maven2Builder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>org.eclipse.jdt.core.javanature</nature>
+ <nature>org.eclipse.m2e.core.maven2Nature</nature>
+ </natures>
+</projectDescription>
diff --git a/scrplugin/ds-annotations/.settings/org.eclipse.core.resources.prefs b/scrplugin/ds-annotations/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..d3c1df2
--- /dev/null
+++ b/scrplugin/ds-annotations/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding//src/main/resources=UTF-8
diff --git a/scrplugin/ds-annotations/.settings/org.eclipse.jdt.core.prefs b/scrplugin/ds-annotations/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..abec6ca
--- /dev/null
+++ b/scrplugin/ds-annotations/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
+org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.5
diff --git a/scrplugin/ds-annotations/.settings/org.eclipse.m2e.core.prefs b/scrplugin/ds-annotations/.settings/org.eclipse.m2e.core.prefs
new file mode 100644
index 0000000..f897a7f
--- /dev/null
+++ b/scrplugin/ds-annotations/.settings/org.eclipse.m2e.core.prefs
@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1
diff --git a/scrplugin/ds-annotations/DEPENDENCIES b/scrplugin/ds-annotations/DEPENDENCIES
new file mode 100644
index 0000000..a58a9e8
--- /dev/null
+++ b/scrplugin/ds-annotations/DEPENDENCIES
@@ -0,0 +1,20 @@
+Apache Felix SCR DS Annotations
+Copyright 2012 The Apache Software Foundation
+
+This software was developed at the Apache Software Foundation
+(http://www.apache.org) and may have dependencies on other
+Apache software licensed under Apache License 2.0.
+
+I. Included Third-Party Software
+
+
+II. Used Third-Party Software
+
+This product uses software developed at
+The OSGi Alliance (http://www.osgi.org/).
+Copyright (c) OSGi Alliance (2000, 2012).
+Licensed under the Apache License 2.0.
+
+
+III. License Summary
+- Apache License 2.0
diff --git a/scrplugin/ds-annotations/LICENSE b/scrplugin/ds-annotations/LICENSE
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/scrplugin/ds-annotations/LICENSE
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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+ any Contribution intentionally submitted for inclusion in the Work
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+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
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diff --git a/scrplugin/ds-annotations/NOTICE b/scrplugin/ds-annotations/NOTICE
new file mode 100644
index 0000000..bed91c8
--- /dev/null
+++ b/scrplugin/ds-annotations/NOTICE
@@ -0,0 +1,6 @@
+Apache Felix SCR DS Annotations
+Copyright 2012 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+Licensed under the Apache License 2.0.
diff --git a/scrplugin/ds-annotations/pom.xml b/scrplugin/ds-annotations/pom.xml
new file mode 100644
index 0000000..fb3e1ac
--- /dev/null
+++ b/scrplugin/ds-annotations/pom.xml
@@ -0,0 +1,92 @@
+<!--
+ 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <artifactId>felix-parent</artifactId>
+ <groupId>org.apache.felix</groupId>
+ <version>1.2.0</version>
+ <relativePath>../pom/pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.felix</groupId>
+ <artifactId>org.apache.felix.scr.ds-annotations</artifactId>
+
+ <!-- We use the same major version as the spec. -->
+ <version>1.2.0-SNAPSHOT</version>
+ <packaging>jar</packaging>
+
+ <name>Annotations for DS</name>
+ <description>
+ Annotations for generating OSGi service descriptors.
+ </description>
+
+ <scm>
+ <connection>scm:svn:http://svn.apache.org/repos/asf/felix/trunk/scrplugin/ds-annotations</connection>
+ <developerConnection>scm:svn:https://svn.apache.org/repos/asf/felix/trunk/scrplugin/ds-annotations</developerConnection>
+ <url>http://svn.apache.org/repos/asf/felix/scrplugin/ds-annotations</url>
+ </scm>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>org.apache.felix.scr.generator</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.compendium</artifactId>
+ <version>4.3.0</version>
+ <scope>provided</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <resources>
+ <resource>
+ <directory>${basedir}/src/main/resources</directory>
+ </resource>
+ <resource>
+ <targetPath>META-INF</targetPath>
+ <directory>${basedir}</directory>
+ <includes>
+ <include>LICENSE</include>
+ <include>NOTICE</include>
+ <include>DEPENDENCIES</include>
+ </includes>
+ </resource>
+ </resources>
+ <plugins>
+
+ <!-- JDK 1.5 needed for annotation support -->
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>1.5</source>
+ <target>1.5</target>
+ </configuration>
+ </plugin>
+
+ </plugins>
+ </build>
+
+</project>
diff --git a/scrplugin/ds-annotations/src/main/java/org/apache/felix/scrplugin/ds/DSAnnotationProcessor.java b/scrplugin/ds-annotations/src/main/java/org/apache/felix/scrplugin/ds/DSAnnotationProcessor.java
new file mode 100644
index 0000000..780bf70
--- /dev/null
+++ b/scrplugin/ds-annotations/src/main/java/org/apache/felix/scrplugin/ds/DSAnnotationProcessor.java
@@ -0,0 +1,274 @@
+/*
+ * 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.felix.scrplugin.ds;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.felix.scrplugin.SCRDescriptorException;
+import org.apache.felix.scrplugin.SCRDescriptorFailureException;
+import org.apache.felix.scrplugin.annotations.AnnotationProcessor;
+import org.apache.felix.scrplugin.annotations.ClassAnnotation;
+import org.apache.felix.scrplugin.annotations.MethodAnnotation;
+import org.apache.felix.scrplugin.annotations.ScannedClass;
+import org.apache.felix.scrplugin.description.ClassDescription;
+import org.apache.felix.scrplugin.description.ComponentConfigurationPolicy;
+import org.apache.felix.scrplugin.description.ComponentDescription;
+import org.apache.felix.scrplugin.description.MethodDescription;
+import org.apache.felix.scrplugin.description.ReferenceCardinality;
+import org.apache.felix.scrplugin.description.ReferenceDescription;
+import org.apache.felix.scrplugin.description.ReferencePolicy;
+import org.apache.felix.scrplugin.description.ReferenceStrategy;
+import org.apache.felix.scrplugin.description.ServiceDescription;
+import org.apache.felix.scrplugin.description.SpecVersion;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Modified;
+import org.osgi.service.component.annotations.Reference;
+
+/**
+ * This is the processor for the DS annotations.
+ */
+public class DSAnnotationProcessor implements AnnotationProcessor {
+
+ /**
+ * @see org.apache.felix.scrplugin.annotations.AnnotationProcessor#process(org.apache.felix.scrplugin.annotations.ScannedClass, org.apache.felix.scrplugin.description.ClassDescription)
+ */
+ public void process(final ScannedClass scannedClass,
+ final ClassDescription describedClass)
+ throws SCRDescriptorFailureException, SCRDescriptorException {
+ final List<ClassAnnotation> componentTags = scannedClass.getClassAnnotations(Component.class.getName());
+ scannedClass.processed(componentTags);
+
+ for (final ClassAnnotation cad : componentTags) {
+ this.createComponent(cad, describedClass, scannedClass);
+ }
+
+ // search for the component descriptions and use the first one
+ final List<ComponentDescription> componentDescs = describedClass.getDescriptions(ComponentDescription.class);
+ ComponentDescription found = null;
+ if (!componentDescs.isEmpty()) {
+ found = componentDescs.get(0);
+ }
+
+ if (found != null) {
+ final ComponentDescription cd = found;
+
+ // search for methods
+ final List<MethodAnnotation> methodTags = scannedClass.getMethodAnnotations(null);
+ for (final MethodAnnotation m : methodTags) {
+ if (m.getName().equals(Activate.class.getName())) {
+ cd.setActivate(new MethodDescription(m.getAnnotatedMethod()));
+ scannedClass.processed(m);
+ } else if (m.getName().equals(Deactivate.class.getName())) {
+ cd.setDeactivate(new MethodDescription(m.getAnnotatedMethod()));
+ scannedClass.processed(m);
+ } else if (m.getName().equals(Modified.class.getName())) {
+ cd.setModified(new MethodDescription(m.getAnnotatedMethod()));
+ scannedClass.processed(m);
+ } else if (m.getName().equals(Reference.class.getName()) ) {
+ this.processReference(describedClass, m);
+ scannedClass.processed(m);
+ }
+ }
+
+ }
+ }
+
+ /**
+ * @see org.apache.felix.scrplugin.annotations.AnnotationProcessor#getRanking()
+ */
+ public int getRanking() {
+ return 300;
+ }
+
+ /**
+ * Create a component description.
+ *
+ * @param cad The component annotation for the class.
+ * @param scannedClass The scanned class.
+ */
+ private ComponentDescription createComponent(final ClassAnnotation cad,
+ final ClassDescription describedClass,
+ final ScannedClass scannedClass)
+ throws SCRDescriptorException {
+ final ComponentDescription component = new ComponentDescription(cad);
+ describedClass.add(component);
+
+ // Although not defined in the spec, we support abstract classes.
+ final boolean classIsAbstract = Modifier.isAbstract(scannedClass.getClass().getModifiers());
+ component.setAbstract(classIsAbstract);
+
+ // name
+ component.setName(cad.getStringValue("name", scannedClass.getScannedClass().getName()));
+
+ // services
+ final List<String> listedInterfaces = new ArrayList<String>();
+ if (cad.getValue("service") != null) {
+ final String[] interfaces = (String[]) cad.getValue("service");
+ for (final String t : interfaces) {
+ listedInterfaces.add(t);
+ }
+ } else {
+ // scan directly implemented interfaces
+ this.searchInterfaces(listedInterfaces, scannedClass.getScannedClass());
+ }
+ if ( listedInterfaces.size() > 0 ) {
+ final ServiceDescription serviceDesc = new ServiceDescription(cad);
+ describedClass.add(serviceDesc);
+
+ for(final String name : listedInterfaces) {
+ serviceDesc.addInterface(name);
+ }
+ serviceDesc.setServiceFactory(cad.getBooleanValue("servicefactory", false));
+ }
+
+ // factory
+ component.setFactory(cad.getStringValue("factory", null));
+
+ // enabled
+ if (cad.getValue("enabled") != null) {
+ component.setEnabled(cad.getBooleanValue("enabled", true));
+ }
+
+ // immediate
+ if (cad.getValue("immediate") != null) {
+ component.setEnabled(cad.getBooleanValue("immediate", false));
+ }
+
+ // TODO: property/properties
+
+ // xmlns
+ if (cad.getValue("xmlns") != null) {
+ final SpecVersion spec = SpecVersion.fromNamespaceUrl(cad.getValue("xmlns").toString());
+ if ( spec == null ) {
+ throw new SCRDescriptorException("Unknown xmlns attribute value: " + cad.getValue("xmlns"),
+ describedClass.getSource(), -1);
+ }
+ component.setSpecVersion(spec);
+ }
+
+ // configuration policy
+ component.setConfigurationPolicy(ComponentConfigurationPolicy.valueOf(cad.getEnumValue("policy",
+ ComponentConfigurationPolicy.OPTIONAL.name())));
+
+ // configuration pid (TODO)
+ component.setCreatePid(cad.getBooleanValue("createPid", true));
+
+ // no inheritance
+ component.setInherit(false);
+
+ return component;
+ }
+
+ /**
+ * Get all directly implemented interfaces
+ */
+ private void searchInterfaces(final List<String> interfaceList, final Class<?> javaClass) {
+ final Class<?>[] interfaces = javaClass.getInterfaces();
+ for (final Class<?> i : interfaces) {
+ interfaceList.add(i.getName());
+ }
+ }
+
+ /**
+ * Process a reference
+ */
+ private void processReference(final ClassDescription describedClass, final MethodAnnotation ad) {
+ final ReferenceDescription ref = new ReferenceDescription(ad);
+ describedClass.add(ref);
+
+ ref.setStrategy(ReferenceStrategy.EVENT);
+
+ final String methodName = ad.getAnnotatedMethod().getName();
+ final String defaultUnbindMethodName;
+ final String refNameByMethod;
+ if ( methodName.startsWith("add") ) {
+ refNameByMethod = methodName.substring(3);
+ defaultUnbindMethodName = "remove" + refNameByMethod;
+ } else if ( methodName.startsWith("set") ) {
+ refNameByMethod = methodName.substring(3);
+ defaultUnbindMethodName = "un" + refNameByMethod;
+ } else if ( methodName.startsWith("bind") ) {
+ refNameByMethod = methodName.substring(4);
+ defaultUnbindMethodName = "un" + refNameByMethod;
+ } else {
+ refNameByMethod = methodName;
+ defaultUnbindMethodName = "un" + refNameByMethod;
+ }
+ final String defaultUpdateMethodName = "updated" + refNameByMethod;
+
+ // bind method
+ ref.setBind(new MethodDescription(ad.getAnnotatedMethod()));
+ // unbind method
+ final String unbind = ad.getStringValue("unbind",
+ this.hasMethod(describedClass, defaultUnbindMethodName) ? defaultUnbindMethodName : "-");
+ if ( !unbind.equals("-") ) {
+ ref.setUnbind(new MethodDescription(unbind));
+ }
+ // update method
+ final String update = ad.getStringValue("updated",
+ this.hasMethod(describedClass, defaultUpdateMethodName) ? defaultUpdateMethodName : "-");
+ if ( !update.equals("-") ) {
+ ref.setUpdated(new MethodDescription(update));
+ }
+
+ // name
+ ref.setName(ad.getStringValue("name", refNameByMethod));
+ // service
+ final String serviceName = ad.getStringValue("service", null);
+ if ( serviceName != null ) {
+ ref.setInterfaceName(serviceName);
+ } else {
+ final Class<?>[] params = ad.getAnnotatedMethod().getParameterTypes();
+ if ( params != null && params.length > 0 ) {
+ ref.setInterfaceName(params[0].getName());
+ }
+ }
+ // cardinality
+ final String cardinality = ad.getEnumValue("cardinality", "MANDATORY");
+ if ( cardinality.equals("OPTIONAL") ) {
+ ref.setCardinality(ReferenceCardinality.OPTIONAL_UNARY);
+ } else if ( cardinality.equals("MULTIPLE") ) {
+ ref.setCardinality(ReferenceCardinality.OPTIONAL_MULTIPLE);
+ } else if ( cardinality.equals("AT_LEAST_ONE") ) {
+ ref.setCardinality(ReferenceCardinality.MANDATORY_MULTIPLE);
+ } else {
+ ref.setCardinality(ReferenceCardinality.MANDATORY_UNARY);
+ }
+
+ // policy
+ ref.setPolicy(ReferencePolicy.valueOf(ad.getEnumValue("policy", ReferencePolicy.STATIC.name())));
+ // target
+ ref.setTarget(ad.getStringValue("target", null));
+ }
+
+ private boolean hasMethod(final ClassDescription classDescription, final String name) {
+ final Method[] allMethods = classDescription.getDescribedClass().getDeclaredMethods();
+ for(final Method m : allMethods) {
+ if ( m.getName().equals(name) ) {
+ return true;
+ }
+ }
+ return false;
+ }
+}
diff --git a/scrplugin/ds-annotations/src/main/resources/META-INF/services/org.apache.felix.scrplugin.annotations.AnnotationProcessor b/scrplugin/ds-annotations/src/main/resources/META-INF/services/org.apache.felix.scrplugin.annotations.AnnotationProcessor
new file mode 100644
index 0000000..8303823
--- /dev/null
+++ b/scrplugin/ds-annotations/src/main/resources/META-INF/services/org.apache.felix.scrplugin.annotations.AnnotationProcessor
@@ -0,0 +1 @@
+org.apache.felix.scrplugin.ds.DSAnnotationProcessor