diff options
Diffstat (limited to 'sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org')
13 files changed, 1364 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/DefaultJavaImportExportFactory.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/DefaultJavaImportExportFactory.java new file mode 100644 index 0000000000..886c61c00a --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/DefaultJavaImportExportFactory.java @@ -0,0 +1,30 @@ +/* + * 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.contribution.java; + +import org.apache.tuscany.sca.contribution.java.impl.JavaImportExportFactoryImpl; + +/** + * Default Java Import/Export Factory implementation + * + * @version $Rev$ $Date$ + */ +public class DefaultJavaImportExportFactory extends JavaImportExportFactoryImpl implements JavaImportExportFactory { +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaExport.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaExport.java new file mode 100644 index 0000000000..41e93ec148 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaExport.java @@ -0,0 +1,43 @@ +/* + * 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.contribution.java; + +import org.apache.tuscany.sca.contribution.Export; + +/** + * Base Java Export model interface + * + * @version $Rev$ $Date$ + */ +public interface JavaExport extends Export { + /** + * Get java package that identifies the import + * + * @return The package name + */ + String getPackage(); + + /** + * Set java package that identifies the import + * + * @param packageName The package name + */ + void setPackage(String packageName); +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaImport.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaImport.java new file mode 100644 index 0000000000..d3568f6283 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaImport.java @@ -0,0 +1,58 @@ +/* + * 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.contribution.java; + +import org.apache.tuscany.sca.contribution.Import; + +/** + * Base Java Import model interface + * + * @version $Rev$ $Date$ + */ +public interface JavaImport extends Import { + + /** + * Get the location used to resolve the definitions for this import + * + * @return The import location + */ + String getLocation(); + + /** + * Set the location used to resolve the definitions for this import + * + * @param location The import location + */ + void setLocation(String location); + + /** + * Get java package that identifies the import + * + * @return The package name + */ + String getPackage(); + + /** + * Set java package that identifies the import + * + * @param packageName The package name + */ + void setPackage(String packageName); +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaImportExportFactory.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaImportExportFactory.java new file mode 100644 index 0000000000..ee94d889ad --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/JavaImportExportFactory.java @@ -0,0 +1,42 @@ +/* + * 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.contribution.java; + +/** + * Base Java Import/Export model factory + * + * @version $Rev$ $Date$ + */ +public interface JavaImportExportFactory { + + /** + * Create a java import model object + * + * @return The new JavaImport model object + */ + JavaImport createJavaImport(); + + /** + * Create a java export model object + * + * @return The new JavaExport model object + */ + JavaExport createJavaExport(); +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ClassReferenceModelResolver.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ClassReferenceModelResolver.java new file mode 100644 index 0000000000..4946002b14 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ClassReferenceModelResolver.java @@ -0,0 +1,134 @@ +/* + * 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.contribution.java.impl; + +import java.lang.ref.WeakReference; +import java.lang.reflect.Constructor; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A Model Resolver for ClassReferences. + * + * @version $Rev: 557916 $ $Date: 2007-07-20 01:04:40 -0700 (Fri, 20 Jul 2007) $ + */ +public class ClassReferenceModelResolver implements ModelResolver { + private Contribution contribution; + private WeakReference<ClassLoader> classLoader; + private Map<String, ClassReference> map = new HashMap<String, ClassReference>(); + + private ModelResolver osgiResolver; + + public ClassReferenceModelResolver(Contribution contribution, ModelFactoryExtensionPoint modelFactories) { + this.contribution = contribution; + if (this.contribution != null) { + ClassLoader cl = contribution.getClassLoader(); + if (contribution.getClassLoader() == null) { + cl = new ContributionClassLoader(contribution, null); + contribution.setClassLoader(cl); + } + this.classLoader = new WeakReference<ClassLoader>(cl); + } else { + // This path should be used only for unit testing. + this.classLoader = new WeakReference<ClassLoader>(this.getClass().getClassLoader()); + } + + try { + Class<?> osgiResolverClass = + Class.forName("org.apache.tuscany.sca.contribution.osgi.impl.OSGiClassReferenceModelResolver"); + if (osgiResolverClass != null) { + Constructor constructor = + osgiResolverClass.getConstructor(Contribution.class, ModelFactoryExtensionPoint.class); + this.osgiResolver = (ModelResolver)constructor.newInstance(contribution, modelFactories); + } + } catch (Throwable e) { + // Ignore error, non-OSGi classloading is used in this case + } + } + + public void addModel(Object resolved) { + ClassReference clazz = (ClassReference)resolved; + map.put(clazz.getClassName(), clazz); + } + + public Object removeModel(Object resolved) { + return map.remove(((ClassReference)resolved).getClassName()); + } + + + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + if (!(unresolved instanceof ClassReference)) { + return unresolved; + } + Object resolved = map.get(((ClassReference)unresolved).getClassName()); + + if (resolved != null) { + return modelClass.cast(resolved); + } + + //Load a class on demand + Class clazz = null; + + if (osgiResolver != null) { + resolved = osgiResolver.resolveModel(modelClass, unresolved); + clazz = ((ClassReference)resolved).getJavaClass(); + } + + if (clazz == null) { + try { + // Search contribution classloader (which has visibility of classes in the contribution + // as well as explicitly imported packages from other contributions) + clazz = Class.forName(((ClassReference)unresolved).getClassName(), true, classLoader.get()); + } catch (ClassNotFoundException e) { + } catch (NoClassDefFoundError e) { + } + } + + if (clazz != null) { + //if we load the class + // Store a new ClassReference wrappering the loaded class + ClassReference classReference = new ClassReference(clazz); + map.put(clazz.getName(), classReference); + + // Return the resolved ClassReference + return modelClass.cast(classReference); + } else { + return unresolved; + } + + } + + + /*************** + * Helper methods + ***************/ + + private String getPackageName(ClassReference clazz) { + int pos = clazz.getClassName().lastIndexOf("."); + return clazz.getClassName().substring(0, pos); + } + +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java new file mode 100644 index 0000000000..873a21a456 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java @@ -0,0 +1,382 @@ +/* + * 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.contribution.java.impl; + +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.Collection; +import java.util.Collections; +import java.util.Enumeration; +import java.util.HashSet; + +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.java.JavaImport; + + +public class ContributionClassLoader extends URLClassLoader { + + private Contribution contribution; + + + /** + * Constructor for contribution classloader + * + * @param contribution + * @param parent + * @throws MalformedURLException + */ + public ContributionClassLoader(Contribution contribution, ClassLoader parent) { + + // To enable contributions to access code outside of SCA contributions + // (typically by providing them on CLASSPATH), use the thread context + // classloader as the parent of all contribution classloaders. + + super(new URL[0], parent == null?Thread.currentThread().getContextClassLoader(): null); + this.contribution = contribution; + if (contribution.getLocation() != null) { + try { + this.addURL(new URL(contribution.getLocation())); + } catch (MalformedURLException e) { + throw new RuntimeException(e); + } + } + } + + /* + * Return the classloader corresponding to a contribution providing an export + * Create a new classloader for the contribution if one does not exist + */ + private ClassLoader getExportClassLoader(Contribution exportingContribution) { + ClassLoader cl = exportingContribution.getClassLoader(); + if (!(cl instanceof ContributionClassLoader)) { + + cl = new ContributionClassLoader(exportingContribution, cl); + exportingContribution.setClassLoader(cl); + } + return cl; + } + + /* (non-Javadoc) + * @see java.net.URLClassLoader#findClass(java.lang.String) + * + * Search path for class: + * This contribution + * Imported contributions + */ + @Override + protected Class<?> findClass(String className) throws ClassNotFoundException { + + Class<?> clazz = null; + try { + clazz = findClassFromContribution(className); + } catch (ClassNotFoundException e) { + + for (Import import_ : this.contribution.getImports()) { + if (classNameMatchesImport(className, import_)) { + // Delegate the resolution to the imported contribution + for (Contribution exportingContribution : ((JavaImportModelResolver)import_.getModelResolver()).getExportContributions()) { + + ClassLoader exportClassLoader = getExportClassLoader(exportingContribution); + if (exportClassLoader instanceof ContributionClassLoader) { + + for (Export export : exportingContribution.getExports()) { + try { + if (import_.match(export)) { + clazz = ((ContributionClassLoader)exportClassLoader).findClassFromContribution(className); + break; + } + } catch (ClassNotFoundException e1) { + continue; + } + + } + if (clazz != null) break; + } + } + if (clazz != null) break; + } + } + + if (clazz == null) throw e; + } + return clazz; + } + + + /* (non-Javadoc) + * @see java.lang.ClassLoader#loadClass(java.lang.String, boolean) + * + * Search path for class: + * Parent classloader + * This contribution + * Imported contributions + * + */ + @Override + protected synchronized Class<?> loadClass(String className, boolean resolveClass) + throws ClassNotFoundException { + + Class<?> clazz = null; + try { + + if (this.getParent() != null) + clazz = this.getParent().loadClass(className); + + } catch (ClassNotFoundException e) { + } + + if (clazz == null) + clazz = findClass(className); + + + if (resolveClass) + this.resolveClass(clazz); + return clazz; + + } + + + + /* + * (non-Javadoc) + * + * @see java.net.URLClassLoader#findResource(java.lang.String) + */ + @Override + public URL findResource(String name) { + + URL url = findResourceFromContribution(name); + + if (url == null) { + for (Import import_ : this.contribution.getImports()) { + if (resourceNameMatchesImport(name, import_)) { + // Delegate the resolution to the imported contribution + for (Contribution exportingContribution : ((JavaImportModelResolver)import_.getModelResolver()).getExportContributions()) { + + ClassLoader exportClassLoader = getExportClassLoader(exportingContribution); + if (exportClassLoader instanceof ContributionClassLoader) { + + for (Export export : exportingContribution.getExports()) { + if (import_.match(export)) { + url = ((ContributionClassLoader)exportClassLoader).findResourceFromContribution(name); + if (url != null) break; + } + } + if (url != null) break; + } + } + if (url != null) break; + } + } + + } + return url; + } + + + /* (non-Javadoc) + * @see java.net.URLClassLoader#findResources(java.lang.String) + */ + @Override + public Enumeration<URL> findResources(String name) throws IOException { + + return Collections.enumeration(findResourceSet(name)); + } + + + + + /* (non-Javadoc) + * @see java.lang.ClassLoader#getResource(java.lang.String) + * + * Find a resource. + * Search path for resource: + * Parent classloader + * This contribution + * Imported contributions + */ + @Override + public URL getResource(String resName) { + + URL resource = null; + + if (this.getParent() != null) { + resource = this.getParent().getResource(resName); + } + if (resource == null) + resource = findResource(resName); + + return resource; + } + + + + /* (non-Javadoc) + * @see java.lang.ClassLoader#getResources(java.lang.String) + * + * Return list of resources from this contribution, resources + * imported through imported contributions and resources from parent + * classloader. + */ + @Override + public Enumeration<URL> getResources(String resName) throws IOException { + + HashSet<URL> resourceSet = findResourceSet(resName); + addEnumerationToCollection(resourceSet, super.getResources(resName)); + + return Collections.enumeration(resourceSet); + } + + + /* + * Find set of resources + */ + private HashSet<URL> findResourceSet(String name) throws IOException { + + HashSet<URL> resources = new HashSet<URL>(); + + addEnumerationToCollection(resources, super.findResources(name)); + + for (Import import_ : this.contribution.getImports()) { + if (!(import_ instanceof JavaImport)) { + continue; + } + if (resourceNameMatchesImport(name, import_)) { + // Delegate the resolution to the imported contribution + for (Contribution exportingContribution : ((JavaImportModelResolver)import_.getModelResolver()).getExportContributions()) { + + ClassLoader exportClassLoader = getExportClassLoader(exportingContribution); + if (exportClassLoader instanceof ContributionClassLoader) { + + for (Export export : exportingContribution.getExports()) { + if (import_.match(export)) { + addEnumerationToCollection(resources, + ((ContributionClassLoader)exportClassLoader).findResources(name)); + } + } + } + } + } + } + + return resources; + } + + + /* + * Find class from contribution. If class has already been loaded, return loaded class. + */ + private Class<?> findClassFromContribution(String className) throws ClassNotFoundException { + + Class<?> clazz = findLoadedClass(className); + if (clazz == null) + clazz = super.findClass(className); + return clazz; + + } + + /* + * Find resource from contribution. + */ + private URL findResourceFromContribution(String name) { + + return super.findResource(name); + } + + /** + * Check if a class name matches an import statement. + * Class matches if the package name used in <import.java/> matches + * + * @param name Name of class + * @param import_ SCA contribution import + * @return true if this is a matching import + */ + private boolean classNameMatchesImport(String name, Import import_) { + + if (import_ instanceof JavaImport && name != null && name.lastIndexOf('.') > 0) { + JavaImport javaImport = (JavaImport) import_; + + String packageName = name.substring(0, name.lastIndexOf('.')); + if (javaImport.getPackage().endsWith(".*")) { + String prefix = javaImport.getPackage().substring(0, javaImport.getPackage().length() -1); + if (packageName.startsWith(prefix)) { + return true; + } + } else { + return packageName.equals(javaImport.getPackage()); + } + } + + return false; + } + + /** + * Check if a resource name matches an import statement. + * Resource matches if package/namespace match the directory of resource. + * + * @param name Name of resource + * @param import_ SCA contribution import + * @return true if this is a matching import + */ + private boolean resourceNameMatchesImport(String name, Import import_) { + + + if (name == null || name.lastIndexOf('/') <= 0) + return false; + else if (import_ instanceof JavaImport) { + JavaImport javaImport = (JavaImport) import_; + + if (javaImport.getPackage().endsWith(".*")) { + String packageName = name.substring(0, name.lastIndexOf('/')).replace('/', '.'); + String prefix = javaImport.getPackage().substring(0, javaImport.getPackage().length() -1); + if (packageName.startsWith(prefix)) { + return true; + } + } else { + // 'name' is a resource : contains "/" as separators + // Get package name from resource name + String packageName = name.substring(0, name.lastIndexOf('/')); + return packageName.equals(javaImport.getPackage().replaceAll("\\.", "/")); + } + } + return false; + } + + /* + * Add an enumeration to a Collection + */ + private <T extends Object> void addEnumerationToCollection(Collection<T> collection, Enumeration<T> enumeration) { + + while (enumeration.hasMoreElements()) + collection.add(enumeration.nextElement()); + } + + + @Override + public String toString() { + return "SCA contribution classloader for : " + contribution.getLocation(); + } + + +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportImpl.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportImpl.java new file mode 100644 index 0000000000..f35f35ac4c --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportImpl.java @@ -0,0 +1,58 @@ +/* + * 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.contribution.java.impl; + +import org.apache.tuscany.sca.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * Implementation of a Java Import model + * + * @version $Rev$ $Date$ + */ +public class JavaExportImpl implements JavaExport { + private ModelResolver modelResolver; + + /** + * Java package being exported + */ + private String packageName; + + public JavaExportImpl() { + super(); + } + + public String getPackage() { + return this.packageName; + } + + public void setPackage(String packageName) { + this.packageName = packageName; + } + + public ModelResolver getModelResolver() { + return modelResolver; + } + + public void setModelResolver(ModelResolver modelResolver) { + this.modelResolver = modelResolver; + } + +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java new file mode 100644 index 0000000000..840c4e2f02 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java @@ -0,0 +1,120 @@ +/* + * 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.contribution.java.impl; + +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.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImportExportFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + +/** + * Artifact processor for Java Export + * + * @version $Rev$ $Date$ + */ +public class JavaExportProcessor implements StAXArtifactProcessor<JavaExport> { + private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; + + private static final QName EXPORT_JAVA = new QName(SCA10_NS, "export.java"); + + private static final String PACKAGE = "package"; + + private final JavaImportExportFactory factory; + + public JavaExportProcessor(ModelFactoryExtensionPoint modelFactories) { + super(); + this.factory = modelFactories.getFactory(JavaImportExportFactory.class); + } + + public QName getArtifactType() { + return EXPORT_JAVA; + } + + public Class<JavaExport> getModelType() { + return JavaExport.class; + } + + /** + * Process <export package=""/> + */ + public JavaExport read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + JavaExport javaExport = this.factory.createJavaExport(); + QName element = null; + + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + element = reader.getName(); + + // Read <export.java> + if (EXPORT_JAVA.equals(element)) { + String packageName = reader.getAttributeValue(null, PACKAGE); + if (packageName == null) { + throw new ContributionReadException("Attribute 'package' is missing"); + } + + javaExport.setPackage(packageName); + } + break; + case XMLStreamConstants.END_ELEMENT: + if (EXPORT_JAVA.equals(reader.getName())) { + return javaExport; + } + break; + } + + //Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + + return javaExport; + } + + public void write(JavaExport javaExport, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <export.java> + writer.writeStartElement(EXPORT_JAVA.getNamespaceURI(), EXPORT_JAVA.getLocalPart()); + + if (javaExport.getPackage() != null) { + writer.writeAttribute(PACKAGE, javaExport.getPackage()); + } + + writer.writeEndElement(); + } + + public void resolve(JavaExport model, ModelResolver resolver) throws ContributionResolveException { + + } +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportFactoryImpl.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportFactoryImpl.java new file mode 100644 index 0000000000..3bf9e54774 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportFactoryImpl.java @@ -0,0 +1,41 @@ +/* + * 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.contribution.java.impl; + +import org.apache.tuscany.sca.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.java.JavaImportExportFactory; + +/** + * Java Import/Export Factory implementation + * + * @version $Rev$ $Date$ + */ +public class JavaImportExportFactoryImpl implements JavaImportExportFactory { + + public JavaImport createJavaImport() { + return new JavaImportImpl(); + } + + public JavaExport createJavaExport() { + return new JavaExportImpl(); + } + +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportListener.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportListener.java new file mode 100644 index 0000000000..95fba93181 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportListener.java @@ -0,0 +1,157 @@ +/* + * 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.contribution.java.impl; + +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +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.Export; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.resolver.DefaultImportAllModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionListener; +import org.apache.tuscany.sca.contribution.service.ContributionRepository; + +/** + * Java Import/Export contribution listener + * The listener would process all import/export from a given contribution + * and initialize the model resolvers properly + * + * @version $Rev$ $Date$ + */ +public class JavaImportExportListener implements ContributionListener { + + private ContributionFactory contributionFactory; + + /** + * Constructs a new JavaImportExportListener + */ + public JavaImportExportListener(ModelFactoryExtensionPoint modelFactories) { + contributionFactory = modelFactories.getFactory(ContributionFactory.class); + } + + /** + * Initialize the import/export model resolvers + * Export model resolvers are same as Contribution model resolver + * Import model resolvers are matched to a specific contribution if a location uri is specified, + * otherwise it try to resolve agains all the other contributions + * Also set the exporting contributions used by contribution classloaders to + * match import/export for class loading. + */ + public void contributionAdded(ContributionRepository repository, Contribution contribution) { + + // If the contribution does not contain sca-contribution.xml metadata + // (for example it's an existing JAR developed before SCA existed) + // export all its Java packages + ModelResolver modelResolver = contribution.getModelResolver(); + + // Look for META-INF/sca-contribution.xml + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(Contribution.SCA_CONTRIBUTION_META); + artifact = modelResolver.resolveModel(Artifact.class, artifact); + if (artifact.getLocation() == null) { + + // Look for META-INF/sca-contribution-generated.xml + artifact.setURI(Contribution.SCA_CONTRIBUTION_GENERATED_META); + artifact = modelResolver.resolveModel(Artifact.class, artifact); + if (artifact.getLocation() == null) { + + // No contribution metadata file was found, default to export all the + // Java packages found in the contribution + Set<String> packages = new HashSet<String>(); + for (Artifact a: contribution.getArtifacts()) { + String uri = a.getURI(); + if (uri.endsWith(".class")) { + uri = uri.substring(0, uri.length() - 6); + int d = uri.lastIndexOf('/'); + if (d != -1) { + packages.add(uri.substring(0, d).replace('/', '.')); + } + } + } + + // Add Java export model objects for all the packages we found + for (String pkg: packages) { + JavaExport export = new JavaExportImpl(); + export.setPackage(pkg); + contribution.getExports().add(export); + } + } + } + + // Initialize the contribution exports + for (Export export: contribution.getExports()) { + export.setModelResolver(contribution.getModelResolver()); + } + + // Initialize the contribution imports + for (Import import_: contribution.getImports()) { + boolean initialized = false; + + if(import_ instanceof JavaImport) { + JavaImport javaImport = (JavaImport) import_; + + //Find a matching contribution + if(javaImport.getLocation() != null) { + Contribution targetContribution = repository.getContribution(javaImport.getLocation()); + if (targetContribution != null) { + + // Find a matching contribution export + for (Export export: targetContribution.getExports()) { + if (export instanceof JavaExport) { + JavaExport javaExport = (JavaExport)export; + if (javaImport.getPackage().equals(javaExport.getPackage())) { + List<Contribution> exportingContributions = new ArrayList<Contribution>(); + exportingContributions.add(targetContribution); + javaImport.setModelResolver(new JavaImportModelResolver(exportingContributions, javaExport.getModelResolver())); + initialized = true; + break; + } + } + } + } + } + + //if no location was specified, try to resolve with any contribution + if (!initialized) { + //Use a resolver that will consider all contributions + import_.setModelResolver(new JavaImportModelResolver(repository.getContributions(), new DefaultImportAllModelResolver(import_, repository.getContributions()))); + } + } + } + } + + public void contributionRemoved(ContributionRepository repository, Contribution contribution) { + + } + + public void contributionUpdated(ContributionRepository repository, Contribution oldContribution, Contribution contribution) { + + } + +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportImpl.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportImpl.java new file mode 100644 index 0000000000..cc18d5f798 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportImpl.java @@ -0,0 +1,110 @@ +/* + * 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.contribution.java.impl; + +import java.util.List; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.Export; +import org.apache.tuscany.sca.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * Implementation of a Java Import model + * + * @version $Rev$ $Date$ + */ +public class JavaImportImpl implements JavaImport { + private ModelResolver modelResolver; + private List<Contribution> contributions; + /** + * Java package name being imported + */ + private String packageName; + /** + * Contribution URI where the artifact is imported from + */ + private String location; + + public JavaImportImpl() { + super(); + } + + public String getLocation() { + return this.location; + } + + public void setLocation(String location) { + this.location = location; + } + + public String getPackage() { + return this.packageName; + } + + public void setPackage(String packageName) { + this.packageName = packageName; + } + + public ModelResolver getModelResolver() { + return this.modelResolver; + } + + public void setModelResolver(ModelResolver modelResolver) { + this.modelResolver = modelResolver; + } + public List<Contribution> getExportContributions() { + return contributions; + } + + public void setExportContributions(List<Contribution> contributions) { + this.contributions = contributions; + } + + /** + * Match a JavaImport to a given JavaExport based on : + * location is not provided + * import and export packages match + */ + public boolean match(Export export) { + if(export instanceof JavaExport) { + JavaExport javaExport = (JavaExport)export; + String exportedPackage = javaExport.getPackage(); + if (packageName.equals(exportedPackage)) { + return true; + } else { + if (packageName.endsWith(".*")) { + String prefix = packageName.substring(0, packageName.length() - 1); + if (exportedPackage.startsWith(prefix)) { + return true; + } + } + } + } + + return false; + } + + @Override + public String toString() { + return String.valueOf(packageName); + } +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportModelResolver.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportModelResolver.java new file mode 100644 index 0000000000..484eddd222 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportModelResolver.java @@ -0,0 +1,62 @@ +/* + * 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.contribution.java.impl; + +import java.util.List; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A JavaImport specific model resolver. This model resolver is temporary + * and provides the ContributionClassLoader with the list of exporting + * contributions that it currently needs. + * + * FIXME Remove this class after the ContributionClassLoader is simplified + * and cleaned up. + * + * @version $Rev$ $Date$ + */ +public class JavaImportModelResolver implements ModelResolver { + + private ModelResolver modelResolver; + private List<Contribution> contributions; + + public JavaImportModelResolver(List<Contribution> contributions, ModelResolver modelResolver) { + this.modelResolver = modelResolver; + this.contributions = contributions; + } + + public List<Contribution> getExportContributions() { + return contributions; + } + + public void addModel(Object resolved) { + modelResolver.addModel(resolved); + } + + public Object removeModel(Object resolved) { + return modelResolver.removeModel(resolved); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + return modelResolver.resolveModel(modelClass, unresolved); + } +} diff --git a/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportProcessor.java b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportProcessor.java new file mode 100644 index 0000000000..24612b0450 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportProcessor.java @@ -0,0 +1,127 @@ +/* + * 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.contribution.java.impl; + +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.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.java.JavaImportExportFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + +/** + * Artifact Processor for Java Imports + * + * @version $Rev$ $Date$ + */ +public class JavaImportProcessor implements StAXArtifactProcessor<JavaImport> { + private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; + + private static final QName IMPORT_JAVA = new QName(SCA10_NS, "import.java"); + + private static final String PACKAGE = "package"; + private static final String LOCATION = "location"; + + private final JavaImportExportFactory factory; + + public JavaImportProcessor(ModelFactoryExtensionPoint modelFactories) { + super(); + this.factory = modelFactories.getFactory(JavaImportExportFactory.class); + } + + public QName getArtifactType() { + return IMPORT_JAVA; + } + + public Class<JavaImport> getModelType() { + return JavaImport.class; + } + + /** + * Process <import.java package="" location=""/> + */ + public JavaImport read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + JavaImport javaImport = this.factory.createJavaImport(); + QName element = null; + + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + element = reader.getName(); + + // Read <import.java> + if (IMPORT_JAVA.equals(element)) { + String packageName = reader.getAttributeValue(null, PACKAGE); + if (packageName == null) { + throw new ContributionReadException("Attribute 'package' is missing"); + } + + String location = reader.getAttributeValue(null, LOCATION); + javaImport.setPackage(packageName); + javaImport.setLocation(location); + } + break; + case XMLStreamConstants.END_ELEMENT: + if (IMPORT_JAVA.equals(reader.getName())) { + return javaImport; + } + break; + } + + // Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + + return javaImport; + } + + public void write(JavaImport javaImport, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <import.java> + writer.writeStartElement(IMPORT_JAVA.getNamespaceURI(), IMPORT_JAVA.getLocalPart()); + + if (javaImport.getPackage() != null) { + writer.writeAttribute(PACKAGE, javaImport.getPackage()); + } + if (javaImport.getLocation() != null) { + writer.writeAttribute(LOCATION, javaImport.getLocation()); + } + + writer.writeEndElement(); + } + + + public void resolve(JavaImport model, ModelResolver resolver) throws ContributionResolveException { + + } +} |