diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl')
10 files changed, 1332 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ClassLoaderModelResolver.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ClassLoaderModelResolver.java new file mode 100644 index 0000000000..bb7ae3f29d --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ClassLoaderModelResolver.java @@ -0,0 +1,193 @@ +/* + * 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.lang.ref.WeakReference; +import java.lang.reflect.Field; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Vector; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.DefaultDelegatingModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; + +/** + * A Model Resolver for ClassReferences. + * + * @version $Rev$ $Date$ + */ +public class ClassLoaderModelResolver extends URLClassLoader implements ModelResolver { + private WeakReference<Contribution> contribution; + private ProcessorContext context; + private Map<String, ModelResolver> importResolvers = new HashMap<String, ModelResolver>(); + + // a space to pass back the contribution that was used to resolve + // a class via an import + private Contribution contributionContainingClass; + + private static ClassLoader parentClassLoader(Contribution contribution) { + if (contribution.getClassLoader() != null) { + return contribution.getClassLoader(); + } + ClassLoader parentClassLoader = ServiceDiscovery.getInstance().getContextClassLoader(); + return parentClassLoader; + } + + private static URL[] getContributionURLs(final Contribution contribution) throws IOException { + if (contribution.getClassLoader() != null) { + // Do not include the contribution url + return new URL[0]; + } + List<URL> urls = new ArrayList<URL>(); + urls.add(new URL(contribution.getLocation())); + urls.addAll(ContributionHelper.getNestedJarUrls(contribution)); + return urls.toArray(new URL[urls.size()]); + } + + public ClassLoaderModelResolver(final Contribution contribution, FactoryExtensionPoint modelFactories) throws IOException { + super(getContributionURLs(contribution), parentClassLoader(contribution)); + this.contribution = new WeakReference<Contribution>(contribution); + // Index Java import resolvers by package name + Map<String, List<ModelResolver>> resolverMap = new HashMap<String, List<ModelResolver>>(); + for (Import import_: this.contribution.get().getImports()) { + if (import_ instanceof JavaImport) { + JavaImport javaImport = (JavaImport)import_; + List<ModelResolver> resolvers = resolverMap.get(javaImport.getPackage()); + if (resolvers == null) { + resolvers = new ArrayList<ModelResolver>(); + resolverMap.put(javaImport.getPackage(), resolvers); + } + resolvers.add(javaImport.getModelResolver()); + } + } + + // Create a delegating model resolver for each imported package + for (Map.Entry<String, List<ModelResolver>> entry: resolverMap.entrySet()) { + importResolvers.put(entry.getKey(), new DefaultDelegatingModelResolver(entry.getValue())); + } + } + + public void addModel(Object resolved, ProcessorContext context) { + throw new IllegalStateException(); + } + + public Object removeModel(Object resolved, ProcessorContext context) { + throw new IllegalStateException(); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { + if (!(unresolved instanceof ClassReference)) { + return unresolved; + } + + try { + this.context = context; + contributionContainingClass = contribution.get(); + + // Load the class and return a class reference for it + String className = ((ClassReference)unresolved).getClassName(); + Class<?> clazz = Class.forName(className, false, this); + ClassReference classReference = new ClassReference(clazz); + classReference.setContributionContainingClass(contributionContainingClass); + contributionContainingClass = null; + return modelClass.cast(classReference); + + } catch (ClassNotFoundException e) { + return unresolved; + } finally { + contributionContainingClass = null; + } + } + + @Override + public URL findResource(String name) { + + //TODO delegate to the Java import resolvers + + URL url = super.findResource(name); + return url; + } + + @Override + public Enumeration<URL> findResources(String name) throws IOException { + + //TODO delegate to the Java import resolvers + //Enumeration<URL> importedResources; + + Enumeration<URL> resources = super.findResources(name); + List<URL> allResources = new ArrayList<URL>(); + //for (; importedResources.hasMoreElements(); ) { + // allResources.add(importedResources.nextElement()); + //} + for (; resources.hasMoreElements(); ) { + allResources.add(resources.nextElement()); + } + return Collections.enumeration(allResources); + } + + @Override + protected Class<?> findClass(String name) throws ClassNotFoundException { + + // Extract the package name + int d = name.lastIndexOf('.'); + String packageName; + if (d != -1) { + packageName = name.substring(0, d); + } else { + packageName = null; + } + + // First try to load the class using the Java import resolvers + ModelResolver importResolver = importResolvers.get(packageName); + if (importResolver != null) { + ClassReference classReference = importResolver.resolveModel(ClassReference.class, new ClassReference(name), context); + if (!classReference.isUnresolved()) { + contributionContainingClass = classReference.getContributionContainingClass(); + return classReference.getJavaClass(); + } + } + + // Next, try to load the class from the current contribution + Class<?> clazz = super.findClass(name); + return clazz; + } + + public void clear() { + contribution = null; + contributionContainingClass = null; + context = null; + importResolvers = null; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java new file mode 100644 index 0000000000..25b3eae350 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionClassLoader.java @@ -0,0 +1,386 @@ +/* + * 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 { +// public class ContributionClassLoader { + + private Contribution contribution; + // private b urlClassLoader; + + /** + * Constructor for contribution ClassLoader + * + * @param contribution + * @param parent + * @throws MalformedURLException + */ + public ContributionClassLoader(Contribution contribution, final ClassLoader parent) { + super(new URL[0], parent); + // Note that privileged use of getContextClassLoader have been promoted to callers. + // super(new URL[0], parent == null?Thread.currentThread().getContextClassLoader(): null); + this.contribution = contribution; + if (contribution.getLocation() != null) { + try { + this.addURL(new URL(contribution.getLocation())); + for (URL url : ContributionHelper.getNestedJarUrls(contribution)) { + this.addURL(url); + } + } catch (IOException 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)) { + if (cl == null) { + cl = getParent(); + } + + 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 location: " + contribution.getLocation() + " parent ClassLoader: " + getParent(); + } + + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionHelper.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionHelper.java new file mode 100644 index 0000000000..372607193c --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/ContributionHelper.java @@ -0,0 +1,102 @@ +/* + * 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.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.net.URI; +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.ArrayList; +import java.util.List; +import java.util.zip.ZipEntry; +import java.util.zip.ZipInputStream; + +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; + +public class ContributionHelper { + + public static List<URL> getNestedJarUrls(final Contribution contribution) throws IOException { + List<URL> urls = new ArrayList<URL>(); + final boolean isZipContribution = contribution.getLocation().endsWith(".zip"); + final URI uri = URI.create(contribution.getLocation()); + boolean isFolderContribution = AccessController.doPrivileged(new PrivilegedAction<Boolean>() { + public Boolean run() { + return !isZipContribution && uri.getScheme().equals("file") && new File(uri.getSchemeSpecificPart()).isDirectory(); + } + }); + if (isZipContribution || isFolderContribution) { + for (Artifact a : contribution.getArtifacts()) { + if (a.getLocation().endsWith(".jar")) { + if (isZipContribution) { + urls.add(createTempJar(a, contribution)); + } else { + urls.add(new URL(a.getLocation())); + } + } + } + } + return urls; + } + + /** + * URLClassLoader doesn't seem to work with URLs to jars within an archive so as a work around + * copy the jar to a temp file and use the url to that. + */ + private static URL createTempJar(Artifact artifact, Contribution contribution) throws IOException { + FileOutputStream fileOutputStream = null; + ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(new File(URI.create(contribution.getLocation())))); + try { + ZipEntry zipEntry = zipInputStream.getNextEntry(); + while (zipEntry != null) { + if (artifact.getLocation().endsWith(zipEntry.getName())) { + + String tempName = ("tmp." + artifact.getURI().substring(0, artifact.getURI().length() - 3)).replace('/', '.'); + File tempFile = File.createTempFile(tempName, ".jar"); + tempFile.deleteOnExit(); + fileOutputStream = new FileOutputStream(tempFile); + + byte[] buf = new byte[2048]; + int n; + while ((n = zipInputStream.read(buf, 0, buf.length)) > -1) { + fileOutputStream.write(buf, 0, n); + } + + fileOutputStream.close(); + zipInputStream.closeEntry(); + + return tempFile.toURI().toURL(); + + } + zipEntry = zipInputStream.getNextEntry(); + } + } finally { + zipInputStream.close(); + if (fileOutputStream != null) { + fileOutputStream.close(); + } + } + + throw new IllegalStateException(); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportImpl.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportImpl.java new file mode 100644 index 0000000000..c0bd9465e4 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportImpl.java @@ -0,0 +1,59 @@ +/* + * 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.assembly.impl.ExtensibleImpl; +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 extends ExtensibleImpl 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-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportModelResolver.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportModelResolver.java new file mode 100644 index 0000000000..9b02ce4abb --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportModelResolver.java @@ -0,0 +1,77 @@ +/* + * 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.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A model resolver for Java exports. + * + * @version $Rev$ $Date$ + */ +public class JavaExportModelResolver implements ModelResolver { + + private JavaExport export; + private ModelResolver resolver; + + public JavaExportModelResolver(JavaExport export, ModelResolver resolver) { + this.export = export; + this.resolver = resolver; + } + + public void addModel(Object resolved, ProcessorContext context) { + throw new IllegalStateException(); + } + + public Object removeModel(Object resolved, ProcessorContext context) { + throw new IllegalStateException(); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { + if (!(unresolved instanceof ClassReference)) { + return unresolved; + } + + // Filter package name + ClassReference classReference = (ClassReference)unresolved; + String className = classReference.getClassName(); + int d = className.lastIndexOf('.'); + String packageName; + if (d != -1) { + packageName = className.substring(0, d); + } else { + packageName = ""; + } + if (export.getPackage().equals(packageName)) { + + // Package matches the exported package, delegate to the + // contribution's resolver + return resolver.resolveModel(modelClass, unresolved, context); + } else { + + // Package is not exported, return the unresolved object + return unresolved; + } + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java new file mode 100644 index 0000000000..bfa89d02fe --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java @@ -0,0 +1,147 @@ +/* + * 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.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImportExportFactory; +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.ProcessorContext; +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.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Artifact processor for Java Export + * + * @version $Rev$ $Date$ + */ +public class JavaExportProcessor implements StAXArtifactProcessor<JavaExport> { + private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912"; + + private static final QName EXPORT_JAVA = new QName(SCA11_NS, "export.java"); + + private static final String PACKAGE = "package"; + + private final JavaImportExportFactory factory; + + public JavaExportProcessor(FactoryExtensionPoint modelFactories) { + super(); + this.factory = modelFactories.getFactory(JavaImportExportFactory.class); + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-java-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return EXPORT_JAVA; + } + + public Class<JavaExport> getModelType() { + return JavaExport.class; + } + + /** + * Process <export package=""/> + */ + public JavaExport read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException { + JavaExport javaExport = this.factory.createJavaExport(); + QName element = null; + + try { + 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) { + error(context.getMonitor(), "AttributePackageMissing", reader); + //throw new ContributionReadException("Attribute 'package' is missing"); + } else + 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(); + } + } + } + catch (XMLStreamException e) { + ContributionReadException ex = new ContributionReadException(e); + error(context.getMonitor(), "XMLStreamException", reader, ex); + } + + return javaExport; + } + + public void write(JavaExport javaExport, XMLStreamWriter writer, ProcessorContext context) 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 javaExport, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + + if (javaExport.getPackage() != null) + // Initialize the export resolver + javaExport.setModelResolver(new JavaExportModelResolver(javaExport, resolver)); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportFactoryImpl.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportExportFactoryImpl.java new file mode 100644 index 0000000000..3bf9e54774 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/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-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportImpl.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportImpl.java new file mode 100644 index 0000000000..f2fdb3278e --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportImpl.java @@ -0,0 +1,111 @@ +/* + * 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.assembly.impl.ExtensibleImpl; +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 extends ExtensibleImpl 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-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportModelResolver.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportModelResolver.java new file mode 100644 index 0000000000..344e730bdc --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportModelResolver.java @@ -0,0 +1,63 @@ +/* + * 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.processor.ProcessorContext; +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, ProcessorContext context) { + modelResolver.addModel(resolved, context); + } + + public Object removeModel(Object resolved, ProcessorContext context) { + return modelResolver.removeModel(resolved, context); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { + return modelResolver.resolveModel(modelClass, unresolved, context); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportProcessor.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportProcessor.java new file mode 100644 index 0000000000..a199f6874c --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaImportProcessor.java @@ -0,0 +1,153 @@ +/* + * 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.java.JavaImport; +import org.apache.tuscany.sca.contribution.java.JavaImportExportFactory; +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.ProcessorContext; +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.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Artifact Processor for Java Imports + * + * @version $Rev$ $Date$ + */ +public class JavaImportProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<JavaImport> { + private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912"; + + private static final QName IMPORT_JAVA = new QName(SCA11_NS, "import.java"); + + private static final String PACKAGE = "package"; + private static final String LOCATION = "location"; + + private final JavaImportExportFactory factory; + + public JavaImportProcessor(FactoryExtensionPoint modelFactories) { + super(); + this.factory = modelFactories.getFactory(JavaImportExportFactory.class); + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-java-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return IMPORT_JAVA; + } + + public Class<JavaImport> getModelType() { + return JavaImport.class; + } + + /** + * Process <import.java package="" location=""/> + */ + public JavaImport read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException { + JavaImport javaImport = this.factory.createJavaImport(); + QName element = null; + + try { + 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) { + error(context.getMonitor(), "AttributePackageMissing", reader); + //throw new ContributionReadException("Attribute 'package' is missing"); + } else + javaImport.setPackage(packageName); + + String location = getURIString(reader, LOCATION); + 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(); + } + } + } + catch (XMLStreamException e) { + ContributionReadException ex = new ContributionReadException(e); + error(context.getMonitor(), "XMLStreamException", reader, ex); + } + + return javaImport; + } + + public void write(JavaImport javaImport, XMLStreamWriter writer, ProcessorContext context) 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, ProcessorContext context) throws ContributionResolveException { + + } +} |