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-rw-r--r--branches/sca-java-1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JEEClassLoader.java330
1 files changed, 0 insertions, 330 deletions
diff --git a/branches/sca-java-1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JEEClassLoader.java b/branches/sca-java-1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JEEClassLoader.java
deleted file mode 100644
index bc009c50d7..0000000000
--- a/branches/sca-java-1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JEEClassLoader.java
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * 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.jee.impl;
-
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Enumeration;
-import java.util.HashSet;
-import java.util.List;
-
-import org.apache.tuscany.sca.contribution.Artifact;
-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;
-import org.apache.tuscany.sca.contribution.jee.EjbModuleInfo;
-import org.apache.tuscany.sca.contribution.jee.JavaEEApplicationInfo;
-import org.apache.tuscany.sca.contribution.jee.WebModuleInfo;
-
-
-public class JEEClassLoader extends URLClassLoader {
-
- private Contribution contribution;
- private List<WebModuleInfo> webModules = new ArrayList<WebModuleInfo>();
- private List<EjbModuleInfo> ejbModules = new ArrayList<EjbModuleInfo>();
-
- /**
- * Constructor for contribution ClassLoader
- *
- * @param contribution
- * @param parent
- * @throws MalformedURLException
- */
- public JEEClassLoader(Contribution contribution, final ClassLoader parent) {
- super(new URL[0], parent);
-
- this.contribution = contribution;
-
- // get the classloaders for any JEE archives references by the contribution
- // TODO extend to case where JEE archive is outside the contribution
- for (Artifact artifact : contribution.getArtifacts()){
- if (artifact.getModel() instanceof WebModuleInfo){
- WebModuleInfo webModuleInfo = (WebModuleInfo)artifact.getModel();
- webModules.add(webModuleInfo);
- } else if (artifact.getModel() instanceof EjbModuleInfo){
- EjbModuleInfo ejbModuleInfo = (EjbModuleInfo)artifact.getModel();
- ejbModules.add(ejbModuleInfo);
- } else if (artifact.getModel() instanceof JavaEEApplicationInfo){
- JavaEEApplicationInfo jeeAppInfo = (JavaEEApplicationInfo)artifact.getModel();
- webModules.addAll(jeeAppInfo.getWebModuleInfos().values());
- ejbModules.addAll(jeeAppInfo.getEjbModuleInfos().values());
- }
- }
-
- }
-
- /* (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;
- ClassNotFoundException cne = null;
-
- // ask each of the JEE archive classloaders in turn
- // TODO This is a bad thing as two archives may have the same class
- // but don't know how to avoid this
- for (WebModuleInfo webModuleInfo : webModules){
- try {
- clazz = webModuleInfo.getModuleClassloader().loadClass(className);
- } catch (ClassNotFoundException e) {
- cne = e;
- }
-
- if (clazz != null){
- break;
- }
- }
-
- // We would expect the webapp classloaders to have an ejb classloader as parent
- // but we have to go through the ebj module classloaders here just in case
- // there are no webapps
- for (EjbModuleInfo ejbModuleInfo : ejbModules){
- try {
- clazz = ejbModuleInfo.getModuleClassloader().loadClass(className);
- } catch (ClassNotFoundException e) {
- cne = e;
- }
-
- if (clazz != null){
- break;
- }
- }
-
- if (clazz == null){
- throw cne;
- }
-
- 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 = null;
-/*
- 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 JEEClassLoader) {
-
- for (Export export : exportingContribution.getExports()) {
- if (import_.match(export)) {
- url = ((JEEClassLoader)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 JEEClassLoader) {
-
- for (Export export : exportingContribution.getExports()) {
- if (import_.match(export)) {
- addEnumerationToCollection(resources,
- ((JEEClassLoader)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);
- }
-
-
- /*
- * 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 JEE ClassLoader, parent ClassLoader: " + getParent();
- }
-
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 18:48:58 +0000