/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.module.single;
import com.sun.enterprise.module.Module;
import com.sun.enterprise.module.ModuleDefinition;
import com.sun.enterprise.module.ResolveError;
import com.sun.enterprise.module.common_impl.DefaultModuleDefinition;
import com.sun.enterprise.module.impl.ModulesRegistryImpl;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.StringTokenizer;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.PopulatorPostProcessor;
import org.glassfish.hk2.api.ServiceLocator;
/**
* Implements a modules registry based on a class-path style of module
* description using a single class loader (capable of loading the entire
* class-path)
*
* @author Jerome Dochez
*/
public class ClassPathBasedModulesRegistry extends ModulesRegistryImpl {
final ClassLoader cLoader;
final List<ModuleDefinition> moduleDefs = new ArrayList<ModuleDefinition>();
final List<Module> modules = new ArrayList<Module>();
public ClassPathBasedModulesRegistry(ClassLoader singleCL, String classPath) throws IOException {
super(null);
this.cLoader = singleCL;
setParentClassLoader(cLoader);
StringTokenizer st = new StringTokenizer(classPath, File.pathSeparator);
while (st.hasMoreTokens()) {
String classPathElement = st.nextToken();
File f = new File(classPathElement);
if (f.exists()) {
ModuleDefinition md = new DefaultModuleDefinition(f);
moduleDefs.add(md);
add(md);
}
}
// now create fake modules
for (ModuleDefinition md : moduleDefs) {
// they all use the same class loader since they are not really modules
// and we don't run in a modular environment
modules.add(new ProxyModule(this, md, cLoader));
}
}
@Override
public Module find(Class clazz) {
Module m = super.find(clazz);
// all modules can load all classes
if (m == null)
return modules.get(0);
return m;
}
@Override
public Collection<Module> getModules(String moduleName) {
// I could not care less about the modules names
return getModules();
}
@Override
public Collection<Module> getModules() {
ArrayList<Module> list = new ArrayList<Module>();
list.addAll(modules);
return list;
}
@Override
public Module makeModuleFor(String name, String version, boolean resolve) throws ResolveError {
for (int i=0;i<moduleDefs.size();i++) {
ModuleDefinition md = moduleDefs.get(i);
if (md.getName().equals(name)) {
return modules.get(i);
}
}
return null;
}
@Override
protected List<ActiveDescriptor> parseInhabitants(Module module, String name, ServiceLocator serviceLocator, List<PopulatorPostProcessor> postProcessors)
throws IOException {
return null;
}
}