| /* |
| * 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.struts2.osgi; |
| |
| import com.opensymphony.xwork2.FileManagerFactory; |
| import com.opensymphony.xwork2.ObjectFactory; |
| import com.opensymphony.xwork2.config.Configuration; |
| import com.opensymphony.xwork2.config.ConfigurationException; |
| import com.opensymphony.xwork2.config.entities.PackageConfig; |
| import com.opensymphony.xwork2.config.impl.DefaultConfiguration; |
| import com.opensymphony.xwork2.config.providers.XmlConfigurationProvider; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LogManager; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Package loader implementation that loads resources from a bundle |
| */ |
| public class BundlePackageLoader implements PackageLoader { |
| |
| private static final Logger LOG = LogManager.getLogger(BundlePackageLoader.class); |
| |
| public List<PackageConfig> loadPackages(Bundle bundle, BundleContext bundleContext, ObjectFactory objectFactory, |
| FileManagerFactory fileManagerFactory, Map<String, PackageConfig> pkgConfigs) throws ConfigurationException { |
| Configuration config = new DefaultConfiguration("struts.xml"); |
| BundleConfigurationProvider prov = new BundleConfigurationProvider("struts.xml", bundle, bundleContext); |
| for (PackageConfig pkg : pkgConfigs.values()) { |
| config.addPackageConfig(pkg.getName(), pkg); |
| } |
| prov.setObjectFactory(objectFactory); |
| prov.setFileManagerFactory(fileManagerFactory); |
| prov.init(config); |
| prov.loadPackages(); |
| |
| List<PackageConfig> list = new ArrayList<PackageConfig>(config.getPackageConfigs().values()); |
| list.removeAll(pkgConfigs.values()); |
| |
| return list; |
| } |
| |
| static class BundleConfigurationProvider extends XmlConfigurationProvider { |
| private Bundle bundle; |
| private BundleContext bundleContext; |
| |
| public BundleConfigurationProvider(String filename, Bundle bundle, BundleContext bundleContext) { |
| super(filename, false); |
| this.bundle = bundle; |
| this.bundleContext = bundleContext; |
| } |
| |
| public BundleConfigurationProvider(String filename) { |
| super(filename); |
| } |
| |
| @Override |
| protected Iterator<URL> getConfigurationUrls(String fileName) throws IOException { |
| Enumeration<URL> e = bundle.getResources("struts.xml"); |
| return e.hasMoreElements() ? new EnumeratorIterator<URL>(e) : null; |
| } |
| } |
| |
| static class EnumeratorIterator<E> implements Iterator<E> { |
| Enumeration<E> e = null; |
| |
| public EnumeratorIterator(Enumeration<E> e) { |
| this.e = e; |
| } |
| |
| public boolean hasNext() { |
| return e.hasMoreElements(); |
| } |
| |
| public E next() { |
| return e.nextElement(); |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| } |