| /* |
| * 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.myfaces.extensions.scripting.jsf2.resources; |
| |
| import org.apache.myfaces.extensions.scripting.core.util.WeavingContext; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * internal resource loader to be used with our custom resource handler |
| * the resource loader is added to the list of available loaders |
| * so that the resource gets loaded properly from our source path |
| * instead of the web context if present, the source paths as usual |
| * are picked up by our context params. |
| */ |
| public class SourceResourceLoader extends ExternalContextResourceLoader { |
| |
| public SourceResourceLoader(String prefix) { |
| super(prefix); |
| } |
| |
| @Override |
| protected Set<String> getResourcePaths(String path) { |
| List<String> resourceRoots = WeavingContext.getConfiguration().getResourceDirs(); |
| if (resourceRoots == null || resourceRoots.isEmpty()) { |
| return Collections.EMPTY_SET; |
| } |
| Set<String> retVals = new HashSet<String>(resourceRoots.size()); |
| //for (String resourceRoot : resourceRoots) { |
| retVals.add(getPrefix() + "/" + path); |
| //} |
| return retVals; |
| } |
| |
| @Override |
| public URL getResourceURL(ResourceMeta resourceMeta) { |
| try { |
| List<String> resourceRoots = WeavingContext.getConfiguration().getResourceDirs(); |
| if (resourceRoots == null || resourceRoots.isEmpty()) { |
| return super.getResourceURL(resourceMeta); |
| } |
| |
| for (String resourceRoot : resourceRoots) { |
| File resourceFile = new File(resourceRoot + getPrefix() + "/" + resourceMeta.getLibraryName() + "/"+ resourceMeta.getResourceName()); |
| if (resourceFile.exists()) { |
| return resourceFile.toURI().toURL(); |
| } |
| } |
| |
| return super.getResourceURL(resourceMeta); |
| } |
| catch (MalformedURLException e) { |
| return null; |
| } |
| } |
| |
| @Override |
| public InputStream getResourceInputStream(ResourceMeta resourceMeta) { |
| try { |
| List<String> resourceRoots = WeavingContext.getConfiguration().getResourceDirs(); |
| if (resourceRoots == null || resourceRoots.isEmpty()) { |
| return super.getResourceInputStream(resourceMeta); |
| } |
| |
| for (String resourceRoot : resourceRoots) { |
| File resourceFile = new File(resourceRoot + getPrefix() + "/" +resourceMeta.getLibraryName() + "/"+ resourceMeta.getResourceName()); |
| if (resourceFile.exists()) { |
| return new FileInputStream(resourceFile); |
| } |
| } |
| |
| return super.getResourceInputStream(resourceMeta); |
| } |
| catch (IOException e) { |
| return null; |
| } |
| } |
| } |