| /* |
| * 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.resource; |
| |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Iterator; |
| import javax.faces.application.ResourceVisitOption; |
| import javax.faces.context.FacesContext; |
| |
| import org.apache.myfaces.util.lang.ClassUtils; |
| |
| /** |
| * A resource loader implementation which loads resources from the thread ClassLoader. |
| * |
| */ |
| public class ClassLoaderResourceLoader extends ResourceLoader |
| { |
| public ClassLoaderResourceLoader(String prefix) |
| { |
| super(prefix); |
| } |
| |
| @Override |
| public String getLibraryVersion(String path) |
| { |
| return null; |
| } |
| |
| @Override |
| public InputStream getResourceInputStream(ResourceMeta resourceMeta) |
| { |
| InputStream is = null; |
| |
| String prefix = getPrefix(); |
| if (prefix != null && !prefix.isEmpty()) |
| { |
| String name = prefix + '/' + resourceMeta.getResourceIdentifier(); |
| is = getClassLoader().getResourceAsStream(name); |
| if (is == null) |
| { |
| is = this.getClass().getClassLoader().getResourceAsStream(name); |
| } |
| return is; |
| } |
| else |
| { |
| is = getClassLoader().getResourceAsStream(resourceMeta.getResourceIdentifier()); |
| if (is == null) |
| { |
| is = this.getClass().getClassLoader().getResourceAsStream(resourceMeta.getResourceIdentifier()); |
| } |
| return is; |
| } |
| } |
| |
| //@Override |
| public URL getResourceURL(String resourceId) |
| { |
| URL url = null; |
| |
| String prefix = getPrefix(); |
| if (prefix != null && !prefix.isEmpty()) |
| { |
| String name = prefix + '/' + resourceId; |
| url = getClassLoader().getResource(name); |
| if (url == null) |
| { |
| url = this.getClass().getClassLoader().getResource(name); |
| } |
| return url; |
| } |
| else |
| { |
| url = getClassLoader().getResource(resourceId); |
| if (url == null) |
| { |
| url = this.getClass().getClassLoader().getResource(resourceId); |
| } |
| return url; |
| } |
| } |
| |
| @Override |
| public URL getResourceURL(ResourceMeta resourceMeta) |
| { |
| return getResourceURL(resourceMeta.getResourceIdentifier()); |
| } |
| |
| @Override |
| public String getResourceVersion(String path) |
| { |
| return null; |
| } |
| |
| @Override |
| public ResourceMeta createResourceMeta(String prefix, String libraryName, String libraryVersion, |
| String resourceName, String resourceVersion) |
| { |
| return new ResourceMetaImpl(prefix, libraryName, libraryVersion, resourceName, resourceVersion); |
| } |
| |
| /** |
| * Returns the ClassLoader to use when looking up resources under the top level package. By default, this is the |
| * context class loader. |
| * |
| * @return the ClassLoader used to lookup resources |
| */ |
| protected ClassLoader getClassLoader() |
| { |
| return ClassUtils.getContextClassLoader(); |
| } |
| |
| @Override |
| public boolean libraryExists(String libraryName) |
| { |
| String prefix = getPrefix(); |
| if (prefix != null && !prefix.isEmpty()) |
| { |
| String name = prefix + '/' + libraryName; |
| URL url = getClassLoader().getResource(name); |
| if (url == null) |
| { |
| url = this.getClass().getClassLoader().getResource(name); |
| } |
| if (url != null) |
| { |
| return true; |
| } |
| } |
| else |
| { |
| URL url = getClassLoader().getResource(libraryName); |
| if (url == null) |
| { |
| url = this.getClass().getClassLoader().getResource(libraryName); |
| } |
| if (url != null) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public Iterator<String> iterator(FacesContext facesContext, String path, |
| int maxDepth, ResourceVisitOption... options) |
| { |
| String basePath = path; |
| |
| String prefix = getPrefix(); |
| if (prefix != null) |
| { |
| basePath = prefix + '/' + (path.startsWith("/") ? path.substring(1) : path); |
| } |
| |
| URL url = getClassLoader().getResource(basePath); |
| |
| return new ClassLoaderResourceLoaderIterator(url, basePath, maxDepth, options); |
| } |
| |
| } |