| /* |
| * 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.IOException; |
| import java.net.URL; |
| import java.util.HashSet; |
| import java.util.Set; |
| import javax.faces.application.ResourceHandler; |
| import javax.faces.context.ExternalContext; |
| import org.apache.myfaces.util.lang.ClassUtils; |
| import org.apache.myfaces.util.WebConfigParamUtils; |
| import org.apache.myfaces.spi.ResourceLibraryContractsProvider; |
| import org.apache.myfaces.view.facelets.util.Classpath; |
| |
| /** |
| * |
| * @author Leonardo Uribe |
| */ |
| public class DefaultResourceLibraryContractsProvider extends ResourceLibraryContractsProvider |
| { |
| private static final String META_INF_CONTRACTS_PREFIX = "META-INF/contracts/"; |
| private static final String META_INF_CONTRACTS_SUFFIX = "javax.faces.contract.xml"; |
| private static final String META_INF_CONTRACTS_FILE = "/javax.faces.contract.xml"; |
| private static final String CONTRACTS = "contracts"; |
| |
| @Override |
| public Set<String> getExternalContextResourceLibraryContracts(ExternalContext context) throws IOException |
| { |
| String directory = WebConfigParamUtils.getStringInitParameter(context, |
| ResourceHandler.WEBAPP_CONTRACTS_DIRECTORY_PARAM_NAME, CONTRACTS); |
| |
| if (directory.startsWith("/")) |
| { |
| throw new IllegalStateException("javax.faces.WEBAPP_CONTRACTS_DIRECTORY cannot start with '/"); |
| } |
| if (directory.endsWith("/")) |
| { |
| directory = directory.substring(0, directory.length()-1); |
| } |
| |
| directory = '/' + directory + '/'; |
| |
| Set<String> contracts = new HashSet<>(); |
| Set<String> paths = context.getResourcePaths(directory); |
| if (paths != null) |
| { |
| for (String path : paths) |
| { |
| if (path.endsWith("/")) |
| { |
| //Add all subdirectories no questions asked. |
| contracts.add(path.substring(directory.length(), path.length()-1)); |
| } |
| } |
| } |
| return contracts; |
| } |
| |
| @Override |
| public Set<String> getClassloaderResourceLibraryContracts(ExternalContext context) throws IOException |
| { |
| Set<String> contracts = new HashSet<>(); |
| |
| URL[] urls = Classpath.search(ClassUtils.getCurrentLoader(this), |
| META_INF_CONTRACTS_PREFIX, |
| META_INF_CONTRACTS_SUFFIX); |
| for (int i = 0; i < urls.length; i++) |
| { |
| String urlString = urls[i].toExternalForm(); |
| int suffixPos = urlString.lastIndexOf(META_INF_CONTRACTS_FILE); |
| int slashPos = urlString.lastIndexOf('/', suffixPos-1); |
| if (suffixPos > 0 && slashPos > 0) |
| { |
| contracts.add(urlString.substring(slashPos+1, suffixPos)); |
| } |
| } |
| |
| return contracts; |
| } |
| } |