| /* |
| * 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.config.impl; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.JarURLConnection; |
| import java.net.URL; |
| import java.util.jar.JarEntry; |
| import java.util.logging.Logger; |
| |
| import javax.faces.context.ExternalContext; |
| |
| import org.apache.myfaces.util.lang.ClassUtils; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.InputSource; |
| |
| /** |
| * SAX EntityResolver to provide JSF-specific resources (DTDs) for well-known identifiers. |
| * |
| * @author Manfred Geiler (latest modification by $Author$) |
| * @author Thomas Spiegl |
| * @version $Revision$ $Date$ |
| */ |
| public class FacesConfigEntityResolver implements EntityResolver |
| { |
| private static final Logger log = Logger.getLogger(FacesConfigEntityResolver.class.getName()); |
| |
| private static final String FACES_CONFIG_1_0_DTD_SYSTEM_ID = "http://java.sun.com/dtd/web-facesconfig_1_0.dtd"; |
| private static final String FACES_CONFIG_1_0_DTD_RESOURCE |
| = "org.apache.myfaces.resource".replace('.', '/') + "/web-facesconfig_1_0.dtd"; |
| private static final String FACES_CONFIG_1_1_DTD_SYSTEM_ID = "http://java.sun.com/dtd/web-facesconfig_1_1.dtd"; |
| private static final String FACES_CONFIG_1_1_DTD_RESOURCE |
| = "org.apache.myfaces.resource".replace('.', '/') + "/web-facesconfig_1_1.dtd"; |
| |
| private ExternalContext _externalContext = null; |
| |
| public FacesConfigEntityResolver(ExternalContext context) |
| { |
| _externalContext = context; |
| } |
| |
| public FacesConfigEntityResolver() |
| { |
| } |
| |
| @Override |
| public InputSource resolveEntity(String publicId, |
| String systemId) |
| throws IOException |
| { |
| InputStream stream; |
| if (systemId.equals(FACES_CONFIG_1_0_DTD_SYSTEM_ID)) |
| { |
| stream = ClassUtils.getResourceAsStream(FACES_CONFIG_1_0_DTD_RESOURCE); |
| } |
| else if (systemId.equals(FACES_CONFIG_1_1_DTD_SYSTEM_ID)) |
| { |
| stream = ClassUtils.getResourceAsStream(FACES_CONFIG_1_1_DTD_RESOURCE); |
| } |
| |
| else if (systemId.startsWith("jar:")) |
| { |
| URL url = new URL(systemId); |
| JarURLConnection conn = (JarURLConnection) url.openConnection(); |
| |
| // see MYFACES-1982 |
| conn.setUseCaches(false); |
| JarEntry jarEntry = conn.getJarEntry(); |
| if (jarEntry == null) |
| { |
| log.severe("JAR entry '" + systemId + "' not found."); |
| } |
| //_jarFile.getInputStream(jarEntry); |
| stream = conn.getJarFile().getInputStream(jarEntry); |
| } |
| else |
| { |
| if (_externalContext == null) |
| { |
| stream = ClassUtils.getResourceAsStream(systemId); |
| } |
| else |
| { |
| if (systemId.startsWith("file:")) |
| { |
| systemId = systemId.substring(7); // remove file:// |
| } |
| stream = _externalContext.getResourceAsStream(systemId); |
| } |
| } |
| |
| if (stream == null) |
| { |
| return null; |
| } |
| InputSource is = new InputSource(stream); |
| is.setPublicId(publicId); |
| is.setSystemId(systemId); |
| is.setEncoding("ISO-8859-1"); |
| return is; |
| } |
| |
| } |