| /** |
| * |
| * 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.karaf.deployer.war; |
| |
| import java.io.File; |
| import java.net.URL; |
| import java.util.jar.Attributes; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.Manifest; |
| |
| import org.apache.felix.fileinstall.ArtifactUrlTransformer; |
| |
| /** |
| * A deployment listener that listens for war deployements. |
| */ |
| public class WarDeploymentListener implements ArtifactUrlTransformer { |
| |
| private static final String PATH_SEPERATOR = "/"; |
| |
| public boolean canHandle(File artifact) { |
| try { |
| JarFile jar = new JarFile(artifact); |
| JarEntry entry = jar.getJarEntry("WEB-INF/web.xml"); |
| // Only handle WAR artifacts |
| if (entry == null) { |
| return false; |
| } |
| // Only handle non OSGi bundles |
| Manifest m = jar.getManifest(); |
| if (m!= null && m.getMainAttributes().getValue( |
| new Attributes.Name("Bundle-SymbolicName")) != null |
| && m.getMainAttributes().getValue( |
| new Attributes.Name("Bundle-Version")) != null) { |
| return false; |
| } |
| return true; |
| } catch (Exception e) { |
| return false; |
| } |
| } |
| |
| public URL transform(URL artifact) throws Exception { |
| |
| String path = artifact.getPath(); |
| String protocol = artifact.getProtocol(); |
| |
| int lastSlash = 0; |
| // match the last slash to retrieve the name of the archive |
| if ("jardir".equalsIgnoreCase(protocol)) { |
| // just to make sure this works on all kinds of windows |
| File fileInstance = new File(path); |
| // with a jardir this is system specific |
| lastSlash = fileInstance.getAbsolutePath().lastIndexOf(File.separator); |
| } else { |
| // a standard file is not system specific, this is always a standardized URL path |
| lastSlash = path.lastIndexOf(PATH_SEPERATOR); |
| } |
| // match the suffix so we get rid of it for displaying |
| int suffixPos = path.length() - 4; // usually this should be a war but might also be a jar plus the colon makes 4 signs |
| |
| // the display name for a web context is derived from the name of the archive |
| String displayName = path.substring(lastSlash + 1, suffixPos); |
| |
| return new URL("war", null, protocol + ":" + path + "?Webapp-Context=" + displayName); |
| } |
| |
| } |