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/*
 * Copyright  2000-2004 The Apache Software Foundation
 *
 *  Licensed 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.tools.ant.taskdefs;

import java.io.File;
import java.io.IOException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.ZipFileSet;
import org.apache.tools.ant.util.FileUtils;
import org.apache.tools.zip.ZipOutputStream;


/**
 * An extension of <jar> to create a WAR archive.
 * Contains special treatment for files that should end up in the
 * WEB-INF/lib, WEB-INF/classes or
 * WEB-INF directories of the Web Application Archive.

*

(The War task is a shortcut for specifying the particular layout of a WAR file. * The same thing can be accomplished by using the prefix and fullpath * attributes of zipfilesets in a Zip or Jar task.)

*

The extended zipfileset element from the zip task * (with attributes prefix, fullpath, and src) * is available in the War task.

* * * @since Ant 1.2 * * @ant.task category="packaging" * @see Jar */ public class War extends Jar { /** * our web.xml deployment descriptor */ private File deploymentDescriptor; /** * flag set if the descriptor is added */ private boolean descriptorAdded; private static final FileUtils fu = FileUtils.newFileUtils(); public War() { super(); archiveType = "war"; emptyBehavior = "create"; } /** * Deprecated name of the file to create * -use destfile instead. * @deprecated Use setDestFile(File) instead * @ant.attribute ignore="true" */ public void setWarfile(File warFile) { setDestFile(warFile); } /** * set the deployment descriptor to use (WEB-INF/web.xml); * required unless update=true */ public void setWebxml(File descr) { deploymentDescriptor = descr; if (!deploymentDescriptor.exists()) { throw new BuildException("Deployment descriptor: " + deploymentDescriptor + " does not exist."); } // Create a ZipFileSet for this file, and pass it up. ZipFileSet fs = new ZipFileSet(); fs.setFile(deploymentDescriptor); fs.setFullpath("WEB-INF/web.xml"); super.addFileset(fs); } /** * add files under WEB-INF/lib/ */ public void addLib(ZipFileSet fs) { // We just set the prefix for this fileset, and pass it up. fs.setPrefix("WEB-INF/lib/"); super.addFileset(fs); } /** * add files under WEB-INF/classes */ public void addClasses(ZipFileSet fs) { // We just set the prefix for this fileset, and pass it up. fs.setPrefix("WEB-INF/classes/"); super.addFileset(fs); } /** * files to add under WEB-INF; */ public void addWebinf(ZipFileSet fs) { // We just set the prefix for this fileset, and pass it up. fs.setPrefix("WEB-INF/"); super.addFileset(fs); } /** * override of parent; validates configuration * before initializing the output stream. */ protected void initZipOutputStream(ZipOutputStream zOut) throws IOException, BuildException { // If no webxml file is specified, it's an error. if (deploymentDescriptor == null && !isInUpdateMode()) { throw new BuildException("webxml attribute is required", getLocation()); } super.initZipOutputStream(zOut); } /** * Overridden from Zip class to deal with web.xml */ protected void zipFile(File file, ZipOutputStream zOut, String vPath, int mode) throws IOException { // If the file being added is WEB-INF/web.xml, we warn if it's // not the one specified in the "webxml" attribute - or if // it's being added twice, meaning the same file is specified // by the "webxml" attribute and in a element. if (vPath.equalsIgnoreCase("WEB-INF/web.xml")) { if (deploymentDescriptor == null || !fu.fileNameEquals(deploymentDescriptor, file) || descriptorAdded) { log("Warning: selected " + archiveType + " files include a WEB-INF/web.xml which will be ignored " + "(please use webxml attribute to " + archiveType + " task)", Project.MSG_WARN); } else { super.zipFile(file, zOut, vPath, mode); descriptorAdded = true; } } else { super.zipFile(file, zOut, vPath, mode); } } /** * Make sure we don't think we already have a web.xml next time this task * gets executed. */ protected void cleanUp() { descriptorAdded = false; super.cleanUp(); } }