Package org.apache.tools.ant.taskdefs

Source Code of org.apache.tools.ant.taskdefs.Ear

/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution, if
*    any, must include the following acknowlegement:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowlegement may appear in the software itself,
*    if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "Ant" and "Apache Software
*    Foundation" must not be used to endorse or promote products derived
*    from this software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
*    nor may "Apache" appear in their names without prior written
*    permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.ZipFileSet;
import org.apache.tools.zip.ZipOutputStream;

import java.io.File;
import java.io.IOException;

/**
* Creates a EAR archive. Based on WAR task
*
* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
* @author <a href="mailto:leslie.hughes@rubus.com">Les Hughes</a>
*
* @since Ant 1.4
*
* @ant.task category="packaging"
*/
public class Ear extends Jar {

    private File deploymentDescriptor;
    private boolean descriptorAdded;

    /**
     * Create an Ear task.
     */
    public Ear() {
        super();
        archiveType = "ear";
        emptyBehavior = "create";
    }

    /**
     * @deprecated Use setDestFile(destfile) instead
     */
    public void setEarfile(File earFile) {
        setDestFile(earFile);
    }

    /**
     * File to incorporate as application.xml.
     */
    public void setAppxml(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("META-INF/application.xml");
        super.addFileset(fs);
    }


    /**
     * Adds zipfileset.
     *
     * @param fs zipfileset to add
     */
    public void addArchives(ZipFileSet fs) {
        // We just set the prefix for this fileset, and pass it up.
        // Do we need to do this? LH
        fs.setPrefix("/");
        super.addFileset(fs);
    }


    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("appxml attribute is required", getLocation());
        }

        super.initZipOutputStream(zOut);
    }

    /**
     * Overriden from Zip class to deal with application.xml
     */
    protected void zipFile(File file, ZipOutputStream zOut, String vPath,
                           int mode)
        throws IOException {
        // If the file being added is META-INF/application.xml, we
        // warn if it's not the one specified in the "appxml"
        // attribute - or if it's being added twice, meaning the same
        // file is specified by the "appxml" attribute and in a
        // <fileset> element.
        if (vPath.equalsIgnoreCase("META-INF/application.xml"))  {
            if (deploymentDescriptor == null
                || !deploymentDescriptor.equals(file)
                || descriptorAdded) {
                log("Warning: selected " + archiveType
                    + " files include a META-INF/application.xml which will"
                    + " be ignored (please use appxml 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 application.xml next
     * time this task gets executed.
     */
    protected void cleanUp() {
        descriptorAdded = false;
        super.cleanUp();
    }
}
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