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/**
 * JOnAS: Java(TM) Open Application Server
 * Copyright (C) 2004-2008 Bull S.A.S.
 * Contact: [email protected]
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *
 * --------------------------------------------------------------------------
 * $Id: JmsRa.java 15428 2008-10-07 11:20:29Z sauthieg $
 * --------------------------------------------------------------------------
 */

package org.ow2.jonas.ant.jonasbase;

import java.io.File;
import java.util.Date;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.Copy;
import org.apache.tools.ant.taskdefs.Expand;
import org.apache.tools.ant.taskdefs.Java;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.selectors.FilenameSelector;
import org.ow2.jonas.ant.JOnASAntTool;




/**
 * Allow to create/adapt the JMS resource adaptor.
 * @author Benoit Pelletier
 */
public class JmsRa extends JTask implements BaseTaskItf {

    /**
     * Info for the logger.
     */
    private static final String INFO = "[JmsRa] ";

    /**
     * Name of the rar.
     */
    private static final String JONAS_JORAMRA = "joram_ra_for_jonas.rar";

    /**
     * RAConfig classname.
     */
    private static final String RACONFIG_CLASS = "org.ow2.jonas.generators.raconfig.RAConfig";

    /**
     * Default port number.
     */
    private static final String DEFAULT_PORT = "16010";

    /**
     * Port number of the server.
     */
    private String serverPort = DEFAULT_PORT;


    /**
     * Set the port number.
     * @param serverPort the port nb
     */
    public void setServerPort(final String serverPort) {
        this.serverPort = serverPort;
    }

    /**
     * Execute this task.
     */
    @Override
    public void execute() {

        // Build new temp file for making a resource adaptor
        File tmpFile = new File(System.getProperty("java.io.tmpdir"), String.valueOf(new Date().getTime()));

        // Copy the RAR file from JONAS_ROOT to JONAS_BASE
        String srcRarDir = getJonasRoot().getPath() + File.separator + "deploy";
        String dstRarDir = getDestDir().getPath() + File.separator + "deploy";
        String dstRarFileName = dstRarDir + File.separator + JONAS_JORAMRA;

        Copy copy = new Copy();
        JOnASAntTool.configure(this, copy);
        copy.setTodir(new File(dstRarDir));
        FilenameSelector fns1 = new FilenameSelector();
        fns1.setName(JONAS_JORAMRA);
        FileSet fs1 = new FileSet();
        fs1.setDir(new File(srcRarDir));
        fs1.addFilename(fns1);
        copy.addFileset(fs1);
        copy.setOverwrite(true);
        try {
            copy.execute();
        } catch (Exception rae) {
            rae.printStackTrace();
            JOnASAntTool.deleteAllFiles(tmpFile);
            throw new BuildException(INFO + "Cannot copy " + JONAS_JORAMRA + " file : ", rae);
        }

        // Extract the jonas-ra.xml
        Expand jarTask = new Expand();
        JOnASAntTool.configure(this, jarTask);
        jarTask.setDest(tmpFile);
        jarTask.setSrc(new File(dstRarFileName));
        try {
            jarTask.execute();
        } catch (Exception rae) {
            rae.printStackTrace();
            JOnASAntTool.deleteAllFiles(tmpFile);
            throw new BuildException(INFO + "Cannot extract jonas-ra.xml with jar command : ", rae);
        }

        // update the jonas-ra.xml
        Replace replaceTask = new Replace();
        JOnASAntTool.configure(this, replaceTask);
        replaceTask.setFile(new File(tmpFile.getPath() + File.separator + "META-INF/jonas-ra.xml"));

        String token = "ServerPort"
                       + "\n"
                       + "    ";
        String value = "ServerPort"
                       + "\n"
                       + "    " + serverPort + "";

        replaceTask.setToken(token);
        replaceTask.setValue(value);
        try {
            replaceTask.execute();
        } catch (Exception rae) {
            rae.printStackTrace();
            JOnASAntTool.deleteAllFiles(tmpFile);
            throw new BuildException(INFO + "Cannot replace port number in the jonas-ra.xml file : ", rae);
        }

        // update the archive
        Java raConfigTask = getBootstraptask("", false);

        // Add the ra-config Jar in the Java classpath path
        String clientJar = getJonasRoot().getPath() + File.separator + "lib" + File.separator + "client.jar";
        String raConfigJar = getJonasRoot().getPath() + File.separator + "lib" + File.separator + "jonas-generators-raconfig.jar";
        Path classpath = new Path(raConfigTask.getProject(), clientJar);
        classpath.append(new Path(raConfigTask.getProject(), raConfigJar));
        raConfigTask.setClasspath(classpath);

        JOnASAntTool.configure(this, raConfigTask);
        raConfigTask.clearArgs();
        raConfigTask.createArg().setValue(RACONFIG_CLASS);
        raConfigTask.createArg().setValue("-u");
        raConfigTask.createArg().setValue(tmpFile.getPath() + File.separator + "META-INF/jonas-ra.xml");
        raConfigTask.createArg().setValue(dstRarFileName);

        try {
            raConfigTask.execute();
        } catch (Exception rae) {
            rae.printStackTrace();
            throw new BuildException(INFO + "Cannot make a resource adaptor on RAConfig: ", rae);
        } finally {
            JOnASAntTool.deleteAllFiles(tmpFile);
        }

        log(INFO + "Setting Port number to :" + serverPort + " in the rar '" + dstRarFileName + "'.");
    }
}