Subversion Repositories XServices

/*

 *   Copyright 2010 Brian Rosenberger (Brutex Network)

 *

 *   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 net.brutex.xservices.util;

import java.io.ByteArrayOutputStream;

import java.io.PrintStream;

import java.util.HashMap;

import java.util.Map;

import net.brutex.xservices.types.AntProperty;

import net.brutex.xservices.types.ReturnCode;

import org.apache.tools.ant.BuildException;

import org.apache.tools.ant.Project;

import org.apache.tools.ant.Target;

import org.apache.tools.ant.Task;

import org.apache.tools.ant.listener.TimestampedLogger;

import org.apache.tools.ant.taskdefs.Echo;

/**

 *

 * @author Brian Rosenberger, bru@brutex.de

 */

public class RunTask {

    Project antproject;

    Target anttarget;

    Task anttask;

    ByteArrayOutputStream myout = new ByteArrayOutputStream();

    ByteArrayOutputStream myerr = new ByteArrayOutputStream();

    PrintStream out = new PrintStream(myout);

    PrintStream err = new PrintStream(myerr);

    TimestampedLogger log = null;

    public RunTask(Task anttask) {

        antproject = new Project();

        antproject.init();

        antproject.setBasedir(System.getProperty("java.io.tmpdir"));

        log = new TimestampedLogger();

        log.setOutputPrintStream(out);

        log.setErrorPrintStream(err);

        log.setMessageOutputLevel(Echo.EchoLevel.WARN.getLevel());

        antproject.addBuildListener(log);

        anttarget = new Target();

        anttarget.setName("XBridgeNGDynamicTarget");

        anttarget.setProject(antproject);

        antproject.addTarget(anttarget);

        this.anttask = anttask;

        prepareTask();

    }

    private void prepareTask()

            throws BuildException {

        anttask.init();

        anttask.setProject(antproject);

        anttask.setOwningTarget(anttarget);

        anttarget.addTask(anttask);

        antproject.addOrReplaceTarget(anttarget);

    }

    public ReturnCode postTask() {

        int returnCode = 0;

        Map<String, String> origMap = new HashMap<String, String>();

        Map<String, String> newMap = null;

        origMap.putAll(antproject.getProperties());

        try {

            antproject.executeTarget(anttarget.getName());

        } catch (BuildException ex) {

            err.print(ex.getMessage());

            returnCode = 1;

        }

        newMap = antproject.getProperties();

        for (Map.Entry<String, String> e : origMap.entrySet()) {

            newMap.remove(e.getKey());

        }

        //anttask.execute();

        return new ReturnCode(returnCode,

                myout.toString(),

                myerr.toString(),

                AntProperty.createAntPropertyList(newMap));

    }

}