/*

  * The Apache Software License, Version 1.1

  *

  * Copyright (C) 2000-2002 The Apache Software Foundation.  All rights

  * reserved.

  * Copyright (C) 2003 jcoverage ltd.

  * Copyright (C) 2005 Mark Doliner

  * Copyright (C) 2005 Joakim Erdfelt

  * Copyright (C) 2005 Grzegorz Lukasik

  *

  * 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 net.sourceforge.cobertura.ant;

 import java.io.IOException;

 import net.sourceforge.cobertura.util.CommandLineBuilder;

 import org.apache.tools.ant.BuildException;

 import org.apache.tools.ant.Project;

 public class MergeTask extends CommonMatchingTask

 {

         private String dataFile = null;

         public MergeTask()

         {

                 super("net.sourceforge.cobertura.merge.Main");

         }

         public void execute() throws BuildException {

                 CommandLineBuilder builder = null;

                 try {

                         builder = new CommandLineBuilder();

                         if (dataFile != null)

                                 builder.addArg("--datafile", dataFile);

                         createArgumentsForFilesets(builder);

                         builder.saveArgs();

                 } catch (IOException ioe) {

                         getProject().log("Error creating commands file.", Project.MSG_ERR);

                         throw new BuildException("Unable to create the commands file.", ioe);

                 }

                 // Execute GPL licensed code in separate virtual machine

                 getJava().createArg().setValue("--commandsfile");

                 getJava().createArg().setValue(builder.getCommandLineFile());

                 AntUtil.transferCoberturaDataFileProperty(getJava());

                 if (getJava().executeJava() != 0) {

                         throw new BuildException(

                                         "Error running reports. See messages above.");

                 }

                 builder.dispose();

         }

         public void setDataFile(String dataFile)

         {

                 this.dataFile = dataFile;

         }

 }