001/*
002 * The Apache Software License, Version 1.1
003 *
004 * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
005 * reserved.
006 *
007 * Redistribution and use in source and binary forms, with or without
008 * modification, are permitted provided that the following conditions
009 * are met:
010 *
011 * 1. Redistributions of source code must retain the above copyright
012 *    notice, this list of conditions and the following disclaimer.
013 *
014 * 2. Redistributions in binary form must reproduce the above copyright
015 *    notice, this list of conditions and the following disclaimer in
016 *    the documentation and/or other materials provided with the
017 *    distribution.
018 *
019 * 3. The end-user documentation included with the redistribution, if
020 *    any, must include the following acknowlegement:
021 *       "This product includes software developed by the
022 *        Apache Software Foundation (http://www.apache.org/)."
023 *    Alternately, this acknowlegement may appear in the software itself,
024 *    if and wherever such third-party acknowlegements normally appear.
025 *
026 * 4. The names "Ant" and "Apache Software
027 *    Foundation" must not be used to endorse or promote products derived
028 *    from this software without prior written permission. For written
029 *    permission, please contact apache@apache.org.
030 *
031 * 5. Products derived from this software may not be called "Apache"
032 *    nor may "Apache" appear in their names without prior written
033 *    permission of the Apache Group.
034 *
035 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046 * SUCH DAMAGE.
047 * ====================================================================
048 *
049 * This software consists of voluntary contributions made by many
050 * individuals on behalf of the Apache Software Foundation.  For more
051 * information on the Apache Software Foundation, please see
052 * <http://www.apache.org/>.
053 */
054package com.jcoverage.ant;
055
056import java.io.File;
057import java.io.FileInputStream;
058import java.io.FileOutputStream;
059import java.io.InputStream;
060import java.io.IOException;
061import java.io.OutputStream;
062
063import java.util.Arrays;
064import java.util.HashSet;
065import java.util.Iterator;
066import java.util.LinkedList;
067import java.util.List;
068import java.util.Set;
069
070import org.apache.tools.ant.AntClassLoader;
071import org.apache.tools.ant.BuildException;
072import org.apache.tools.ant.Project;
073import org.apache.tools.ant.taskdefs.Copy;
074import org.apache.tools.ant.taskdefs.Java;
075import org.apache.tools.ant.taskdefs.MatchingTask;
076import org.apache.tools.ant.types.FileSet;
077import org.apache.tools.ant.types.Path;
078import org.apache.tools.ant.types.Reference;
079import org.apache.tools.ant.util.IdentityMapper;
080import org.apache.tools.ant.util.SourceFileScanner;
081
082
083public class MergeTask extends CommonMatchingTask {
084  public MergeTask() {
085    super("com.jcoverage.tool.merge.Main");
086  }
087
088  void merge(String[] filenames) {
089    if(filenames.length==0) {
090      return;
091    }
092
093    for(int i=0;i<filenames.length;i++) {
094      getProject().log("Adding "+filenames[i]+" to list",Project.MSG_VERBOSE);
095      getJava().createArg().setValue("-i");
096      getJava().createArg().setValue(filenames[i]);
097    }
098
099    if(getJava().executeJava()!=0) {
100      throw new BuildException();
101    }
102  }
103
104  public void execute() throws BuildException {
105    if(toDir!=null) {
106      getJava().createArg().setValue("-o");
107      getJava().createArg().setValue(toDir.toString());
108    }
109
110    Set filenames=new HashSet();
111    Iterator i=fileSets.iterator();
112
113    while(i.hasNext()) {
114      FileSet fileSet=(FileSet)i.next();
115      filenames.addAll(Arrays.asList(getFilenames(fileSet)));
116    }
117
118    merge((String[])filenames.toArray(new String[filenames.size()]));
119  }
120}