/*

  *  Copyright (c) 2001-2009, Jean Tessier

  *  All rights reserved.

  *  

  *  Redistribution and use in source and binary forms, with or without

  *  modification, are permitted provided that the following conditions

  *  are met:

  *  

  *      * Redistributions of source code must retain the above copyright

  *        notice, this list of conditions and the following disclaimer.

  *  

  *      * 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.

  *  

  *      * Neither the name of Jean Tessier nor the names of his contributors

  *        may be used to endorse or promote products derived from this software

  *        without specific prior written permission.

  *  

  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  *  "AS IS" AND ANY EXPRESS 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 REGENTS OR

  *  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.

  */

 package com.jeantessier.dependencyfinder.ant;

 import java.io.*;

 import java.util.*;

 import com.jeantessier.classreader.*;

 import org.apache.tools.ant.*;

 import org.apache.tools.ant.types.*;

 public class ListDeprecatedElements extends Task {

     private File    destfile;

     private Path    path;

     public File getDestfile() {

         return destfile;

     }

     public void setDestfile(File destfile) {

         this.destfile = destfile;

     }

     public Path createPath() {

         if (path == null) {

             path = new Path(getProject());

         }

         return path;

     }

     public Path getPath() {

         return path;

     }

     public void execute() throws BuildException {

         // first off, make sure that we've got what we need

         if (getPath() == null) {

             throw new BuildException("path must be set!");

         }

         if (getDestfile() == null) {

             throw new BuildException("destfile must be set!");

         }

         log("Saving elements to " + getDestfile().getAbsolutePath());

         try {

             PrintWriter out = new PrintWriter(new FileWriter(getDestfile()));

             log("Reading classes from path " + getPath());

             VerboseListener    verboseListener = new VerboseListener(this);

             DeprecationPrinter printer         = new DeprecationPrinter(out);

             ClassfileLoader loader = new AggregatingClassfileLoader();

             loader.addLoadListener(verboseListener);

             loader.addLoadListener(new LoadListenerVisitorAdapter(printer));

             loader.load(Arrays.asList(getPath().list()));

             out.close();

         } catch (IOException ex) {

             throw new BuildException(ex);

         }

     }

 }