001: /* ====================================================================
002: * The JRefactory License, Version 1.0
003: *
004: * Copyright (c) 2001 JRefactory. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by the
021: * JRefactory (http://www.sourceforge.org/projects/jrefactory)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. The names "JRefactory" must not be used to endorse or promote
026: * products derived from this software without prior written
027: * permission. For written permission, please contact seguin@acm.org.
028: *
029: * 5. Products derived from this software may not be called "JRefactory",
030: * nor may "JRefactory" appear in their name, without prior written
031: * permission of Chris Seguin.
032: *
033: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
034: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
035: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
036: * DISCLAIMED. IN NO EVENT SHALL THE CHRIS SEGUIN OR
037: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
038: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
039: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
040: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
041: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
042: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
043: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
044: * SUCH DAMAGE.
045: * ====================================================================
046: *
047: * This software consists of voluntary contributions made by many
048: * individuals on behalf of JRefactory. For more information on
049: * JRefactory, please see
050: * <http://www.sourceforge.org/projects/jrefactory>.
051: */
052: package org.acm.seguin.tools.build;
053:
054: import java.io.*;
055: import java.util.LinkedList;
056: import org.acm.seguin.io.DirectoryTreeTraversal;
057:
058: /**
059: * Description of the Class
060: *
061: *@author Chris Seguin
062: *@created September 12, 2001
063: */
064: public class CleanClassFiles extends DirectoryTreeTraversal {
065: private LinkedList directoryList;
066: private PrintWriter output;
067:
068: /**
069: * Constructor for the CleanClassFiles object
070: *
071: *@param rootDir Description of Parameter
072: *@param out Description of Parameter
073: */
074: public CleanClassFiles(String rootDir, PrintWriter out) {
075: super (rootDir);
076: directoryList = new LinkedList();
077: output = out;
078: }
079:
080: /**
081: * Determines if this file should be handled by this traversal
082: *
083: *@param currentFile the current file
084: *@return true if the file should be handled
085: */
086: protected boolean isTarget(File currentFile) {
087: return currentFile.getName().endsWith(".java");
088: }
089:
090: /**
091: * Visits the current file
092: *
093: *@param currentFile the current file
094: */
095: protected void visit(File currentFile) {
096: String parentString = currentFile.getParent();
097: if (!directoryList.contains(parentString)) {
098: directoryList.add(parentString);
099: output.println("del " + parentString + File.separator
100: + "*.class");
101: }
102: }
103:
104: /**
105: * The main program for the CleanClassFiles class
106: *
107: *@param args The command line arguments
108: */
109: public static void main(String[] args) {
110: String directory = System.getProperty("user.dir");
111: PrintWriter out = null;
112:
113: try {
114: if (args.length > 0) {
115: out = new PrintWriter(new FileWriter(args[0]));
116: } else {
117: out = new PrintWriter(
118: new OutputStreamWriter(System.out));
119: }
120: } catch (IOException ioe) {
121: System.out.println("Unable to create the output file: "
122: + args[0]);
123: return;
124: }
125:
126: if (args.length > 1) {
127: directory = args[1];
128: }
129:
130: (new CleanClassFiles(directory, out)).run();
131:
132: out.flush();
133: out.close();
134: }
135: }
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