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 JarDirectoryBuilder extends DirectoryTreeTraversal {
065: private LinkedList directoryList;
066: private PrintWriter output;
067: private int rootLength;
068: private boolean first;
069: private String jarFile;
070: private int directoryCount;
071: private String manifest;
072:
073: private final static int MAX_DIRS = 5;
074:
075: /**
076: * Constructor for the JarDirectoryBuilder object
077: *
078: *@param jarFile Description of Parameter
079: *@param rootDir Description of Parameter
080: *@param out Description of Parameter
081: *@param initManifest Description of Parameter
082: */
083: public JarDirectoryBuilder(String jarFile, String rootDir,
084: PrintWriter out, String initManifest) {
085: super (rootDir);
086: directoryList = new LinkedList();
087: output = out;
088: first = true;
089: rootLength = rootDir.length();
090: this .jarFile = jarFile;
091: directoryCount = 0;
092: manifest = initManifest;
093: }
094:
095: /**
096: * Determines if this file should be handled by this traversal
097: *
098: *@param currentFile the current file
099: *@return true if the file should be handled
100: */
101: protected boolean isTarget(File currentFile) {
102: return currentFile.getName().endsWith(".class");
103: }
104:
105: /**
106: * Visits the current file
107: *
108: *@param currentFile the current file
109: */
110: protected void visit(File currentFile) {
111: String parentString = currentFile.getParent();
112: if (!directoryList.contains(parentString)) {
113: directoryList.add(parentString);
114:
115: if (directoryCount % MAX_DIRS == 0) {
116: if (first) {
117: output.print("jar cfm " + jarFile + " " + manifest);
118: first = false;
119: } else {
120: output.print("jar uf " + jarFile);
121: }
122: }
123: directoryCount++;
124:
125: if (parentString.length() == rootLength) {
126: output.print(" *.class");
127: } else {
128: output.print(" "
129: + parentString.substring(rootLength + 1)
130: + File.separator + "*.class");
131: }
132:
133: if (directoryCount % MAX_DIRS == 0) {
134: output.println("");
135: }
136: }
137: }
138:
139: /**
140: * The main program for the JarDirectoryBuilder class
141: *
142: *@param args The command line arguments
143: */
144: public static void main(String[] args) {
145: String jarFile = "sample.jar";
146: String directory = System.getProperty("user.dir");
147: PrintWriter out = null;
148: String manifest = "META-INF/Manifest.MF";
149:
150: if (args.length > 0) {
151: jarFile = args[0];
152: }
153:
154: try {
155: if (args.length > 1) {
156: out = new PrintWriter(new FileWriter(args[1]));
157: } else {
158: out = new PrintWriter(
159: new OutputStreamWriter(System.out));
160: }
161: } catch (IOException ioe) {
162: System.out.println("Unable to create the output file: "
163: + args[0]);
164: return;
165: }
166:
167: if (args.length > 2) {
168: directory = args[2];
169: }
170:
171: if (args.length > 3) {
172: manifest = args[3];
173: }
174:
175: (new JarDirectoryBuilder(jarFile, directory, out, manifest))
176: .run();
177:
178: out.println("");
179:
180: out.flush();
181: out.close();
182: }
183: }
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