001: /* ====================================================================
002: * The QueryForm License, Version 1.1
003: *
004: * Copyright (c) 1998 - 2003 David F. Glasser. 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,
020: * if any, must include the following acknowledgment:
021: * "This product includes software developed by
022: * David F. Glasser."
023: * Alternately, this acknowledgment may appear in the software itself,
024: * if and wherever such third-party acknowledgments normally appear.
025: *
026: * 4. The names "QueryForm" and "David F. Glasser" must
027: * not be used to endorse or promote products derived from this
028: * software without prior written permission. For written
029: * permission, please contact dglasser@pobox.com.
030: *
031: * 5. Products derived from this software may not be called "QueryForm",
032: * nor may "QueryForm" appear in their name, without prior written
033: * permission of David F. Glasser.
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 DAVID F. GLASSER, THE APACHE SOFTWARE
039: * FOUNDATION OR ITS CONTRIBUTORS, OR ANY AUTHORS OR DISTRIBUTORS
040: * OF THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This product includes software developed by the
051: * Apache Software Foundation (http://www.apache.org/).
052: *
053: * ====================================================================
054: *
055: * $Source: /cvsroot/qform/qform/src/org/glasser/util/JarSearcher.java,v $
056: * $Revision: 1.1 $
057: * $Author: dglasser $
058: * $Date: 2003/01/25 23:17:02 $
059: *
060: * --------------------------------------------------------------------
061: */
062: package org.glasser.util;
063:
064: import java.io.*;
065: import java.util.*;
066: import java.util.zip.*;
067: import java.io.*;
068:
069: /**
070: * This program will search all jar and zip files in the current directory for
071: * a given class file.
072: *
073: * @author Dave Glasser
074: */
075: public class JarSearcher {
076:
077: /**
078: * Returns true if the jar or zip file at jarFilePath contains (with the internal
079: * path) the file named by classFilePath.
080: */
081: public static boolean searchJarFile(String jarFilePath,
082: String classFilePath) {
083: return searchJarFile(new File(jarFilePath), classFilePath);
084: }
085:
086: public static boolean searchJarFile(File file, String classFilePath) {
087:
088: try {
089: if (!file.exists())
090: return false;
091:
092: ZipFile jarFile = new ZipFile(file);
093: if (jarFile.getEntry(classFilePath) != null) {
094: jarFile.close();
095: return true;
096: } else {
097: jarFile.close();
098: return false;
099: }
100: } catch (IOException ex) {
101: System.out.println(ex.toString());
102: return false;
103: }
104: }
105:
106: static class ArchiveFilter implements FileFilter {
107:
108: public boolean accept(File pathName) {
109: String upcase = pathName.getName().toUpperCase();
110: if (upcase.endsWith(".ZIP") || upcase.endsWith(".JAR"))
111: return true;
112: return false;
113: }
114: }
115:
116: public static void main(String[] args) {
117: if (args.length == 0) {
118: System.out
119: .println("usage: java ClassFinder <class name>\n\n"
120: + "example: java ClassFinder java.lang.String\n");
121: System.exit(0);
122: }
123:
124: File cwd = new File(".");
125: File[] archives = cwd.listFiles(new ArchiveFilter());
126:
127: String classFileName = args[0].replace('.', '/');
128: if (classFileName.endsWith(".class") == false) {
129: classFileName += ".class";
130: }
131:
132: System.out.println("Searching for " + classFileName + " ...");
133: for (int j = 0; j < archives.length; j++) {
134: // System.out.println("Searching " + archives[j].getName());
135: if (searchJarFile(archives[j], classFileName)) {
136: System.out.println("FOUND IN " + archives[j].getName());
137: }
138: }
139: }
140: }
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