Mega Code Archive
Search all jar and zip files in the current directory for a given class file
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/*
* The QueryForm License, Version 1.1
*
* Copyright (c) 1998 - 2003 David F. Glasser. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* David F. Glasser."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "QueryForm" and "David F. Glasser" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact dglasser@pobox.com.
*
* 5. Products derived from this software may not be called "QueryForm",
* nor may "QueryForm" appear in their name, without prior written
* permission of David F. Glasser.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 DAVID F. GLASSER, THE APACHE SOFTWARE
* FOUNDATION OR ITS CONTRIBUTORS, OR ANY AUTHORS OR DISTRIBUTORS
* OF THIS SOFTWARE 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.
*
*
* This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/).
*
*
*
* $Source: /cvsroot/qform/qform/src/org/glasser/util/JarSearcher.java,v $
* $Revision: 1.1 $
* $Author: dglasser $
* $Date: 2003/01/25 23:17:02 $
*
* --------------------------------------------------------------------
*/
import java.io.*;
import java.util.*;
import java.util.zip.*;
import java.io.*;
/**
* This program will search all jar and zip files in the current directory for
* a given class file.
*
* @author Dave Glasser
*/
public class JarSearcher {
/**
* Returns true if the jar or zip file at jarFilePath contains (with the internal
* path) the file named by classFilePath.
*/
public static boolean searchJarFile(String jarFilePath, String classFilePath) {
return searchJarFile( new File(jarFilePath), classFilePath);
}
public static boolean searchJarFile(File file, String classFilePath) {
try {
if(!file.exists()) return false;
ZipFile jarFile = new ZipFile(file);
if(jarFile.getEntry(classFilePath) != null) {
jarFile.close();
return true;
}
else {
jarFile.close();
return false;
}
}
catch(IOException ex) {
System.out.println(ex.toString());
return false;
}
}
static class ArchiveFilter implements FileFilter {
public boolean accept(File pathName) {
String upcase = pathName.getName().toUpperCase();
if(upcase.endsWith(".ZIP") || upcase.endsWith(".JAR")) return true;
return false;
}
}
public static void main (String[] args) {
if(args.length == 0) {
System.out.println("usage: java ClassFinder <class name>\n\n"
+ "example: java ClassFinder java.lang.String\n");
System.exit(0);
}
File cwd = new File(".");
File[] archives = cwd.listFiles(new ArchiveFilter());
String classFileName = args[0].replace('.', '/');
if(classFileName.endsWith(".class") == false) {
classFileName += ".class";
}
System.out.println("Searching for " + classFileName + " ...");
for(int j=0; j<archives.length; j++) {
// System.out.println("Searching " + archives[j].getName());
if(searchJarFile(archives[j], classFileName)) {
System.out.println("FOUND IN " + archives[j].getName());
}
}
}
}
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