/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
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*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
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*/
/**
* @version 1.00 April 1, 2000
* @author Byron Nevins
*/
package com.sun.enterprise.util.diagnostics;
import java.io.*;
import java.util.*;
import java.util.jar.*;
import java.util.zip.*;
//Bug 4677074 begin
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
//Bug 4677074 end
public class JWhich
{
//Bug 4677074 begin
static Logger _logger=LogDomains.getLogger(LogDomains.UTIL_LOGGER);
//Bug 4677074 end
public static void main(String[] args)
{
if(args == null || args.length == 0)
{
usage();
return;
}
int argNum = 0;
if(args[0].toLowerCase().equals("-classpath"))//NOI18N
{
if(args.length != 3)
{
usage();
return;
}
new JWhich(args[2], args[1]);
}
else
{
new JWhich(args[0]);
}
}
///////////////////////////////////////////////////////////
public JWhich(String classname, String classpathArg)
{
this.classpathArg = classpathArg;
ctor(classname);
}
///////////////////////////////////////////////////////////
public JWhich(String classname)
{
ctor(classname);
}
///////////////////////////////////////////////////////////
public String getResult()
{
return result;
}
///////////////////////////////////////////////////////////
private void ctor(String classname)
{
this.classname = classname;
//if(doExhaustive)
//doReflect = false;
initClasspath();
fixClassname();
String[] locations = findClass();
pr("");//NOI18N
if(locations == null || locations.length <= 0)
{
pr("Can't find class");//NOI18N
return;
}
for(int i = 0; i < locations.length; i++)
pr(classname + " located in " + locations[i]);//NOI18N
//if(doReflect)
//new Reflect(classname);
}
///////////////////////////////////////////////////////////
private static void usage()
{
System.out.println("Usage: java " + JWhich.class.getName() + " [-classpath a_classpath] classname");//NOI18N
}
///////////////////////////////////////////////////////////
private void initClasspath()
{
String cp;
if(classpathArg == null)
cp = System.getProperty("java.class.path");//NOI18N
else
cp = classpathArg;
StringTokenizer tokens = new StringTokenizer(cp, ";", false);//NOI18N
int nTokens = tokens.countTokens();
classpath = new String[nTokens];
debug("" + nTokens + " tokens.");//NOI18N
for(int i = 0; tokens.hasMoreTokens(); i++)
{
String s = tokens.nextToken();
debug(s);
classpath[i] = s;
}
}
///////////////////////////////////////////////////////////
private void fixClassname()
{
// change as follows:
// com.netscape.blizzard.foo --> com\netscape\blizzard\foo
// com/netscape/blizzard/foo --> com\netscape\blizzard\foo
// com/netscape\blizzard.foo --> com\netscape\blizzard\foo
debug("old classname: " + classname);//NOI18N
jarClassname = classname;
classname = classname.replace('.', File.separatorChar);
if(File.separatorChar != '/')
classname = classname.replace('/', File.separatorChar);
if(File.separatorChar != '\\')
classname = classname.replace('\\', File.separatorChar);
// classnames in jars ALWAYS look like: com/foo/goo.class
jarClassname = jarClassname.replace('.', '/');
jarClassname = jarClassname.replace('\\', '/');
classname = classname + ".class";//NOI18N
jarClassname = jarClassname + ".class";//NOI18N
debug("new classname: " + classname);//NOI18N
debug("new jarClassname: " + jarClassname);//NOI18N
}
///////////////////////////////////////////////////////////
private String[] findClass()
{
ArrayList names = new ArrayList();
for(int i = 0; i < classpath.length; i++)
{
String path = classpath[i];
if(findClass(path))
{
names.add(path);
debug("FOUND IT: " + path);//NOI18N
}
}
int num = names.size();
debug("Found it in " + num + " places");//NOI18N
if(num <= 0)
{
return null;
}
String[] ss = new String[num];
ss = (String[])names.toArray(ss);
return ss;
}
///////////////////////////////////////////////////////////
private boolean findClass(String path)
{
if(path.toLowerCase().endsWith(".jar"))//NOI18N
{
return findClassInJar(path);
}
File f = new File(path + File.separator + classname);
debug("Looking for " + f);//NOI18N
return f.exists();
}
///////////////////////////////////////////////////////////
private boolean findClassInJar(String path)
{
ZipInputStream zin = null;
try
{
zin = new ZipInputStream(new FileInputStream(path));
ZipEntry entry;
while((entry = zin.getNextEntry()) != null)
{
String name = entry.getName();
zin.closeEntry();
if(name.equals(jarClassname))
{
zin.close();
return true;
}
}
zin.close();
}
catch(IOException e)
{
debug("" + e + " " + path);//NOI18N
}
return false;
}
///////////////////////////////////////////////////////////
private void debug(String s)
{
if(debug_)
pr(s);
}
///////////////////////////////////////////////////////////
private void pr(String s)
{
//Bug 4677074 System.out.println(s);
//Bug 4677074 begin
_logger.log(Level.FINE,s);
//Bug 4677074 end
result += s;
}
///////////////////////////////////////////////////////////
private String[] classpath = null;
private String classpathArg = null;
private String classname = null;
private String jarClassname = null;
private boolean doReflect = false;
private boolean doExhaustive = true;
private boolean debug_ = false;
private String result = new String();
}
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