/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. 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. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS 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 PUNCH TELEMATIX OR OTHER CONTRIBUTORS 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. *
**************************************************************************/
/*
** $Id: ClassLoaderURLHandler.java,v 1.2 2006/05/16 08:24:41 cvs Exp $
*/
package wonka.vm;
import java.io.*;
import java.net.JarURLConnection;
import java.net.URL;
import java.util.jar.Manifest;
import java.util.jar.JarFile;
public class ClassLoaderURLHandler {
private static final Manifest emptyMan = new Manifest();
private static boolean verbose = false;
private static void debug(String s) {
if (verbose) {
System.err.println(s);
}
}
public static ClassLoaderURLHandler[] createClassLoaderURLHandlers(URL[] urls){
int length = urls.length;
ClassLoaderURLHandler[] handlers = new ClassLoaderURLHandler[length];
for(int i = 0 ; i < length ; i++){
debug("Loading: URL [" + i + "] = " + urls[i]);
handlers[i] = createClassLoaderURLHandler(urls[i]);
debug("Loading: URL handler [" + i + "] = " + handlers[i]);
}
return handlers;
}
public static ClassLoaderURLHandler createClassLoaderURLHandler(URL url){
try {
String protocol = url.getProtocol();
if(protocol.equals("file")){
File f = new File(url.getFile());
if(f.isDirectory()){
return new CLFileHandler(f);
}
else if(f.isFile()){
//is this an archive file !!!
URL jUrl = new URL("jar:"+url+"!/");
return new CLJarHandler(new JarFile(f), jUrl);
}
}
else if(protocol.equals("jar")){
JarURLConnection jfc = (JarURLConnection)url.openConnection();
if(jfc.getJarEntry() == null){
return new CLJarHandler(jfc.getJarFile(), url);
}
else {
return new CLUrlHandler(url);
}
}
else if(protocol.equals("http")){
return new CLHttpHandler(url);
}
else {
return new CLUrlHandler(url);
}
}
catch(Exception e){
/* no valid url! */
e.printStackTrace();
}
return new ClassLoaderURLHandler();
}
public byte[] getByteArray(String resource){
return null;
}
public InputStream getInputStream(String resource){
return null;
}
public URL getURL(String resource){
return null;
}
public Manifest getManifest(){
return emptyMan;
}
}