/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-04 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.source;
import java.io.IOException;
import java.net.URL;
/**
* A source loaded through the current context class loader.
*
* @author wolf
*/
public class ClassLoaderSource extends URLSource {
public final static String PROTOCOL = "resource:";
/**
* @param source The resource name (e.g. url).
*
* <p> The name of a resource is a '<tt>/</tt>'-separated path name that
* identifies the resource. Preceding "/" and "resource:"" are removed.
*/
public ClassLoaderSource(String source) throws IOException {
if(source.startsWith(PROTOCOL))
{source = source.substring(PROTOCOL.length());}
if(source.startsWith("/"))
{source = source.substring(1);}
final ClassLoader cl = Thread.currentThread().getContextClassLoader();
final URL url = cl.getResource(source);
if(url == null)
{throw new IOException("Source not found: " + source);}
setURL(url);
}
@Override
public String type() {
final String protocol = url.getProtocol();
final String host = url.getHost();
if(protocol.equals("file") && (host == null || host.length() == 0 || "localhost".equals(host) || "127.0.0.1".equals(host)))
{
return "File";
}
return "Classloader";
}
}