/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.xml;
import java.io.*;
//Jetspeed cache
import org.apache.jetspeed.cache.disk.*;
import org.xml.sax.*;
/**
* an entity resolver which tries to lookup DTD files
* through the URL Manager.
*
* TODO: Should be a singleton.
*
*@author <A HREF="mailto:christian.sell@netcologne.de">Christian Sell</A>
*@author <A HREF="mailto:sgala@hisitech.com">Santiago Gala</A>
*@version $Id: JetspeedXMLEntityResolver.java,v 1.8 2004/02/23 03:14:43 jford Exp $
*
**/
public class JetspeedXMLEntityResolver implements EntityResolver
{
public InputSource resolveEntity (String publicId, String systemId)
{
try {
//access Jetspeed cache and get a java.io.Reader
Reader rdr = JetspeedDiskCache.getInstance().
getEntry(systemId).getReader();
InputSource is = new InputSource(rdr);
is.setPublicId( publicId );
is.setSystemId( systemId );
return is;
} catch(IOException x)
{
System.err.println("JER: ( " + publicId +
" Taking " + systemId + " from cache throwed Exception: " + x);
}
return null;
}
}