1 /* 2 * Copyright 2000-2001,2004 The Apache Software Foundation. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.apache.jetspeed.xml; 18 19 import java.io.*; 20 //Jetspeed cache 21 import org.apache.jetspeed.cache.disk.*; 22 23 import org.xml.sax.*; 24 25 26 /*** 27 * an entity resolver which tries to lookup DTD files 28 * through the URL Manager. 29 * 30 * TODO: Should be a singleton. 31 * 32 *@author <A HREF="mailto:christian.sell@netcologne.de">Christian Sell</A> 33 *@author <A HREF="mailto:sgala@hisitech.com">Santiago Gala</A> 34 *@version $Id: JetspeedXMLEntityResolver.java,v 1.8 2004/02/23 03:14:43 jford Exp $ 35 * 36 **/ 37 public class JetspeedXMLEntityResolver implements EntityResolver 38 { 39 public InputSource resolveEntity (String publicId, String systemId) 40 { 41 try { 42 //access Jetspeed cache and get a java.io.Reader 43 Reader rdr = JetspeedDiskCache.getInstance(). 44 getEntry(systemId).getReader(); 45 InputSource is = new InputSource(rdr); 46 is.setPublicId( publicId ); 47 is.setSystemId( systemId ); 48 return is; 49 } catch(IOException x) 50 { 51 System.err.println("JER: ( " + publicId + 52 " Taking " + systemId + " from cache throwed Exception: " + x); 53 54 } 55 return null; 56 } 57 }