| /* |
| * Copyright 1999-2004 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.cocoon.xml; |
| |
| import org.apache.avalon.framework.logger.AbstractLogEnabled; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Logging entity resolver to assist in caching. |
| * |
| * @version $Id$ |
| */ |
| public class LoggingEntityResolver extends AbstractLogEnabled implements EntityResolver { |
| |
| protected EntityResolver resolver; |
| protected Set dependencies; |
| |
| public LoggingEntityResolver(EntityResolver resolver) { |
| this.resolver = resolver; |
| dependencies = new HashSet(); |
| } |
| |
| public InputSource resolveEntity(String public_id, String system_id) throws SAXException,IOException { |
| InputSource input_source = resolver.resolveEntity(public_id,system_id); |
| dependencies.add(input_source); |
| getLogger().debug("Dependency: "+input_source.getSystemId()); |
| return input_source; |
| } |
| |
| public Set getDependencies() { |
| return Collections.unmodifiableSet(dependencies); |
| } |
| |
| } |