/* * Copyright 2003 Federal Chancellery Austria * MOA-ID has been developed in a cooperation between BRZ, the Federal * Chancellery Austria - ICT staff unit, and Graz University of Technology. * * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by * the European Commission - subsequent versions of the EUPL (the "Licence"); * You may not use this work except in compliance with the Licence. * You may obtain a copy of the Licence at: * http://www.osor.eu/eupl/ * * Unless required by applicable law or agreed to in writing, software * distributed under the Licence is distributed on an "AS IS" basis, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the Licence for the specific language governing permissions and * limitations under the Licence. * * This product combines work with different licenses. See the "NOTICE" text * file for details on the various modules and licenses. * The "NOTICE" text file is part of the distribution. Any derivative works * that you distribute must include a readable copy of the "NOTICE" text file. */ package at.gv.egovernment.moa.util; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.xml.sax.EntityResolver; import org.xml.sax.InputSource; import org.xml.sax.SAXException; /** * Implementation of the <code>org.xml.sax.EntityResolver</code>, * for use by a <code>org.apache.xerces.parsers.DOMParser</code>. * * @author Patrick Peck * @version $Id$ */ public class EntityResolverChain implements EntityResolver { /** The <code>EntityResolver</code>s in the chain. */ private List resolvers = new ArrayList(); /** * @see org.xml.sax.EntityResolver#resolveEntity(java.lang.String, java.lang.String) */ public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException { Iterator iter; for (iter = resolvers.iterator(); iter.hasNext(); ) { EntityResolver resolver = (EntityResolver) iter.next(); InputSource is = resolver.resolveEntity(publicId, systemId); if (is != null) { return is; } } return null; } /** * Add an <code>EntityResolver</code> to the chain. * * @param entityResolver The <code>EntityResolver</code> to add. */ public void addEntityResolver(EntityResolver entityResolver) { resolvers.add(entityResolver); } }