1 /* 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.internal.ws.util; 27 28 import org.xml.sax.EntityResolver; 29 import org.xml.sax.InputSource; 30 import org.xml.sax.SAXException; 31 32 import java.io.IOException; 33 34 /** 35 * {@link EntityResolver} that delegates to two {@link EntityResolver}s. 36 * 37 * @author WS Development Team 38 */ 39 public class ForkEntityResolver implements EntityResolver { 40 private final EntityResolver lhs; 41 private final EntityResolver rhs; 42 43 public ForkEntityResolver(EntityResolver lhs, EntityResolver rhs) { 44 this.lhs = lhs; 45 this.rhs = rhs; 46 } 47 48 public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException { 49 InputSource is = lhs.resolveEntity(publicId, systemId); 50 if(is!=null) 51 return is; 52 53 if(publicId == null) { 54 // WorkAround: Ant's XMLCatalog supports public IDs only, this allows us to treat it as system IDs 55 publicId = systemId; 56 } 57 58 return rhs.resolveEntity(publicId, systemId); 59 } 60 }