ohair@286: /*
alanb@368:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.xml.internal.ws.wsdl.parser;
ohair@286: 
ohair@286: import com.sun.xml.internal.ws.api.streaming.XMLStreamReaderFactory;
ohair@286: import com.sun.xml.internal.ws.api.wsdl.parser.XMLEntityResolver;
ohair@286: import com.sun.xml.internal.ws.streaming.TidyXMLStreamReader;
ohair@286: import org.xml.sax.EntityResolver;
ohair@286: import org.xml.sax.InputSource;
ohair@286: import org.xml.sax.SAXException;
ohair@286: 
ohair@286: import java.io.IOException;
ohair@286: import java.io.InputStream;
ohair@286: import java.net.URL;
ohair@286: 
ohair@286: /**
ohair@286:  * Wraps {@link EntityResolver} into {@link com.sun.xml.internal.ws.api.wsdl.parser.XMLEntityResolver}.
ohair@286:  *
ohair@286:  * @author Kohsuke Kawaguchi
ohair@286:  */
ohair@286: final class EntityResolverWrapper implements XMLEntityResolver {
ohair@286:     private final EntityResolver core;
ohair@286:     private boolean useStreamFromEntityResolver = false;
ohair@286: 
ohair@286:     public EntityResolverWrapper(EntityResolver core) {
ohair@286:         this.core = core;
ohair@286:     }
ohair@286: 
ohair@286:     public EntityResolverWrapper(EntityResolver core, boolean useStreamFromEntityResolver) {
ohair@286:         this.core = core;
ohair@286:         this.useStreamFromEntityResolver =  useStreamFromEntityResolver;
ohair@286:     }
ohair@286: 
ohair@286:     public Parser resolveEntity(String publicId, String systemId) throws SAXException, IOException {
ohair@286:         InputSource source = core.resolveEntity(publicId,systemId);
ohair@286:         if(source==null)
ohair@286:             return null;    // default
ohair@286: 
ohair@286:         // ideally entity resolvers should be giving us the system ID for the resource
ohair@286:         // (or otherwise we won't be able to resolve references within this imported WSDL correctly),
ohair@286:         // but if none is given, the system ID before the entity resolution is better than nothing.
ohair@286:         if(source.getSystemId()!=null)
ohair@286:             systemId = source.getSystemId();
ohair@286: 
ohair@286:         URL url = new URL(systemId);
ohair@286:         InputStream stream;
ohair@286:         if (useStreamFromEntityResolver) {
ohair@286:                 stream = source.getByteStream();
ohair@286:         } else {
ohair@286:                 stream = url.openStream();
ohair@286:         }
ohair@286:         return new Parser(url,
ohair@286:                 new TidyXMLStreamReader(XMLStreamReaderFactory.create(url.toExternalForm(), stream, true), stream));
ohair@286:     }
ohair@286: }