aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.tools.internal.ws.wsdl.parser;
aoqi@0: 
aoqi@0: import org.w3c.dom.Document;
aoqi@0: import org.xml.sax.ContentHandler;
aoqi@0: import org.xml.sax.EntityResolver;
aoqi@0: import org.xml.sax.ErrorHandler;
aoqi@0: import org.xml.sax.InputSource;
aoqi@0: import org.xml.sax.SAXException;
aoqi@0: 
aoqi@0: import java.io.IOException;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.xsom.parser.XMLParser;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link XMLParser} implementation that
aoqi@0:  * parses XML from a DOM forest instead of parsing it from
aoqi@0:  * its original location.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
aoqi@0:  * @author Vivek Pandey
aoqi@0:  */
aoqi@0: public class DOMForestParser implements XMLParser {
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * DOM forest to be "parsed".
aoqi@0:      */
aoqi@0:     private final DOMForest forest;
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Scanner object will do the actual SAX events generation.
aoqi@0:      */
aoqi@0:     private final DOMForestScanner scanner;
aoqi@0: 
aoqi@0:     private final XMLParser fallbackParser;
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * @param fallbackParser This parser will be used when DOMForestParser needs to parse
aoqi@0:      *                       documents that are not in the forest.
aoqi@0:      */
aoqi@0:     public DOMForestParser(DOMForest forest, XMLParser fallbackParser) {
aoqi@0:         this.forest = forest;
aoqi@0:         this.scanner = new DOMForestScanner(forest);
aoqi@0:         this.fallbackParser = fallbackParser;
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     public void parse(InputSource source, ContentHandler handler,  EntityResolver entityResolver, ErrorHandler errHandler) throws SAXException, IOException {
aoqi@0: 
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void parse(InputSource source, ContentHandler handler, ErrorHandler errorHandler, EntityResolver entityResolver)
aoqi@0: 
aoqi@0:             throws SAXException, IOException {
aoqi@0:         String systemId = source.getSystemId();
aoqi@0:         Document dom = forest.get(systemId);
aoqi@0: 
aoqi@0:         if (dom == null) {
aoqi@0:             // if no DOM tree is built for it,
aoqi@0:             // let the fall back parser parse the original document.
aoqi@0:             //
aoqi@0:             // for example, XSOM parses datatypes.xsd (XML Schema part 2)
aoqi@0:             // but this will never be built into the forest.
aoqi@0:             fallbackParser.parse(source, handler, errorHandler, entityResolver);
aoqi@0:             return;
aoqi@0:         }
aoqi@0: 
aoqi@0:         scanner.scan(dom, handler);
aoqi@0: 
aoqi@0:     }
aoqi@0: }