| /* |
| * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.xjc.reader.internalizer; |
| |
| import java.io.IOException; |
| |
| import com.sun.xml.internal.xsom.parser.XMLParser; |
| |
| import org.w3c.dom.Document; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.ErrorHandler; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| |
| /** |
| * {@link XMLParser} implementation that |
| * parses XML from a DOM forest instead of parsing it from |
| * its original location. |
| * |
| * @author |
| * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
| */ |
| class DOMForestParser implements XMLParser { |
| |
| /** DOM forest to be "parsed". */ |
| private final DOMForest forest; |
| |
| /** Scanner object will do the actual SAX events generation. */ |
| private final DOMForestScanner scanner; |
| |
| private final XMLParser fallbackParser; |
| |
| /** |
| * @param fallbackParser |
| * This parser will be used when DOMForestParser needs to parse |
| * documents that are not in the forest. |
| */ |
| DOMForestParser( DOMForest forest, XMLParser fallbackParser ) { |
| this.forest = forest; |
| this.scanner = new DOMForestScanner(forest); |
| this.fallbackParser = fallbackParser; |
| } |
| |
| public void parse( |
| InputSource source, |
| ContentHandler contentHandler, |
| ErrorHandler errorHandler, |
| EntityResolver entityResolver ) |
| throws SAXException, IOException { |
| |
| String systemId = source.getSystemId(); |
| Document dom = forest.get(systemId); |
| |
| if(dom==null) { |
| // if no DOM tree is built for it, |
| // let the fall back parser parse the original document. |
| // |
| // for example, XSOM parses datatypes.xsd (XML Schema part 2) |
| // but this will never be built into the forest. |
| fallbackParser.parse( source, contentHandler, errorHandler, entityResolver ); |
| return; |
| } |
| |
| scanner.scan( dom, contentHandler ); |
| } |
| } |