1 /* 2 * Copyright (c) 1997, 2011, 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.xml.internal.bind.v2.runtime.unmarshaller; 27 28 import javax.xml.bind.ValidationEventLocator; 29 import javax.xml.bind.helpers.ValidationEventLocatorImpl; 30 import javax.xml.namespace.NamespaceContext; 31 import javax.xml.stream.Location; 32 import javax.xml.stream.XMLStreamException; 33 34 import org.xml.sax.SAXException; 35 36 /** 37 * @author Kohsuke Kawaguchi 38 */ 39 abstract class StAXConnector { bridge()40 public abstract void bridge() throws XMLStreamException; 41 42 43 // event sink 44 protected final XmlVisitor visitor; 45 46 protected final UnmarshallingContext context; 47 protected final XmlVisitor.TextPredictor predictor; 48 49 private final class TagNameImpl extends TagName { getQname()50 public String getQname() { 51 return StAXConnector.this.getCurrentQName(); 52 } 53 } 54 55 protected final TagName tagName = new TagNameImpl(); 56 StAXConnector(XmlVisitor visitor)57 protected StAXConnector(XmlVisitor visitor) { 58 this.visitor = visitor; 59 context = visitor.getContext(); 60 predictor = visitor.getPredictor(); 61 } 62 63 /** 64 * Gets the {@link Location}. Used for implementing the line number information. 65 * @return must not null. 66 */ getCurrentLocation()67 protected abstract Location getCurrentLocation(); 68 69 /** 70 * Gets the QName of the current element. 71 */ getCurrentQName()72 protected abstract String getCurrentQName(); 73 handleStartDocument(NamespaceContext nsc)74 protected final void handleStartDocument(NamespaceContext nsc) throws SAXException { 75 visitor.startDocument(new LocatorEx() { 76 public ValidationEventLocator getLocation() { 77 return new ValidationEventLocatorImpl(this); 78 } 79 public int getColumnNumber() { 80 return getCurrentLocation().getColumnNumber(); 81 } 82 public int getLineNumber() { 83 return getCurrentLocation().getLineNumber(); 84 } 85 public String getPublicId() { 86 return getCurrentLocation().getPublicId(); 87 } 88 public String getSystemId() { 89 return getCurrentLocation().getSystemId(); 90 } 91 },nsc); 92 } 93 handleEndDocument()94 protected final void handleEndDocument() throws SAXException { 95 visitor.endDocument(); 96 } 97 fixNull(String s)98 protected static String fixNull(String s) { 99 if(s==null) return ""; 100 else return s; 101 } 102 getQName(String prefix, String localName)103 protected final String getQName(String prefix, String localName) { 104 if(prefix==null || prefix.length()==0) 105 return localName; 106 else 107 return prefix + ':' + localName; 108 } 109 } 110