001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.xml.bind.v2.runtime.unmarshaller;
038:
039: import javax.xml.bind.ValidationEventLocator;
040: import javax.xml.bind.helpers.ValidationEventLocatorImpl;
041: import javax.xml.namespace.NamespaceContext;
042: import javax.xml.stream.Location;
043: import javax.xml.stream.XMLStreamException;
044:
045: import org.xml.sax.SAXException;
046:
047: /**
048: * @author Kohsuke Kawaguchi
049: */
050: abstract class StAXConnector {
051: public abstract void bridge() throws XMLStreamException;
052:
053: // event sink
054: protected final XmlVisitor visitor;
055:
056: protected final UnmarshallingContext context;
057: protected final XmlVisitor.TextPredictor predictor;
058:
059: private final class TagNameImpl extends TagName {
060: public String getQname() {
061: return StAXConnector.this .getCurrentQName();
062: }
063: }
064:
065: protected final TagName tagName = new TagNameImpl();
066:
067: protected StAXConnector(XmlVisitor visitor) {
068: this .visitor = visitor;
069: context = visitor.getContext();
070: predictor = visitor.getPredictor();
071: }
072:
073: /**
074: * Gets the {@link Location}. Used for implementing the line number information.
075: * @return must not null.
076: */
077: protected abstract Location getCurrentLocation();
078:
079: /**
080: * Gets the QName of the current element.
081: */
082: protected abstract String getCurrentQName();
083:
084: protected final void handleStartDocument(NamespaceContext nsc)
085: throws SAXException {
086: visitor.startDocument(new LocatorEx() {
087: public ValidationEventLocator getLocation() {
088: return new ValidationEventLocatorImpl(this );
089: }
090:
091: public int getColumnNumber() {
092: return getCurrentLocation().getColumnNumber();
093: }
094:
095: public int getLineNumber() {
096: return getCurrentLocation().getLineNumber();
097: }
098:
099: public String getPublicId() {
100: return getCurrentLocation().getPublicId();
101: }
102:
103: public String getSystemId() {
104: return getCurrentLocation().getSystemId();
105: }
106: }, nsc);
107: }
108:
109: protected final void handleEndDocument() throws SAXException {
110: visitor.endDocument();
111: }
112:
113: protected static String fixNull(String s) {
114: if (s == null)
115: return "";
116: else
117: return s;
118: }
119:
120: protected final String getQName(String prefix, String localName) {
121: if (prefix == null || prefix.length() == 0)
122: return localName;
123: else
124: return prefix + ':' + localName;
125: }
126: }
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