src/share/jaxws_classes/com/sun/xml/internal/bind/marshaller/SAX2DOMEx.java

Tue, 06 Mar 2012 16:09:35 -0800

author
ohair
date
Tue, 06 Mar 2012 16:09:35 -0800
changeset 286
f50545b5e2f1
child 368
0989ad8c0860
permissions
-rw-r--r--

7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom

ohair@286 1 /*
ohair@286 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 /*
ohair@286 27 * SAX2DOMEx.java
ohair@286 28 *
ohair@286 29 * Created on February 22, 2002, 1:55 PM
ohair@286 30 */
ohair@286 31 package com.sun.xml.internal.bind.marshaller;
ohair@286 32
ohair@286 33 import java.util.Stack;
ohair@286 34
ohair@286 35 import javax.xml.parsers.DocumentBuilderFactory;
ohair@286 36 import javax.xml.parsers.ParserConfigurationException;
ohair@286 37
ohair@286 38 import com.sun.xml.internal.bind.util.Which;
ohair@286 39 import com.sun.istack.internal.FinalArrayList;
ohair@286 40
ohair@286 41 import org.w3c.dom.Document;
ohair@286 42 import org.w3c.dom.Element;
ohair@286 43 import org.w3c.dom.Node;
ohair@286 44 import org.w3c.dom.Text;
ohair@286 45 import org.xml.sax.Attributes;
ohair@286 46 import org.xml.sax.ContentHandler;
ohair@286 47 import org.xml.sax.Locator;
ohair@286 48
ohair@286 49 /**
ohair@286 50 * Builds a DOM tree from SAX2 events.
ohair@286 51 *
ohair@286 52 * @author Vivek Pandey
ohair@286 53 * @since 1.0
ohair@286 54 */
ohair@286 55 public class SAX2DOMEx implements ContentHandler {
ohair@286 56
ohair@286 57 private Node node = null;
ohair@286 58 private boolean isConsolidate;
ohair@286 59 protected final Stack<Node> nodeStack = new Stack<Node>();
ohair@286 60 private final FinalArrayList<String> unprocessedNamespaces = new FinalArrayList<String>();
ohair@286 61 /**
ohair@286 62 * Document object that owns the specified node.
ohair@286 63 */
ohair@286 64 protected final Document document;
ohair@286 65
ohair@286 66 /**
ohair@286 67 * @param node
ohair@286 68 * Nodes will be created and added under this object.
ohair@286 69 */
ohair@286 70 public SAX2DOMEx(Node node) {
ohair@286 71 this(node, false);
ohair@286 72 }
ohair@286 73
ohair@286 74 /**
ohair@286 75 * @param node
ohair@286 76 * Nodes will be created and added under this object.
ohair@286 77 */
ohair@286 78 public SAX2DOMEx(Node node, boolean isConsolidate) {
ohair@286 79 this.node = node;
ohair@286 80 this.isConsolidate = isConsolidate;
ohair@286 81 nodeStack.push(this.node);
ohair@286 82
ohair@286 83 if (node instanceof Document) {
ohair@286 84 this.document = (Document) node;
ohair@286 85 } else {
ohair@286 86 this.document = node.getOwnerDocument();
ohair@286 87 }
ohair@286 88 }
ohair@286 89
ohair@286 90 /**
ohair@286 91 * Creates a fresh empty DOM document and adds nodes under this document.
ohair@286 92 */
ohair@286 93 public SAX2DOMEx() throws ParserConfigurationException {
ohair@286 94 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
ohair@286 95 factory.setNamespaceAware(true);
ohair@286 96 factory.setValidating(false);
ohair@286 97
ohair@286 98 document = factory.newDocumentBuilder().newDocument();
ohair@286 99 node = document;
ohair@286 100 nodeStack.push(document);
ohair@286 101 }
ohair@286 102
ohair@286 103 public final Element getCurrentElement() {
ohair@286 104 return (Element) nodeStack.peek();
ohair@286 105 }
ohair@286 106
ohair@286 107 public Node getDOM() {
ohair@286 108 return node;
ohair@286 109 }
ohair@286 110
ohair@286 111 public void startDocument() {
ohair@286 112 }
ohair@286 113
ohair@286 114 public void endDocument() {
ohair@286 115 }
ohair@286 116
ohair@286 117 protected void namespace(Element element, String prefix, String uri) {
ohair@286 118 String qname;
ohair@286 119 if ("".equals(prefix) || prefix == null) {
ohair@286 120 qname = "xmlns";
ohair@286 121 } else {
ohair@286 122 qname = "xmlns:" + prefix;
ohair@286 123 }
ohair@286 124
ohair@286 125 // older version of Xerces (I confirmed that the bug is gone with Xerces 2.4.0)
ohair@286 126 // have a problem of re-setting the same namespace attribute twice.
ohair@286 127 // work around this bug removing it first.
ohair@286 128 if (element.hasAttributeNS("http://www.w3.org/2000/xmlns/", qname)) {
ohair@286 129 // further workaround for an old Crimson bug where the removeAttribtueNS
ohair@286 130 // method throws NPE when the element doesn't have any attribute.
ohair@286 131 // to be on the safe side, check the existence of attributes before
ohair@286 132 // attempting to remove it.
ohair@286 133 // for details about this bug, see org.apache.crimson.tree.ElementNode2
ohair@286 134 // line 540 or the following message:
ohair@286 135 // https://jaxb.dev.java.net/servlets/ReadMsg?list=users&msgNo=2767
ohair@286 136 element.removeAttributeNS("http://www.w3.org/2000/xmlns/", qname);
ohair@286 137 }
ohair@286 138 // workaround until here
ohair@286 139
ohair@286 140 element.setAttributeNS("http://www.w3.org/2000/xmlns/", qname, uri);
ohair@286 141 }
ohair@286 142
ohair@286 143 public void startElement(String namespace, String localName, String qName, Attributes attrs) {
ohair@286 144 Node parent = nodeStack.peek();
ohair@286 145
ohair@286 146 // some broken DOM implementatino (we confirmed it with SAXON)
ohair@286 147 // return null from this method.
ohair@286 148 Element element = document.createElementNS(namespace, qName);
ohair@286 149
ohair@286 150 if (element == null) {
ohair@286 151 // if so, report an user-friendly error message,
ohair@286 152 // rather than dying mysteriously with NPE.
ohair@286 153 throw new AssertionError(
ohair@286 154 Messages.format(Messages.DOM_IMPL_DOESNT_SUPPORT_CREATELEMENTNS,
ohair@286 155 document.getClass().getName(),
ohair@286 156 Which.which(document.getClass())));
ohair@286 157 }
ohair@286 158
ohair@286 159 // process namespace bindings
ohair@286 160 for (int i = 0; i < unprocessedNamespaces.size(); i += 2) {
ohair@286 161 String prefix = unprocessedNamespaces.get(i + 0);
ohair@286 162 String uri = unprocessedNamespaces.get(i + 1);
ohair@286 163
ohair@286 164 namespace(element, prefix, uri);
ohair@286 165 }
ohair@286 166 unprocessedNamespaces.clear();
ohair@286 167
ohair@286 168
ohair@286 169 if (attrs != null) {
ohair@286 170 int length = attrs.getLength();
ohair@286 171 for (int i = 0; i < length; i++) {
ohair@286 172 String namespaceuri = attrs.getURI(i);
ohair@286 173 String value = attrs.getValue(i);
ohair@286 174 String qname = attrs.getQName(i);
ohair@286 175 element.setAttributeNS(namespaceuri, qname, value);
ohair@286 176 }
ohair@286 177 }
ohair@286 178 // append this new node onto current stack node
ohair@286 179 parent.appendChild(element);
ohair@286 180 // push this node onto stack
ohair@286 181 nodeStack.push(element);
ohair@286 182 }
ohair@286 183
ohair@286 184 public void endElement(String namespace, String localName, String qName) {
ohair@286 185 nodeStack.pop();
ohair@286 186 }
ohair@286 187
ohair@286 188 public void characters(char[] ch, int start, int length) {
ohair@286 189 characters(new String(ch, start, length));
ohair@286 190 }
ohair@286 191
ohair@286 192 protected Text characters(String s) {
ohair@286 193 Node parent = nodeStack.peek();
ohair@286 194 Node lastChild = parent.getLastChild();
ohair@286 195 Text text;
ohair@286 196 if (isConsolidate && lastChild != null && lastChild.getNodeType() == Node.TEXT_NODE) {
ohair@286 197 text = (Text) lastChild;
ohair@286 198 text.appendData(s);
ohair@286 199 } else {
ohair@286 200 text = document.createTextNode(s);
ohair@286 201 parent.appendChild(text);
ohair@286 202 }
ohair@286 203 return text;
ohair@286 204 }
ohair@286 205
ohair@286 206 public void ignorableWhitespace(char[] ch, int start, int length) {
ohair@286 207 }
ohair@286 208
ohair@286 209 public void processingInstruction(String target, String data) throws org.xml.sax.SAXException {
ohair@286 210 Node parent = nodeStack.peek();
ohair@286 211 Node n = document.createProcessingInstruction(target, data);
ohair@286 212 parent.appendChild(n);
ohair@286 213 }
ohair@286 214
ohair@286 215 public void setDocumentLocator(Locator locator) {
ohair@286 216 }
ohair@286 217
ohair@286 218 public void skippedEntity(String name) {
ohair@286 219 }
ohair@286 220
ohair@286 221 public void startPrefixMapping(String prefix, String uri) {
ohair@286 222 unprocessedNamespaces.add(prefix);
ohair@286 223 unprocessedNamespaces.add(uri);
ohair@286 224 }
ohair@286 225
ohair@286 226 public void endPrefixMapping(String prefix) {
ohair@286 227 }
ohair@286 228 }

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