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

changeset 286
f50545b5e2f1
child 368
0989ad8c0860
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/marshaller/SAX2DOMEx.java	Tue Mar 06 16:09:35 2012 -0800
     1.3 @@ -0,0 +1,228 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +/*
    1.30 + * SAX2DOMEx.java
    1.31 + *
    1.32 + * Created on February 22, 2002, 1:55 PM
    1.33 + */
    1.34 +package com.sun.xml.internal.bind.marshaller;
    1.35 +
    1.36 +import java.util.Stack;
    1.37 +
    1.38 +import javax.xml.parsers.DocumentBuilderFactory;
    1.39 +import javax.xml.parsers.ParserConfigurationException;
    1.40 +
    1.41 +import com.sun.xml.internal.bind.util.Which;
    1.42 +import com.sun.istack.internal.FinalArrayList;
    1.43 +
    1.44 +import org.w3c.dom.Document;
    1.45 +import org.w3c.dom.Element;
    1.46 +import org.w3c.dom.Node;
    1.47 +import org.w3c.dom.Text;
    1.48 +import org.xml.sax.Attributes;
    1.49 +import org.xml.sax.ContentHandler;
    1.50 +import org.xml.sax.Locator;
    1.51 +
    1.52 +/**
    1.53 + * Builds a DOM tree from SAX2 events.
    1.54 + *
    1.55 + * @author  Vivek Pandey
    1.56 + * @since 1.0
    1.57 + */
    1.58 +public class SAX2DOMEx implements ContentHandler {
    1.59 +
    1.60 +    private Node node = null;
    1.61 +    private boolean isConsolidate;
    1.62 +    protected final Stack<Node> nodeStack = new Stack<Node>();
    1.63 +    private final FinalArrayList<String> unprocessedNamespaces = new FinalArrayList<String>();
    1.64 +    /**
    1.65 +     * Document object that owns the specified node.
    1.66 +     */
    1.67 +    protected final Document document;
    1.68 +
    1.69 +    /**
    1.70 +     * @param   node
    1.71 +     *      Nodes will be created and added under this object.
    1.72 +     */
    1.73 +    public SAX2DOMEx(Node node) {
    1.74 +        this(node, false);
    1.75 +    }
    1.76 +
    1.77 +    /**
    1.78 +     * @param   node
    1.79 +     *      Nodes will be created and added under this object.
    1.80 +     */
    1.81 +    public SAX2DOMEx(Node node, boolean isConsolidate) {
    1.82 +        this.node = node;
    1.83 +        this.isConsolidate = isConsolidate;
    1.84 +        nodeStack.push(this.node);
    1.85 +
    1.86 +        if (node instanceof Document) {
    1.87 +            this.document = (Document) node;
    1.88 +        } else {
    1.89 +            this.document = node.getOwnerDocument();
    1.90 +        }
    1.91 +    }
    1.92 +
    1.93 +    /**
    1.94 +     * Creates a fresh empty DOM document and adds nodes under this document.
    1.95 +     */
    1.96 +    public SAX2DOMEx() throws ParserConfigurationException {
    1.97 +        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    1.98 +        factory.setNamespaceAware(true);
    1.99 +        factory.setValidating(false);
   1.100 +
   1.101 +        document = factory.newDocumentBuilder().newDocument();
   1.102 +        node = document;
   1.103 +        nodeStack.push(document);
   1.104 +    }
   1.105 +
   1.106 +    public final Element getCurrentElement() {
   1.107 +        return (Element) nodeStack.peek();
   1.108 +    }
   1.109 +
   1.110 +    public Node getDOM() {
   1.111 +        return node;
   1.112 +    }
   1.113 +
   1.114 +    public void startDocument() {
   1.115 +    }
   1.116 +
   1.117 +    public void endDocument() {
   1.118 +    }
   1.119 +
   1.120 +    protected void namespace(Element element, String prefix, String uri) {
   1.121 +        String qname;
   1.122 +        if ("".equals(prefix) || prefix == null) {
   1.123 +            qname = "xmlns";
   1.124 +        } else {
   1.125 +            qname = "xmlns:" + prefix;
   1.126 +        }
   1.127 +
   1.128 +        // older version of Xerces (I confirmed that the bug is gone with Xerces 2.4.0)
   1.129 +        // have a problem of re-setting the same namespace attribute twice.
   1.130 +        // work around this bug removing it first.
   1.131 +        if (element.hasAttributeNS("http://www.w3.org/2000/xmlns/", qname)) {
   1.132 +            // further workaround for an old Crimson bug where the removeAttribtueNS
   1.133 +            // method throws NPE when the element doesn't have any attribute.
   1.134 +            // to be on the safe side, check the existence of attributes before
   1.135 +            // attempting to remove it.
   1.136 +            // for details about this bug, see org.apache.crimson.tree.ElementNode2
   1.137 +            // line 540 or the following message:
   1.138 +            // https://jaxb.dev.java.net/servlets/ReadMsg?list=users&msgNo=2767
   1.139 +            element.removeAttributeNS("http://www.w3.org/2000/xmlns/", qname);
   1.140 +        }
   1.141 +        // workaround until here
   1.142 +
   1.143 +        element.setAttributeNS("http://www.w3.org/2000/xmlns/", qname, uri);
   1.144 +    }
   1.145 +
   1.146 +    public void startElement(String namespace, String localName, String qName, Attributes attrs) {
   1.147 +        Node parent = nodeStack.peek();
   1.148 +
   1.149 +        // some broken DOM implementatino (we confirmed it with SAXON)
   1.150 +        // return null from this method.
   1.151 +        Element element = document.createElementNS(namespace, qName);
   1.152 +
   1.153 +        if (element == null) {
   1.154 +            // if so, report an user-friendly error message,
   1.155 +            // rather than dying mysteriously with NPE.
   1.156 +            throw new AssertionError(
   1.157 +                    Messages.format(Messages.DOM_IMPL_DOESNT_SUPPORT_CREATELEMENTNS,
   1.158 +                    document.getClass().getName(),
   1.159 +                    Which.which(document.getClass())));
   1.160 +        }
   1.161 +
   1.162 +        // process namespace bindings
   1.163 +        for (int i = 0; i < unprocessedNamespaces.size(); i += 2) {
   1.164 +            String prefix = unprocessedNamespaces.get(i + 0);
   1.165 +            String uri = unprocessedNamespaces.get(i + 1);
   1.166 +
   1.167 +            namespace(element, prefix, uri);
   1.168 +        }
   1.169 +        unprocessedNamespaces.clear();
   1.170 +
   1.171 +
   1.172 +        if (attrs != null) {
   1.173 +            int length = attrs.getLength();
   1.174 +            for (int i = 0; i < length; i++) {
   1.175 +                String namespaceuri = attrs.getURI(i);
   1.176 +                String value = attrs.getValue(i);
   1.177 +                String qname = attrs.getQName(i);
   1.178 +                element.setAttributeNS(namespaceuri, qname, value);
   1.179 +            }
   1.180 +        }
   1.181 +        // append this new node onto current stack node
   1.182 +        parent.appendChild(element);
   1.183 +        // push this node onto stack
   1.184 +        nodeStack.push(element);
   1.185 +    }
   1.186 +
   1.187 +    public void endElement(String namespace, String localName, String qName) {
   1.188 +        nodeStack.pop();
   1.189 +    }
   1.190 +
   1.191 +    public void characters(char[] ch, int start, int length) {
   1.192 +        characters(new String(ch, start, length));
   1.193 +    }
   1.194 +
   1.195 +    protected Text characters(String s) {
   1.196 +        Node parent = nodeStack.peek();
   1.197 +        Node lastChild = parent.getLastChild();
   1.198 +        Text text;
   1.199 +        if (isConsolidate && lastChild != null && lastChild.getNodeType() == Node.TEXT_NODE) {
   1.200 +            text = (Text) lastChild;
   1.201 +            text.appendData(s);
   1.202 +        } else {
   1.203 +            text = document.createTextNode(s);
   1.204 +            parent.appendChild(text);
   1.205 +        }
   1.206 +        return text;
   1.207 +    }
   1.208 +
   1.209 +    public void ignorableWhitespace(char[] ch, int start, int length) {
   1.210 +    }
   1.211 +
   1.212 +    public void processingInstruction(String target, String data) throws org.xml.sax.SAXException {
   1.213 +        Node parent = nodeStack.peek();
   1.214 +        Node n = document.createProcessingInstruction(target, data);
   1.215 +        parent.appendChild(n);
   1.216 +    }
   1.217 +
   1.218 +    public void setDocumentLocator(Locator locator) {
   1.219 +    }
   1.220 +
   1.221 +    public void skippedEntity(String name) {
   1.222 +    }
   1.223 +
   1.224 +    public void startPrefixMapping(String prefix, String uri) {
   1.225 +        unprocessedNamespaces.add(prefix);
   1.226 +        unprocessedNamespaces.add(uri);
   1.227 +    }
   1.228 +
   1.229 +    public void endPrefixMapping(String prefix) {
   1.230 +    }
   1.231 +}

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