001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 1999 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 1999, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: /* $Id: DeferredElementNSImpl.java,v 1.10 2001/08/10 01:18:16 lehors Exp $ */
059:
060: /*
061: * WARNING: because java doesn't support multi-inheritance some code is
062: * duplicated. If you're changing this file you probably want to change
063: * DeferredElementImpl.java at the same time.
064: */
065:
066: package org.apache.xerces.dom;
067:
068: import org.w3c.dom.NamedNodeMap;
069:
070: import org.apache.xerces.utils.StringPool;
071:
072: /**
073: * DeferredElementNSImpl is to ElementNSImpl, what DeferredElementImpl is to
074: * ElementImpl.
075: * @see DeferredElementImpl
076: */
077: public class DeferredElementNSImpl extends ElementNSImpl implements
078: DeferredNode {
079:
080: //
081: // Constants
082: //
083:
084: /** Serialization version. */
085: static final long serialVersionUID = -5001885145370927385L;
086:
087: //
088: // Data
089: //
090:
091: /** Node index. */
092: protected transient int fNodeIndex;
093:
094: //
095: // Constructors
096: //
097:
098: /**
099: * This is the deferred constructor. Only the fNodeIndex is given here. All
100: * other data, can be requested from the ownerDocument via the index.
101: */
102: DeferredElementNSImpl(DeferredDocumentImpl ownerDoc, int nodeIndex) {
103: super (ownerDoc, null);
104:
105: fNodeIndex = nodeIndex;
106: needsSyncChildren(true);
107:
108: } // <init>(DocumentImpl,int)
109:
110: //
111: // DeferredNode methods
112: //
113:
114: /** Returns the node index. */
115: public final int getNodeIndex() {
116: return fNodeIndex;
117: }
118:
119: //
120: // Protected methods
121: //
122:
123: /** Synchronizes the data (name and value) for fast nodes. */
124: protected final void synchronizeData() {
125:
126: // no need to sync in the future
127: needsSyncData(false);
128:
129: // fluff data
130: DeferredDocumentImpl ownerDocument = (DeferredDocumentImpl) this .ownerDocument;
131:
132: // we don't want to generate any event for this so turn them off
133: boolean orig = ownerDocument.mutationEvents;
134: ownerDocument.mutationEvents = false;
135:
136: int elementQName = ownerDocument.getNodeName(fNodeIndex);
137: StringPool pool = ownerDocument.getStringPool();
138: name = pool.toString(elementQName);
139:
140: // extract local part from QName
141: int index = name.indexOf(':');
142: if (index < 0) {
143: localName = name;
144: } else {
145: localName = name.substring(index + 1);
146: }
147:
148: namespaceURI = pool.toString(ownerDocument
149: .getNodeURI(fNodeIndex));
150: // hide the fact that our parser uses an empty string for null
151: if (namespaceURI.length() == 0) {
152: namespaceURI = null;
153: }
154:
155: // attributes
156: setupDefaultAttributes();
157: int attrIndex = ownerDocument.getNodeValue(fNodeIndex);
158: if (attrIndex != -1) {
159: NamedNodeMap attrs = getAttributes();
160: do {
161: NodeImpl attr = (NodeImpl) ownerDocument
162: .getNodeObject(attrIndex);
163: attrs.setNamedItem(attr);
164: attrIndex = ownerDocument.getPrevSibling(attrIndex);
165: } while (attrIndex != -1);
166: }
167:
168: // set mutation events flag back to its original value
169: ownerDocument.mutationEvents = orig;
170:
171: } // synchronizeData()
172:
173: /**
174: * Synchronizes the node's children with the internal structure.
175: * Fluffing the children at once solves a lot of work to keep
176: * the two structures in sync. The problem gets worse when
177: * editing the tree -- this makes it a lot easier.
178: */
179: protected final void synchronizeChildren() {
180: DeferredDocumentImpl ownerDocument = (DeferredDocumentImpl) ownerDocument();
181: ownerDocument.synchronizeChildren(this , fNodeIndex);
182: } // synchronizeChildren()
183:
184: } // class DeferredElementImpl
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