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: package org.apache.xerces.dom;
059:
060: /**
061: * Text nodes hold the non-markup, non-Entity content of
062: * an Element or Attribute.
063: * <P>
064: * When a document is first made available to the DOM, there is only
065: * one Text object for each block of adjacent plain-text. Users (ie,
066: * applications) may create multiple adjacent Texts during editing --
067: * see {@link Element#normalize} for discussion.
068: * <P>
069: * Note that CDATASection is a subclass of Text. This is conceptually
070: * valid, since they're really just two different ways of quoting
071: * characters when they're written out as part of an XML stream.
072: *
073: * @version
074: * @since PR-DOM-Level-1-19980818.
075: */
076: public class DeferredTextImpl extends TextImpl implements DeferredNode {
077:
078: //
079: // Constants
080: //
081:
082: /** Serialization version. */
083: static final long serialVersionUID = 2310613872100393425L;
084:
085: //
086: // Data
087: //
088:
089: /** Node index. */
090: protected transient int fNodeIndex;
091:
092: //
093: // Constructors
094: //
095:
096: /**
097: * This is the deferred constructor. Only the fNodeIndex is given here.
098: * All other data, can be requested from the ownerDocument via the index.
099: */
100: DeferredTextImpl(DeferredDocumentImpl ownerDocument, int nodeIndex) {
101: super (ownerDocument, null);
102:
103: fNodeIndex = nodeIndex;
104: needsSyncData(true);
105:
106: } // <init>(DeferredDocumentImpl,int)
107:
108: //
109: // DeferredNode methods
110: //
111:
112: /** Returns the node index. */
113: public int getNodeIndex() {
114: return fNodeIndex;
115: }
116:
117: //
118: // Protected methods
119: //
120:
121: /** Synchronizes the underlying data. */
122: protected void synchronizeData() {
123:
124: // no need for future synchronizations
125: needsSyncData(false);
126:
127: // get initial text value
128: DeferredDocumentImpl ownerDocument = (DeferredDocumentImpl) this
129: .ownerDocument();
130: data = ownerDocument.getNodeValueString(fNodeIndex);
131:
132: // NOTE: We used to normalize adjacent text node values here.
133: // This code has moved to the DeferredDocumentImpl
134: // getNodeValueString() method. -Ac
135:
136: // ignorable whitespace
137: isIgnorableWhitespace(ownerDocument.getLastChild(fNodeIndex) == 1);
138:
139: } // synchronizeData()
140:
141: } // class DeferredTextImpl
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