001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 1999, 2000 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: /*
059: * WARNING: because java doesn't support multi-inheritance some code is
060: * duplicated. If you're changing this file you probably want to change
061: * DeferredAttrImpl.java at the same time.
062: */
063:
064: /* $Id: DeferredAttrNSImpl.java,v 1.15 2001/08/10 01:18:16 lehors Exp $ */
065:
066: package org.apache.xerces.dom;
067:
068: import org.apache.xerces.utils.StringPool;
069:
070: /**
071: * DeferredAttrNSImpl is to AttrNSImpl, what DeferredAttrImpl is to
072: * AttrImpl.
073: * @author Andy Clark, IBM
074: * @author Arnaud Le Hors, IBM
075: * @see DeferredAttrImpl
076: */
077: public final class DeferredAttrNSImpl extends AttrNSImpl implements
078: DeferredNode {
079:
080: //
081: // Constants
082: //
083:
084: /** Serialization version. */
085: static final long serialVersionUID = 6074924934945957154L;
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.
100: * All other data, can be requested from the ownerDocument via the index.
101: */
102: DeferredAttrNSImpl(DeferredDocumentImpl ownerDocument, int nodeIndex) {
103: super (ownerDocument, null);
104:
105: fNodeIndex = nodeIndex;
106: needsSyncData(true);
107: needsSyncChildren(true);
108:
109: } // <init>(DeferredDocumentImpl,int)
110:
111: //
112: // DeferredNode methods
113: //
114:
115: /** Returns the node index. */
116: public int getNodeIndex() {
117: return fNodeIndex;
118: }
119:
120: //
121: // Protected methods
122: //
123:
124: /** Synchronizes the data (name and value) for fast nodes. */
125: protected void synchronizeData() {
126:
127: // no need to sync in the future
128: needsSyncData(false);
129:
130: // fluff data
131: DeferredDocumentImpl ownerDocument = (DeferredDocumentImpl) ownerDocument();
132: int attrQName = ownerDocument.getNodeName(fNodeIndex);
133: StringPool pool = ownerDocument.getStringPool();
134: name = pool.toString(attrQName);
135:
136: // extract prefix and local part from QName
137: int index = name.indexOf(':');
138: String prefix;
139: if (index < 0) {
140: prefix = null;
141: localName = name;
142: } else {
143: prefix = name.substring(0, index);
144: localName = name.substring(index + 1);
145: }
146:
147: isSpecified(ownerDocument.getNodeValue(fNodeIndex) == 1);
148: //namespaceURI = pool.toString(ownerDocument.getNodeURI(attrQName));
149: namespaceURI = pool.toString(ownerDocument
150: .getNodeURI(fNodeIndex));
151: // hide the fact that our parser uses an empty string for null
152: if (namespaceURI.length() == 0) {
153: namespaceURI = null;
154: }
155: // DOM Level 2 wants all namespace declaration attributes
156: // to be bound to "http://www.w3.org/2000/xmlns/"
157: // So as long as the XML parser doesn't do it, it needs to
158: // done here.
159: if (namespaceURI == null) {
160: if (prefix != null) {
161: if (prefix.equals("xmlns")) {
162: namespaceURI = "http://www.w3.org/2000/xmlns/";
163: }
164: } else if (name.equals("xmlns")) {
165: namespaceURI = "http://www.w3.org/2000/xmlns/";
166: }
167: }
168:
169: } // synchronizeData()
170:
171: /**
172: * Synchronizes the node's children with the internal structure.
173: * Fluffing the children at once solves a lot of work to keep
174: * the two structures in sync. The problem gets worse when
175: * editing the tree -- this makes it a lot easier.
176: */
177: protected void synchronizeChildren() {
178: DeferredDocumentImpl ownerDocument = (DeferredDocumentImpl) ownerDocument();
179: ownerDocument.synchronizeChildren(this , fNodeIndex);
180: } // synchronizeChildren()
181:
182: } // class DeferredAttrImpl
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