001: /*
002: * Copyright (c) 2002-2008 Gargoyle Software Inc. All rights reserved.
003: *
004: * Redistribution and use in source and binary forms, with or without
005: * modification, are permitted provided that the following conditions are met:
006: *
007: * 1. Redistributions of source code must retain the above copyright notice,
008: * this list of conditions and the following disclaimer.
009: * 2. Redistributions in binary form must reproduce the above copyright notice,
010: * this list of conditions and the following disclaimer in the documentation
011: * and/or other materials provided with the distribution.
012: * 3. The end-user documentation included with the redistribution, if any, must
013: * include the following acknowledgment:
014: *
015: * "This product includes software developed by Gargoyle Software Inc.
016: * (http://www.GargoyleSoftware.com/)."
017: *
018: * Alternately, this acknowledgment may appear in the software itself, if
019: * and wherever such third-party acknowledgments normally appear.
020: * 4. The name "Gargoyle Software" must not be used to endorse or promote
021: * products derived from this software without prior written permission.
022: * For written permission, please contact info@GargoyleSoftware.com.
023: * 5. Products derived from this software may not be called "HtmlUnit", nor may
024: * "HtmlUnit" appear in their name, without prior written permission of
025: * Gargoyle Software Inc.
026: *
027: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
028: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
029: * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARGOYLE
030: * SOFTWARE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
031: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
032: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
033: * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
034: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
035: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
036: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
037: */
038: package com.gargoylesoftware.htmlunit.xml;
039:
040: import java.util.Map;
041:
042: import com.gargoylesoftware.htmlunit.Page;
043: import com.gargoylesoftware.htmlunit.html.DomNamespaceNode;
044: import com.gargoylesoftware.htmlunit.html.DomNode;
045:
046: /**
047: * An attribute of an element. Attributes are stored in {@link XmlElement},
048: * but the xpath engine expects attributes to be in a {@link DomNode}.
049: *
050: * @version $Revision: 2132 $
051: * @author Ahmed Ashour
052: */
053: public class XmlAttr extends DomNamespaceNode implements Map.Entry {
054:
055: private static final long serialVersionUID = 4832218455328064213L;
056:
057: private String value_;
058:
059: /**
060: * Instantiate a new attribute.
061: *
062: * @param xmlElement The parent element.
063: * @param mapEntry The wrapped Map.Entry.
064: * @deprecated Use constructor with explicit names.
065: */
066: public XmlAttr(final XmlElement xmlElement, final Map.Entry mapEntry) {
067: super (null, (String) mapEntry.getKey(), xmlElement.getPage());
068: value_ = (String) mapEntry.getValue();
069: setParentNode(xmlElement);
070: }
071:
072: /**
073: * Instantiate a new attribute.
074: *
075: * @param page The page that the attribute belongs to.
076: * @param namespaceURI The namespace that defines the attribute name. May be null.
077: * @param qualifiedName The name of the attribute.
078: * @param value The value of the attribute.
079: */
080: public XmlAttr(final Page page, final String namespaceURI,
081: final String qualifiedName, final String value) {
082: super (namespaceURI, qualifiedName, page);
083: value_ = value;
084: }
085:
086: /**
087: * {@inheritDoc}
088: */
089: public short getNodeType() {
090: return org.w3c.dom.Node.ATTRIBUTE_NODE;
091: }
092:
093: /**
094: * {@inheritDoc}
095: */
096: public String getNodeName() {
097: return getName();
098: }
099:
100: /**
101: * {@inheritDoc}
102: */
103: public String getNodeValue() {
104: return (String) getValue();
105: }
106:
107: /**
108: * {@inheritDoc}
109: */
110: public Object getKey() {
111: return getName();
112: }
113:
114: /**
115: * @return The qualified name of the attribute.
116: */
117: public String getName() {
118: return getQualifiedName();
119: }
120:
121: /**
122: * @return The value of the attribute.
123: */
124: public Object getValue() {
125: return value_;
126: }
127:
128: /**
129: * Set the value of the attribute.
130: * @param value new value to be stored in this entry.
131: * @return old value corresponding to the entry.
132: */
133: public Object setValue(final Object value) {
134: final String oldValue = value_;
135: value_ = (String) value;
136: return oldValue;
137: }
138:
139: /**
140: * Set the parent node
141: * @param parent the parent node
142: */
143: protected void setParentNode(final DomNode parent) {
144: super.setParentNode(parent);
145: }
146:
147: }
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