001: /*
002:
003: ============================================================================
004: The Apache Software License, Version 1.1
005: ============================================================================
006:
007: Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
008:
009: Redistribution and use in source and binary forms, with or without modifica-
010: tion, are permitted provided that the following conditions are met:
011:
012: 1. Redistributions of source code must retain the above copyright notice,
013: this list of conditions and the following disclaimer.
014:
015: 2. Redistributions in binary form must reproduce the above copyright notice,
016: this list of conditions and the following disclaimer in the documentation
017: and/or other materials provided with the distribution.
018:
019: 3. The end-user documentation included with the redistribution, if any, must
020: include the following acknowledgment: "This product includes software
021: developed by the Apache Software Foundation (http://www.apache.org/)."
022: Alternately, this acknowledgment may appear in the software itself, if
023: and wherever such third-party acknowledgments normally appear.
024:
025: 4. The names "Batik" and "Apache Software Foundation" must not be
026: used to endorse or promote products derived from this software without
027: prior written permission. For written permission, please contact
028: apache@apache.org.
029:
030: 5. Products derived from this software may not be called "Apache", nor may
031: "Apache" appear in their name, without prior written permission of the
032: Apache Software Foundation.
033:
034: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
035: INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
036: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
037: APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
038: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
039: DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
040: OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
041: ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
042: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
043: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045: This software consists of voluntary contributions made by many individuals
046: on behalf of the Apache Software Foundation. For more information on the
047: Apache Software Foundation, please see <http://www.apache.org/>.
048:
049: */
050:
051: package org.apache.batik.css.engine.sac;
052:
053: import java.util.Set;
054:
055: import org.apache.batik.css.engine.CSSStylableElement;
056: import org.w3c.dom.Element;
057:
058: /**
059: * This class provides an implementation of the
060: * {@link org.w3c.css.sac.AttributeCondition} interface.
061: *
062: * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
063: * @version $Id$
064: */
065:
066: public class CSSIdCondition extends AbstractAttributeCondition {
067:
068: /**
069: * The id attribute namespace URI.
070: */
071: protected String namespaceURI;
072:
073: /**
074: * The id attribute local name.
075: */
076: protected String localName;
077:
078: /**
079: * Creates a new CSSAttributeCondition object.
080: */
081: public CSSIdCondition(String ns, String ln, String value) {
082: super (value);
083: namespaceURI = ns;
084: localName = ln;
085: }
086:
087: /**
088: * <b>SAC</b>: Implements {@link
089: * org.w3c.css.sac.Condition#getConditionType()}.
090: */
091: public short getConditionType() {
092: return SAC_ID_CONDITION;
093: }
094:
095: /**
096: * <b>SAC</b>: Implements {@link
097: * org.w3c.css.sac.AttributeCondition#getNamespaceURI()}.
098: */
099: public String getNamespaceURI() {
100: return namespaceURI;
101: }
102:
103: /**
104: * <b>SAC</b>: Implements {@link
105: * org.w3c.css.sac.AttributeCondition#getLocalName()}.
106: */
107: public String getLocalName() {
108: return localName;
109: }
110:
111: /**
112: * <b>SAC</b>: Implements {@link
113: * org.w3c.css.sac.AttributeCondition#getSpecified()}.
114: */
115: public boolean getSpecified() {
116: return true;
117: }
118:
119: /**
120: * Tests whether this condition matches the given element.
121: */
122: public boolean match(Element e, String pseudoE) {
123: return (e instanceof CSSStylableElement) ? ((CSSStylableElement) e)
124: .getXMLId().equals(getValue())
125: : false;
126: }
127:
128: /**
129: * Fills the given set with the attribute names found in this selector.
130: */
131: public void fillAttributeSet(Set attrSet) {
132: attrSet.add(localName);
133: }
134:
135: /**
136: * Returns the specificity of this condition.
137: */
138: public int getSpecificity() {
139: return 1 << 16;
140: }
141:
142: /**
143: * Returns a text representation of this object.
144: */
145: public String toString() {
146: return "#" + getValue();
147: }
148: }
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