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.w3c.css.sac.Condition;
056: import org.w3c.css.sac.ConditionalSelector;
057: import org.w3c.css.sac.SimpleSelector;
058: import org.w3c.dom.Element;
059:
060: /**
061: * This class provides an implementation of the
062: * {@link org.w3c.css.sac.ConditionalSelector} interface.
063: *
064: * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
065: * @version $Id$
066: */
067: public class CSSConditionalSelector implements ConditionalSelector,
068: ExtendedSelector {
069:
070: /**
071: * The simple selector.
072: */
073: protected SimpleSelector simpleSelector;
074:
075: /**
076: * The condition.
077: */
078: protected Condition condition;
079:
080: /**
081: * Creates a new ConditionalSelector object.
082: */
083: public CSSConditionalSelector(SimpleSelector s, Condition c) {
084: simpleSelector = s;
085: condition = c;
086: }
087:
088: /**
089: * Indicates whether some other object is "equal to" this one.
090: * @param obj the reference object with which to compare.
091: */
092: public boolean equals(Object obj) {
093: if (obj == null || !(obj.getClass() != getClass())) {
094: return false;
095: }
096: CSSConditionalSelector s = (CSSConditionalSelector) obj;
097: return s.simpleSelector.equals(simpleSelector)
098: && s.condition.equals(condition);
099: }
100:
101: /**
102: * <b>SAC</b>: Implements {@link
103: * org.w3c.css.sac.Selector#getSelectorType()}.
104: */
105: public short getSelectorType() {
106: return SAC_CONDITIONAL_SELECTOR;
107: }
108:
109: /**
110: * Tests whether this selector matches the given element.
111: */
112: public boolean match(Element e, String pseudoE) {
113: return ((ExtendedSelector) getSimpleSelector()).match(e,
114: pseudoE)
115: && ((ExtendedCondition) getCondition()).match(e,
116: pseudoE);
117: }
118:
119: /**
120: * Fills the given set with the attribute names found in this selector.
121: */
122: public void fillAttributeSet(Set attrSet) {
123: ((ExtendedSelector) getSimpleSelector())
124: .fillAttributeSet(attrSet);
125: ((ExtendedCondition) getCondition()).fillAttributeSet(attrSet);
126: }
127:
128: /**
129: * Returns the specificity of this selector.
130: */
131: public int getSpecificity() {
132: return ((ExtendedSelector) getSimpleSelector())
133: .getSpecificity()
134: + ((ExtendedCondition) getCondition()).getSpecificity();
135: }
136:
137: /**
138: * <b>SAC</b>: Implements {@link
139: * org.w3c.css.sac.ConditionalSelector#getSimpleSelector()}.
140: */
141: public SimpleSelector getSimpleSelector() {
142: return simpleSelector;
143: }
144:
145: /**
146: * <b>SAC</b>: Implements {@link
147: * org.w3c.css.sac.ConditionalSelector#getCondition()}.
148: */
149: public Condition getCondition() {
150: return condition;
151: }
152:
153: /**
154: * Returns a representation of the selector.
155: */
156: public String toString() {
157: return "" + simpleSelector + condition;
158: }
159:
160: // BEGIN RAVE MODIFICATIONS
161: public void setRule(org.apache.batik.css.engine.Rule rule) {
162: this .rule = rule;
163: }
164:
165: public org.apache.batik.css.engine.Rule getRule() {
166: return rule;
167: }
168:
169: private org.apache.batik.css.engine.Rule rule;
170: // END RAVE MODIFICATIONS
171: }
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