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 org.w3c.css.sac.CombinatorCondition;
054: import org.w3c.css.sac.Condition;
055:
056: /**
057: * This class provides an abstract implementation of the {@link
058: * org.w3c.css.sac.CombinatorCondition} interface.
059: *
060: * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
061: * @version $Id$
062: */
063: public abstract class AbstractCombinatorCondition implements
064: CombinatorCondition, ExtendedCondition {
065:
066: /**
067: * The first condition.
068: */
069: protected Condition firstCondition;
070:
071: /**
072: * The second condition.
073: */
074: protected Condition secondCondition;
075:
076: /**
077: * Creates a new CombinatorCondition object.
078: */
079: protected AbstractCombinatorCondition(Condition c1, Condition c2) {
080: firstCondition = c1;
081: secondCondition = c2;
082: }
083:
084: /**
085: * Indicates whether some other object is "equal to" this one.
086: * @param obj the reference object with which to compare.
087: */
088: public boolean equals(Object obj) {
089: if (obj == null || !(obj.getClass() != getClass())) {
090: return false;
091: }
092: AbstractCombinatorCondition c = (AbstractCombinatorCondition) obj;
093: return c.firstCondition.equals(firstCondition)
094: && c.secondCondition.equals(secondCondition);
095: }
096:
097: /**
098: * Returns the specificity of this condition.
099: */
100: public int getSpecificity() {
101: return ((ExtendedCondition) getFirstCondition())
102: .getSpecificity()
103: + ((ExtendedCondition) getSecondCondition())
104: .getSpecificity();
105: }
106:
107: /**
108: * <b>SAC</b>: Implements {@link
109: * org.w3c.css.sac.CombinatorCondition#getFirstCondition()}.
110: */
111: public Condition getFirstCondition() {
112: return firstCondition;
113: }
114:
115: /**
116: * <b>SAC</b>: Implements {@link
117: * org.w3c.css.sac.CombinatorCondition#getSecondCondition()}.
118: */
119: public Condition getSecondCondition() {
120: return secondCondition;
121: }
122: }
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