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.value;
052:
053: import org.w3c.dom.DOMException;
054: import org.w3c.dom.css.CSSPrimitiveValue;
055:
056: /**
057: * This class represents string values.
058: *
059: * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
060: * @version $Id$
061: */
062: public class StringValue extends AbstractValue {
063:
064: /**
065: * Returns the CSS text associated with the given type/value pair.
066: */
067: public static String getCssText(short type, String value) {
068: switch (type) {
069: case CSSPrimitiveValue.CSS_URI:
070: return "url(" + value + ")";
071:
072: case CSSPrimitiveValue.CSS_STRING:
073: // BEGIN RAVE MODIFICATIONS
074: // Prefer single quotes over double quotes since these
075: // values are typically used as part of modified element style attributes
076: //char q = (value.indexOf('"') != -1) ? '\'' : '"';
077: char q = (value.indexOf('\'') != -1) ? '"' : '\'';
078: // END RAVE MODIFICATIONS
079: return q + value + q;
080: }
081: return value;
082: }
083:
084: /**
085: * The value of the string
086: */
087: protected String value;
088:
089: /**
090: * The unit type
091: */
092: protected short unitType;
093:
094: /**
095: * Creates a new StringValue.
096: */
097: public StringValue(short type, String s) {
098: unitType = type;
099: value = s;
100: }
101:
102: /**
103: * The type of the value.
104: */
105: public short getPrimitiveType() {
106: return unitType;
107: }
108:
109: /**
110: * Indicates whether some other object is "equal to" this one.
111: * @param obj the reference object with which to compare.
112: */
113: public boolean equals(Object obj) {
114: if (obj == null || !(obj instanceof StringValue)) {
115: return false;
116: }
117: StringValue v = (StringValue) obj;
118: if (unitType != v.unitType) {
119: return false;
120: }
121: return value.equals(v.value);
122: }
123:
124: /**
125: * A string representation of the current value.
126: */
127: public String getCssText() {
128: return getCssText(unitType, value);
129: }
130:
131: /**
132: * This method is used to get the string value.
133: * @exception DOMException
134: * INVALID_ACCESS_ERR: Raised if the value doesn't contain a string
135: * value.
136: */
137: public String getStringValue() throws DOMException {
138: return value;
139: }
140:
141: /**
142: * Returns a printable representation of this value.
143: */
144: public String toString() {
145: return getCssText();
146: }
147: }
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