001: /***************************************************************
002: * This file is part of the [fleXive](R) project.
003: *
004: * Copyright (c) 1999-2008
005: * UCS - unique computing solutions gmbh (http://www.ucs.at)
006: * All rights reserved
007: *
008: * The [fleXive](R) project is free software; you can redistribute
009: * it and/or modify it under the terms of the GNU General Public
010: * License as published by the Free Software Foundation;
011: * either version 2 of the License, or (at your option) any
012: * later version.
013: *
014: * The GNU General Public License can be found at
015: * http://www.gnu.org/copyleft/gpl.html.
016: * A copy is found in the textfile GPL.txt and important notices to the
017: * license from the author are found in LICENSE.txt distributed with
018: * these libraries.
019: *
020: * This library is distributed in the hope that it will be useful,
021: * but WITHOUT ANY WARRANTY; without even the implied warranty of
022: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
023: * GNU General Public License for more details.
024: *
025: * For further information about UCS - unique computing solutions gmbh,
026: * please see the company website: http://www.ucs.at
027: *
028: * For further information about [fleXive](R), please see the
029: * project website: http://www.flexive.org
030: *
031: *
032: * This copyright notice MUST APPEAR in all copies of the file!
033: ***************************************************************/package com.flexive.shared.value;
034:
035: import org.apache.commons.lang.math.NumberUtils;
036:
037: import java.io.Serializable;
038: import java.util.Map;
039:
040: /**
041: * A multilingual Double, internally represented as Double
042: *
043: * @author Markus Plesser (markus.plesser@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
044: */
045: public class FxDouble extends FxValue<Double, FxDouble> implements
046: Serializable {
047: private static final long serialVersionUID = 5741011687992366552L;
048:
049: public final static Double EMPTY = 0.0;
050:
051: /**
052: * Constructor
053: *
054: * @param multiLanguage multilanguage value?
055: * @param defaultLanguage the default language
056: * @param translations HashMap containing language->translation mapping
057: */
058: public FxDouble(boolean multiLanguage, long defaultLanguage,
059: Map<Long, Double> translations) {
060: super (multiLanguage, defaultLanguage, translations);
061: }
062:
063: /**
064: * Constructor
065: *
066: * @param defaultLanguage the default language
067: * @param translations HashMap containing language->translation mapping
068: */
069: public FxDouble(long defaultLanguage, Map<Long, Double> translations) {
070: super (defaultLanguage, translations);
071: }
072:
073: /**
074: * Constructor
075: *
076: * @param multiLanguage multilanguage value?
077: * @param translations HashMap containing language->translation mapping
078: */
079: public FxDouble(boolean multiLanguage,
080: Map<Long, Double> translations) {
081: super (multiLanguage, translations);
082: }
083:
084: /**
085: * Constructor
086: *
087: * @param translations HashMap containing language->translation mapping
088: */
089: public FxDouble(Map<Long, Double> translations) {
090: super (translations);
091: }
092:
093: /**
094: * Constructor - create value from an array of translations
095: *
096: * @param translations HashMap containing language->translation mapping
097: * @param pos position (index) in the array to use
098: */
099: public FxDouble(Map<Long, Double[]> translations, int pos) {
100: super (translations, pos);
101: }
102:
103: /**
104: * Constructor
105: *
106: * @param multiLanguage multilanguage value?
107: * @param defaultLanguage the default language
108: * @param value single initializing value
109: */
110: public FxDouble(boolean multiLanguage, long defaultLanguage,
111: Double value) {
112: super (multiLanguage, defaultLanguage, value);
113: }
114:
115: /**
116: * Constructor
117: *
118: * @param defaultLanguage the default language
119: * @param value single initializing value
120: */
121: public FxDouble(long defaultLanguage, Double value) {
122: super (defaultLanguage, value);
123: }
124:
125: /**
126: * Constructor
127: *
128: * @param multiLanguage multilanguage value?
129: * @param value single initializing value
130: */
131: public FxDouble(boolean multiLanguage, Double value) {
132: super (multiLanguage, value);
133: }
134:
135: /**
136: * Constructor
137: *
138: * @param value single initializing value
139: */
140: public FxDouble(Double value) {
141: super (value);
142: }
143:
144: /**
145: * Constructor
146: *
147: * @param clone original FxValue to be cloned
148: */
149: public FxDouble(FxValue<Double, FxDouble> clone) {
150: super (clone);
151: }
152:
153: /**
154: * Evaluates the given string value to an object of type T.
155: *
156: * @param value string value to be evaluated
157: * @return the value interpreted as T
158: */
159: @Override
160: public Double fromString(String value) {
161: return FxValueConverter.toDouble(value);
162: }
163:
164: /**
165: * Creates a copy of the given object (useful if the actual type is unknown).
166: *
167: * @return a copy of the given object (useful if the actual type is unknown).
168: */
169: @Override
170: public FxDouble copy() {
171: return new FxDouble(this );
172: }
173:
174: /**
175: * {@inheritDoc}
176: */
177: @Override
178: public boolean isImmutableValueType() {
179: return true;
180: }
181:
182: /**
183: * {@inheritDoc}
184: */
185: @Override
186: public Class<Double> getValueClass() {
187: return Double.class;
188: }
189:
190: @Override
191: public int compareTo(FxValue o) {
192: if (!(o instanceof FxDouble) || isEmpty() || o.isEmpty()) {
193: return super .compareTo(o);
194: }
195: return NumberUtils.compare(getBestTranslation(), ((FxDouble) o)
196: .getBestTranslation());
197: }
198: }
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