svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.ui / src / main / java / org / gvsig / gui / beans / comboboxconfigurablelookup / StringComparator.java @ 40561
History | View | Annotate | Download (5.59 KB)
| 1 |
/**
|
|---|---|
| 2 |
* gvSIG. Desktop Geographic Information System.
|
| 3 |
*
|
| 4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
| 5 |
*
|
| 6 |
* This program is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU General Public License
|
| 8 |
* as published by the Free Software Foundation; either version 3
|
| 9 |
* of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This program is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 14 |
* GNU General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU General Public License
|
| 17 |
* along with this program; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 |
* MA 02110-1301, USA.
|
| 20 |
*
|
| 21 |
* For any additional information, do not hesitate to contact us
|
| 22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
| 23 |
*/
|
| 24 |
package org.gvsig.gui.beans.comboboxconfigurablelookup; |
| 25 |
|
| 26 |
import java.text.Collator; |
| 27 |
import java.util.Comparator; |
| 28 |
|
| 29 |
/**
|
| 30 |
* <p>Compares two chain of characters alphabetically.</p>
|
| 31 |
*
|
| 32 |
* <p>This class is a copy of a class with the same name located in <i>libIverUtiles</i>.</p>
|
| 33 |
*
|
| 34 |
* @author Fernando Gonz?lez Cort?s
|
| 35 |
* @author Pablo Piqueras Bartolom? <pablo.piqueras@iver.es)
|
| 36 |
*/
|
| 37 |
public class StringComparator implements Comparator<Object> { |
| 38 |
private boolean caseSensitive = true; |
| 39 |
private LocaleRules localeRules = null; |
| 40 |
|
| 41 |
/**
|
| 42 |
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
|
| 43 |
*/
|
| 44 |
public int compare(Object o1, Object o2) { |
| 45 |
String s1 = o1.toString();
|
| 46 |
String s2 = o2.toString();
|
| 47 |
|
| 48 |
// If localeRules is null -> use the default rules
|
| 49 |
if (localeRules == null) { |
| 50 |
if (caseSensitive) {
|
| 51 |
return s1.compareTo(s2);
|
| 52 |
} |
| 53 |
else {
|
| 54 |
return s1.compareToIgnoreCase(s2);
|
| 55 |
} |
| 56 |
} |
| 57 |
else {
|
| 58 |
if (localeRules.isUseLocaleRules()) {
|
| 59 |
Collator collator = localeRules.getCollator();
|
| 60 |
|
| 61 |
if (caseSensitive) {
|
| 62 |
return collator.compare(s1, s2);
|
| 63 |
} |
| 64 |
else {
|
| 65 |
return collator.compare(s1.toLowerCase(), s2.toLowerCase());
|
| 66 |
} |
| 67 |
} |
| 68 |
else {
|
| 69 |
if (caseSensitive) {
|
| 70 |
return s1.compareTo(s2);
|
| 71 |
} |
| 72 |
else {
|
| 73 |
return s1.compareToIgnoreCase(s2);
|
| 74 |
} |
| 75 |
} |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
/**
|
| 80 |
* Determines if the comparator is sensitive to upper case and down case characters or not.
|
| 81 |
*
|
| 82 |
* @return <code>true</code> if the comparator is sensitive to upper case and down case characters;
|
| 83 |
* otherwise not
|
| 84 |
*/
|
| 85 |
public boolean isCaseSensitive() { |
| 86 |
return caseSensitive;
|
| 87 |
} |
| 88 |
|
| 89 |
/**
|
| 90 |
* Sets the comparator sensitive or insensitive to upper case and down case characters.
|
| 91 |
*
|
| 92 |
* @param b <code>true</code> if the comparator is sensitive to upper case and down case characters;
|
| 93 |
* <code>false</code> if not
|
| 94 |
*/
|
| 95 |
public void setCaseSensitive(boolean b) { |
| 96 |
caseSensitive = b; |
| 97 |
} |
| 98 |
|
| 99 |
/**
|
| 100 |
* Gets an object with the information for use the locale rules in comparison between strings.
|
| 101 |
* <ul>
|
| 102 |
* <li>A boolean value -> if want or not use the locale rules</li>
|
| 103 |
* <li>A reference to the locale rules</li>
|
| 104 |
* </ul>
|
| 105 |
*
|
| 106 |
* @return @see LocaleRules
|
| 107 |
*/
|
| 108 |
public LocaleRules getLocaleRules() {
|
| 109 |
return localeRules;
|
| 110 |
} |
| 111 |
/**
|
| 112 |
* Sets an object with the information for use the locale rules in comparison between strings.
|
| 113 |
* <ul>
|
| 114 |
* <li>A boolean value -> if want or not use the locale rules.</li>
|
| 115 |
* <li>A reference to the locale rules.</li>
|
| 116 |
* </ul>
|
| 117 |
*
|
| 118 |
* @param @see LocaleRules
|
| 119 |
*/
|
| 120 |
public void setLocaleRules(LocaleRules locRules) { |
| 121 |
localeRules = locRules; |
| 122 |
} |
| 123 |
|
| 124 |
/**
|
| 125 |
* Represents the information needed by <i>StringComparator</i> for use or not locale-sensitive String
|
| 126 |
* comparison-rules in the <b><i>compare</i></b> method.
|
| 127 |
*
|
| 128 |
* @author Pablo Piqueras Bartolom?
|
| 129 |
*/
|
| 130 |
public class LocaleRules { |
| 131 |
private boolean useLocaleRules; |
| 132 |
private Collator _collator; |
| 133 |
|
| 134 |
/**
|
| 135 |
* Default constructor without parameters.
|
| 136 |
*/
|
| 137 |
public LocaleRules() {
|
| 138 |
useLocaleRules = false;
|
| 139 |
_collator = null;
|
| 140 |
} |
| 141 |
|
| 142 |
/**
|
| 143 |
* Default constructor with two parameters.
|
| 144 |
*
|
| 145 |
* @param b Use locale rules
|
| 146 |
* @param collator A reference to an object configurated for locale-sensitive String comparison
|
| 147 |
*/
|
| 148 |
public LocaleRules(boolean b, Collator collator) { |
| 149 |
useLocaleRules = b; |
| 150 |
_collator = collator; |
| 151 |
} |
| 152 |
|
| 153 |
/**
|
| 154 |
* Gets the value of the inner attribute <i>_collator</i>.
|
| 155 |
*
|
| 156 |
* @return Returns A reference to an object configurated for locale-sensitive String comparison
|
| 157 |
*/
|
| 158 |
public Collator getCollator() { |
| 159 |
return _collator;
|
| 160 |
} |
| 161 |
|
| 162 |
/**
|
| 163 |
* Sets a value to the inner attribute <i>_collator</i>.
|
| 164 |
*
|
| 165 |
* @param collator A reference to an object configurated for locale-sensitive String comparison
|
| 166 |
*/
|
| 167 |
public void setCollator(Collator collator) { |
| 168 |
this._collator = collator;
|
| 169 |
} |
| 170 |
|
| 171 |
/**
|
| 172 |
* Gets the value of the inner attribute <i>useLocaleRules</i>.
|
| 173 |
*
|
| 174 |
* @return Returns the useLocaleRules.
|
| 175 |
*/
|
| 176 |
public boolean isUseLocaleRules() { |
| 177 |
return useLocaleRules;
|
| 178 |
} |
| 179 |
|
| 180 |
/**
|
| 181 |
* Sets a value to the inner attribute <i>useLocaleRules</i>.
|
| 182 |
*
|
| 183 |
* @param useLocaleRules The useLocaleRules to set.
|
| 184 |
*/
|
| 185 |
public void setUseLocaleRules(boolean useLocaleRules) { |
| 186 |
this.useLocaleRules = useLocaleRules;
|
| 187 |
} |
| 188 |
} |
| 189 |
} |