/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.global;
import com.sun.j2me.global.CollationAbstractionLayer;
import com.sun.j2me.global.CommonStringComparator;
import com.sun.j2me.global.LocaleHelpers;
// JAVADOC COMMENT ELIDED
public final class StringComparator {
// JAVADOC COMMENT ELIDED
public static final int LEVEL1 = 1;
// JAVADOC COMMENT ELIDED
public static final int LEVEL2 = 2;
// JAVADOC COMMENT ELIDED
public static final int LEVEL3 = 3;
// JAVADOC COMMENT ELIDED
public static final int IDENTICAL = 15;
/**
* Collation level
*/
private int level;
/**
* Locale
*/
private String locale;
/**
* Instance of the CollationAbstractionLayer
*/
private static CollationAbstractionLayer collationAbstractionLayer =
CollationAbstractionLayer.getInstance();
/**
* String comparator
*/
private CommonStringComparator stringComparatorImpl;
// JAVADOC COMMENT ELIDED
public StringComparator() {
this(System.getProperty("microedition.locale"), LEVEL1);
}
// JAVADOC COMMENT ELIDED
public StringComparator(String locale) {
this(locale, LEVEL1);
}
// JAVADOC COMMENT ELIDED
public StringComparator(String locale, int level)
throws UnsupportedLocaleException, IllegalArgumentException {
// check the level
if ((level < LEVEL1) || (level > LEVEL3) && (level != IDENTICAL)) {
throw new IllegalArgumentException("Invalid level");
}
if (!LocaleHelpers.isValidLocale(locale) && !("".equals(locale))) {
throw new IllegalArgumentException("Invalid locale format");
}
locale = LocaleHelpers.normalizeLocale(locale);
if ("".equals(locale)) {
this.locale = null;
} else {
this.locale = locale;
}
this.level = level;
if (locale == null) {
locale = "";
}
stringComparatorImpl = collationAbstractionLayer.getStringComparator(
locale, level);
}
// JAVADOC COMMENT ELIDED
public static String[] getSupportedLocales() {
return collationAbstractionLayer.getSupportedLocales();
}
// JAVADOC COMMENT ELIDED
public int compare(String s1, String s2) {
return stringComparatorImpl.compare(s1, s2);
}
// JAVADOC COMMENT ELIDED
public boolean equals(String s1, String s2) {
return stringComparatorImpl.equals(s1, s2);
}
// JAVADOC COMMENT ELIDED
public int getLevel() {
return level;
}
// JAVADOC COMMENT ELIDED
public String getLocale() {
return locale;
}
}
|