org.atomserver.utils.locale.LocaleUtils.java Source code

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Here is the source code for org.atomserver.utils.locale.LocaleUtils.java

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/* Copyright (c) 2007 HomeAway, Inc.
 *  All rights reserved.  http://www.atomserver.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.atomserver.utils.locale;

import java.util.Locale;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * @author Chris Berry  (chriswberry at gmail.com)
 * @author Bryon Jacob (bryon at jacob.net)
 */
public class LocaleUtils {

    static private Log log = LogFactory.getLog(LocaleUtils.class);

    static {
        loadValidLocales();
    }

    static void loadValidLocales() {
        if (log.isDebugEnabled())
            log.debug("LocaleUtils:: localeSet= "
                    + (Set<Locale>) org.apache.commons.lang.LocaleUtils.availableLocaleSet());
    }

    public static Locale toLocale(String str) {
        Locale locale = org.apache.commons.lang.LocaleUtils.toLocale(str);
        if (!org.apache.commons.lang.LocaleUtils.isAvailableLocale(locale))
            return null;

        // We do NOT allow variants
        if (!locale.getVariant().equals(""))
            return null;

        return locale;
    }
}