org.paxml.bean.SetLocaleTag.java Source code

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Here is the source code for org.paxml.bean.SetLocaleTag.java

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/**
 * This file is part of PaxmlCore.
 *
 * PaxmlCore is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PaxmlCore 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with PaxmlCore.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.paxml.bean;

import java.util.Locale;

import org.paxml.annotation.Tag;
import org.paxml.core.Context;
import org.paxml.core.PaxmlRuntimeException;
import org.springframework.util.StringUtils;

/**
 * setLocale tag impl.
 * 
 * @author Xuetao Niu
 * 
 */
@Tag(name = SetLocaleTag.TAG_NAME)
public class SetLocaleTag extends BeanTag {
    /**
     * The tag name.
     */
    public static final String TAG_NAME = "setLocale";

    /**
     * {@inheritDoc}
     */
    @Override
    protected Object doInvoke(Context context) throws Exception {
        Object value = getValue();
        if (value != null) {
            Locale locale = StringUtils.parseLocaleString(value.toString());
            context.setLocale(locale);
        } else {
            throw new PaxmlRuntimeException("No locale given!");
        }
        return context.getLocale();
    }

}