jp.xet.uncommons.wicket.converter.EnumerationConverter.java Source code

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Here is the source code for jp.xet.uncommons.wicket.converter.EnumerationConverter.java

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/*
 * Copyright 2011 Daisuke Miyamoto.
 * Created on 2011/11/19
 *
 * 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 jp.xet.uncommons.wicket.converter;

import java.util.Locale;

import org.apache.wicket.Application;
import org.apache.wicket.Component;
import org.apache.wicket.Localizer;
import org.apache.wicket.util.convert.converter.AbstractConverter;
import org.apache.wicket.util.lang.Args;

/**
 * ?????????
 * 
 * <p>???????? "." ??????????
 * ??? {@link java.lang.Thread.State#TERMINATED} ??
 * {@code java.lang.Thread.State.TERMINATED}??</p>
 * 
 * @param <T> ?
 * @since 1.0
 * @version $Id$
 * @author daisuke
 */
@SuppressWarnings("serial")
public class EnumerationConverter<T extends Enum<T>> extends AbstractConverter<T> {

    private final Class<T> clazz;

    /**
     * ??
     * 
     * @param clazz 
     * @throws IllegalArgumentException ?{@code null}???
     */
    public EnumerationConverter(Class<T> clazz) {
        Args.notNull(clazz, "clazz");
        this.clazz = clazz;
    }

    @Override
    public T convertToObject(String value, Locale locale) {
        throw new UnsupportedOperationException();
    }

    @Override
    public String convertToString(T value, Locale locale) {
        if (value == null) {
            return null;
        }

        Localizer localizer = Application.get().getResourceSettings().getLocalizer();
        return localizer.getString(value.getClass().getName() + "." + value, (Component) null);
    }

    @Override
    protected Class<T> getTargetType() {
        return clazz;
    }
}