SingletonResourceBundle.java

/***
 * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource All rights reserved.
 *
 * 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 br.com.caelum.vraptor.validator;

import java.util.Collections;
import java.util.Enumeration;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

public final class SingletonResourceBundle extends ResourceBundle {
	private final String value;
	private final String key;

	public SingletonResourceBundle(String key, String value) {
		this.value = value;
		this.key = key;
	}

	@Override
	protected Object handleGetObject(String k) {
		if (k.equals(key)) {
			return value;
		}
		throw new MissingResourceException(k, value, key);
	}

	@Override
	public Enumeration<String> getKeys() {
		return Collections.enumeration(Collections.singleton(key));
	}
}