/***
* 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.vraptor2;
import java.util.Enumeration;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import br.com.caelum.vraptor.vraptor2.util.FallbackEnumeration;
/**
* A resource bundle which uses two different bundles to look for messages.
*
* @author Guilherme Silveira
*/
class FallbackResourceBundle extends ResourceBundle{
private final ResourceBundle main;
private final ResourceBundle fallback;
public FallbackResourceBundle(ResourceBundle main, ResourceBundle fallback) {
this.main = main;
this.fallback = fallback;
}
public Enumeration<String> getKeys() {
return new FallbackEnumeration(main.getKeys(), fallback.getKeys());
}
protected Object handleGetObject(String key) {
try {
return main.getString(key);
} catch (MissingResourceException e) {
try {
return fallback.getString(key);
} catch (MissingResourceException e1) {
return "???" + key + "???";
}
}
}
}