com.liferay.portal.kernel.util.AggregateResourceBundleLoader Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
package com.liferay.portal.kernel.util;
import com.liferay.petra.string.StringPool;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* @author Carlos Sierra Andrés
*/
public class AggregateResourceBundleLoader implements ResourceBundleLoader {
public AggregateResourceBundleLoader(
ResourceBundleLoader... resourceBundleLoaders) {
for (int i = 0; i < resourceBundleLoaders.length; i++) {
if (resourceBundleLoaders[i] == null) {
throw new NullPointerException(
"Null resource bundle loader at index " + i);
}
}
_resourceBundleLoaders = resourceBundleLoaders;
}
@Override
public ResourceBundle loadResourceBundle(Locale locale) {
List resourceBundles = new ArrayList<>();
for (ResourceBundleLoader resourceBundleLoader :
_resourceBundleLoaders) {
try {
ResourceBundle resourceBundle =
resourceBundleLoader.loadResourceBundle(locale);
if (resourceBundle != null) {
resourceBundles.add(resourceBundle);
}
}
catch (Exception e) {
}
}
if (resourceBundles.isEmpty()) {
String languageId = LocaleUtil.toLanguageId(locale);
throw new MissingResourceException(
StringBundler.concat(
"Resource bundle loader ", String.valueOf(this),
" was unable to load resource bundle for ", languageId),
StringPool.BLANK, languageId);
}
if (resourceBundles.size() == 1) {
return resourceBundles.get(0);
}
return new AggregateResourceBundle(
resourceBundles.toArray(
new ResourceBundle[resourceBundles.size()]));
}
/**
* @deprecated As of Judson (7.1.x), replaced by {@link
* #loadResourceBundle(Locale)}
*/
@Deprecated
@Override
public ResourceBundle loadResourceBundle(String languageId) {
return ResourceBundleLoader.super.loadResourceBundle(languageId);
}
private final ResourceBundleLoader[] _resourceBundleLoaders;
}