org.teamapps.ux.i18n.ResourceBundleTranslationProvider Maven / Gradle / Ivy
/*-
* ========================LICENSE_START=================================
* TeamApps
* ---
* Copyright (C) 2014 - 2023 TeamApps.org
* ---
* 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.
* =========================LICENSE_END==================================
*/
package org.teamapps.ux.i18n;
import java.util.*;
public class ResourceBundleTranslationProvider implements TranslationProvider {
private final String baseName;
private final ResourceBundle.Control resourceBundleControl;
private final Map resourceBundleByLocale = new HashMap<>();
public ResourceBundleTranslationProvider(String baseName) {
this(baseName, "properties");
}
public ResourceBundleTranslationProvider(String baseName, String resourceFileSuffix) {
this(baseName, resourceFileSuffix, Locale.getDefault());
}
public ResourceBundleTranslationProvider(String baseName, Locale fallbackLocale) {
this(baseName, "properties", fallbackLocale);
}
public ResourceBundleTranslationProvider(String baseName, String resourceFileSuffix, Locale fallbackLocale) {
this(baseName, new TeamAppsResourceBundleControl(resourceFileSuffix, fallbackLocale));
}
public ResourceBundleTranslationProvider(String baseName, ResourceBundle.Control control) {
this.baseName = baseName;
this.resourceBundleControl = control;
}
@Override
public String getTranslation(String key, Locale locale) {
ResourceBundle propertyResourceBundle = getResourceBundle(locale);
return propertyResourceBundle.getString(key);
}
@Override
public List getKeys(Locale locale) {
return Collections.list(getResourceBundle(locale).getKeys());
}
private ResourceBundle getResourceBundle(Locale locale) {
return resourceBundleByLocale.computeIfAbsent(locale,
language -> ResourceBundle.getBundle(this.baseName, language, resourceBundleControl));
}
}