BundleMessageTemplateProvider.java
/**
* Copyright (c) 2025, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.commons.report;
import java.util.Locale;
import java.util.ResourceBundle;
/**
* Bundle message template provider based on a {@link ResourceBundle}.
* @author Florian Dupuy {@literal <florian.dupuy at rte-france.com>}
*/
public class BundleMessageTemplateProvider implements MessageTemplateProvider {
private final String bundleBaseName;
private final boolean throwIfUnknownKey;
private ResourceBundle resourceBundle;
public BundleMessageTemplateProvider(String bundleBaseName) {
this(bundleBaseName, false);
}
public BundleMessageTemplateProvider(String bundleBaseName, boolean throwIfUnknownKey) {
this.bundleBaseName = bundleBaseName;
this.resourceBundle = ResourceBundle.getBundle(bundleBaseName, ReportConstants.DEFAULT_LOCALE);
this.throwIfUnknownKey = throwIfUnknownKey;
}
@Override
public String getTemplate(String key, Locale locale) {
if (!this.resourceBundle.getLocale().equals(locale)) {
this.resourceBundle = ResourceBundle.getBundle(bundleBaseName, locale);
}
if (!throwIfUnknownKey && !resourceBundle.containsKey(key)) {
return MessageTemplateProvider.getMissingKeyMessage(key, locale);
}
return resourceBundle.getString(key);
}
}