/*
* Copyright (C) 2011 Rhegium Team
*
* 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 org.rhegium.vaadin.internal.mvc;
import java.util.Locale;
import org.rhegium.api.i18n.LanguageService;
import org.rhegium.api.uibinder.TargetHandler;
import org.rhegium.api.uibinder.UiBinderException;
import org.rhegium.internal.utils.StringUtils;
class LanguageBindingHandler implements TargetHandler {
private final LanguageService languageService;
private final ComponentHandler componentHandler;
private final Locale locale;
LanguageBindingHandler(LanguageService languageService, ComponentHandler componentHandler, Locale locale) {
this.languageService = languageService;
this.componentHandler = componentHandler;
this.locale = locale;
}
@Override
public String getTargetNamespace() {
return "urn:de.heldenreich.wcc.framework.mvc.uibinder.i18n";
}
@Override
public void handleStartElement(String uri, String name) {
}
@Override
public void handleEndElement(String uri, String name) {
}
@Override
public void handleAttribute(String name, Object value) {
if (value == null || !(value instanceof String) || StringUtils.isEmpty(value.toString())) {
throw new UiBinderException("Illegal attribute value found");
}
String message = languageService.getString(value.toString(), locale);
componentHandler.handleAttribute(name, message);
}
}