com.google.gwt.i18n.server.AbstractMessageInterface Maven / Gradle / Ivy
/*
* Copyright 2011 Google Inc.
*
* 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 com.google.gwt.i18n.server;
import com.google.gwt.i18n.client.LocalizableResource.DefaultLocale;
import com.google.gwt.i18n.shared.GwtLocale;
import com.google.gwt.i18n.shared.GwtLocaleFactory;
import java.lang.annotation.Annotation;
/**
* Base implementation of {@link MessageInterface}.
*/
public abstract class AbstractMessageInterface implements MessageInterface {
protected final GwtLocaleFactory factory;
public AbstractMessageInterface(GwtLocaleFactory factory) {
this.factory = factory;
}
public void accept(MessageInterfaceVisitor cv)
throws MessageProcessingException {
accept(cv, factory.getDefault());
}
public void accept(MessageInterfaceVisitor cv, GwtLocale locale)
throws MessageProcessingException {
String defaultLocale = DefaultLocale.DEFAULT_LOCALE;
DefaultLocale defLocaleAnnot = getAnnotation(DefaultLocale.class);
if (defLocaleAnnot != null) {
defaultLocale = defLocaleAnnot.value();
}
GwtLocale sourceLocale;
try {
sourceLocale = factory.fromString(defaultLocale);
} catch (IllegalArgumentException e) {
// ignore specified default
sourceLocale = factory.fromString(DefaultLocale.DEFAULT_LOCALE);
}
cv.visitMessageInterface(this, sourceLocale);
for (Message msg : getMessages()) {
MessageTranslation trans = msg.getTranslation(locale);
MessageVisitor mv = cv.visitMessage(msg, trans != null ? trans : msg);
if (mv != null) {
msg.accept(mv);
}
}
cv.endMessageInterface(this);
}
public abstract A getAnnotation(Class annotClass);
public abstract String getClassName();
/**
* Gets the list of messages defined in this interface, including inherited.
* These must be returned in order of {@link Message#getKey()}.
*
* @return an iteration of {@link Message} instances
* @throws MessageProcessingException
*/
public abstract Iterable getMessages()
throws MessageProcessingException;
public abstract String getPackageName();
public abstract String getQualifiedName();
public abstract boolean isAnnotationPresent(
Class annotClass);
@Override
public String toString() {
return getClassName();
}
}