| /* |
| * 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 extends Annotation> A getAnnotation(Class<A> 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<Message> getMessages() |
| throws MessageProcessingException; |
| |
| public abstract String getPackageName(); |
| |
| public abstract String getQualifiedName(); |
| |
| public abstract boolean isAnnotationPresent( |
| Class<? extends Annotation> annotClass); |
| |
| @Override |
| public String toString() { |
| return getClassName(); |
| } |
| } |