com.google.gwt.i18n.client.impl.cldr.LocalizedNamesImplBase Maven / Gradle / Ivy
/*
* Copyright 2010 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.client.impl.cldr;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.i18n.client.DefaultLocalizedNames;
import com.google.gwt.i18n.client.Localizable;
/**
* A base class for client-side implementations of the {@link
* com.google.gwt.i18n.client.LocalizedNames} interface.
*/
public abstract class LocalizedNamesImplBase extends DefaultLocalizedNames
implements Localizable {
/**
* Add all entries in {@code override} to the original map, replacing
* any existing entries. This is used by subclasses that need to slightly
* alter the data used by the parent locale.
*/
protected static final native JavaScriptObject overrideMap(
JavaScriptObject original, JavaScriptObject override) /*-{
for (var key in override) {
if (override.hasOwnProperty(key)) {
original[key] = override[key];
}
}
return original;
}-*/;
private JavaScriptObject jsoNameMap = null;
@Override
public final String getRegionNameImpl(String regionCode) {
if (GWT.isScript()) {
return getRegionNameNative(regionCode);
} else {
return super.getRegionNameImpl(regionCode);
}
}
@Override
protected String[] loadLikelyRegionCodes() {
// If this override isn't here, LocalizableGenerator-produced overrides
// fail with a visibility error in both javac and eclipse.
return super.loadLikelyRegionCodes();
}
@Override
protected final void loadNameMap() {
if (GWT.isScript()) {
jsoNameMap = loadNameMapNative();
} else {
loadNameMapJava();
}
}
/**
* Load the code=>name map for use in pure Java. On return, nameMap will be
* appropriately initialized.
*/
protected void loadNameMapJava() {
super.loadNameMap();
}
/**
* Load the code=>name map for use in JS.
*
* @return a JSO containing a map of country codes to localized names
*/
protected abstract JavaScriptObject loadNameMapNative();
@Override
protected final boolean needsNameMap() {
if (GWT.isScript()) {
return jsoNameMap == null;
} else {
return super.needsNameMap();
}
}
private native String getRegionNameNative(String regionCode) /*-{
return this.@com.google.gwt.i18n.client.impl.cldr.LocalizedNamesImplBase::jsoNameMap[regionCode];
}-*/;
}