com.google.gwt.i18n.client.TimeZoneInfo.java Source code

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Here is the source code for com.google.gwt.i18n.client.TimeZoneInfo.java

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/*
 * Copyright 2008 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;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArrayInteger;
import com.google.gwt.core.client.JsArrayString;

/**
 * A JavaScript Overlay type on top of the JSON data describing everything we
 * need to know about a particular timezone. The relevant strings of JSON can
 * be found in TimeZoneConstants, or versions localized for non-en locales can
 * be downloaded elsewhere. 
 */
public class TimeZoneInfo extends JavaScriptObject {
    /** 
     * Construct a TimeZoneData javascript overlay object given some json text.
     * This method directly evaluates the String that you pass in; no error or
     * safety checking is performed, so be very careful about the source of
     * your data.
     * 
     * @param json JSON text describing a time zone, like what comes from
     * {@link  com.google.gwt.i18n.client.constants.TimeZoneConstants}.
     * @return a TimeZoneInfo object made from the supplied JSON.
     */
    public static TimeZoneInfo buildTimeZoneData(String json) {
        return (TimeZoneInfo) eval(json);
    }

    private static native JavaScriptObject eval(String json) /*-{
                                                             return eval("(" + json + ")");
                                                             }-*/;

    protected TimeZoneInfo() {
    }

    public final native String getID() /*-{ return this.id; }-*/;

    public final native JsArrayString getNames() /*-{
                                                 return this.names;
                                                 }-*/;

    public final native int getStandardOffset() /*-{ return this.std_offset }-*/;

    public final native JsArrayInteger getTransitions() /*-{
                                                        return this.transitions;
                                                        }-*/;
}