com.google.gwt.coreext.client.JSON.java Source code

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Here is the source code for com.google.gwt.coreext.client.JSON.java

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/*
 * Copyright 2009 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.coreext.client;

import com.google.gwt.core.client.JavaScriptException;
import com.google.gwt.core.client.JavaScriptObject;

/**
 * Utility for going parsing and stringifying JSON.
 */
public class JSON {
    /**
     * Thrown when JSON.parse fails on some input.
     */
    @SuppressWarnings("serial")
    public static class JSONParseException extends IllegalArgumentException {
        public JSONParseException(String msg) {
            super(msg);
        }
    }

    public static JavaScriptObject parse(String jsonStr) throws JSONParseException {
        try {
            return parseImpl(jsonStr);
        } catch (JavaScriptException jse) {
            throw new JSONParseException("JSON string failed to parse");
        }
    }

    public static native String stringify(JavaScriptObject jso) /*-{
                                                                return JSON.stringify(jso);
                                                                }-*/;

    private static native JavaScriptObject parseImpl(String jsonStr) /*-{
                                                                     return JSON.parse(jsonStr);
                                                                     }-*/;

    private JSON() {
    }
}