JSONNull.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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.motorola.studio.android.json;

import java.util.List;

public class JSONNull extends JSONValue
{
    @Override
    public Object getValue()
    {
        return null;
    }

    static JSONValue parseValues(List<Character> json)
    {
        boolean parsed = false;

        while (!parsed)
        {
            Character next = json.get(0);

            if (next == 'n' && json.get(1) == 'u' && json.get(2) == 'l' && json.get(3) == 'l')
            {
                for (int i = 0; i < 4; i++)
                {
                    json.remove(0);
                }
                parsed = true;
            }
            else
            {
                throw new IllegalArgumentException();
            }

        }
        return new JSONNull();
    }

    @Override
    public String toString()
    {
        return "null";
    }
}