JSONPair.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 JSONPair
{
    private final String name;

    private final JSONValue value;

    public JSONPair(String name, JSONValue value)
    {
        this.name = name;
        this.value = value;
    }

    public String getName()
    {
        return name;
    }

    public JSONValue getValue()
    {
        return value;
    }

    public static JSONPair parse(List<Character> json)
    {
        String name = null;
        JSONValue value = null;
        boolean parsed = false;
        while (!parsed)
        {
            Character next = json.get(0);
            if (next == '"')
            {
                name = parseName(json);
            }
            else if ((next == ' ') || (next == '\r') || (next == '\n'))
            {
                json.remove(0);
            }
            else if (next == ':')
            {
                json.remove(0);
                value = JSONValueParser.parse(json);
                parsed = true;
            }
        }

        return new JSONPair(name, value);
    }

    private static String parseName(List<Character> json)
    {
        String name = null;
        StringBuilder nameBuilder = new StringBuilder();
        boolean specialChar = false;
        Character next;
        json.remove(0);
        while (name == null)
        {
            next = json.remove(0);
            if ((next == '"'))
            {
                if (specialChar)
                {
                    specialChar = false;
                }
                else
                {
                    name = nameBuilder.toString();
                }
            }
            else if (next == '\\')
            {
                specialChar = true;
            }
            else
            {
                specialChar = false;
                nameBuilder.append(next);
            }
        }
        return name;
    }

    @Override
    public String toString()
    {
        return "\"" + name + "\":" + value.toString();
    }

}