com.google.maps.internal.PriceLevelAdaptor.java Source code

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Here is the source code for com.google.maps.internal.PriceLevelAdaptor.java

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/*
 * Copyright 2015 Google Inc. All rights reserved.
 *
 *
 * 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.maps.internal;

import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import com.google.maps.model.PriceLevel;

import java.io.IOException;

/**
 * This class handles conversion from JSON to {@link PriceLevel}.
 *
 * <p>Please see
 * <a href="https://google-gson.googlecode.com/svn/trunk/gson/docs/javadocs/com/google/gson/TypeAdapter.html">GSON Type
 * Adapter</a> for more detail.
 */
public class PriceLevelAdaptor extends TypeAdapter<PriceLevel> {

    @Override
    public PriceLevel read(JsonReader reader) throws IOException {
        if (reader.peek() == JsonToken.NULL) {
            reader.nextNull();
            return null;
        }

        if (reader.peek() == JsonToken.NUMBER) {
            int priceLevel = reader.nextInt();

            switch (priceLevel) {
            case 0:
                return PriceLevel.FREE;
            case 1:
                return PriceLevel.INEXPENSIVE;
            case 2:
                return PriceLevel.MODERATE;
            case 3:
                return PriceLevel.EXPENSIVE;
            case 4:
                return PriceLevel.VERY_EXPENSIVE;
            }
        }

        return PriceLevel.UNKNOWN;
    }

    /**
     * This method is not implemented.
     */
    @Override
    public void write(JsonWriter writer, PriceLevel value) throws IOException {
        throw new UnsupportedOperationException("Unimplemented method");
    }

}