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

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Here is the source code for com.google.maps.internal.InstantAdapter.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 org.joda.time.Instant;

import java.io.IOException;

/**
 * This class handles conversion from JSON to {@link Instant}.
 */
public class InstantAdapter extends TypeAdapter<Instant> {

    /**
     * Read a time from the Places API and convert to a {@link Instant}
     */
    @Override
    public Instant read(JsonReader reader) throws IOException {
        if (reader.peek() == JsonToken.NULL) {
            reader.nextNull();
            return null;
        }

        if (reader.peek() == JsonToken.NUMBER) {
            // Number is the number of seconds since Epoch.
            return new Instant(reader.nextLong() * 1000L);
        }

        throw new UnsupportedOperationException("Unsupported format");
    }

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

}