com.addhen.voto.sdk.DateDeserializer.java Source code

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Here is the source code for com.addhen.voto.sdk.DateDeserializer.java

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/*
 * Copyright (c) 2016. Henry Addo 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.addhen.voto.sdk;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;

import java.lang.reflect.Type;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Locale;

/**
 * @author Henry Addo
 */
public class DateDeserializer implements JsonDeserializer<Date> {

    private static final String[] DATE_FORMATS = new String[] { "yyyy-MM-dd", "yyyy-MM-dd h:mm:ss" };

    @Override
    public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
            throws JsonParseException {
        // Determine whether date has time as well
        String[] dateTime = json.getAsString().trim().split(" ");
        try {
            if (dateTime.length > 1) {
                return new SimpleDateFormat(DATE_FORMATS[1], Locale.US).parse(json.getAsString());
            }
            return new SimpleDateFormat(DATE_FORMATS[0], Locale.US).parse(json.getAsString());
        } catch (ParseException e) {
            e.printStackTrace();
        }
        throw new JsonParseException("Unparseable date: \"" + json.getAsString() + "\". Supported formats: "
                + Arrays.toString(DATE_FORMATS));
    }
}