ca.tokenize.sally.api.DateDeserializer.java Source code

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Here is the source code for ca.tokenize.sally.api.DateDeserializer.java

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/*
 * Copyright (C) 2014  Mike Farr
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package ca.tokenize.sally.api;

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

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

public class DateDeserializer implements JsonDeserializer<Date> {
    private static final String SALLY_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    @Override
    public Date deserialize(JsonElement element, Type type, JsonDeserializationContext context) {
        String date = element.getAsString();

        SimpleDateFormat format = new SimpleDateFormat(SALLY_DATE_FORMAT);
        format.setTimeZone(TimeZone.getTimeZone("UTC"));

        try {
            return format.parse(date);
        } catch (ParseException e) {
            return null;
        }
    }
}