org.agorava.yammer.impl.YammerDateDeserializer.java Source code

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Here is the source code for org.agorava.yammer.impl.YammerDateDeserializer.java

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/*
 * Copyright 2014 Agorava
 *
 * 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 org.agorava.yammer.impl;

import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

/**
 * @author Werner Keil
 * @author Morten Andersen-Gott
 *
 */
public class YammerDateDeserializer extends JsonDeserializer<Date> {

    //Example format: 2011/03/03 21:12:57 +0000
    public static final String DATE_FORMAT_MASK = "yyy/MM/dd HH:mm:ss Z";
    public static final Locale LOCALE = Locale.ENGLISH;

    @Override
    public Date deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        try {
            return createDateFormatter().parse(jp.getText());
        } catch (ParseException e) {
            return null;
        }
    }

    SimpleDateFormat createDateFormatter() {
        return new SimpleDateFormat(DATE_FORMAT_MASK, LOCALE);
    }

}