com.infinities.skyport.compute.entity.adapter.ISO8601DateAdapter.java Source code

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Here is the source code for com.infinities.skyport.compute.entity.adapter.ISO8601DateAdapter.java

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/*******************************************************************************
 * Copyright 2015 InfinitiesSoft Solutions Inc.
 *
 * 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.infinities.skyport.compute.entity.adapter;

import java.io.Serializable;
import java.util.Date;
import java.util.TimeZone;

import javax.xml.bind.annotation.adapters.XmlAdapter;

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.infinities.skyport.util.PropertiesHolder;

public class ISO8601DateAdapter extends XmlAdapter<String, Date> implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private static DateTimeZone timeZone = DateTimeZone
            .forTimeZone(TimeZone.getTimeZone(PropertiesHolder.getProperty(PropertiesHolder.TIMEZONE)));
    private static DateTimeFormatter inputFormatter = DateTimeFormat.forPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ")
            .withZone(timeZone);
    private static DateTimeFormatter outputFormatter = DateTimeFormat.forPattern("yyyy-MM-dd'T'HH:mm:ssZ")
            .withZone(timeZone);
    // private ThreadLocal<DateFormat> iso8601Format = new
    // ThreadLocal<DateFormat>() {
    //
    // @Override
    // protected DateFormat initialValue() {
    // DateFormat iso8601Format = new
    // SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
    // iso8601Format.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
    // return iso8601Format;
    // }
    // };
    private static final Logger logger = LoggerFactory.getLogger(ISO8601DateAdapter.class);

    @Override
    public Date unmarshal(String v) throws Exception {
        if (v == null) {
            return null;
        }
        try {
            // DateFormat format = iso8601Format.get();
            // return format.parse(v);
            return inputFormatter.parseDateTime(v).toDate();
        } catch (Exception e) {
            logger.debug("Failed to parse string {}", v);
            return null;
        }

    }

    @Override
    public String marshal(Date v) throws Exception {
        try {
            // DateFormat format = iso8601Format.get();
            // return format.format(v);
            DateTime dt = new DateTime(v);
            dt.withZone(timeZone);
            return dt.toString(outputFormatter);
        } catch (Exception e) {
            logger.warn("Failed to format date {}", v.toString());
            return null;
        }
    }

}