Convert to a date from a UTC string with either day or second granularity. - Java java.util

Java examples for java.util:Day

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Description

Convert to a date from a UTC string with either day or second granularity.

Demo Code

/**//from w w  w . j  a  v  a2 s . c o m
 *  Copyright 2009, 2010 The Regents of the University of California
 *  Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.java2s;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

public class Main {

    /**
     * Convert to a date from a UTC string with either day or second granularity.
     * 
     * @throws ParseException
     *           malformed date string
     */
    public static Date fromUtc(String d) throws ParseException {
        try {
            return newDateTimeFormat().parse(d);
        } catch (ParseException e) {
            return newDateFormat().parse(d);
        }
    }

    public static DateFormat newDateTimeFormat() {
        SimpleDateFormat f = new SimpleDateFormat(
                "yyyy-MM-dd'T'HH:mm:ss'Z'");
        f.setTimeZone(TimeZone.getTimeZone("UTC"));
        return f;
    }

    public static DateFormat newDateFormat() {
        SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
        f.setTimeZone(TimeZone.getTimeZone("UTC"));
        return f;
    }
}

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