Java Parse expected format: a 3-character representation of the month, the day (one or two digits), and a 4-digit year - Java Date Time

Java examples for Date Time:Date Time Parse

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Description

Java Parse expected format: a 3-character representation of the month, the day (one or two digits), and a 4-digit year

Demo Code

import java.io.PrintStream;
import java.time.LocalDate;
import java.time.format.DateTimeParseException;
import java.time.format.DateTimeFormatter;

/*/*w w  w.  j  av  a2 s  . c  o  m*/
 * Parses the input at the command line. The expected format is
 * MMM d yyyy. In other words, a 3-character representation of
 * the month, the day (one or two digits), and a 4-digit year.
 */
public class Parse {

    public static void main(String[] args) {
        if (args.length < 3) {
            System.out
                    .printf("Usage: Parse <3-char month> <day> <4-digit year>%n");
            throw new IllegalArgumentException();
        }
        String input = args[0] + ' ' + args[1] + ' ' + args[2];
        try {
            DateTimeFormatter formatter = DateTimeFormatter
                    .ofPattern("MMM d yyyy");
            LocalDate date = LocalDate.parse(input, formatter);
            System.out.printf("%s%n", date);
        } catch (DateTimeParseException exc) {
            System.out.printf("%s is not parsable!%n", input);
            throw exc; // Rethrow the exception.
        }
        // 'date' has been successfully parsed
    }
}

/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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