Java Date ISO Parse parseISODate(String date)

Description

parse ISO Date

License

Apache License

Declaration

public static java.util.Date parseISODate(String date) 

Method Source Code

//package com.java2s;
/*// w w  w  .  java2  s.c  o  m
 * StringUtil.java
 *
 * This file is part of SQL Workbench/J, http://www.sql-workbench.net
 *
 * Copyright 2002-2017, Thomas Kellerer
 *
 * Licensed under a modified Apache License, Version 2.0
 * that restricts the use for certain governments.
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at.
 *
 *     http://sql-workbench.net/manual/license.html
 *
 * 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.
 *
 * To contact the author please send an email to: support@sql-workbench.net
 *
 */

import java.text.SimpleDateFormat;

public class Main {
    public static final String ISO_DATE_FORMAT = "yyyy-MM-dd";

    public static java.util.Date parseISODate(String date) {
        if (isBlank(date))
            return null;

        try {
            SimpleDateFormat sdf = new SimpleDateFormat(ISO_DATE_FORMAT);
            return sdf.parse(date);
        } catch (Exception e) {
        }
        return null;
    }

    /**
     * Checks if the given parameter is "empty",
     * i.e: either null, length == 0 or contains only whitespace
     */
    public static boolean isBlank(CharSequence value) {
        if (isEmptyString(value))
            return true;
        return isWhitespace(value);
    }

    /**
     * Checks if the given String is null or has a zero length.
     * A String containing only whitespaces is not considered empty.
     *
     * @param value the String to test
     * @return true if the String is empty (or null)
     */
    public static boolean isEmptyString(CharSequence value) {
        if (value == null)
            return true;
        if (value.length() == 0)
            return true;
        return false;
    }

    public static boolean isWhitespace(CharSequence s) {
        if (s == null)
            return false;
        int len = s.length();
        if (len == 0)
            return false;
        int pos = 0;
        while (pos < len) {
            char c = s.charAt(pos);
            if (!Character.isWhitespace(c))
                return false;
            pos++;
        }
        return true;
    }
}

Related

1. parseISO8601TimeAndDateString(String dateString)
2. parseIso8601TimeStamp(String dateString)
3. parseIsoDate(@Nonnull String asString)
4. parseIsoDate(final String isoDateString)
5. parseIsoDate(final String string)
6. parseISODate(String date)
7. parseIsoDate(String str)
8. parseIsoDate2(String s)
9. parseIsoDateAndTimeString(String aDateString, String aTimeString)