DateFormats.java

/*
 * Portions of this software was developed by employees of the National Institute
 * of Standards and Technology (NIST), an agency of the Federal Government and is
 * being made available as a public service. Pursuant to title 17 United States
 * Code Section 105, works of NIST employees are not subject to copyright
 * protection in the United States. This software may be subject to foreign
 * copyright. Permission in the United States and in foreign countries, to the
 * extent that NIST may hold copyright, to use, copy, modify, create derivative
 * works, and distribute this software and its documentation without fee is hereby
 * granted on a non-exclusive basis, provided that this notice and disclaimer
 * of warranty appears in all copies.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
 */

package gov.nist.secauto.metaschema.core.datatype.adapter;

import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.time.temporal.ChronoField;

public final class DateFormats {

  // public static final DateTimeFormatter dateWithOptionalTZ;
  public static final DateTimeFormatter DATE_WITH_TZ;
  public static final DateTimeFormatter DATE_WITHOUT_TZ;
  // public static final DateTimeFormatter dateTimeWithOptionalTZ;
  public static final DateTimeFormatter DATE_TIME_WITH_TZ;
  public static final DateTimeFormatter DATE_TIME_WITHOUT_TZ;

  static {
    DATE_WITH_TZ = new DateTimeFormatterBuilder()
        .appendPattern("yyyy-MM-dd")
        .appendPattern("XXX")
        .toFormatter();
    DATE_WITHOUT_TZ = new DateTimeFormatterBuilder()
        .appendPattern("yyyy-MM-dd")
        .toFormatter();
    DATE_TIME_WITH_TZ = new DateTimeFormatterBuilder()
        .appendPattern("yyyy-MM-dd'T'HH:mm:ss")
        .optionalStart()
        .appendFraction(ChronoField.NANO_OF_SECOND, 0, 9, true)
        .optionalEnd()
        .appendPattern("XXX")
        .toFormatter();
    DATE_TIME_WITHOUT_TZ = new DateTimeFormatterBuilder()
        .appendPattern("yyyy-MM-dd'T'HH:mm:ss")
        .optionalStart()
        .appendFraction(ChronoField.NANO_OF_SECOND, 0, 9, true)
        .optionalEnd()
        .toFormatter();
  }

  private DateFormats() {
    // disable construction
  }
}