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Java 1.8+ Library with tons of utility classes required in all projects
There is a newer version: 11.1.10
/*
 * Copyright (C) 2014-2022 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * 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.helger.commons.datetime;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.Year;
import java.time.YearMonth;
import java.time.ZonedDateTime;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalQuery;

import javax.annotation.Nonnull;

import com.helger.commons.ValueEnforcer;
import com.helger.commons.annotation.Nonempty;
import com.helger.commons.string.ToStringGenerator;

/**
 * Tuple with date time pattern string and query to parse into object.
 *
 * @author Philip Helger
 * @param 
 *        Temporal type to use.
 * @since 8.6.5
 */
public class PDTMask 
{
  private final String m_sPattern;
  private final TemporalQuery  m_aQuery;

  protected PDTMask (@Nonnull @Nonempty final String sPattern, @Nonnull final TemporalQuery  aQuery)
  {
    ValueEnforcer.notEmpty (sPattern, "Pattern");
    ValueEnforcer.notNull (aQuery, "Query");
    m_sPattern = sPattern;
    m_aQuery = aQuery;
  }

  @Nonnull
  @Nonempty
  public String getPattern ()
  {
    return m_sPattern;
  }

  @Nonnull
  public TemporalQuery  getQuery ()
  {
    return m_aQuery;
  }

  @Override
  public String toString ()
  {
    return new ToStringGenerator (this).append ("Pattern", m_sPattern).append ("Query", m_aQuery).getToString ();
  }

  @Nonnull
  public static PDTMask  zonedDateTime (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, ZonedDateTime::from);
  }

  @Nonnull
  public static PDTMask  offsetDateTime (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, OffsetDateTime::from);
  }

  @Nonnull
  public static PDTMask  xmlOffsetDateTime (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, XMLOffsetDateTime::from);
  }

  @Nonnull
  public static PDTMask  localDateTime (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, LocalDateTime::from);
  }

  @Nonnull
  public static PDTMask  offsetDate (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, OffsetDate::from);
  }

  @Nonnull
  public static PDTMask  xmlOffsetDate (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, XMLOffsetDate::from);
  }

  @Nonnull
  public static PDTMask  localDate (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, LocalDate::from);
  }

  @Nonnull
  public static PDTMask  yearMonth (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, YearMonth::from);
  }

  @Nonnull
  public static PDTMask  year (@Nonnull @Nonempty final String sPattern)
  {
    return new PDTMask <> (sPattern, Year::from);
  }
}