src/java.xml/share/classes/com/sun/org/apache/xerces/internal/jaxp/datatype/XMLGregorianCalendarImpl.java

*** 1,7 ****
  /*
!  * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2004, 2020, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 30,39 ****
--- 30,40 ----
  import java.io.ObjectInputStream;
  import java.io.Serializable;
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.math.RoundingMode;
+ import java.util.Arrays;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Locale;
  import java.util.TimeZone;
*** 188,198 ****
   * @author Kohsuke Kawaguchi
   * @author Joseph Fialli
   * @author Sunitha Reddy
   * @see javax.xml.datatype.Duration
   * @since 1.5
!  * @LastModified: June 2018
   */
  
  public class XMLGregorianCalendarImpl
          extends XMLGregorianCalendar
          implements Serializable, Cloneable {
--- 189,199 ----
   * @author Kohsuke Kawaguchi
   * @author Joseph Fialli
   * @author Sunitha Reddy
   * @see javax.xml.datatype.Duration
   * @since 1.5
!  * @LastModified: Aug 2020
   */
  
  public class XMLGregorianCalendarImpl
          extends XMLGregorianCalendar
          implements Serializable, Cloneable {
*** 1704,1729 ****
       * <p>Returns a hash code consistent with the definition of the equals method.</p>
       *
       * @return hash code of this object.
       */
      public int hashCode() {
! 
!         // Following two dates compare to EQUALS since in different timezones.
!         // 2000-01-15T12:00:00-05:00 == 2000-01-15T13:00:00-04:00
!         //
!         // Must ensure both instances generate same hashcode by normalizing
!         // this to UTC timezone.
!         int timezone = getTimezone();
!         if (timezone == DatatypeConstants.FIELD_UNDEFINED) {
!             timezone = 0;
!         }
!         XMLGregorianCalendar gc = this;
!         if (timezone != 0) {
!             gc = this.normalizeToTimezone(getTimezone());
!         }
!         return gc.getYear() + gc.getMonth() + gc.getDay() +
!                 gc.getHour() + gc.getMinute() + gc.getSecond();
      }
  
  
      /**
       * <p>Constructs a new XMLGregorianCalendar object by
--- 1705,1715 ----
       * <p>Returns a hash code consistent with the definition of the equals method.</p>
       *
       * @return hash code of this object.
       */
      public int hashCode() {
!         return super.hashCode();
      }
  
  
      /**
       * <p>Constructs a new XMLGregorianCalendar object by