llvm-gcc-4.0/libjava/javax/print/attribute/DateTimeSyntax.java

/* DateTimeSyntax.java -- 
   Copyright (C) 2003 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package javax.print.attribute;

import java.io.Serializable;
import java.util.Date;

/**
 * @author Michael Koch
 */
public abstract class DateTimeSyntax implements Cloneable, Serializable
{
  private static final long serialVersionUID = -1400819079791208582L;
  
  private Date value;
  
  /**
   * Creates a <code>DateTimeSyntax</code> with a given value.
   *
   * @param value the value for this syntax
   *
   * @exception NullPointerException if value is null
   */
  protected DateTimeSyntax(Date value)
  {
    if (value == null)
      throw new NullPointerException("value may not be null");

    this.value = value;
  }

  /**
   * Returns the date value of this object.
   *
   * @return the date value
   */
  public Date getValue()
  {
    return value;
  }

  /**
   * Tests if the given object is equal to this one.
   * 
   * @param obj the object to test
   *
   * @return True if both objects are equal, false otherwise.
   */
  public boolean equals(Object obj)
  {
    if (! (obj instanceof DateTimeSyntax))
      return false;

    return value.equals(((DateTimeSyntax) obj).getValue());
  }

  /**
   * Returns the hashcode for this object.
   *
   * @return the hashcode
   */
  public int hashCode()
  {
    return value.hashCode();
  }
}