gcc/libjava/classpath/javax/print/attribute/standard/JobStateReasons.java

/* JobStateReasons.java --
   Copyright (C) 2004, 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

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package javax.print.attribute.standard;

import java.util.Collection;
import java.util.HashSet;
import javax.print.attribute.Attribute;
import javax.print.attribute.PrintJobAttribute;

/**
 * The <code>JobStateReasons</code> attribute provides the set of
 * additional informations available about the current state of a print job.
 * <p>
 * <b>IPP Compatibility:</b> JobStateReasons is an IPP 1.1 attribute.
 * </p>
 * @see javax.print.attribute.standard.JobState
 * @see javax.print.attribute.standard.JobStateReason
 *
 * @author Michael Koch (konqueror@gmx.de)
 * @author Wolfgang Baer (WBaer@gmx.de)
 */
public final class JobStateReasons extends HashSet<JobStateReason>
  implements PrintJobAttribute
{
  private static final long serialVersionUID = 8849088261264331812L;

  /**
   * Constructs an empty <code>JobStateReasons</code> attribute.
   */
  public JobStateReasons()
  {
    super();
  }

  /**
   * Constructs an empty <code>JobStateReasons</code> attribute
   * with the given initial capacity and load factor.
   *
   * @param initialCapacity the intial capacity.
   * @param loadFactor the load factor of the underlying HashSet.
   *
   * @throws IllegalArgumentException if initialCapacity &lt; 0
   * @throws IllegalArgumentException if initialCapacity or loadFactor &lt; 0
   */
  public JobStateReasons(int initialCapacity, float loadFactor)
  {
    super(initialCapacity, loadFactor);
  }

  /**
   * Constructs an empty <code>JobStateReasons</code> attribute
   * with the given initial capacity and the default load factor.
   *
   * @param initialCapacity the intial capacity.
   *
   * @throws IllegalArgumentException if initialCapacity &lt; 0
   */
  public JobStateReasons(int initialCapacity)
  {
    super(initialCapacity);
  }

  /**
   * Constructs a <code>JobStateReasons</code> attribute
   * with the content of the given collection.
   *
   * @param collection the collection for the initial values.
   *
   * @throws NullPointerException if collection or any value is
   * <code>null</code>.
   * @throws ClassCastException if values of collection are not of type
   * <code>JobStateReason</code>.
   */
  public JobStateReasons(Collection<JobStateReason> collection)
  {
    super(collection.size(), 0.75f);
    for (JobStateReason reason : collection)
      add(reason);
  }

  /**
   * Adds the given job state reason object to the set.
   *
   * @param o the reason of type <code>JobStateReason</code>.
   * @return <code>true</code> if set changed, <code>false</code> otherwise.
   *
   * @throws NullPointerException if given object is <code>null</code>.
   * @throws ClassCastException if given object is not an instance of
   * <code>JobStateReason</code>.
   */
  public boolean add(JobStateReason o)
  {
    if (o == null)
      throw new NullPointerException("reason is null");

    return super.add(o);
  }

  /**
   * Returns category of this class.
   *
   * @return The class <code>JobStateReasons</code> itself.
   */
  public Class< ? extends Attribute> getCategory()
  {
    return JobStateReasons.class;
  }

  /**
   * Returns the name of this attribute.
   *
   * @return The name "job-state-reasons".
   */
  public String getName()
  {
    return "job-state-reasons";
  }
}