001 /* JobStateReasons.java --
002 Copyright (C) 2004, 2005 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package javax.print.attribute.standard;
040
041 import java.util.Collection;
042 import java.util.HashSet;
043 import javax.print.attribute.Attribute;
044 import javax.print.attribute.PrintJobAttribute;
045
046 /**
047 * The <code>JobStateReasons</code> attribute provides the set of
048 * additional informations available about the current state of a print job.
049 * <p>
050 * <b>IPP Compatibility:</b> JobStateReasons is an IPP 1.1 attribute.
051 * </p>
052 * @see javax.print.attribute.standard.JobState
053 * @see javax.print.attribute.standard.JobStateReason
054 *
055 * @author Michael Koch (konqueror@gmx.de)
056 * @author Wolfgang Baer (WBaer@gmx.de)
057 */
058 public final class JobStateReasons extends HashSet<JobStateReason>
059 implements PrintJobAttribute
060 {
061 private static final long serialVersionUID = 8849088261264331812L;
062
063 /**
064 * Constructs an empty <code>JobStateReasons</code> attribute.
065 */
066 public JobStateReasons()
067 {
068 super();
069 }
070
071 /**
072 * Constructs an empty <code>JobStateReasons</code> attribute
073 * with the given initial capacity and load factor.
074 *
075 * @param initialCapacity the intial capacity.
076 * @param loadFactor the load factor of the underlying HashSet.
077 *
078 * @throws IllegalArgumentException if initialCapacity < 0
079 * @throws IllegalArgumentException if initialCapacity or loadFactor < 0
080 */
081 public JobStateReasons(int initialCapacity, float loadFactor)
082 {
083 super(initialCapacity, loadFactor);
084 }
085
086 /**
087 * Constructs an empty <code>JobStateReasons</code> attribute
088 * with the given initial capacity and the default load factor.
089 *
090 * @param initialCapacity the intial capacity.
091 *
092 * @throws IllegalArgumentException if initialCapacity < 0
093 */
094 public JobStateReasons(int initialCapacity)
095 {
096 super(initialCapacity);
097 }
098
099 /**
100 * Constructs a <code>JobStateReasons</code> attribute
101 * with the content of the given collection.
102 *
103 * @param collection the collection for the initial values.
104 *
105 * @throws NullPointerException if collection or any value is
106 * <code>null</code>.
107 * @throws ClassCastException if values of collection are not of type
108 * <code>JobStateReason</code>.
109 */
110 public JobStateReasons(Collection<JobStateReason> collection)
111 {
112 super(collection.size(), 0.75f);
113 for (JobStateReason reason : collection)
114 add(reason);
115 }
116
117 /**
118 * Adds the given job state reason object to the set.
119 *
120 * @param o the reason of type <code>JobStateReason</code>.
121 * @return <code>true</code> if set changed, <code>false</code> otherwise.
122 *
123 * @throws NullPointerException if given object is <code>null</code>.
124 * @throws ClassCastException if given object is not an instance of
125 * <code>JobStateReason</code>.
126 */
127 public boolean add(JobStateReason o)
128 {
129 if (o == null)
130 throw new NullPointerException("reason is null");
131
132 return super.add(o);
133 }
134
135 /**
136 * Returns category of this class.
137 *
138 * @return The class <code>JobStateReasons</code> itself.
139 */
140 public Class< ? extends Attribute> getCategory()
141 {
142 return JobStateReasons.class;
143 }
144
145 /**
146 * Returns the name of this attribute.
147 *
148 * @return The name "job-state-reasons".
149 */
150 public String getName()
151 {
152 return "job-state-reasons";
153 }
154 }