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1   /*
2    * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.  Oracle designates this
8    * particular file as subject to the "Classpath" exception as provided
9    * by Oracle in the LICENSE file that accompanied this code.
10   *
11   * This code is distributed in the hope that it will be useful, but WITHOUT
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14   * version 2 for more details (a copy is included in the LICENSE file that
15   * accompanied this code).
16   *
17   * You should have received a copy of the GNU General Public License version
18   * 2 along with this work; if not, write to the Free Software Foundation,
19   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20   *
21   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22   * or visit www.oracle.com if you need additional information or have any
23   * questions.
24   */
25  
26  
27  package javax.print.attribute;
28  
29  import java.io.Serializable;
30  
31  /**
32   * Class HashDocAttributeSet provides an attribute set which
33   * inherits its implementation from class {@link HashAttributeSet
34   * HashAttributeSet} and enforces the semantic restrictions of interface {@link
35   * DocAttributeSet DocAttributeSet}.
36   * <P>
37   *
38   * @author  Alan Kaminsky
39   */
40  public class HashDocAttributeSet extends HashAttributeSet
41      implements DocAttributeSet, Serializable {
42  
43      private static final long serialVersionUID = -1128534486061432528L;
44  
45      /**
46       * Construct a new, empty hash doc attribute set.
47       */
48      public HashDocAttributeSet() {
49          super (DocAttribute.class);
50      }
51  
52      /**
53       * Construct a new hash doc attribute set,
54       * initially populated with the given value.
55       *
56       * @param  attribute  Attribute value to add to the set.
57       *
58       * @exception  NullPointerException
59       *     (unchecked exception) Thrown if <CODE>attribute</CODE> is null.
60       */
61      public HashDocAttributeSet(DocAttribute attribute) {
62          super (attribute, DocAttribute.class);
63      }
64  
65      /**
66       * Construct a new hash doc attribute set,
67       * initially populated with the values from the given array.
68       * The new attribute set is populated by
69       * adding the elements of <CODE>attributes</CODE> array to the set in
70       * sequence, starting at index 0. Thus, later array elements may replace
71       * earlier array elements if the array contains duplicate attribute
72       * values or attribute categories.
73       *
74       * @param  attributes  Array of attribute values to add to the set.
75       *                     If null, an empty attribute set is constructed.
76       *
77       * @exception  NullPointerException
78       *  (unchecked exception)
79       * Thrown if any element of <CODE>attributes</CODE> is null.
80       */
81      public HashDocAttributeSet(DocAttribute[] attributes) {
82          super (attributes, DocAttribute.class);
83      }
84  
85      /**
86       * Construct a new attribute set, initially populated with the
87       * values from the  given set where the members of the attribute set
88       * are restricted to the <code>DocAttribute</code> interface.
89       *
90       * @param  attributes set of attribute values to initialise the set. If
91       *                    null, an empty attribute set is constructed.
92       *
93       * @exception  ClassCastException
94       *     (unchecked exception) Thrown if any element of
95       * <CODE>attributes</CODE> is not an instance of
96       * <CODE>DocAttribute</CODE>.
97       */
98      public HashDocAttributeSet(DocAttributeSet attributes) {
99          super(attributes, DocAttribute.class);
100     }
101 
102 }