1 /*
2 * Copyright 2000-2003 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any 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 }
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