1 /*
2 * Copyright 2000-2001 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 /**
30 * Interface PrintRequestAttributeSet specifies the interface for a set of
31 * print request attributes, i.e. printing attributes that implement interface
32 * {@link PrintRequestAttribute PrintRequestAttribute}.
33 * The client uses a PrintRequestAttributeSet to specify the settings to be
34 * applied to a whole print job and to all the docs in the print job.
35 * <P>
36 * PrintRequestAttributeSet is just an {@link AttributeSet AttributeSet} whose
37 * constructors and mutating operations guarantee an additional invariant,
38 * namely that all attribute values in the PrintRequestAttributeSet must be
39 * instances of interface {@link PrintRequestAttribute PrintRequestAttribute}.
40 * The {@link #add(Attribute) <CODE>add(Attribute)</CODE>}, and
41 * {@link #addAll(AttributeSet) <CODE>addAll(AttributeSet)</CODE>} operations
42 * are respecified below to guarantee this additional invariant.
43 * <P>
44 *
45 * @author Alan Kaminsky
46 */
47 public interface PrintRequestAttributeSet extends AttributeSet {
48
49 /**
50 * Adds the specified attribute value to this attribute set if it is not
51 * already present, first removing any existing value in the same
52 * attribute category as the specified attribute value (optional
53 * operation).
54 *
55 * @param attribute Attribute value to be added to this attribute set.
56 *
57 * @return <tt>true</tt> if this attribute set changed as a result of
58 * the call, i.e., the given attribute value was not already a
59 * member of this attribute set.
60 *
61 * @throws UnmodifiableSetException
62 * (unchecked exception) Thrown if this attribute set does not
63 * support the <CODE>add()</CODE> operation.
64 * @throws ClassCastException
65 * (unchecked exception) Thrown if the <CODE>attribute</CODE> is
66 * not an instance of interface
67 * {@link PrintRequestAttribute PrintRequestAttribute}.
68 * @throws NullPointerException
69 * (unchecked exception) Thrown if the <CODE>attribute</CODE> is null.
70 */
71 public boolean add(Attribute attribute);
72
73 /**
74 * Adds all of the elements in the specified set to this attribute.
75 * The outcome is the same as if the
76 * {@link #add(Attribute) <CODE>add(Attribute)</CODE>}
77 * operation had been applied to this attribute set successively with
78 * each element from the specified set. If none of the categories in the
79 * specified set are the same as any categories in this attribute set,
80 * the <tt>addAll()</tt> operation effectively modifies this attribute
81 * set so that its value is the <i>union</i> of the two sets.
82 * <P>
83 * The behavior of the <CODE>addAll()</CODE> operation is unspecified if
84 * the specified set is modified while the operation is in progress.
85 * <P>
86 * If the <CODE>addAll()</CODE> operation throws an exception, the effect
87 * on this attribute set's state is implementation dependent; elements
88 * from the specified set before the point of the exception may or
89 * may not have been added to this attribute set.
90 *
91 * @param attributes whose elements are to be added to this attribute
92 * set.
93 *
94 * @return <tt>true</tt> if this attribute set changed as a result of
95 * the call.
96 *
97 * @throws UnmodifiableSetException
98 * (Unchecked exception) Thrown if this attribute set does not
99 * support the <tt>addAll()</tt> method.
100 * @throws ClassCastException
101 * (Unchecked exception) Thrown if some element in the specified
102 * set is not an instance of interface {@link PrintRequestAttribute
103 * PrintRequestAttribute}.
104 * @throws NullPointerException
105 * (Unchecked exception) Thrown if the specified set is null.
106 *
107 * @see #add(Attribute)
108 */
109 public boolean addAll(AttributeSet attributes);
110
111 }
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