1 /* 2 * Copyright (c) 2000, 2013, 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 /** 30 * Interface DocAttributeSet specifies the interface for a set of doc 31 * attributes, i.e. printing attributes that implement interface {@link 32 * DocAttribute DocAttribute}. In the Print Service API, the client uses a 33 * DocAttributeSet to specify the characteristics of an individual doc and 34 * the print job settings to be applied to an individual doc. 35 * <P> 36 * A DocAttributeSet is just an {@link AttributeSet AttributeSet} whose 37 * constructors and mutating operations guarantee an additional invariant, 38 * namely that all attribute values in the DocAttributeSet must be instances 39 * of interface {@link DocAttribute DocAttribute}. 40 * The {@link #add(Attribute) add(Attribute)}, and 41 * {@link #addAll(AttributeSet) addAll(AttributeSet)} operations 42 * are respecified below to guarantee this additional invariant. 43 * <P> 44 * 45 * @author Alan Kaminsky 46 */ 47 public interface DocAttributeSet extends AttributeSet { 48 49 50 /** 51 * Adds the specified attribute value to this attribute set if it is not 52 * already present, first removing any existing value in the same 53 * attribute category as the specified attribute value (optional 54 * operation). 55 * 56 * @param attribute Attribute value to be added to this attribute set. 57 * 58 * @return <tt>true</tt> if this attribute set changed as a result of 59 * the call, i.e., the given attribute value was not already a 60 * member of this attribute set. 61 * 62 * @throws UnmodifiableSetException 63 * (unchecked exception) Thrown if this attribute set does not 64 * support the <CODE>add()</CODE> operation. 65 * @throws ClassCastException 66 * (unchecked exception) Thrown if the <CODE>attribute</CODE> is 67 * not an instance of interface 68 * {@link DocAttribute DocAttribute}. 69 * @throws NullPointerException 70 * (unchecked exception) Thrown if the <CODE>attribute</CODE> is null. 71 */ 72 public boolean add(Attribute attribute); 73 74 /** 75 * Adds all of the elements in the specified set to this attribute. 76 * The outcome is the same as if the 77 * {@link #add(Attribute) add(Attribute)} 78 * operation had been applied to this attribute set successively with 79 * each element from the specified set. If none of the categories in the 80 * specified set are the same as any categories in this attribute set, 81 * the <tt>addAll()</tt> operation effectively modifies this attribute 82 * set so that its value is the <i>union</i> of the two sets. 83 * <P> 84 * The behavior of the <CODE>addAll()</CODE> operation is unspecified if 85 * the specified set is modified while the operation is in progress. 86 * <P> 87 * If the <CODE>addAll()</CODE> operation throws an exception, the effect 88 * on this attribute set's state is implementation dependent; elements 89 * from the specified set before the point of the exception may or 90 * may not have been added to this attribute set. 91 * 92 * @param attributes whose elements are to be added to this attribute 93 * set. 94 * 95 * @return <tt>true</tt> if this attribute set changed as a result of 96 * the call. 97 * 98 * @throws UnmodifiableSetException 99 * (Unchecked exception) Thrown if this attribute set does not 100 * support the <tt>addAll()</tt> method. 101 * @throws ClassCastException 102 * (Unchecked exception) Thrown if some element in the specified 103 * set is not an instance of interface {@link DocAttribute 104 * DocAttribute}. 105 * @throws NullPointerException 106 * (Unchecked exception) Thrown if the specified set is null. 107 * 108 * @see #add(Attribute) 109 */ 110 public boolean addAll(AttributeSet attributes); 111 }