1: /* PrintRequestAttributeSet.java -- 2: Copyright (C) 2002, 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package javax.print.attribute; 39: 40: /** 41: * <code>PrintRequestAttributeSet</code> specifies an attribute set which only 42: * allows printing attributes of type 43: * {@link javax.print.attribute.PrintRequestAttribute}. 44: * <p> 45: * The methods {@link #add(Attribute)} and {@link #addAll(AttributeSet)} are 46: * respecified in this interface to indicate that only 47: * <code>PrintRequestAttribute</code> instances are allowed in this set. 48: * </p> 49: * 50: * @author Michael Koch (konqueror@gmx.de) 51: */ 52: public interface PrintRequestAttributeSet extends AttributeSet 53: { 54: /** 55: * Adds the specified attribute value to this attribute set 56: * if it is not already present. 57: * 58: * This operation removes any existing attribute of the same category 59: * before adding the given attribute. 60: * 61: * @param attribute the attribute to add. 62: * @return <code>true</code> if the set is changed, false otherwise. 63: * @throws ClassCastException if attribute is not of type 64: * <code>PrintRequestAttribute</code>. 65: * @throws NullPointerException if the attribute is <code>null</code>. 66: * @throws UnmodifiableSetException if the set does not support modification. 67: */ 68: boolean add (Attribute attribute); 69: 70: /** 71: * Adds all of the elements in the specified set to this attribute set. 72: * 73: * @param attributes the set of attributes to add. 74: * @return <code>true</code> if the set is changed, false otherwise. 75: * @throws ClassCastException if one of the attributes is not of type 76: * <code>PrintRequestAttribute</code>. 77: * @throws UnmodifiableSetException if the set does not support modification. 78: * 79: * @see #add(Attribute) 80: */ 81: boolean addAll (AttributeSet attributes); 82: }