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1: /* TextSyntax.java -- 2: Copyright (C) 2003, 2004 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: import java.io.Serializable; 41: import java.util.Locale; 42: 43: /** 44: * @author Michael Koch 45: */ 46: public abstract class TextSyntax implements Cloneable, Serializable 47: { 48: private static final long serialVersionUID = -8130648736378144102L; 49: 50: private String value; 51: private Locale locale; 52: 53: /** 54: * Creates a <code>TextSyntax</code> object with the given value 55: * and locale. 56: * 57: * @param value the value for this syntax 58: * @param locale the locale to use 59: * 60: * @exception NullPointerException if value and/or locale is null 61: */ 62: protected TextSyntax(String value, Locale locale) 63: { 64: if (value == null || locale == null) 65: throw new NullPointerException("value and/or locale may not be null"); 66: 67: this.value = value; 68: this.locale = locale; 69: } 70: 71: /** 72: * Returns the value of this syntax object. 73: * 74: * @return the value 75: */ 76: public String getValue() 77: { 78: return value; 79: } 80: 81: /** 82: * Returns the locale of this syntax object. 83: * 84: * @return the locale 85: */ 86: public Locale getLocale() 87: { 88: return locale; 89: } 90: 91: /** 92: * Returns the hashcode for this object. 93: * 94: * @return the hashcode 95: */ 96: public int hashCode() 97: { 98: return value.hashCode() ^ locale.hashCode(); 99: } 100: 101: /** 102: * Tests of obj is equal to this object. 103: * 104: * @param obj the object to test 105: * 106: * @return true if both objects are equal, false otherwise. 107: */ 108: public boolean equals(Object obj) 109: { 110: if (! (obj instanceof TextSyntax)) 111: return false; 112: 113: TextSyntax tmp = (TextSyntax) obj; 114: 115: return (value.equals(tmp.getValue()) 116: && locale.equals(tmp.getLocale())); 117: } 118: 119: /** 120: * Returns a string representing the object. 121: */ 122: public String toString() 123: { 124: return getValue(); 125: } 126: }