001 /* NumberFormatProvider.java -- Providers of localized instances 002 Copyright (C) 2007 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package java.text.spi; 039 040 import java.text.NumberFormat; 041 042 import java.util.Locale; 043 044 import java.util.spi.LocaleServiceProvider; 045 046 /** 047 * A {@link NumberFormatProvider} provides localized 048 * instances of {@link java.text.NumberFormat}. 049 * 050 * @author Andrew John Hughes (gnu_andrew@member.fsf.org) 051 * @since 1.6 052 */ 053 public abstract class NumberFormatProvider 054 extends LocaleServiceProvider 055 { 056 057 /** 058 * Constructs a new {@link NumberFormatProvider}. 059 * Provided for implicit invocation by subclasses. 060 */ 061 protected NumberFormatProvider() 062 { 063 } 064 065 /** 066 * Returns a {@link java.text.NumberFormat} instance 067 * for monetary values in the specified 068 * {@link java.util.Locale}. 069 * 070 * @param locale the desired locale. 071 * @return the localized instance for monetary values. 072 * @throws NullPointerException if the locale is null. 073 * @throws IllegalArgumentException if the locale is not one 074 * returned by 075 * {@link getAvailableLocales()} 076 * @see java.text.NumberFormat#getCurrencyInstance(java.util.Locale) 077 */ 078 public abstract NumberFormat getCurrencyInstance(Locale locale); 079 080 /** 081 * Returns a {@link java.text.NumberFormat} instance 082 * for integers in the specified {@link java.util.Locale}. 083 * The returned instance should be configured to round 084 * floating point numbers to the nearest integer using 085 * {@link java.math.RoundingMode#HALF_EVEN} rounding, 086 * and to parse only the integer part of a number. 087 * 088 * @param locale the desired locale. 089 * @return the localized instance for integers. 090 * @throws NullPointerException if the locale is null. 091 * @throws IllegalArgumentException if the locale is not one 092 * returned by 093 * {@link getAvailableLocales()} 094 * @see java.text.NumberFormat#getIntegerInstance(java.util.Locale) 095 * @see java.math.RoundingMode#HALF_EVEN 096 * @see java.text.NumberFormat#isParseIntegerOnly() 097 */ 098 public abstract NumberFormat getIntegerInstance(Locale locale); 099 100 /** 101 * Returns a general-purpose {@link java.text.NumberFormat} 102 * instance in the specified {@link java.util.Locale}. 103 * 104 * @param locale the desired locale. 105 * @return a general-purpose localized instance. 106 * @throws NullPointerException if the locale is null. 107 * @throws IllegalArgumentException if the locale is not one 108 * returned by 109 * {@link getAvailableLocales()} 110 * @see java.text.NumberFormat#getNumberInstance(java.util.Locale) 111 */ 112 public abstract NumberFormat getNumberInstance(Locale locale); 113 114 /** 115 * Returns a {@link java.text.NumberFormat} instance 116 * for percentage values in the specified 117 * {@link java.util.Locale}. 118 * 119 * @param locale the desired locale. 120 * @return the localized instance for percentage values. 121 * @throws NullPointerException if the locale is null. 122 * @throws IllegalArgumentException if the locale is not one 123 * returned by 124 * {@link getAvailableLocales()} 125 * @see java.text.NumberFormat#getPercentInstance(java.util.Locale) 126 */ 127 public abstract NumberFormat getPercentInstance(Locale locale); 128 129 }