001/* NumberFormatProvider.java -- Providers of localized instances 002 Copyright (C) 2007 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038package java.text.spi; 039 040import java.text.NumberFormat; 041 042import java.util.Locale; 043 044import 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 */ 053public 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}