581 lines
15 KiB
Java
581 lines
15 KiB
Java
/* DecimalFormatSymbols.java -- Format symbols used by DecimalFormat
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Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.text;
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import java.io.Serializable;
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import java.util.Locale;
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import java.util.MissingResourceException;
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import java.util.ResourceBundle;
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import java.io.ObjectInputStream;
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import java.io.IOException;
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/**
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* This class is a container for the symbols used by
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* <code>DecimalFormat</code> to format numbers and currency. These are
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* normally handled automatically, but an application can override
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* values as desired using this class.
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*
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* @author Tom Tromey <tromey@cygnus.com>
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @date February 24, 1999
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*/
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/* Written using "Java Class Libraries", 2nd edition, plus online
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* API docs for JDK 1.2 from http://www.javasoft.com.
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* Status: Believed complete and correct to 1.2.
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*/
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public final class DecimalFormatSymbols implements Cloneable, Serializable
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{
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public Object clone ()
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{
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try
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{
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return super.clone ();
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}
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catch(CloneNotSupportedException e)
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{
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return null;
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}
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}
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/**
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* This method initializes a new instance of
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* <code>DecimalFormatSymbols</code> for the default locale.
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*/
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public DecimalFormatSymbols ()
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{
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this (Locale.getDefault());
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}
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private final String safeGetString (ResourceBundle bundle,
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String name, String def)
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{
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if (bundle != null)
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{
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try
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{
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return bundle.getString(name);
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}
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catch (MissingResourceException x)
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{
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}
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}
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return def;
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}
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private final char safeGetChar (ResourceBundle bundle,
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String name, char def)
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{
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String r = null;
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if (bundle != null)
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{
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try
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{
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r = bundle.getString(name);
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}
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catch (MissingResourceException x)
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{
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}
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}
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if (r == null || r.length() < 1)
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return def;
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return r.charAt(0);
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}
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/**
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* This method initializes a new instance of
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* <code>DecimalFormatSymbols</code> for the specified locale.
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*
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* @param locale The local to load symbols for.
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*/
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public DecimalFormatSymbols (Locale loc)
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{
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ResourceBundle res;
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try
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{
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res = ResourceBundle.getBundle("gnu.java.locale.LocaleInformation",
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loc);
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}
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catch (MissingResourceException x)
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{
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res = null;
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}
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currencySymbol = safeGetString (res, "currencySymbol", "$");
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decimalSeparator = safeGetChar (res, "decimalSeparator", '.');
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digit = safeGetChar (res, "digit", '#');
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exponential = safeGetChar (res, "exponential", 'E');
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groupingSeparator = safeGetChar (res, "groupingSeparator", ',');
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infinity = safeGetString (res, "infinity", "\u221e");
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// FIXME: default?
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intlCurrencySymbol = safeGetString (res, "intlCurrencySymbol", "$");
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try
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{
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monetarySeparator = safeGetChar (res, "monetarySeparator", '.');
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}
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catch (MissingResourceException x)
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{
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monetarySeparator = decimalSeparator;
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}
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minusSign = safeGetChar (res, "minusSign", '-');
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NaN = safeGetString (res, "NaN", "\ufffd");
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patternSeparator = safeGetChar (res, "patternSeparator", ';');
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percent = safeGetChar (res, "percent", '%');
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perMill = safeGetChar (res, "perMill", '\u2030');
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zeroDigit = safeGetChar (res, "zeroDigit", '0');
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}
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/**
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* This method this this object for equality against the specified object.
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* This will be true if and only if the following criteria are met with
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* regard to the specified object:
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* <p>
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* <ul>
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* <li>It is not <code>null</code>.
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* <li>It is an instance of <code>DecimalFormatSymbols</code>
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* <li>All of its symbols are identical to the symbols in this object.
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* </ul>
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*
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* @return <code>true</code> if the specified object is equal to this
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* object, <code>false</code> otherwise.
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*/
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public boolean equals (Object obj)
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{
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if (! (obj instanceof DecimalFormatSymbols))
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return false;
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DecimalFormatSymbols dfs = (DecimalFormatSymbols) obj;
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return (currencySymbol.equals(dfs.currencySymbol)
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&& decimalSeparator == dfs.decimalSeparator
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&& digit == dfs.digit
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&& exponential == dfs.exponential
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&& groupingSeparator == dfs.groupingSeparator
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&& infinity.equals(dfs.infinity)
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&& intlCurrencySymbol.equals(dfs.intlCurrencySymbol)
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&& minusSign == dfs.minusSign
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&& monetarySeparator == dfs.monetarySeparator
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&& NaN.equals(dfs.NaN)
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&& patternSeparator == dfs.patternSeparator
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&& percent == dfs.percent
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&& perMill == dfs.perMill
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&& zeroDigit == dfs.zeroDigit);
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}
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/**
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* This method returns the currency symbol in local format. For example,
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* "$" for Canadian dollars.
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*
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* @return The currency symbol in local format.
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*/
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public String getCurrencySymbol ()
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{
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return currencySymbol;
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}
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/**
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* This method returns the character used as the decimal point.
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*
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* @return The character used as the decimal point.
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*/
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public char getDecimalSeparator ()
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{
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return decimalSeparator;
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}
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/**
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* This method returns the character used to represent a digit in a
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* format pattern string.
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*
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* @return The character used to represent a digit in a format
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* pattern string.
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*/
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public char getDigit ()
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{
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return digit;
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}
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// This is our own extension.
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char getExponential ()
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{
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return exponential;
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}
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/**
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* This method sets the character used to separate groups of digits. For
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* example, the United States uses a comma (,) to separate thousands in
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* a number.
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*
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* @return The character used to separate groups of digits.
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*/
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public char getGroupingSeparator ()
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{
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return groupingSeparator;
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}
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/**
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* This method returns the character used to represent infinity.
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*
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* @return The character used to represent infinity.
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*/
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public String getInfinity ()
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{
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return infinity;
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}
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/**
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* This method returns the currency symbol in international format. For
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* example, "C$" for Canadian dollars.
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*
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* @return The currency symbol in international format.
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*/
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public String getInternationalCurrencySymbol ()
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{
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return intlCurrencySymbol;
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}
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/**
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* This method returns the character used to represent the minus sign.
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*
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* @return The character used to represent the minus sign.
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*/
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public char getMinusSign ()
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{
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return minusSign;
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}
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/**
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* This method returns the character used to represent the decimal
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* point for currency values.
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*
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* @return The decimal point character used in currency values.
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*/
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public char getMonetaryDecimalSeparator ()
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{
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return monetarySeparator;
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}
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/**
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* This method returns the string used to represent the NaN (not a number)
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* value.
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*
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* @return The string used to represent NaN
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*/
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public String getNaN ()
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{
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return NaN;
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}
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/**
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* This method returns the character used to separate positive and negative
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* subpatterns in a format pattern.
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*
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* @return The character used to separate positive and negative subpatterns
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* in a format pattern.
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*/
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public char getPatternSeparator ()
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{
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return patternSeparator;
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}
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/**
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* This method returns the character used as the percent sign.
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*
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* @return The character used as the percent sign.
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*/
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public char getPercent ()
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{
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return percent;
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}
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/**
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* This method returns the character used as the per mille character.
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*
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* @return The per mille character.
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*/
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public char getPerMill ()
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{
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return perMill;
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}
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/**
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* This method returns the character used to represent the digit zero.
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*
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* @return The character used to represent the digit zero.
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*/
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public char getZeroDigit ()
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{
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return zeroDigit;
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}
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/**
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* This method returns a hash value for this object.
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*
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* @return A hash value for this object.
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*/
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public int hashCode ()
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{
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// Compute based on zero digit, grouping separator, and decimal
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// separator -- JCL book. This probably isn't a very good hash
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// code.
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return zeroDigit << 16 + groupingSeparator << 8 + decimalSeparator;
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}
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/**
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* This method sets the currency symbol to the specified value.
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*
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* @param currencySymbol The new currency symbol
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*/
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public void setCurrencySymbol (String currency)
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{
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currencySymbol = currency;
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}
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/**
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* This method sets the decimal point character to the specified value.
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*
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* @param decimalSeparator The new decimal point character
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*/
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public void setDecimalSeparator (char decimalSep)
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{
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decimalSeparator = decimalSep;
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}
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/**
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* This method sets the character used to represents a digit in a format
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* string to the specified value.
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*
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* @param digit The character used to represent a digit in a format pattern.
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*/
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public void setDigit (char digit)
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{
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this.digit = digit;
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}
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// This is our own extension.
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void setExponential (char exp)
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{
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exponential = exp;
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}
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/**
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* This method sets the character used to separate groups of digits.
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*
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* @param groupingSeparator The character used to separate groups of digits.
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*/
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public void setGroupingSeparator (char groupSep)
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{
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groupingSeparator = groupSep;
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}
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/**
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* This method sets the string used to represents infinity.
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*
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* @param infinity The string used to represent infinity.
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*/
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public void setInfinity (String infinity)
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{
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this.infinity = infinity;
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}
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/**
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* This method sets the international currency symbols to the
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* specified value.
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*
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* @param intlCurrencySymbol The new international currency symbol.
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*/
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public void setInternationalCurrencySymbol (String currency)
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{
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intlCurrencySymbol = currency;
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}
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/**
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* This method sets the character used to represent the minus sign.
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*
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* @param minusSign The character used to represent the minus sign.
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*/
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public void setMinusSign (char minusSign)
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{
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this.minusSign = minusSign;
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}
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/**
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* This method sets the character used for the decimal point in currency
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* values.
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*
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* @param monetarySeparator The decimal point character used in
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* currency values.
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*/
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public void setMonetaryDecimalSeparator (char decimalSep)
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{
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monetarySeparator = decimalSep;
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}
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/**
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* This method sets the string used to represent the NaN (not a
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* number) value.
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*
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* @param NaN The string used to represent NaN
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*/
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public void setNaN (String nan)
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{
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NaN = nan;
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}
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/**
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* This method sets the character used to separate positive and negative
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* subpatterns in a format pattern.
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*
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* @param patternSeparator The character used to separate positive and
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* negative subpatterns in a format pattern.
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*/
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public void setPatternSeparator (char patternSep)
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{
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patternSeparator = patternSep;
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}
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/**
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* This method sets the character used as the percent sign.
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*
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* @param percent The character used as the percent sign.
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*/
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public void setPercent (char percent)
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{
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this.percent = percent;
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}
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/**
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* This method sets the character used as the per mille character.
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*
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* @param perMill The per mille character.
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*/
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public void setPerMill (char perMill)
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{
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this.perMill = perMill;
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}
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/**
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* This method sets the character used to represent the digit zero.
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*
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* @param zeroDigit The character used to represent the digit zero.
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*/
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public void setZeroDigit (char zeroDigit)
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{
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this.zeroDigit = zeroDigit;
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}
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/**
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* @serial A string used for the local currency
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*/
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private String currencySymbol;
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/**
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* @serial The <code>char</code> used to separate decimals in a number.
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*/
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private char decimalSeparator;
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/**
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* @serial This is the <code>char</code> used to represent a digit in
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* a format specification.
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*/
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private char digit;
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/**
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* @serial This is the <code>char</code> used to represent the exponent
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* separator in exponential notation.
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*/
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private char exponential;
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/**
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* @serial This separates groups of thousands in numbers.
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*/
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private char groupingSeparator;
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/**
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* @serial This string represents infinity.
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*/
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private String infinity;
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/**
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* @serial This string represents the local currency in an international
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* context, eg, "C$" for Canadian dollars.
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*/
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private String intlCurrencySymbol;
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/**
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* @serial This is the character used to represent the minus sign.
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*/
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private char minusSign;
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/**
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* @serial This character is used to separate decimals when formatting
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* currency values.
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*/
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private char monetarySeparator;
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/**
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* @serial This string is used the represent the Java NaN value for
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* "not a number".
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*/
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private String NaN;
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/**
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* @serial This is the character used to separate positive and negative
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* subpatterns in a format pattern.
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*/
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private char patternSeparator;
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/**
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* @serial This is the percent symbols
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*/
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private char percent;
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/**
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* @serial This character is used for the mille percent sign.
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*/
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private char perMill;
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/**
|
|
* @serial This value represents the type of object being de-serialized.
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* 0 indicates a pre-Java 1.1.6 version, 1 indicates 1.1.6 or later.
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*/
|
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private int serialVersionOnStream = 1;
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/**
|
|
* @serial This is the character used to represent 0.
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*/
|
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private char zeroDigit;
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private static final long serialVersionUID = 5772796243397350300L;
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|
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private void readObject(ObjectInputStream stream)
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throws IOException, ClassNotFoundException
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{
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stream.defaultReadObject();
|
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if (serialVersionOnStream < 1)
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|
{
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monetarySeparator = decimalSeparator;
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exponential = 'E';
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serialVersionOnStream = 1;
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}
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}
|
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}
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