/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
/*
** $Id: NumberFormat.java,v 1.1.1.1 2004/07/12 14:07:47 cvs Exp $
*/
package java.text;
import java.util.Locale;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public abstract class NumberFormat extends Format implements Cloneable {
public static final int FRACTION_FIELD = 1;
public static final int INTEGER_FIELD = 0;
public static Locale[] getAvailableLocales() {
return new Locale[0];
}
public static final NumberFormat getCurrencyInstance() {
return getCurrencyInstance(Locale.getDefault());
}
public static NumberFormat getCurrencyInstance(Locale loc) {
DecimalFormatSymbols dfs = new DecimalFormatSymbols(loc);
DecimalFormat df = new DecimalFormat(dfs);
dfs.setDecimalSeparator(dfs.getMonetaryDecimalSeparator());
df.setNegativeSuffix(")");
String cur = dfs.getCurrencySymbol();
df.setPositivePrefix(cur);
df.setNegativePrefix("("+cur);
NumberFormat nf = df;
nf.minimumIntegerDigits = 1;
nf.maximumIntegerDigits = 340;
nf.maximumFractionDigits = 2;
nf.minimumFractionDigits = 2;
nf.groupingUsed = true;
return df;
}
public static final NumberFormat getInstance() {
return getInstance(Locale.getDefault());
}
public static NumberFormat getInstance(Locale loc){
DecimalFormatSymbols dfs = new DecimalFormatSymbols(loc);
NumberFormat nf = new DecimalFormat(dfs);
nf.minimumIntegerDigits = 1;
nf.maximumIntegerDigits = 340;
nf.maximumFractionDigits = 3;
nf.minimumFractionDigits = 0;
//nf.groupingUsed = true;
return nf;
}
public static final NumberFormat getNumberInstance() {
return getInstance(Locale.getDefault());
}
public static NumberFormat getNumberInstance(Locale loc){
return getInstance(loc);
}
public static final NumberFormat getPercentInstance() {
return getPercentInstance(Locale.getDefault());
}
public static NumberFormat getPercentInstance(Locale loc){
DecimalFormatSymbols dfs = new DecimalFormatSymbols(loc);
DecimalFormat df = new DecimalFormat(dfs);
df.setMultiplier(100);
String per = ""+dfs.getPercent();
df.setPositiveSuffix(per);
df.setNegativeSuffix(per);
df.setDecimalSeparatorAlwaysShown(false);
NumberFormat nf = df;
nf.minimumIntegerDigits = 1;
nf.maximumIntegerDigits = 340;
nf.minimumFractionDigits = 0;
nf.maximumFractionDigits = 0;
nf.groupingUsed = true;
nf.parseIntegerOnly =true;
return df;
}
private static final long serialVersionUID = -2308460125733713944L;
//dictated by serialized form ...
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
in.defaultReadObject();
if(serialVersionOnStream < 1){
serialVersionOnStream = 1;
maximumFractionDigits = maxFractionDigits;
maximumIntegerDigits = maxIntegerDigits;
minimumFractionDigits = minFractionDigits;
minimumIntegerDigits = minIntegerDigits;
}
}
private void writeObject(ObjectOutputStream out) throws IOException {
int max = Byte.MAX_VALUE;
maxFractionDigits = (byte)(maximumFractionDigits > max ? max : maximumFractionDigits);
maxIntegerDigits = (byte)(maximumIntegerDigits > max ? max : maximumIntegerDigits);
minFractionDigits = (byte)(minimumFractionDigits > max ? max : minimumFractionDigits);
minIntegerDigits = (byte)(minimumIntegerDigits > max ? max : minimumIntegerDigits);
out.defaultWriteObject();
}
private boolean groupingUsed;
private byte maxFractionDigits;
int maximumFractionDigits;
int maximumIntegerDigits;
private byte maxIntegerDigits;
private byte minFractionDigits;
int minimumFractionDigits;
int minimumIntegerDigits;
private byte minIntegerDigits;
private boolean parseIntegerOnly;
private int serialVersionOnStream = 1;
public NumberFormat() { }
public abstract StringBuffer format(double number, StringBuffer buf, FieldPosition pos);
public abstract StringBuffer format(long number, StringBuffer buf, FieldPosition pos);
public abstract Number parse(String s, ParsePosition pos);
public Object clone() {
return super.clone();
}
public boolean equals(Object obj) {
if (!(obj instanceof NumberFormat)){
return false;
}
NumberFormat nf = (NumberFormat)obj;
return this.groupingUsed == nf.groupingUsed
&& this.parseIntegerOnly == nf.parseIntegerOnly
&& this.maximumFractionDigits == nf.maximumFractionDigits
&& this.maximumIntegerDigits == nf.maximumIntegerDigits
&& this.minimumFractionDigits == nf.minimumFractionDigits
&& this.minimumIntegerDigits == nf.minimumIntegerDigits;
}
public final String format(double number) {
return format(number, new StringBuffer(), new FieldPosition(FRACTION_FIELD)).toString();
}
public final String format(long number) {
return format(number, new StringBuffer(), new FieldPosition(INTEGER_FIELD)).toString();
}
public final StringBuffer format(Object number, StringBuffer buf, FieldPosition pos){
if(number instanceof Long){
return format(((Long)number).longValue(), buf, pos);
}
else if (number instanceof Double){
return format(((Double)number).doubleValue(), buf, pos);
}
else if(number instanceof Number){
return format(((Number)number).doubleValue(), buf, pos);
}
throw new IllegalArgumentException("Got Bad Class : " + number.getClass());
}
public int getMaximumFractionDigits(){
return maximumFractionDigits;
}
public int getMaximumIntegerDigits(){
return maximumIntegerDigits;
}
public int getMinimumFractionDigits(){
return minimumFractionDigits;
}
public int getMinimumIntegerDigits(){
return minimumIntegerDigits;
}
public int hashCode(){
int hash = (groupingUsed ? 0xffff0000 : 0);
hash ^= (parseIntegerOnly ? 0x0ffff : 0);
return hash ^ maximumFractionDigits ^ maximumIntegerDigits ^ minimumFractionDigits ^ minimumIntegerDigits;
}
public boolean isGroupingUsed(){
return groupingUsed;
}
public boolean isParseIntegerOnly(){
return parseIntegerOnly;
}
public Number parse(String s) throws ParseException {
ParsePosition pos = new ParsePosition(0);
Number n = parse(s, pos);
if(n == null){
throw new ParseException("error during parsing",pos.getErrorIndex());
}
return n;
}
public final Object parseObject(String srcStr, ParsePosition pos){
return parse(srcStr,pos);
}
public void setGroupingUsed(boolean use){
groupingUsed = use;
}
public void setParseIntegerOnly(boolean only){
parseIntegerOnly = only;
}
public void setMaximumFractionDigits(int val){
if(val < 0){
val = 0;
}
if(val < minimumFractionDigits){
minimumFractionDigits = val;
}
maximumFractionDigits = val;
}
public void setMaximumIntegerDigits(int val){
if(val < 0){
val = 0;
}
if(val < minimumIntegerDigits){
minimumIntegerDigits = val;
}
maximumIntegerDigits = val;
}
public void setMinimumFractionDigits(int val){
if(val < 0){
minimumFractionDigits = 0;
}
else {
if (val > maximumFractionDigits){
maximumFractionDigits = val;
}
minimumFractionDigits = val;
}
}
public void setMinimumIntegerDigits(int val){
if(val < 0){
minimumIntegerDigits = 0;
}
else {
if(val > maximumIntegerDigits){
maximumIntegerDigits = val;
}
minimumIntegerDigits = val;
}
}
}