X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libjava%2Fjava%2Ftext%2FNumberFormat.java;fp=libjava%2Fjava%2Ftext%2FNumberFormat.java;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=272cdbddac829cae7ba0c4fbba5c3a409bc80ffc;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libjava/java/text/NumberFormat.java b/libjava/java/text/NumberFormat.java deleted file mode 100644 index 272cdbdd..00000000 --- a/libjava/java/text/NumberFormat.java +++ /dev/null @@ -1,606 +0,0 @@ -/* NumberFormat.java -- Formats and parses numbers - Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -02111-1307 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.text; - -import java.util.Locale; -import java.util.ResourceBundle; -import java.util.MissingResourceException; -import java.io.ObjectInputStream; -import java.io.ObjectOutputStream; -import java.io.IOException; - -/** - * This is the abstract superclass of all classes which format and - * parse numeric values such as decimal numbers, integers, currency values, - * and percentages. These classes perform their parsing and formatting - * in a locale specific manner, accounting for such items as differing - * currency symbols and thousands separators. - *
- * To create an instance of a concrete subclass of
- *
- * Since this method does not test much, it is highly advised that
- * concrete subclasses override this method.
- *
- * @param obj The NumberFormat
,
- * do not call a class constructor directly. Instead, use one of the
- * static factory methods in this class such as
- * getCurrencyInstance
.
- *
- * @author Tom Tromey FieldPosition
object
- * that will return the integer portion of a formatted number.
- */
- public static final int INTEGER_FIELD = 0;
-
- /**
- * This is a constant used to create a FieldPosition
object
- * that will return the fractional portion of a formatted number.
- */
- public static final int FRACTION_FIELD = 1;
-
- /**
- * This method is a specialization of the format method that performs
- * a simple formatting of the specified long
number.
- *
- * @param number The long
to format.
- *
- * @return The formatted number
- */
- public final String format (long number)
- {
- StringBuffer sbuf = new StringBuffer(50);
- format (number, sbuf, null);
- return sbuf.toString();
- }
-
- public final StringBuffer format (Object obj, StringBuffer sbuf,
- FieldPosition pos)
- {
- if (obj instanceof Number)
- return format(((Number) obj).doubleValue(), sbuf, pos);
- else
- throw new IllegalArgumentException
- ("Cannot format given Object as a Number");
- }
-
- /**
- * This method formats the specified double
and appends it to
- * a StringBuffer
.
- *
- * @param number The double
to format.
- * @param sb The StringBuffer
to append the formatted number to.
- * @param pos The desired FieldPosition
.
- *
- * @return The StringBuffer
with the appended number.
- */
- public abstract StringBuffer format (double number,
- StringBuffer sbuf, FieldPosition pos);
-
- /**
- * This method formats the specified long
and appends it to
- * a StringBuffer
.
- *
- * @param number The long
to format.
- * @param sb The StringBuffer
to append the formatted number to.
- * @param pos The desired FieldPosition
.
- *
- * @return The StringBuffer
with the appended number.
- */
- public abstract StringBuffer format (long number,
- StringBuffer sbuf, FieldPosition pos);
-
- /**
- * This method tests the specified object for equality against this object.
- * This will be true
if the following conditions are met:
- *
- *
- * null
.
- * NumberFormat
.
- * Object
to test against equality with
- * this object.
- *
- * @return true
if the specified object is equal to
- * this object, false
otherwise.
- */
- public boolean equals (Object obj)
- {
- if (! (obj instanceof NumberFormat))
- return false;
- NumberFormat nf = (NumberFormat) obj;
- return (groupingUsed == nf.groupingUsed
- && maximumFractionDigits == nf.maximumFractionDigits
- && maximumIntegerDigits == nf.maximumIntegerDigits
- && minimumFractionDigits == nf.minimumFractionDigits
- && minimumIntegerDigits == nf.minimumIntegerDigits
- && parseIntegerOnly == nf.parseIntegerOnly);
- }
-
- /**
- * This method returns a list of locales for which concrete instances
- * of NumberFormat
subclasses may be created.
- *
- * @return The list of available locales.
- */
- public static Locale[] getAvailableLocales ()
- {
- Locale[] list = new Locale[1];
- list[0] = Locale.US;
- return list;
- }
-
- private static final NumberFormat computeInstance (Locale loc,
- String resource,
- String def)
- {
- ResourceBundle res;
- try
- {
- res = ResourceBundle.getBundle("gnu.java.locale.LocaleInformation",
- loc);
- }
- catch (MissingResourceException x)
- {
- res = null;
- }
- String fmt;
- try
- {
- fmt = res == null ? def : res.getString(resource);
- }
- catch (MissingResourceException x)
- {
- fmt = def;
- }
- DecimalFormatSymbols dfs = new DecimalFormatSymbols (loc);
- return new DecimalFormat (fmt, dfs);
- }
-
- /**
- * This method returns an instance of NumberFormat
suitable
- * for formatting and parsing currency values in the default locale.
- *
- * @return An instance of NumberFormat
for handling currencies.
- */
- public static final NumberFormat getCurrencyInstance ()
- {
- return getCurrencyInstance (Locale.getDefault());
- }
-
- /**
- * This method returns an instance of NumberFormat
suitable
- * for formatting and parsing currency values in the specified locale.
- *
- * @return An instance of NumberFormat
for handling currencies.
- */
- public static NumberFormat getCurrencyInstance (Locale loc)
- {
- return computeInstance (loc, "currencyFormat", "$#,##0.00;($#,##0.00)");
- }
-
- /**
- * This method returns a default instance for the default locale. This
- * will be a concrete subclass of NumberFormat
, but the
- * actual class returned is dependent on the locale.
- *
- * @return An instance of the default NumberFormat
class.
- */
- public static final NumberFormat getInstance ()
- {
- return getInstance (Locale.getDefault());
- }
-
- /**
- * This method returns a default instance for the specified locale. This
- * will be a concrete subclass of NumberFormat
, but the
- * actual class returned is dependent on the locale.
- *
- * @param locale The desired locale.
- *
- * @return An instance of the default NumberFormat
class.
- */
- public static NumberFormat getInstance (Locale loc)
- {
- // For now always return a number instance.
- return getNumberInstance (loc);
- }
-
- /**
- * This method returns the maximum number of digits allowed in the fraction
- * portion of a number.
- *
- * @return The maximum number of digits allowed in the fraction
- * portion of a number.
- */
- public int getMaximumFractionDigits ()
- {
- return maximumFractionDigits;
- }
-
- /**
- * This method returns the maximum number of digits allowed in the integer
- * portion of a number.
- *
- * @return The maximum number of digits allowed in the integer
- * portion of a number.
- */
- public int getMaximumIntegerDigits ()
- {
- return maximumIntegerDigits;
- }
-
- /**
- * This method returns the minimum number of digits allowed in the fraction
- * portion of a number.
- *
- * @return The minimum number of digits allowed in the fraction
- * portion of a number.
- */
- public int getMinimumFractionDigits ()
- {
- return minimumFractionDigits;
- }
-
- /**
- * This method returns the minimum number of digits allowed in the integer
- * portion of a number.
- *
- * @return The minimum number of digits allowed in the integer
- * portion of a number.
- */
- public int getMinimumIntegerDigits ()
- {
- return minimumIntegerDigits;
- }
-
- /**
- * This method returns a default instance for the specified locale. This
- * will be a concrete subclass of NumberFormat
, but the
- * actual class returned is dependent on the locale.
- *
- * @param locale The desired locale.
- *
- * @return An instance of the default NumberFormat
class.
- */
- public static final NumberFormat getNumberInstance ()
- {
- return getNumberInstance (Locale.getDefault());
- }
-
- /**
- * This method returns a general purpose number formatting and parsing
- * class for the default locale. This will be a concrete subclass of
- * NumberFormat
, but the actual class returned is dependent
- * on the locale.
- *
- * @return An instance of a generic number formatter for the default locale.
- */
- public static NumberFormat getNumberInstance (Locale loc)
- {
- return computeInstance (loc, "numberFormat", "#,##0.###");
- }
-
- /**
- * This method returns an instance of NumberFormat
suitable
- * for formatting and parsing percentage values in the default locale.
- *
- * @return An instance of NumberFormat
for handling percentages.
- */
- public static final NumberFormat getPercentInstance ()
- {
- return getPercentInstance (Locale.getDefault());
- }
-
- /**
- * This method returns an instance of NumberFormat
suitable
- * for formatting and parsing percentage values in the specified locale.
- *
- * @param locale The desired locale.
- *
- * @return An instance of NumberFormat
for handling percentages.
- */
- public static NumberFormat getPercentInstance (Locale loc)
- {
- return computeInstance (loc, "percentFormat", "#,##0%");
- }
-
- /**
- * This method returns a hash value for this object.
- *
- * @return The hash code.
- */
- public int hashCode ()
- {
- int hash = super.hashCode();
- hash ^= (maximumFractionDigits + maximumIntegerDigits
- + minimumFractionDigits + minimumIntegerDigits);
- if (groupingUsed)
- hash ^= 0xf0f0;
- if (parseIntegerOnly)
- hash ^= 0x0f0f;
- return hash;
- }
-
- /**
- * This method tests whether or not grouping is in use. Grouping is
- * a method of marking separations in numbers, such as thousand separators
- * in the US English locale. The grouping positions and symbols are all
- * locale specific. As an example, with grouping disabled, the number one
- * million would appear as "1000000". With grouping enabled, this number
- * might appear as "1,000,000". (Both of these assume the US English
- * locale).
- *
- * @return true
if grouping is enabled,
- * false
otherwise.
- */
- public boolean isGroupingUsed ()
- {
- return groupingUsed;
- }
-
- /**
- * This method tests whether or not only integer values should be parsed.
- * If this class is parsing only integers, parsing stops at the decimal
- * point.
- *
- * @return true
if only integers are parsed,
- * false
otherwise.
- */
- public boolean isParseIntegerOnly ()
- {
- return parseIntegerOnly;
- }
-
- /**
- * This is a default constructor for use by subclasses.
- */
- public NumberFormat ()
- {
- }
-
- /**
- * This method parses the specified string into a Number
. This
- * will be a Long
if possible, otherwise it will be a
- * Double
. If no number can be parsed, no exception is
- * thrown. Instead, the parse position remains at its initial index.
- *
- * @param str The string to parse.
- * @param pp The desired ParsePosition
.
- *
- * @return The parsed Number
- */
- public abstract Number parse (String sourceStr, ParsePosition pos);
-
- /**
- * This method parses the specified string into a Number
. This
- * will be a Long
if possible, otherwise it will be a
- * Double
. If no number can be parsed, an exception will be
- * thrown.
- *
- * @param str The string to parse.
- *
- * @return The parsed Number
- *
- * @exception ParseException If no number can be parsed.
- */
- public Number parse (String sourceStr) throws ParseException
- {
- ParsePosition pp = new ParsePosition (0);
- Number r = parse (sourceStr, pp);
- if (r == null)
- {
- int index = pp.getErrorIndex();
- if (index < 0)
- index = pp.getIndex();
- throw new ParseException ("couldn't parse number", index);
- }
- return r;
- }
-
- /**
- * This method parses the specified string into an Object
. This
- * will be a Long
if possible, otherwise it will be a
- * Double
. If no number can be parsed, no exception is
- * thrown. Instead, the parse position remains at its initial index.
- *
- * @param str The string to parse.
- * @param pp The desired ParsePosition
.
- *
- * @return The parsed Object
- */
- public final Object parseObject (String sourceStr, ParsePosition pos)
- {
- return parse (sourceStr, pos);
- }
-
- /**
- * This method sets the grouping behavior of this formatter. Grouping is
- * a method of marking separations in numbers, such as thousand separators
- * in the US English locale. The grouping positions and symbols are all
- * locale specific. As an example, with grouping disabled, the number one
- * million would appear as "1000000". With grouping enabled, this number
- * might appear as "1,000,000". (Both of these assume the US English
- * locale).
- *
- * @param groupingUsed true
to enable grouping,
- * false
to disable it.
- */
- public void setGroupingUsed (boolean newValue)
- {
- groupingUsed = newValue;
- }
-
- /**
- * This method sets the maximum number of digits allowed in the fraction
- * portion of a number to the specified value. If this is less than the
- * current minimum allowed digits, the minimum allowed digits value will
- * be lowered to be equal to the new maximum allowed digits value.
- *
- * @param maximumFractionDigits The new maximum fraction digits value.
- */
- public void setMaximumFractionDigits (int newValue)
- {
- maximumFractionDigits = newValue;
- if (getMinimumFractionDigits () > maximumFractionDigits)
- setMinimumFractionDigits (maximumFractionDigits);
- }
-
- /**
- * This method sets the maximum number of digits allowed in the integer
- * portion of a number to the specified value. If this is less than the
- * current minimum allowed digits, the minimum allowed digits value will
- * be lowered to be equal to the new maximum allowed digits value.
- *
- * @param maximumIntegerDigits The new maximum integer digits value.
- */
- public void setMaximumIntegerDigits (int newValue)
- {
- maximumIntegerDigits = newValue;
- if (getMinimumIntegerDigits () > maximumIntegerDigits)
- setMinimumIntegerDigits (maximumIntegerDigits);
- }
-
- /**
- * This method sets the minimum number of digits allowed in the fraction
- * portion of a number to the specified value. If this is greater than the
- * current maximum allowed digits, the maximum allowed digits value will
- * be raised to be equal to the new minimum allowed digits value.
- *
- * @param minimumFractionDigits The new minimum fraction digits value.
- */
- public void setMinimumFractionDigits (int newValue)
- {
- minimumFractionDigits = newValue;
- if (getMaximumFractionDigits () < minimumFractionDigits)
- setMaximumFractionDigits (minimumFractionDigits);
- }
-
- /**
- * This method sets the minimum number of digits allowed in the integer
- * portion of a number to the specified value. If this is greater than the
- * current maximum allowed digits, the maximum allowed digits value will
- * be raised to be equal to the new minimum allowed digits value.
- *
- * @param minimumIntegerDigits The new minimum integer digits value.
- */
- public void setMinimumIntegerDigits (int newValue)
- {
- minimumIntegerDigits = newValue;
- if (getMaximumIntegerDigits () < minimumIntegerDigits)
- setMaximumIntegerDigits (minimumIntegerDigits);
- }
-
- /**
- * This method sets the parsing behavior of this object to parse only
- * integers or not.
- *
- * @param parseIntegerOnly true
to parse only integers,
- * false
otherwise.
- */
- public void setParseIntegerOnly (boolean value)
- {
- parseIntegerOnly = value;
- }
-
- /**
- * This method is a specialization of the format method that performs
- * a simple formatting of the specified double
number.
- *
- * @param number The double
to format.
- *
- * @return The formatted number
- */
- public final String format (double number)
- {
- StringBuffer sbuf = new StringBuffer(50);
- format (number, sbuf, null);
- return sbuf.toString();
- }
-
- // These field names are fixed by the serialization spec.
- boolean groupingUsed;
- int maximumFractionDigits;
- private byte maxFractionDigits;
- int maximumIntegerDigits;
- private byte maxIntegerDigits;
- int minimumFractionDigits;
- private byte minFractionDigits;
- int minimumIntegerDigits;
- private byte minIntegerDigits;
- boolean parseIntegerOnly;
- private int serialVersionOnStream;
- private static final long serialVersionUID = -2308460125733713944L;
-
- private void readObject(ObjectInputStream stream)
- throws IOException, ClassNotFoundException
- {
- stream.defaultReadObject();
- if (serialVersionOnStream < 1)
- {
- maximumFractionDigits = maxFractionDigits;
- maximumIntegerDigits = maxIntegerDigits;
- minimumFractionDigits = minFractionDigits;
- minimumIntegerDigits = minIntegerDigits;
- serialVersionOnStream = 1;
- }
- }
-
- private void writeObject(ObjectOutputStream stream) throws IOException
- {
- maxFractionDigits = maximumFractionDigits < Byte.MAX_VALUE ?
- (byte) maximumFractionDigits : Byte.MAX_VALUE;
- maxIntegerDigits = maximumIntegerDigits < Byte.MAX_VALUE ?
- (byte) maximumIntegerDigits : Byte.MAX_VALUE;
- minFractionDigits = minimumFractionDigits < Byte.MAX_VALUE ?
- (byte) minimumFractionDigits : Byte.MAX_VALUE;
- minIntegerDigits = minimumIntegerDigits < Byte.MAX_VALUE ?
- (byte) minimumIntegerDigits : Byte.MAX_VALUE;
- serialVersionOnStream = 1;
- stream.defaultWriteObject();
- }
-}