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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.text

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

java.text .Format

java.text .NumberFormat

NumberFormat
abstract public class NumberFormat extends Format (Code)
	NumberFormat is the abstract superclass of Formats which format and parse Numbers.

Inner Class :public static class Field extends Format.Field

Field Summary
final public static int	FRACTION_FIELD Field constant.
final public static int	INTEGER_FIELD Field constant.

Constructor Summary
public	NumberFormat() Constructs a new instance of DateFormat.

Method Summary
public Object	clone() Answers a new NumberFormat with the same properties as this NumberFormat.
public boolean	equals(Object object) Compares the specified object to this NumberFormat and answer if they are equal.
final public String	format(double value) Formats the specified double using the rules of this NumberFormat.
abstract public StringBuffer	format(double value, StringBuffer buffer, FieldPosition field) Formats the double value into the specified StringBuffer using the rules of this NumberFormat.
final public String	format(long value) Formats the specified long using the rules of this NumberFormat.
abstract public StringBuffer	format(long value, StringBuffer buffer, FieldPosition field) Formats the long value into the specified StringBuffer using the rules of this NumberFormat.
public StringBuffer	format(Object object, StringBuffer buffer, FieldPosition field) Formats the specified object into the specified StringBuffer using the rules of this DateFormat.
public static Locale[]	getAvailableLocales() Gets the list of installed Locales which support NumberFormat.
public Currency	getCurrency() Answers the currency used by this number format This implementation throws UnsupportedOperationException, concrete sub classes should override if they support currency formatting.
final public static NumberFormat	getCurrencyInstance() Answers a NumberFormat for formatting and parsing currency for the default Locale.
public static NumberFormat	getCurrencyInstance(Locale locale) Answers a NumberFormat for formatting and parsing currency for the specified Locale.
final public static NumberFormat	getInstance() Answers a NumberFormat for formatting and parsing numbers for the default Locale.
public static NumberFormat	getInstance(Locale locale) Answers a NumberFormat for formatting and parsing numbers for the specified Locale.
final public static NumberFormat	getIntegerInstance() Answers a NumberFormat for formatting and parsing integers for the default Locale.
public static NumberFormat	getIntegerInstance(Locale locale) Answers a NumberFormat for formatting and parsing integers for the specified Locale.
public int	getMaximumFractionDigits() Answers the maximum number of fraction digits that are printed when formatting.
public int	getMaximumIntegerDigits() Answers the maximum number of integer digits that are printed when formatting.
public int	getMinimumFractionDigits() Answers the minimum number of fraction digits that are printed when formatting.
public int	getMinimumIntegerDigits() Answers the minimum number of integer digits that are printed when formatting.
final public static NumberFormat	getNumberInstance() Answers a NumberFormat for formatting and parsing numbers for the default Locale.
public static NumberFormat	getNumberInstance(Locale locale) Answers a NumberFormat for formatting and parsing numbers for the specified Locale.
final public static NumberFormat	getPercentInstance() Answers a NumberFormat for formatting and parsing percentages for the default Locale.
public static NumberFormat	getPercentInstance(Locale locale) Answers a NumberFormat for formatting and parsing percentages for the specified Locale.
public int	hashCode() Answers an integer hash code for the receiver.
public boolean	isGroupingUsed() Answers whether this NumberFormat formats and parses numbers using a grouping separator.
public boolean	isParseIntegerOnly() Answers whether this NumberFormat only parses integer numbers.
public Number	parse(String string) Parse a Number from the specified String using the rules of this NumberFormat.
abstract public Number	parse(String string, ParsePosition position) Parse a Number from the specified String starting at the index specified by the ParsePosition.
final public Object	parseObject(String string, ParsePosition position) Parse a Number from the specified String starting at the index specified by the ParsePosition.
public void	setCurrency(Currency currency) Sets the currency used by this number format when formatting currency values.
public void	setGroupingUsed(boolean value) Sets whether this NumberFormat formats and parses numbers using a grouping separator.
public void	setMaximumFractionDigits(int value) Sets the maximum number of fraction digits that are printed when formatting.
public void	setMaximumIntegerDigits(int value) Used to specify the new maximum count of integer digits that are printed when formatting.
public void	setMinimumFractionDigits(int value) Sets the minimum number of fraction digits that are printed when formatting.
public void	setMinimumIntegerDigits(int value) Sets the minimum number of integer digits that are printed when formatting.
public void	setParseIntegerOnly(boolean value) Specifies if this NumberFormat should only parse numbers as integers or else as any kind of number.

Field Detail

FRACTION_FIELD
final public static int FRACTION_FIELD(Code)
	Field constant.

INTEGER_FIELD
final public static int INTEGER_FIELD(Code)
	Field constant.

Constructor Detail

NumberFormat
public NumberFormat()(Code)
	Constructs a new instance of DateFormat.

Method Detail

clone
public Object clone()(Code)
	Answers a new NumberFormat with the same properties as this NumberFormat. a shallow copy of this NumberFormat See Also: java.lang.Cloneable

equals
public boolean equals(Object object)(Code)
	Compares the specified object to this NumberFormat and answer if they are equal. The object must be an instance of NumberFormat and have the same properties. Parameters: object - the object to compare with this object true if the specified object is equal to this NumberFormat, falseotherwise See Also: NumberFormat.hashCode

format
final public String format(double value)(Code)
	Formats the specified double using the rules of this NumberFormat. Parameters: value - the double to format the formatted String

format
abstract public StringBuffer format(double value, StringBuffer buffer, FieldPosition field)(Code)
	Formats the double value into the specified StringBuffer using the rules of this NumberFormat. If the field specified by the FieldPosition is formatted, set the begin and end index of the formatted field in the FieldPosition. Parameters: value - the double to format Parameters: buffer - the StringBuffer Parameters: field - the FieldPosition the StringBuffer parameter `buffer`

format
final public String format(long value)(Code)
	Formats the specified long using the rules of this NumberFormat. Parameters: value - the long to format the formatted String

format
abstract public StringBuffer format(long value, StringBuffer buffer, FieldPosition field)(Code)
	Formats the long value into the specified StringBuffer using the rules of this NumberFormat. If the field specified by the FieldPosition is formatted, set the begin and end index of the formatted field in the FieldPosition. Parameters: value - the long to format Parameters: buffer - the StringBuffer Parameters: field - the FieldPosition the StringBuffer parameter `buffer`

format
public StringBuffer format(Object object, StringBuffer buffer, FieldPosition field)(Code)
	Formats the specified object into the specified StringBuffer using the rules of this DateFormat. If the field specified by the FieldPosition is formatted, set the begin and end index of the formatted field in the FieldPosition. Parameters: object - the object to format, must be a Number Parameters: buffer - the StringBuffer Parameters: field - the FieldPosition the StringBuffer parameter `buffer` exception: IllegalArgumentException - when the object is not a Number

getAvailableLocales
public static Locale[] getAvailableLocales()(Code)
	Gets the list of installed Locales which support NumberFormat. an array of Locale

getCurrency

public Currency getCurrency()(Code)

Answers the currency used by this number format

This implementation throws UnsupportedOperationException, concrete sub classes should override if they support currency formatting.

currency currency that was set in getInstance() or insetCurrency(), or null
throws:
java.lang.UnsupportedOperationException -

getCurrencyInstance
final public static NumberFormat getCurrencyInstance()(Code)
	Answers a NumberFormat for formatting and parsing currency for the default Locale. a NumberFormat

getCurrencyInstance
public static NumberFormat getCurrencyInstance(Locale locale)(Code)
	Answers a NumberFormat for formatting and parsing currency for the specified Locale. Parameters: locale - the Locale a NumberFormat

getInstance
final public static NumberFormat getInstance()(Code)
	Answers a NumberFormat for formatting and parsing numbers for the default Locale. a NumberFormat

getInstance
public static NumberFormat getInstance(Locale locale)(Code)
	Answers a NumberFormat for formatting and parsing numbers for the specified Locale. Parameters: locale - the Locale a NumberFormat

getIntegerInstance
final public static NumberFormat getIntegerInstance()(Code)
	Answers a NumberFormat for formatting and parsing integers for the default Locale. a NumberFormat

getIntegerInstance
public static NumberFormat getIntegerInstance(Locale locale)(Code)
	Answers a NumberFormat for formatting and parsing integers for the specified Locale. Parameters: locale - the Locale a NumberFormat

getMaximumFractionDigits
public int getMaximumFractionDigits()(Code)
	Answers the maximum number of fraction digits that are printed when formatting. If the maximum is less than the number of fraction digits, the least significant digits are truncated. the maximum number of fraction digits

getMaximumIntegerDigits
public int getMaximumIntegerDigits()(Code)
	Answers the maximum number of integer digits that are printed when formatting. If the maximum is less than the number of integer digits, the most significant digits are truncated. the maximum number of integer digits

getMinimumFractionDigits
public int getMinimumFractionDigits()(Code)
	Answers the minimum number of fraction digits that are printed when formatting. the minimum number of fraction digits

getMinimumIntegerDigits
public int getMinimumIntegerDigits()(Code)
	Answers the minimum number of integer digits that are printed when formatting. the minimum number of integer digits

getNumberInstance
final public static NumberFormat getNumberInstance()(Code)
	Answers a NumberFormat for formatting and parsing numbers for the default Locale. a NumberFormat

getNumberInstance
public static NumberFormat getNumberInstance(Locale locale)(Code)
	Answers a NumberFormat for formatting and parsing numbers for the specified Locale. Parameters: locale - the Locale a NumberFormat

getPercentInstance
final public static NumberFormat getPercentInstance()(Code)
	Answers a NumberFormat for formatting and parsing percentages for the default Locale. a NumberFormat

getPercentInstance
public static NumberFormat getPercentInstance(Locale locale)(Code)
	Answers a NumberFormat for formatting and parsing percentages for the specified Locale. Parameters: locale - the Locale a NumberFormat

hashCode
public int hashCode()(Code)
	Answers an integer hash code for the receiver. Objects which are equal answer the same value for this method. the receiver's hash See Also: NumberFormat.equals

isGroupingUsed
public boolean isGroupingUsed()(Code)
	Answers whether this NumberFormat formats and parses numbers using a grouping separator. true when a grouping separator is used, false otherwise

isParseIntegerOnly
public boolean isParseIntegerOnly()(Code)
	Answers whether this NumberFormat only parses integer numbers. Parsing stops if a decimal separator is encountered. true if this NumberFormat only parses integers, false for parsingintegers or fractions

parse
public Number parse(String string) throws ParseException(Code)
	Parse a Number from the specified String using the rules of this NumberFormat. Parameters: string - the String to parse the Number resulting from the parse exception: ParseException - when an error occurs during parsing

parse
abstract public Number parse(String string, ParsePosition position)(Code)
	Parse a Number from the specified String starting at the index specified by the ParsePosition. If the string is successfully parsed, the index of the ParsePosition is updated to the index following the parsed text. Parameters: string - the String to parse Parameters: position - the ParsePosition, updated on return with the index followingthe parsed text, or on error the index is unchanged and theerror index is set to the index where the error occurred the Number resulting from the parse, or null if there is an error

parseObject
final public Object parseObject(String string, ParsePosition position)(Code)
	Parse a Number from the specified String starting at the index specified by the ParsePosition. If the string is successfully parsed, the index of the ParsePosition is updated to the index following the parsed text. Parameters: string - the String to parse Parameters: position - the ParsePosition, updated on return with the index followingthe parsed text, or on error the index is unchanged and theerror index is set to the index where the error occurred the Number resulting from the parse, or null if there is an error

setCurrency

public void setCurrency(Currency currency)(Code)

Sets the currency used by this number format when formatting currency values.

The min and max fraction digits remain the same.

This implementation throws UnsupportedOperationException, concrete sub classes should override if they support currency formatting.

Parameters:
currency - the new Currency
throws:
java.lang.UnsupportedOperationException -

setGroupingUsed
public void setGroupingUsed(boolean value)(Code)
	Sets whether this NumberFormat formats and parses numbers using a grouping separator. Parameters: value - true when a grouping separator is used, false otherwise

setMaximumFractionDigits
public void setMaximumFractionDigits(int value)(Code)
	Sets the maximum number of fraction digits that are printed when formatting. If the maximum is less than the number of fraction digits, the least significant digits are truncated. Parameters: value - the maximum number of fraction digits

setMaximumIntegerDigits
public void setMaximumIntegerDigits(int value)(Code)
	Used to specify the new maximum count of integer digits that are printed when formatting. If the maximum is less than the number of integer digits, the most significant digits are truncated. Parameters: value - the new maximum number of integer numerals for display

setMinimumFractionDigits
public void setMinimumFractionDigits(int value)(Code)
	Sets the minimum number of fraction digits that are printed when formatting. Parameters: value - the minimum number of fraction digits

setMinimumIntegerDigits
public void setMinimumIntegerDigits(int value)(Code)
	Sets the minimum number of integer digits that are printed when formatting. Parameters: value - the minimum number of integer digits

setParseIntegerOnly
public void setParseIntegerOnly(boolean value)(Code)
	Specifies if this NumberFormat should only parse numbers as integers or else as any kind of number. If this is called with a `true` value then subsequent parsing attempts will stop if a decimal separator is encountered. Parameters: value - `true` to only parse integers, `false`to parse integers and fractions

Methods inherited from java.text.Format

public Object clone()(Code)(Java Doc)
String convertPattern(String template, String fromChars, String toChars, boolean check)(Code)(Java Doc)
final public String format(Object object)(Code)(Java Doc)
abstract public StringBuffer format(Object object, StringBuffer buffer, FieldPosition field)(Code)(Java Doc)
public AttributedCharacterIterator formatToCharacterIterator(Object object)(Code)(Java Doc)
static Object getInternalField(String fieldName, Object target)(Code)(Java Doc)
public Object parseObject(String string) throws ParseException(Code)(Java Doc)
abstract public Object parseObject(String string, ParsePosition position)(Code)(Java Doc)
static boolean upTo(String string, ParsePosition position, StringBuffer buffer, char stop)(Code)(Java Doc)
static boolean upToWithQuotes(String string, ParsePosition position, StringBuffer buffer, char stop, char start)(Code)(Java Doc)

Methods inherited from java.lang.Object

protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object object)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final public Class<? extends Object> getClass()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
final public void notify()(Code)(Java Doc)
final public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait(long millis) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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