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java.lang.Objectorg.apache.commons.math3.util.CompositeFormat
public class CompositeFormat
Base class for formatters of composite objects (complex numbers, vectors ...).
Constructor Summary | |
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private |
CompositeFormat()
Class contains only static methods. |
Method Summary | |
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static StringBuffer |
formatDouble(double value,
NumberFormat format,
StringBuffer toAppendTo,
FieldPosition pos)
Formats a double value to produce a string. |
static NumberFormat |
getDefaultNumberFormat()
Create a default number format. |
static NumberFormat |
getDefaultNumberFormat(Locale locale)
Create a default number format. |
static void |
parseAndIgnoreWhitespace(String source,
ParsePosition pos)
Parses source until a non-whitespace character is found. |
static boolean |
parseFixedstring(String source,
String expected,
ParsePosition pos)
Parse source for an expected fixed string. |
static char |
parseNextCharacter(String source,
ParsePosition pos)
Parses source until a non-whitespace character is found. |
private static Number |
parseNumber(String source,
double value,
ParsePosition pos)
Parses source for special double values. |
static Number |
parseNumber(String source,
NumberFormat format,
ParsePosition pos)
Parses source for a number. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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private CompositeFormat()
Method Detail |
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public static NumberFormat getDefaultNumberFormat()
NumberFormat.getInstance()
with the only customizing that the
maximum number of fraction digits is set to 2.
public static NumberFormat getDefaultNumberFormat(Locale locale)
NumberFormat.getInstance(java.util.Locale)
with the only
customizing that the maximum number of fraction digits is set to 2.
locale
- the specific locale used by the format.
public static void parseAndIgnoreWhitespace(String source, ParsePosition pos)
source
until a non-whitespace character is found.
source
- the string to parsepos
- input/ouput parsing parameter. On output, pos
holds the index of the next non-whitespace character.public static char parseNextCharacter(String source, ParsePosition pos)
source
until a non-whitespace character is found.
source
- the string to parsepos
- input/ouput parsing parameter.
private static Number parseNumber(String source, double value, ParsePosition pos)
source
for special double values. These values
include Double.NaN, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY.
source
- the string to parsevalue
- the special value to parse.pos
- input/ouput parsing parameter.
public static Number parseNumber(String source, NumberFormat format, ParsePosition pos)
source
for a number. This method can parse normal,
numeric values as well as special values. These special values include
Double.NaN, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY.
source
- the string to parseformat
- the number format used to parse normal, numeric values.pos
- input/ouput parsing parameter.
public static boolean parseFixedstring(String source, String expected, ParsePosition pos)
source
for an expected fixed string.
source
- the string to parseexpected
- expected stringpos
- input/ouput parsing parameter.
public static StringBuffer formatDouble(double value, NumberFormat format, StringBuffer toAppendTo, FieldPosition pos)
format
. There are
three exceptions to this:
value
- the double to format.format
- the format used.toAppendTo
- where the text is to be appendedpos
- On input: an alignment field, if desired. On output: the
offsets of the alignment field
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