com.jn.langx.util.jodatime.format

类 FormatUtils

java.lang.Object

com.jn.langx.util.jodatime.format.FormatUtils

public class FormatUtils
extends Object

Utility methods used by formatters.

FormatUtils is thread-safe and immutable.

从以下版本开始:

1.0

作者:

Brian S O'Neill

方法概要

限定符和类型	方法和说明
static void	appendPaddedInteger(StringBuffer buf, int value, int size) Converts an integer to a string, prepended with a variable amount of '0' pad characters, and appends it to the given buffer.
static void	appendPaddedInteger(StringBuffer buf, long value, int size) Converts an integer to a string, prepended with a variable amount of '0' pad characters, and appends it to the given buffer.
static void	appendUnpaddedInteger(StringBuffer buf, int value) Converts an integer to a string, and appends it to the given buffer.
static void	appendUnpaddedInteger(StringBuffer buf, long value) Converts an integer to a string, and appends it to the given buffer.
static int	calculateDigitCount(long value) Calculates the number of decimal digits for the given value, including the sign.
static void	writePaddedInteger(Writer out, int value, int size) Converts an integer to a string, prepended with a variable amount of '0' pad characters, and writes it to the given writer.
static void	writePaddedInteger(Writer out, long value, int size) Converts an integer to a string, prepended with a variable amount of '0' pad characters, and writes it to the given writer.
static void	writeUnpaddedInteger(Writer out, int value) Converts an integer to a string, and writes it to the given writer.
static void	writeUnpaddedInteger(Writer out, long value) Converts an integer to a string, and writes it to the given writer.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

appendPaddedInteger

public static void appendPaddedInteger(StringBuffer buf,
                                       int value,
                                       int size)

Converts an integer to a string, prepended with a variable amount of '0' pad characters, and appends it to the given buffer.

This method is optimized for converting small values to strings.

参数:

buf - receives integer converted to a string

value - value to convert to a string

size - minumum amount of digits to append

appendPaddedInteger

public static void appendPaddedInteger(StringBuffer buf,
                                       long value,
                                       int size)

Converts an integer to a string, prepended with a variable amount of '0' pad characters, and appends it to the given buffer.

This method is optimized for converting small values to strings.

参数:

buf - receives integer converted to a string

value - value to convert to a string

size - minumum amount of digits to append

writePaddedInteger

public static void writePaddedInteger(Writer out,
                                      int value,
                                      int size)
                               throws IOException

Converts an integer to a string, prepended with a variable amount of '0' pad characters, and writes it to the given writer.

This method is optimized for converting small values to strings.

参数:

out - receives integer converted to a string

value - value to convert to a string

size - minumum amount of digits to append

抛出:

IOException

writePaddedInteger

public static void writePaddedInteger(Writer out,
                                      long value,
                                      int size)
                               throws IOException

Converts an integer to a string, prepended with a variable amount of '0' pad characters, and writes it to the given writer.

This method is optimized for converting small values to strings.

参数:

out - receives integer converted to a string

value - value to convert to a string

size - minumum amount of digits to append

抛出:

IOException

appendUnpaddedInteger

public static void appendUnpaddedInteger(StringBuffer buf,
                                         int value)

Converts an integer to a string, and appends it to the given buffer.

This method is optimized for converting small values to strings.

参数:

buf - receives integer converted to a string

value - value to convert to a string

appendUnpaddedInteger

public static void appendUnpaddedInteger(StringBuffer buf,
                                         long value)

Converts an integer to a string, and appends it to the given buffer.

This method is optimized for converting small values to strings.

参数:

buf - receives integer converted to a string

value - value to convert to a string

writeUnpaddedInteger

public static void writeUnpaddedInteger(Writer out,
                                        int value)
                                 throws IOException

Converts an integer to a string, and writes it to the given writer.

This method is optimized for converting small values to strings.

参数:

out - receives integer converted to a string

value - value to convert to a string

抛出:

IOException

writeUnpaddedInteger

public static void writeUnpaddedInteger(Writer out,
                                        long value)
                                 throws IOException

Converts an integer to a string, and writes it to the given writer.

This method is optimized for converting small values to strings.

参数:

out - receives integer converted to a string

value - value to convert to a string

抛出:

IOException

calculateDigitCount

public static int calculateDigitCount(long value)

Calculates the number of decimal digits for the given value, including the sign.