Package com.ongres.scram.common.util

Class StringWritableCsv

java.lang.Object

com.ongres.scram.common.util.StringWritableCsv

public class StringWritableCsv
extends Object

Helper class to generate Comma Separated Values of StringWritables

Constructor Summary

Constructors

Constructor	Description
StringWritableCsv()

Method Summary

Modifier and Type	Method	Description
static String[]	parseFrom(String value)	Parse a String with a StringWritableCsv into its composing Strings represented as Strings.
static String[]	parseFrom(String value, int n)	Parse a String with a StringWritableCsv into its composing Strings represented as Strings.
static String[]	parseFrom(String value, int n, int offset)	Parse a String with a StringWritableCsv into its composing Strings represented as Strings.
private static void	writeStringWritableToStringBuffer(StringWritable value, StringBuffer sb)
static StringBuffer	writeTo(StringBuffer sb, StringWritable... values)	Write a sequence of StringWritableCsvs to a StringBuffer.

Methods inherited from class java.lang.Object

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

Constructor Details

StringWritableCsv

public StringWritableCsv()

Method Details

writeStringWritableToStringBuffer

private static void writeStringWritableToStringBuffer(StringWritable value,
 StringBuffer sb)

writeTo

public static StringBuffer writeTo(StringBuffer sb,
 StringWritable... values)
                            throws IllegalArgumentException

Write a sequence of StringWritableCsvs to a StringBuffer. Null StringWritables are not printed, but separator is still used. Separator is a comma (',')

Parameters:

sb - The sb to write to

values - Zero or more attribute-value pairs to write

Returns:

The same sb, with data filled in (if any)

Throws:

IllegalArgumentException - If sb is null

parseFrom

public static String[] parseFrom(String value,
 int n,
 int offset)
                          throws IllegalArgumentException

Parse a String with a StringWritableCsv into its composing Strings represented as Strings. No validation is performed on the individual attribute-values returned.

Parameters:

value - The String with the set of attribute-values

n - Number of entries to return (entries will be null of there were not enough). 0 means unlimited

offset - How many entries to skip before start returning

Returns:

An array of Strings which represent the individual attribute-values

Throws:

IllegalArgumentException - If value is null or either n or offset are negative

parseFrom

public static String[] parseFrom(String value,
 int n)
                          throws IllegalArgumentException

Parse a String with a StringWritableCsv into its composing Strings represented as Strings. No validation is performed on the individual attribute-values returned. Elements are returned starting from the first available attribute-value.

Parameters:

value - The String with the set of attribute-values

n - Number of entries to return (entries will be null of there were not enough). 0 means unlimited

Returns:

An array of Strings which represent the individual attribute-values

Throws:

IllegalArgumentException - If value is null or n is negative

parseFrom

public static String[] parseFrom(String value)
                          throws IllegalArgumentException

Parse a String with a StringWritableCsv into its composing Strings represented as Strings. No validation is performed on the individual attribute-values returned. All the available attribute-values will be returned.

Parameters:

value - The String with the set of attribute-values

Returns:

An array of Strings which represent the individual attribute-values

Throws:

IllegalArgumentException - If value is null