com.dkfqs.tools.text

Class TextLib

java.lang.Object

com.dkfqs.tools.text.TextLib

public class TextLib
extends java.lang.Object

Various text utilities. All methods are static.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	convertToCSVValue(java.lang.String value, java.lang.String valueSeparator) Convert a value to CSV format according to RFC 4180.
static java.lang.String	convertValuesToCSVLine(java.util.ArrayList<java.lang.String> values, java.lang.String valueSeparator, boolean addLineTerminator) Convert multiple values to a CVS formatted line according to RFC 4180.
static java.lang.String	encloseAndEscapeValue(java.lang.String value, java.lang.String encloseChar) Enclose a value at the start and the end with a char and escape special value chars.
static boolean	is85PercentHexText(java.lang.String s) Get if a text contains 85% or more HEX digit chars.
static boolean	isBooleanText(java.lang.String s) Check if a text is a boolean value ('true' or ''false - case insensitive).
static boolean	isHexText(java.lang.String s) Check if a text is a HEX value (case insensitive).
static boolean	isNumberText(java.lang.String s) Check if a text is a number.

Methods inherited from class java.lang.Object

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

Method Detail

isBooleanText

public static boolean isBooleanText(java.lang.String s)

Check if a text is a boolean value ('true' or ''false - case insensitive).

Parameters:

s - the text to check

Returns:

true if the text is a boolean value

isNumberText

public static boolean isNumberText(java.lang.String s)

Check if a text is a number.

Parameters:

s - the text to check

Returns:

true if the text is a number

isHexText

public static boolean isHexText(java.lang.String s)

Check if a text is a HEX value (case insensitive).

Parameters:

s - the text to check

Returns:

true if the text is a HEX value

is85PercentHexText

public static boolean is85PercentHexText(java.lang.String s)

Get if a text contains 85% or more HEX digit chars.

Parameters:

s - the text to check, note that only the first 30 chars are checked

Returns:

true if the text contains at least 4 chars and contains 85% or more HEX digit chars

encloseAndEscapeValue

public static java.lang.String encloseAndEscapeValue(java.lang.String value,
                                                     java.lang.String encloseChar)

Enclose a value at the start and the end with a char and escape special value chars. Algorithm:

• All '\' chars of the value are replaced by '\\'
• if the value contains enclose chars then a '\' is added in front of each of such char
• Finally the value is enclosed at the start and the end by the enclose char

Parameters:

value - the value to enclose and escape

encloseChar - the enclose char (typically a quote or a double quote)

Returns:

the result value

convertToCSVValue

public static java.lang.String convertToCSVValue(java.lang.String value,
                                                 java.lang.String valueSeparator)

Convert a value to CSV format according to RFC 4180.

Parameters:

value - the value to convert

valueSeparator - the separator (delimiter) between the values (for example ',' or ';')

Returns:

the converted value

convertValuesToCSVLine

public static java.lang.String convertValuesToCSVLine(java.util.ArrayList<java.lang.String> values,
                                                      java.lang.String valueSeparator,
                                                      boolean addLineTerminator)

Convert multiple values to a CVS formatted line according to RFC 4180.

Parameters:

values - the values to convert

valueSeparator - the separator (delimiter) between the values (for example ',' or ';')

addLineTerminator - if true add a line terminator at end of the line

Returns:

the converted CSV line