nc.ird.module.utils

Class StringTools

java.lang.Object

nc.ird.module.utils.StringTools

public final class StringTools
extends Object

Tools for strings

Author:

Mickael Tricot, Adrien Cheype

Method Summary

Methods

Modifier and Type	Method and Description
static <O1,O2> String	couplesToString(Map<O1,O2> couples, String separatorKeysValues, String separatorCouples) Create a string representing a list of couples (key + value)
static <T> Comparator<T>	createStringComparator() Create a comparator according to the toString method
static int	length(String string) Null-safe string length
static Iterator<String>	lineIterator(String string) Create a line iterator, without null or empty lines
static Iterator<String>	lineIterator(StringBuilder stringBuilder) Create a line iterator, without null or empty lines
static String	listToString(List<? extends Object> list, String delimiter) Display a list of objects
static String	replaceAccents(String string) Replace accented characters by their corresponding non-accented characters
static String	replaceConsecutiveWhitespaces(String string) Replace consecutive whitespaces by a single whitespace
static String	replaceConsecutiveWhitespacesByUnderscore(String string) Replace consecutive whitespaces by an underscore
static String	replaceNonAlpha(String string) Replace non alpha characters by a whitespace (accentuated characters are considered as non alpha characters)
static String	truncate(StringBuilder toTruncate, String truncation) Truncate a string by the end
static String	truncate(String toTruncate, String truncation) Truncate a string by the end

Methods inherited from class java.lang.Object

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

Method Detail

couplesToString

public static <O1,O2> String couplesToString(Map<O1,O2> couples,
                             String separatorKeysValues,
                             String separatorCouples)

Create a string representing a list of couples (key + value)

Type Parameters:

O1 - Keys type

O2 - Values type

Parameters:

couples - Couples (key + value)

separatorKeysValues - Separator between keys and values

separatorCouples - Separator between couples

Returns:

String representing the list of couples, or null if empty

listToString

public static String listToString(List<? extends Object> list,
                  String delimiter)

Display a list of objects

Parameters:

list - The list to browsed

delimiter - The delimiter between each object

Returns:

List display

length

public static int length(String string)

Null-safe string length

Parameters:

string - String

Returns:

String length or -1 if null

lineIterator

public static Iterator<String> lineIterator(String string)

Create a line iterator, without null or empty lines

Parameters:

string - String

Returns:

Iterator

lineIterator

public static Iterator<String> lineIterator(StringBuilder stringBuilder)

Create a line iterator, without null or empty lines

Parameters:

stringBuilder - String

Returns:

Iterator

replaceAccents

public static String replaceAccents(String string)

Replace accented characters by their corresponding non-accented characters

Parameters:

string - Accented string

Returns:

Non-accented string

replaceConsecutiveWhitespaces

public static String replaceConsecutiveWhitespaces(String string)

Replace consecutive whitespaces by a single whitespace

Parameters:

string - String to transform

Returns:

String transformed

replaceConsecutiveWhitespacesByUnderscore

public static String replaceConsecutiveWhitespacesByUnderscore(String string)

Replace consecutive whitespaces by an underscore

Parameters:

string - String to transform

Returns:

String transformed

replaceNonAlpha

public static String replaceNonAlpha(String string)

Replace non alpha characters by a whitespace (accentuated characters are considered as non alpha characters)

Parameters:

string - String to transform

Returns:

String transformed

truncate

public static String truncate(String toTruncate,
              String truncation)

Truncate a string by the end

Parameters:

toTruncate - String to truncate

truncation - String to delete

Returns:

Truncated string (empty if empty, null if null)

truncate

public static String truncate(StringBuilder toTruncate,
              String truncation)

Truncate a string by the end

Parameters:

toTruncate - String to truncate

truncation - String to delete

Returns:

Truncated string (empty if empty, null if null)

createStringComparator

public static <T> Comparator<T> createStringComparator()

Create a comparator according to the toString method

Type Parameters:

T - Type

Returns:

Comparator