com.highqsoft.fwk.util

Class StringUtilities

java.lang.Object

com.highqsoft.fwk.util.StringUtilities

public class StringUtilities
extends java.lang.Object

The StringUtilities is class with a collection of static string utility methods.

Since:

$Date: 2017/04/06 13:29:08 $

Version:

$Revision: 1.11 $

Author:

Andreas Hofmann

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StringUtilities.LevenstheinDistance The class that describes the levensthein distance.

Constructor Summary

Constructors

Constructor and Description
StringUtilities()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	concatenate(java.util.Collection s, java.lang.String sep, boolean trim) This method takes a vector containing strings and return a single string.
static java.lang.String	concatenate(java.lang.String[] s, java.lang.String sep, boolean trim) This method takes a string array and return a single string.
static int	levensthein(java.lang.String s1, java.lang.String s2) Calculate the levensthein distance of the strings.
static StringUtilities.LevenstheinDistance[]	levenstheinDist(java.lang.String s, java.lang.String[] arr) Determine the levensthein distance of the given string belongs to all entries of the given array.
static StringUtilities.LevenstheinDistance[]	levenstheinDistToIgnoreCase(java.lang.String s, java.lang.String[] arr) Determine the levensthein distance of the given string belongs to all entries of the given array.
static java.lang.String	levenstheinFind(java.lang.String s, java.lang.String[] arr) Find the string in array by using the the levensthein distance of the strings.
static java.lang.String	levenstheinFindToIgnoreCase(java.lang.String s, java.lang.String[] arr) Find the string in array by using the the levensthein distance of the strings.
static int	levenstheinToIgnoreCase(java.lang.String s1, java.lang.String s2) Calculate the levensthein distance of the strings ignoring upper and lower case letters.
static void	main(java.lang.String[] args) The test programm.
static java.lang.String[]	split(java.lang.String s, int sep, boolean trim) This method takes a single string and return a string array.
static java.lang.String[]	split(java.lang.String s, java.lang.String sep, boolean trim) This method takes a single string and return a string array.
static java.lang.String	substring(java.lang.String s, char sep, int number) Substring number.
static java.lang.String	substring(java.lang.String s, char sep, int number, boolean trim) Substring number.
static java.lang.String	substring(java.lang.String s, java.lang.String sep, int number) Substring number.
static java.lang.String	substring(java.lang.String s, java.lang.String sep, int number, boolean trim) This method returns a part of a string.
static java.util.Properties	toProperties(java.lang.String theString, java.util.Properties props) This method converts a string of the form key=value [, anotherkey=anotherValue] into properties.
static java.util.Vector	vectorSplit(java.lang.String s, int sep, boolean trim) This method takes a single string and return a string vector.
static java.util.Vector	vectorSplit(java.lang.String s, java.lang.String sep, boolean trim) This method takes a single string and return a vector containing the seperated strings..

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtilities

public StringUtilities()

Method Detail

toProperties

public static java.util.Properties toProperties(java.lang.String theString,
                                java.util.Properties props)

This method converts a string of the form key=value [, anotherkey=anotherValue] into properties. Values may be strings in double quotes and spaces may appear before and after the comma and the assignment (=).

Parameters:

theString - The string to be converted to properties.

Returns:

The result properties.

split

public static java.lang.String[] split(java.lang.String s,
                       int sep,
                       boolean trim)

This method takes a single string and return a string array. It tries to find the separator character and split the incoming string into single peaces returns in the array.

Parameters:

s - The string to be split.

sep - The separator character.

trim - If true The array elements will be trimmed.

Returns:

An String array containing the string fragments.

split

public static java.lang.String[] split(java.lang.String s,
                       java.lang.String sep,
                       boolean trim)

This method takes a single string and return a string array. It tries to find the separator string and split the incoming string into single peaces returns in the array.

Parameters:

s - The string to be split.

sep - The separator string.

trim - If true The array elements will be trimmed.

Returns:

An String array containing the string fragments.

vectorSplit

public static java.util.Vector vectorSplit(java.lang.String s,
                           java.lang.String sep,
                           boolean trim)

This method takes a single string and return a vector containing the seperated strings.. It tries to find the separator string and split the incoming string into single peaces returns in the vector.

Parameters:

s - The string to be split.

sep - The separator string.

trim - If true The array elements will be trimmed.

Returns:

A vector containing the string fragments.

substring

public static java.lang.String substring(java.lang.String s,
                         java.lang.String sep,
                         int number,
                         boolean trim)

This method returns a part of a string. The specified number indicates the number of the given separator in string. If the number is positive the number is counted from the beginning and the returned string is the part before the found separator. Else the method counts the separator occurence from the end and returns the the last part of the string. An index of 0 returns the source string itself. If the sepcified separator was not found or the total number of included separators is less than the required number teh method return null

Parameters:

s - the source string

sep - The separator.

number - the number of the separator.

trim - if true true the result will be trimmed.

substring

public static java.lang.String substring(java.lang.String s,
                         char sep,
                         int number,
                         boolean trim)

Substring number.

Parameters:

s - the source string

sep - The separator.

number - the number of the separator.

trim - if true true the result will be trimmed.

See Also:

substring(String, String, int, boolean)

substring

public static java.lang.String substring(java.lang.String s,
                         char sep,
                         int number)

Substring number.

Parameters:

s - the source string

sep - The separator.

number - the number of the separator.

See Also:

substring(String, String, int, boolean)

substring

public static java.lang.String substring(java.lang.String s,
                         java.lang.String sep,
                         int number)

Substring number.

Parameters:

s - the source string

sep - The separator.

number - the number of the separator.

See Also:

substring(String, String, int, boolean)

vectorSplit

public static java.util.Vector vectorSplit(java.lang.String s,
                           int sep,
                           boolean trim)

This method takes a single string and return a string vector. It tries to find the separator character and split the incoming string into single peaces returns in the vector.

Parameters:

s - The string to be split.

sep - The separator character.

trim - If true The array elements will be trimmed.

Returns:

A vector array containing the string fragments.

concatenate

public static java.lang.String concatenate(java.util.Collection s,
                           java.lang.String sep,
                           boolean trim)

This method takes a vector containing strings and return a single string. It concatenates all array elements to single string and paste the separator between them.

Parameters:

s - The vector conatining strings.

sep - The separator string. Could be null.

trim - If true The array elements will be trimmed.

Returns:

An string containing all elements of the array concatenate with the sep.

concatenate

public static java.lang.String concatenate(java.lang.String[] s,
                           java.lang.String sep,
                           boolean trim)

This method takes a string array and return a single string. It concatenates all array elements to single string and paste the separator between them.

Parameters:

s - The string array to be concatenated.

sep - The separator string. Could be null.

trim - If true The array elements will be trimmed.

Returns:

An string containing all elements of the array concatenate with the sep.

levenstheinDistToIgnoreCase

public static StringUtilities.LevenstheinDistance[] levenstheinDistToIgnoreCase(java.lang.String s,
                                                                java.lang.String[] arr)

Determine the levensthein distance of the given string belongs to all entries of the given array.

Parameters:

s - string to find.

arr - array of strings.

Returns:

the distance array sorted by the distance.

levenstheinDist

public static StringUtilities.LevenstheinDistance[] levenstheinDist(java.lang.String s,
                                                    java.lang.String[] arr)

Determine the levensthein distance of the given string belongs to all entries of the given array.

Parameters:

s - string to find.

arr - array of strings.

Returns:

the distance array sorted by the distance.

levenstheinFindToIgnoreCase

public static java.lang.String levenstheinFindToIgnoreCase(java.lang.String s,
                                           java.lang.String[] arr)

Find the string in array by using the the levensthein distance of the strings.

Parameters:

s - string to find.

arr - array of strings.

Returns:

the string that has the smallest distance.

levenstheinFind

public static java.lang.String levenstheinFind(java.lang.String s,
                               java.lang.String[] arr)

Find the string in array by using the the levensthein distance of the strings.

Parameters:

s - string to find.

arr - array of strings.

Returns:

the string that has the smallest distance.

levenstheinToIgnoreCase

public static int levenstheinToIgnoreCase(java.lang.String s1,
                          java.lang.String s2)

Calculate the levensthein distance of the strings ignoring upper and lower case letters.

Parameters:

s1 -

s2 -

Returns:

the levensthein distance of two strings

levensthein

public static int levensthein(java.lang.String s1,
              java.lang.String s2)

Calculate the levensthein distance of the strings.

Parameters:

s1 -

s2 -

Returns:

the levensthein distance of two strings

main

public static void main(java.lang.String[] args)

The test programm.