cas.util
Class TextTools

java.lang.Object
  cas.util.TextTools

public class TextTools

extends Object

Provides some text utilitiy functions.

Version:

1.0

Author:

Ralph Schuster

Field Summary

protected static String	characters Character set for randiom codes.
protected static Random	randomObject Randomizer object to create random numbers.

Constructor Summary

TextTools()

Method Summary

static String[]	enhanceStringArray(String[] a, String s) Enhances a String array with another String
static String	getRandomCode(int len) Creates an alphanumeric randomized code of the specified length.
protected String[]	getWords(String s, char[] sep) Retrieves words from the strings.
protected String	joinWords(String[] words) Joins all strings into one string separated by spaces.
protected String	joinWords(String[] words, int start) Joins all strings into one string separated by spaces.
protected String	joinWords(String[] words, int start, int end) Joins all strings into one string separated by spaces.
static long[]	parseStringIntoLongArray(String s) Creates long[] array from comma separated list of numbers in a string.
static String	replace(String s, String from, String to) Replaces a string portion by another string.
static String	replaceOnce(String s, String from, String to) Replaces a string portion by another string.
protected static String	replaceVariables(String s, String prefix, Properties props) Replaces variables in the string with the appropriate values from the Properties object.
static String[]	split(String s, char pivot) Splits the string into portions.

Methods inherited from class java.lang.Object

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

Field Detail

randomObject

protected static Random randomObject

Randomizer object to create random numbers.

characters

protected static String characters

Character set for randiom codes.

Constructor Detail

TextTools

public TextTools()

Method Detail

split

public static String[] split(String s,
                             char pivot)

Splits the string into portions. The portions are separated by the pivot character.

replace

public static String replace(String s,
                             String from,
                             String to)

Replaces a string portion by another string.

replaceOnce

public static String replaceOnce(String s,
                                 String from,
                                 String to)

Replaces a string portion by another string.

getRandomCode

public static String getRandomCode(int len)

Creates an alphanumeric randomized code of the specified length.

parseStringIntoLongArray

public static long[] parseStringIntoLongArray(String s)

Creates long[] array from comma separated list of numbers in a string.

enhanceStringArray

public static String[] enhanceStringArray(String[] a,
                                          String s)

Enhances a String array with another String

replaceVariables

protected static String replaceVariables(String s,
                                         String prefix,
                                         Properties props)

Replaces variables in the string with the appropriate values from the Properties object.

Parameters:

s - the string

prefix - the proefix of variable names in the string

props - the values of variables

Returns:

the string with all variables replaced.

getWords

protected String[] getWords(String s,
                            char[] sep)

Retrieves words from the strings. Words are separated by characters denoted in the given array.

Parameters:

s - string to be split

sep - characters that denote separators of words

Returns:

array of words in string

joinWords

protected String joinWords(String[] words)

Joins all strings into one string separated by spaces.

Parameters:

words - the string to join

Returns:

joined string

joinWords

protected String joinWords(String[] words,
                           int start)

Joins all strings into one string separated by spaces.

Parameters:

words - the string to join

start - index of first word

Returns:

joined string

joinWords

protected String joinWords(String[] words,
                           int start,
                           int end)

Joins all strings into one string separated by spaces.

Parameters:

words - the string to join

start - index of first word

end - index of last word

Returns:

joined string