com.cc.framework.util
Class StringHelp

java.lang.Object
  com.cc.framework.util.StringHelp

public abstract class StringHelp

extends java.lang.Object

Helper class for string operations.

Since:

1.0

Version:

$Revision: 1.32 $

Author:

Harald Schulz

Field Summary

static java.lang.String

CRLF Code for carriage return

Constructor Summary

private

StringHelp() Constructor

Method Summary

static java.lang.String	expand(java.lang.String str, java.util.Map macros) This method expands the markups (Format %macro%) in a string by the specified macros.
static java.lang.String	fill(java.lang.Object obj, int fillLength, char fillChar) Fills a String with the specified pattern till the specified length.
static boolean	isWhitespaceOnlyStr(java.lang.String str) Checks if a String contains only Whitespace characters
static java.lang.String	join(java.util.Collection tokens, char delimiter) Joins an array and inserts the specified delimiter between the array elements.
static java.lang.String	join(java.util.Collection tokens, java.lang.String delimiter) Joins an array and inserts the specified delimiter between the array elements.
static java.lang.String	join(java.lang.Object[] tokens, char delimiter) Joins an array and inserts the specified delimiter between the array elements.
static java.lang.String	join(java.lang.String token, int repeat, char delimiter) Joins on token.
static java.lang.String	join(java.lang.String t1, java.lang.String t2, char delimiter) Joins two strings and inserts the specified delimiter between the string.
static java.lang.String	join(java.lang.String t1, java.lang.String t2, java.lang.String t3, char delimiter) Joins three strings and inserts the specified delimiter between the string.
static java.lang.String	join(java.lang.String t1, java.lang.String t2, java.lang.String t3, java.lang.String t4, char delimiter) Joins four strings and inserts the specified delimiter between the string.
static boolean	safeequals(java.lang.Object o1, java.lang.Object o2) Method safe equals
static java.lang.String	safetrim(java.lang.String str) Removes white spaces at the end of a string.
static java.lang.String[]	split(java.lang.String text, java.lang.String delimiter) Splits the provided text into a list, based on a given separator.
static java.lang.String[]	splitRetainEmpty(java.lang.String text, char delimiter) Splits the provided text into a list, based on a given separator.
static java.lang.String	strcat(java.util.List tokens) Concatenates an array of Objects.
static java.lang.String	strcat(java.lang.String[] tokens) Concatenates an array.
static java.lang.String	strcat(java.lang.String t1, java.lang.String t2) Concatenates two strings
static java.lang.String	strcat(java.lang.String t1, java.lang.String t2, java.lang.String t3) Concatenates three strings
static java.lang.String	strcat(java.lang.String t1, java.lang.String t2, java.lang.String t3, java.lang.String t4) Concatenates four strings
static java.lang.String	strcat(java.lang.String t1, java.lang.String t2, java.lang.String t3, java.lang.String t4, java.lang.String t5) Concatenates four strings
static java.lang.String[]	toStringArray(java.lang.Object value) Transforms an object into a String Array
static java.util.Set	toStringSet(java.lang.Object[] values) Transforms an object into a String Set
static java.lang.String	trimRight(java.lang.String str) Trims a String
static java.lang.String	truncate(java.lang.String str, int maxlength) Truncates a given string to a maximum number of characters

Methods inherited from class java.lang.Object

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

Field Detail

CRLF

public static final java.lang.String CRLF

Code for carriage return

See Also:

Constant Field Values

Constructor Detail

StringHelp

private StringHelp()

Constructor

Method Detail

isWhitespaceOnlyStr

public static boolean isWhitespaceOnlyStr(java.lang.String str)

Checks if a String contains only Whitespace characters

Parameters:

str - String to test

Returns:

returns if the string contains only whitespace Characters

toStringArray

public static java.lang.String[] toStringArray(java.lang.Object value)

Transforms an object into a String Array

Parameters:

value - Object

Returns:

Array of Strings

toStringSet

public static java.util.Set toStringSet(java.lang.Object[] values)

Transforms an object into a String Set

Parameters:

values - String Array

Returns:

Set of Strings

truncate

public static java.lang.String truncate(java.lang.String str,
                                        int maxlength)

Truncates a given string to a maximum number of characters

Parameters:

str - The string to truncate

maxlength - The maximum number of characters

Returns:

truncated string

fill

public static java.lang.String fill(java.lang.Object obj,
                                    int fillLength,
                                    char fillChar)

Fills a String with the specified pattern till the specified length.

Parameters:

obj - String

fillLength - length

fillChar - pattern

Returns:

String

safetrim

public static java.lang.String safetrim(java.lang.String str)

Removes white spaces at the end of a string. This function takes care of NULL-Values. This function should be used if CHAR(x) columns are read from a database because this values are filled up to the specified length with white spaces.

Parameters:

str - String

Returns:

String

trimRight

public static java.lang.String trimRight(java.lang.String str)

Trims a String

Parameters:

str - String to trim

Returns:

String

safeequals

public static boolean safeequals(java.lang.Object o1,
                                 java.lang.Object o2)

Method safe equals

Parameters:

o1 - Object1

o2 - Object2

Returns:

boolean

split

public static java.lang.String[] split(java.lang.String text,
                                       java.lang.String delimiter)

Splits the provided text into a list, based on a given separator. The separator is not included in the returned String array. The maximum number of splits to perform can be controlled. A null separator will cause parsing to be on whitespace.

Parameters:

text - The string to parse

delimiter - The delimiter character. If null, splits on whitespace.

Returns:

an array of parsed Strings

splitRetainEmpty

public static java.lang.String[] splitRetainEmpty(java.lang.String text,
                                                  char delimiter)

Splits the provided text into a list, based on a given separator. The separator is not included in the returned String array. The maximum number of splits to perform can be controlled. A null separator will cause parsing to be on whitespace.

Parameters:

text - The string to parse

delimiter - The delimiter character. If null, splits on whitespace.

Returns:

an array of parsed Strings

join

public static java.lang.String join(java.lang.Object[] tokens,
                                    char delimiter)

Joins an array and inserts the specified delimiter between the array elements.

Parameters:

tokens - The tokens to join

delimiter - The delimiter to insert between the tokens

Returns:

String

join

public static java.lang.String join(java.lang.String token,
                                    int repeat,
                                    char delimiter)

Joins on token.

Parameters:

token - The token to join

repeat - The repeat count

delimiter - The delimiter to insert between the tokens

Returns:

String

join

public static java.lang.String join(java.util.Collection tokens,
                                    java.lang.String delimiter)

Joins an array and inserts the specified delimiter between the array elements.

Parameters:

tokens - The tokens to join

delimiter - The delimiter to insert between the tokens

Returns:

String

join

public static java.lang.String join(java.util.Collection tokens,
                                    char delimiter)

Joins an array and inserts the specified delimiter between the array elements.

Parameters:

tokens - The tokens to join

delimiter - The delimiter to insert between the tokens

Returns:

String

join

public static java.lang.String join(java.lang.String t1,
                                    java.lang.String t2,
                                    char delimiter)

Joins two strings and inserts the specified delimiter between the string.

Parameters:

t1 - String1

t2 - String2

delimiter - The delimiter to used

Returns:

String

join

public static java.lang.String join(java.lang.String t1,
                                    java.lang.String t2,
                                    java.lang.String t3,
                                    char delimiter)

Joins three strings and inserts the specified delimiter between the string.

Parameters:

t1 - String1

t2 - String2

t3 - String3

delimiter - The delimiter to used

Returns:

String

join

public static java.lang.String join(java.lang.String t1,
                                    java.lang.String t2,
                                    java.lang.String t3,
                                    java.lang.String t4,
                                    char delimiter)

Joins four strings and inserts the specified delimiter between the string.

Parameters:

t1 - String1

t2 - String2

t3 - String3

t4 - String4

delimiter - The delimiter to used

Returns:

String

strcat

public static java.lang.String strcat(java.lang.String[] tokens)

Concatenates an array.

Parameters:

tokens - The tokens to join

Returns:

String

strcat

public static java.lang.String strcat(java.util.List tokens)

Concatenates an array of Objects.

Parameters:

tokens - The tokens to join

Returns:

String

strcat

public static java.lang.String strcat(java.lang.String t1,
                                      java.lang.String t2)

Concatenates two strings

Parameters:

t1 - String1

t2 - String2

Returns:

String

strcat

public static java.lang.String strcat(java.lang.String t1,
                                      java.lang.String t2,
                                      java.lang.String t3)

Concatenates three strings

Parameters:

t1 - String1

t2 - String2

t3 - String3

Returns:

String

strcat

public static java.lang.String strcat(java.lang.String t1,
                                      java.lang.String t2,
                                      java.lang.String t3,
                                      java.lang.String t4)

Concatenates four strings

Parameters:

t1 - String1

t2 - String2

t3 - String3

t4 - String4

Returns:

String

strcat

public static java.lang.String strcat(java.lang.String t1,
                                      java.lang.String t2,
                                      java.lang.String t3,
                                      java.lang.String t4,
                                      java.lang.String t5)

Concatenates four strings

Parameters:

t1 - String1

t2 - String2

t3 - String3

t4 - String4

t5 - String5

Returns:

String

expand

public static java.lang.String expand(java.lang.String str,
                                      java.util.Map macros)

This method expands the markups (Format %macro%) in a string by the specified macros.

Parameters:

str - String to expand

macros - Map with macros

Returns:

Bei erfolgreicher Ausführung wird die expandierte Zeichenkette zurückgegeben