org.camunda.commons.utils

Class StringUtil

java.lang.Object

org.camunda.commons.utils.StringUtil

public final class StringUtil
extends Object

Author:

Sebastian Menski

Constructor Summary

Constructors

Constructor and Description
StringUtil()

Method Summary

Modifier and Type	Method and Description
static String	defaultString(String text) Returns either the passed in String, or if the String is null, an empty String ("").
static String	getStackTrace(Throwable throwable) Fetches the stack trace of an exception as a String.
static boolean	isExpression(String text) Checks whether a String seams to be an expression or not
static String	join(String delimiter, String... parts) Joins a list of Strings to a single one.
static String[]	split(String text, String regex) Splits a String by an expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtil

public StringUtil()

Method Detail

isExpression

public static boolean isExpression(String text)

Checks whether a String seams to be an expression or not

Parameters:

text - the text to check

Returns:

true if the text seams to be an expression false otherwise

split

public static String[] split(String text,
                             String regex)

Splits a String by an expression.

Parameters:

text - the text to split

regex - the regex to split by

Returns:

the parts of the text or null if text was null

join

public static String join(String delimiter,
                          String... parts)

Joins a list of Strings to a single one.

Parameters:

delimiter - the delimiter between the joined parts

parts - the parts to join

Returns:

the joined String or null if parts was null

defaultString

public static String defaultString(String text)

Returns either the passed in String, or if the String is null, an empty String ("").

 StringUtils.defaultString(null)  = ""
 StringUtils.defaultString("")    = ""
 StringUtils.defaultString("bat") = "bat"
 

Parameters:

text - the String to check, may be null

Returns:

the passed in String, or the empty String if it was null

getStackTrace

public static String getStackTrace(Throwable throwable)

Fetches the stack trace of an exception as a String.

Parameters:

throwable - to get the stack trace from

Returns:

the stack trace as String