Package org.picketbox.util

Class StringUtil

java.lang.Object

org.picketbox.util.StringUtil

public class StringUtil
extends Object

Utility dealing with Strings

Since:

Oct 21, 2009

Author:

Anil.Saldhana@redhat.com

Field Summary

Fields

Modifier and Type	Field	Description
static String	PROPERTY_DEFAULT_SEPARATOR

Constructor Summary

Constructors

Constructor	Description
StringUtil()

Method Summary

Modifier and Type	Method	Description
static String	decode(String maskedString, String salt, int iterationCount)	Given a masked password String, decode it
static String	getSystemPropertyAsString(String str)	Get the system property value if the string is of the format ${sysproperty}
static boolean	isNotNull(String str)	Check whether the passed string is null or empty
static boolean	isNullOrEmpty(String str)	Check whether the string is null or empty
static void	match(String first, String second)	Match two strings else throw a RuntimeException
static List<String>	tokenize(String str)	Given a comma separated string, get the tokens as a List

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_DEFAULT_SEPARATOR

public static final String PROPERTY_DEFAULT_SEPARATOR

See Also:

Constant Field Values

Constructor Detail

StringUtil

public StringUtil()

Method Detail

isNotNull

public static boolean isNotNull(String str)

Check whether the passed string is null or empty

Parameters:

str -

Returns:

isNullOrEmpty

public static boolean isNullOrEmpty(String str)

Check whether the string is null or empty

Parameters:

str -

Returns:

getSystemPropertyAsString

public static String getSystemPropertyAsString(String str)

Get the system property value if the string is of the format ${sysproperty}

You can insert default value when the system property is not set, by separating it at the beginning with ::

Examples:

${idp} should resolve to a value if the system property "idp" is set.

${idp::http://localhost:8080} will resolve to http://localhost:8080 if the system property "idp" is not set.

Parameters:

str -

Returns:

match

public static void match(String first,
                         String second)

Match two strings else throw a RuntimeException

Parameters:

first -

second -

tokenize

public static List<String> tokenize(String str)

Given a comma separated string, get the tokens as a List

Parameters:

str -

Returns:

decode

public static String decode(String maskedString,
                            String salt,
                            int iterationCount)
                     throws Exception

Given a masked password String, decode it

Parameters:

maskedString - a password string that is masked

salt - Salt

iterationCount - Iteration Count

Returns:

Decoded String

Throws:

Exception