StringUtil (Keycloak Docs Distribution 21.0.2 API)

java.lang.Object
- org.keycloak.saml.common.util.StringUtil

```
public class StringUtil
extends Object
```
Utility dealing with Strings

Since:

Oct 21, 2009

Author:

Anil.Saldhana@redhat.com

Constructor Summary

Constructors
Constructor Description

StringUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`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`

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
  - 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:
  - match
```
public static void match(String first,
                         String second)
```
    Match two strings else throw a RuntimeException
    
    Parameters:
    
    first -
    
    second -