NullArgumentException (The Adobe AEM Quickstart and Web Application. 6.6.0)

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - java.lang.IllegalArgumentException
      - org.apache.commons.lang.NullArgumentException

All Implemented Interfaces:

java.io.Serializable
```
public class NullArgumentException
extends java.lang.IllegalArgumentException
```
Thrown to indicate that an argument was null and should not have been. This exception supplements the standard IllegalArgumentException by providing a more semantically rich description of the problem.

NullArgumentException represents the case where a method takes in a parameter that must not be null. Some coding standards would use NullPointerException for this case, others will use IllegalArgumentException. Thus this exception would be used in place of IllegalArgumentException, yet it still extends it.
```
 public void foo(String str) {
   if (str == null) {
     throw new NullArgumentException("str");
   }
   // do something with the string
 }
 
```
Since:

2.0

See Also:

Serialized Form

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NullArgumentException(java.lang.String argName)
  Instantiates with the given argument name.
- Method Summary
  - Methods inherited from class java.lang.Throwable
    addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
  - Methods inherited from class java.lang.Object
    equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - NullArgumentException
```
public NullArgumentException(java.lang.String argName)
```
    Instantiates with the given argument name.
    
    Parameters:
    
    argName - the name of the argument that was null.