Security Administration - Remove User from Group Example

Remove User from Group Example

Example Overview
Integration with Web NMS
Sample Output
De-referencing

Example Overview

Example name : RemoveUserFromGroup.java
Location : <Web NMS Home>/examples/Security/authorization directory

This example explains how to use the method "removeUserFromGroup()" and class file will remove the specified user from an already existing group. When the user name and the group name are specified in the command line arguments, the respective user will be removed from the appropriate group.

The interface used in this example is AuthorizationAdmin

Method used in this example is :

removeViewFromGroup(java.lang.String groupName, java.lang.String authorizedViewName)

This method removes(disassociates) an AuthorizedView from a group.

Parameters: groupName - The name of the group from which the AuthorizedView is to be disassociated.
authorizedViewName - The authorizedViewName that is to be disassociated.
Throws: java.rmi.RemoteException - In case of RMI.
AuthorizationException - In case of null parameter, any exception or error during database operation

Note : The source code will have comment statements in it which will explain to you the different segments of the program.

Integration with Web NMS

The steps given below will help you in integrating this example with Web NMS. If any of the steps given below are not followed properly, then the example might not function in a desired manner.

Set the <Web NMS Home>/classes directory to classpath
Compile the RemoveUserFromGroup.java source file [ javac -d <Web NMS Home>/classes RemoveUserFromGroup.java]
Ensure that the class file is placed in the <Web NMS Home>/classes directory after compilation, in line with the package name specified in the program
Now start the Web NMS Server and wait till it successfully starts up
Execute the program, giving a user name and group name as arguments (Ideally, both the user and the group must exist !) as given below :

java com.adventnet.nms.example.security.authorization.RemoveUserFromGroup <username> <group name>

Sample Output

On giving a username and group name as arguments to this example program, the output of the program printed in your console, will be : "Removed <user name> from <group name>" or "Error. user does not exist."

De-referencing

After you have tried this example, to remove its association with Web NMS, you must remove the class file RemoveUserFromGroup.class from <Web NMS Home>/classes/com/adventnet/nms/example/security/authorization directory.