package info.ejava.examples.secureping;
   
   import java.util.Arrays;
   
   import javax.management.MBeanServerConnection;
   import javax.management.ObjectName;
   import javax.naming.Context;
   import javax.naming.InitialContext;
   
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * This class flushes the JBoss JaasSecurityManager authentication cache. 
   * This needs to be done after changing user login/role information in the 
   * database when not waiting not waiting for a timeout supplied in 
   * deploy/security-service.xml. It does so using the RMIAdapter for the 
   * JMX MBean server.
   */
  public class ResetAuthenticationCache {
      private static final Logger logger = LoggerFactory.getLogger(ResetAuthenticationCache.class); 
      private static final String SECURITY_MANAGER_SERVICE = 
          "jboss.security:service=JaasSecurityManager";
      private static final String FLUSH_OPERATION = 
          "flushAuthenticationCache";
      private static final String jndiName = 
          System.getProperty("jmx.invoker","jmx/invoker/RMIAdaptor");
      private static final String domainName = 
          System.getProperty("jmx.domain", "ejavaDomain");
  
      
      public ResetAuthenticationCache() {}
      
      public void execute() throws Exception {
          //get the JMX Adaptor from the JNDI tree
          Context jndi = new InitialContext(); //rely on a jndi.properties file
          logger.debug("jndi=" + jndi.getEnvironment());
          logger.debug("looking up:" + jndiName);
          Object object = jndi.lookup(jndiName);
          //RMIAdaptor remote = (RMIAdaptor) object;
          MBeanServerConnection remote = (MBeanServerConnection) object;
          
          
          //invoke the bean to flush the authentication cache for the domain
          ObjectName name = new ObjectName(SECURITY_MANAGER_SERVICE);
          Object[] params = { domainName };
          String[] signature = { "java.lang.String" };
          logger.debug(name + "." + FLUSH_OPERATION + "(" + 
                  Arrays.toString(params) + ")");
          remote.invoke(name,FLUSH_OPERATION, params, signature);
      }
      
      public static void main(String args[]) {
          try {
              new ResetAuthenticationCache().execute();
          }
          catch (Exception ex) {
              ex.printStackTrace();
              System.exit(-1);
          }
      }
  }