The following is an example of a Java class named MyRoleManager.java:

//*************************************************************************
//
// SL-GMS Graphical Modeling Application, RTView Package
// MyRoleManager.java
// Copyright (c) 1998-2006 Sherrill-Lubinski Corporation. All Rights Reserved.
// May 2005
//
//*************************************************************************

import com.sl.gmsjrtview.*;
import java.util.*;

/** The MyRoleManager class provides a custom role manager class.
 *  <P>
 */

public class MyRoleManager extends GmsCustomRoleManager
{

//***********************************************************************
// ACTIVATE METHOD

/** Activate the role manager. Subclasses should overwrite this method to
 *  perform any initialization necessary to implement the isAllowed() method.
 *  This method should return true if initialization was successful, otherwise
 *  return false. RTView will exit if this method returns false.
 *  <P>
 */

public boolean activate ()
{
 return true;
}

//***********************************************************************
// GET SUBSTITUTIONS METHOD

/** This method should return substitutions to set on the RTView
 *  application when the specified role is logged in. If this role does not
 *  have any associated substitutions, this method should return null.
 *  Otherwise, return a pair of Vectors. Both Vectors must be the same length,
 *  with the first Vector containing the substutition strings and the second
 *  Vector containing the corresponding substitution values.
 * <P>
 */
 

public Vector[] getSubstitutions (String role)
{
        if (role.equals("role1")) {
                Vector subStrs = new Vector();
                Vector subVals = new Vector();
                subStrs.addElement("role1sub1");
                subVals.addElement("role1value1");
                subStrs.addElement("role1sub2");
                subVals.addElement("role1value2");
                return new Vector[] {subStrs, subVals};
 

        } else if (role.equals("role4")) {
                Vector subStrs = new Vector();
                Vector subVals = new Vector();
                subStrs.addElement("role4sub1");
                subVals.addElement("role4value1");
                subStrs.addElement("role4sub2");
                subVals.addElement("role4value2");
                return new Vector[] {subStrs, subVals};
 

        } else
                return null;
}

//***********************************************************************
// IS ALLOWED METHOD

/** Returns true if the specified display is allowed, otherwise return
 *  false. Subclasses should overwrite this method to return the appropriate
 *  value based on the displayName and for the specified role.
 *  <P>
 */

public boolean isAllowed (String displayName, String role)
{

 System.out.println("isAllowed role: " + role +
      " display: " + displayName);
 if (role == null || displayName == null)
  return false;
 if (role.equals("admin"))
  return true;

 if (displayName.equals("title_panel") ||
    displayName.equals("operations"))
  return true;

 if (role.equals("role1")) {
  if (displayName.equals("ems_administration") ||
   displayName.startsWith("manage"))
   return false;
  else
   return true;
 }
 if (role.equals("role2")) {
  if (displayName.startsWith("manage") &&
   !displayName.equals("manage_routes"))
   return false;
  else
   return true;
 }
 if (role.equals("role3")) {
  if (displayName.equals("ems_administration") ||
   displayName.startsWith("manage"))
   return true;
  else
   return false;
 }
 if (role.equals("role4")) {
  if (displayName.equals("ems_monitoring") ||
   displayName.equals("ems_allservers_api") ||
   displayName.equals("ems_server_info") ||
   displayName.equals("host_details"))
   return true;
  else
   return false;

 }
 return false;
}

}