Index: jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/realm/JAASRealm.java
===================================================================
RCS file: /home/cvspublic/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/realm/JAASRealm.java,v
retrieving revision 1.4
diff -u -r1.4 JAASRealm.java
--- jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/realm/JAASRealm.java	18 Jun 2002 09:14:49 -0000	1.4
+++ jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/realm/JAASRealm.java	28 Jun 2002 17:55:20 -0000
@@ -283,8 +283,7 @@
         LoginContext loginContext = null;
         try {
             loginContext = new LoginContext
-                (appName, new JAASCallbackHandler(this, username,
-                                                  credentials));
+                (appName, createCallbackHandler(username,credentials));
         } catch (LoginException e) {
             log(sm.getString("jaasRealm.loginException", username), e);
             return (null);
@@ -402,6 +401,18 @@
 
     }
 
+    /**
+     *  Constructs a CallbackHandler to be used with the JAAS LoginContext
+     *  to handle the information needed by the configured LoginModule.
+     *
+     *  @param  username    The user's login name.
+     *  @param  credentials The password supplied by the user.
+     *  @return A CallbackHandler for the configured LoginModule.
+     */
+    protected CallbackHandler createCallbackHandler(String username, 
+                                                    String credentials) {
+        return new JAASCallbackHandler(this, username, credentials);
+    }
 
     // ------------------------------------------------------ Lifecycle Methods