
1   /*
2    * Replica is published under the terms
3    * of the Apache Software License.
4    */
5   package replica.server.commands;
6   
7   import replica.core.*;
8   import replica.core.ApplicationMessage;
9   
10  /***
11   * This command is extended by all server commands that require that the
12   * user is logged in.
13   * 
14   * @author Pedro Costa
15   * @author Helder Silva
16   * @since 20/Jan/2004
17   */
18  public abstract class LoggedInCommand extends ApplicationCommand {
19  
20      /***
21       * 
22       */
23      public LoggedInCommand() {
24          super();
25      }
26  
27      /* (non-Javadoc)
28       * @see replica.server.commands.ServerCommand#execute(replica.server.ServerCommandVO)
29       */
30      protected Object execute(ApplicationMessage arg) {
31      	
32      	if( isLoggedIn(arg) ){
33      		return internalExecute(arg);
34      	}
35      	
36          return "Not Logged In.";
37      }
38      
39      /***
40       * Checks that the user is logged in.
41       * 
42       * @param arg
43       * @return
44       */
45      protected boolean isLoggedIn(ApplicationMessage arg ){
46      	
47      	return getSessionManager().getSession(arg.getSessionID()).isLoggedIn();
48      }
49      
50      protected abstract Object internalExecute(ApplicationMessage arg);
51  }
This page was automatically generated by Maven