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1   /*
2   * The contents of this file are subject to the BT "ZEUS" Open Source 
3   * Licence (L77741), Version 1.0 (the "Licence"); you may not use this file 
4   * except in compliance with the Licence. You may obtain a copy of the Licence
5   * from $ZEUS_INSTALL/licence.html or alternatively from
6   * http://www.labs.bt.com/projects/agents/zeus/licence.htm
7   * 
8   * Except as stated in Clause 7 of the Licence, software distributed under the
9   * Licence is distributed WITHOUT WARRANTY OF ANY KIND, either express or 
10  * implied. See the Licence for the specific language governing rights and 
11  * limitations under the Licence.
12  * 
13  * The Original Code is within the package zeus.*.
14  * The Initial Developer of the Original Code is British Telecommunications
15  * public limited company, whose registered office is at 81 Newgate Street, 
16  * London, EC1A 7AJ, England. Portions created by British Telecommunications 
17  * public limited company are Copyright 1996-9. All Rights Reserved.
18  * 
19  * THIS NOTICE MUST BE INCLUDED ON ANY COPY OF THIS FILE
20  */
21  
22  
23  package zeus.rete.action;
24  import zeus.rete.*;
25  import zeus.concepts.fn.*; 
26  import zeus.concepts.*;
27  import zeus.util.*;
28  import java.util.*;
29  import java.io.*;
30  
31  
32  /*** 
33      
34      @author Simon Thompson
35      @since 1.1
36      */
37  public class  SystemAction extends ReteAction{
38      
39      /***
40     
41          */
42      public void executeAction (Action a, Info info) { 
43                String output = "";
44                ValueFunction var;
45                for(int j = 0; j < a.items.size(); j++ ) {
46                   var = (ValueFunction)a.items.elementAt(j);
47                   var = var.resolve(info.getBindings());
48                   String str = var.toString();
49                   str = Misc.literalToString(str);
50                   output += str;
51                }
52                try {
53                   Runtime runtime = Runtime.getRuntime();
54                   Process process = runtime.exec(output);
55                }
56                catch(IOException e) {
57                   Core.USER_ERROR(e + " while attempting to execute '" + output + "'");
58                }
59                     
60      }
61      
62      
63  }