1 package net.sf.tomp.xtcl.command;
2
3 import net.sf.tomp.xtcl.Context;
4
5 /***
6 * Copies src var to var (shallow copy).
7 *
8 * @author tomp
9 */
10 public class SetCommand extends VarCommand {
11
12 /*** src var name */
13 protected String srcVar;
14
15 /***
16 * set src var name
17 *
18 * @param r src var name
19 */
20 public void setSrcVar(String r) {
21 srcVar = r;
22 }
23
24 /***
25 * Copies src var to var (shallow copy).
26 *
27 */
28 public int execute(Context context) throws Exception {
29 Object src = context.get(srcVar);
30
31 context.put(var, src);
32
33 return done(context, ((src == null) ? 1 : 0));
34 }
35
36 /***
37 * DOCUMENT ME!
38 *
39 * @return DOCUMENT ME!
40 */
41 public String toString() {
42 return "SET " + var + "=" + srcVar;
43 }
44 }
45
46 /*
47 * The contents of this file are subject to the Mozilla Public License Version
48 * 1.1 (the "License"); you may not use this file except in compliance with the
49 * License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
50 * Software distributed under the License is distributed on an "AS IS" basis,
51 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
52 * the specific language governing rights and limitations under the License. The
53 * Original Code is: all this file. The Initial Developer of the Original Code
54 * is: Tomas Pitner, Masaryk University in Brno, Czech Republic. Contributor(s):
55 */