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18 package org.apache.commons.scxml.env;
19
20 import org.apache.commons.logging.Log;
21 import org.apache.commons.logging.LogFactory;
22
23 import org.apache.commons.scxml.SCXMLListener;
24 import org.apache.commons.scxml.model.Transition;
25 import org.apache.commons.scxml.model.TransitionTarget;
26
27
28 /***
29 * Simple SCXML Listener that logs execution.
30 */
31 public class SimpleSCXMLListener implements SCXMLListener {
32
33 /*** Log. */
34 private Log log = LogFactory.getLog(getClass());
35
36
37 /***
38 * @see SCXMLListener#onEntry(TransitionTarget)
39 */
40 public void onEntry(final TransitionTarget state) {
41 if (log.isInfoEnabled()) {
42 log.info(LogUtils.getTTPath(state));
43 }
44 }
45
46 /***
47 * @see SCXMLListener#onExit(TransitionTarget)
48 */
49 public void onExit(final TransitionTarget state) {
50 if (log.isInfoEnabled()) {
51 log.info(LogUtils.getTTPath(state));
52 }
53 }
54
55 /***
56 * @see SCXMLListener#onTransition(TransitionTarget,TransitionTarget,Transition)
57 */
58 public void onTransition(final TransitionTarget from,
59 final TransitionTarget to, final Transition transition) {
60 if (log.isInfoEnabled()) {
61 log.info(LogUtils.transToString(from, to, transition));
62 }
63 }
64
65 }
66