Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionFactory.java @ 813:79c1db3ca7cc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added some more javadocs. gnv-artifacts/trunk@897 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 09 Apr 2010 13:09:25 +0000
parents c4156275c1e1
children 7e5995c47125
rev   line source
337
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.transition;
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
2
779
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 778
diff changeset
3 import de.intevation.gnv.artifacts.GNVArtifactBase;
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 778
diff changeset
4
337
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
5 import org.apache.log4j.Logger;
779
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 778
diff changeset
6
337
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
7 import org.w3c.dom.Node;
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
8
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
9 /**
780
c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 779
diff changeset
10 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 337
diff changeset
11 *
337
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
12 */
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
13 public class TransitionFactory {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
14
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
15 /**
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
16 * the logger, used to log exceptions and additonaly information
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
17 */
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
18 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
19
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
20 private static TransitionFactory instance = null;
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
21
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
22 /**
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
23 * Constructor
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
24 */
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
25 public TransitionFactory() {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
26 super();
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
27 }
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
28
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
29 public static TransitionFactory getInstance() {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
30 if (instance == null) {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
31 instance = new TransitionFactory();
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
32 }
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
33 return instance;
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
34 }
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
35
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
36 public Transition createTransition(Node configuration) {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
37 log.debug("TransitionFactory.createTransition");
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
38 Transition state = null;
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
39 try {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
40 String classname = ((org.w3c.dom.Element)configuration).getAttribute("transition");
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
41 state = (Transition) (Class.forName(classname).newInstance());
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
42 state.setup(configuration);
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
43 } catch (InstantiationException e) {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
44 log.error(e, e);
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
45 } catch (IllegalAccessException e) {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
46 log.error(e, e);
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
47 } catch (ClassNotFoundException e) {
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
48 log.error(e, e);
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
49 }
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
50 return state;
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
51 }
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
52 }
813
79c1db3ca7cc Added some more javadocs.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
53 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org