Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/StateFactory.java @ 450:20a480753ff9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Render labels in vertical cross section charts. gnv-artifacts/trunk@498 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 04 Jan 2010 02:49:42 +0000
parents e964a3d8f7bc
children 9a828e5a2390
rev   line source
335
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
1 /**
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
2 *
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
3 */
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
4 package de.intevation.gnv.state;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
5
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
6 import org.apache.log4j.Logger;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
7 import org.w3c.dom.Node;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
8
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
9 import de.intevation.gnv.artifacts.GNVArtifactBase;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
10
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
11 /**
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
12 * @author Tim Englich <tim.englich@intevation.de>
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
13 *
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
14 */
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
15 public class StateFactory {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
16
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
17 /**
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
18 * the logger, used to log exceptions and additonaly information
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
19 */
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
20 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
21
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
22 private static StateFactory instance = null;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
23
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
24 /**
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
25 * Constructor
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
26 */
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
27 public StateFactory() {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
28 super();
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
29 }
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
30
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
31 public static StateFactory getInstance() {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
32 if (instance == null) {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
33 instance = new StateFactory();
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
34 }
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
35 return instance;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
36 }
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
37
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
38 public State createState(Node configuration) {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
39 log.debug("StateFactory.createState");
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
40 State state = null;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
41 try {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
42 String classname = ((org.w3c.dom.Element)configuration).getAttribute("state");
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
43 state = (State) (Class.forName(classname).newInstance());
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
44 state.setup(configuration);
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
45 } catch (InstantiationException e) {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
46 log.error(e, e);
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
47 } catch (IllegalAccessException e) {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
48 log.error(e, e);
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
49 } catch (ClassNotFoundException e) {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
50 log.error(e, e);
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
51 }
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
52 return state;
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
53 }
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
54
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
55 }
http://dive4elements.wald.intevation.org