Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/transition/ValueCompareTransition.java @ 337:a887074460b6
Last Step of the Refactoring Work on the Transition Model.
Splitted Businesslogic between States and Transitions.
Splitted the ConfigurationElements of State and Transition in several XML-Fragments.
gnv-artifacts/trunk@403 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Tim Englich <tim.englich@intevation.de> |
|---|---|
| date | Tue, 08 Dec 2009 13:38:21 +0000 |
| parents | |
| children | 9a828e5a2390 |
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| 336:1b9ca0f2d498 | 337:a887074460b6 |
|---|---|
| 1 /** | |
| 2 * | |
| 3 */ | |
| 4 package de.intevation.gnv.transition; | |
| 5 | |
| 6 import java.util.Iterator; | |
| 7 | |
| 8 import org.apache.log4j.Logger; | |
| 9 import org.w3c.dom.Node; | |
| 10 | |
| 11 import de.intevation.artifactdatabase.Config; | |
| 12 import de.intevation.gnv.state.InputData; | |
| 13 import de.intevation.gnv.state.State; | |
| 14 import de.intevation.gnv.state.exception.StateException; | |
| 15 | |
| 16 /** | |
| 17 * @author Tim Englich <tim.englich@intevation.de> | |
| 18 * | |
| 19 */ | |
| 20 public class ValueCompareTransition extends TransitionBase { | |
| 21 | |
| 22 /** | |
| 23 * the logger, used to log exceptions and additonaly information | |
| 24 */ | |
| 25 private static Logger log = Logger.getLogger(ValueCompareTransition.class); | |
| 26 | |
| 27 private String dataName = null; | |
| 28 private String dataValue = null; | |
| 29 private String operator = null; | |
| 30 | |
| 31 /** | |
| 32 * The UID of this Class. | |
| 33 */ | |
| 34 private static final long serialVersionUID = -7846722158776823205L; | |
| 35 | |
| 36 /** | |
| 37 * Constructor | |
| 38 */ | |
| 39 public ValueCompareTransition() { | |
| 40 super(); | |
| 41 } | |
| 42 | |
| 43 /** | |
| 44 * @see de.intevation.gnv.transition.Transition#isValid(de.intevation.gnv.state.State) | |
| 45 */ | |
| 46 public boolean isValid(State state) { | |
| 47 | |
| 48 try { | |
| 49 Iterator<InputData> it = state.getInputData().iterator(); | |
| 50 while (it.hasNext()){ | |
| 51 InputData inputData = it.next(); | |
| 52 if (inputData.getName().equals(this.dataName)){ | |
| 53 boolean returnValue = false; | |
| 54 if (operator.equals("equal")){ | |
| 55 returnValue = this.dataValue.equals(inputData.getValue()); | |
| 56 }else if (operator.equals("notequal")){ | |
| 57 returnValue = !this.dataValue.equals(inputData.getValue()); | |
| 58 } | |
| 59 return returnValue; | |
| 60 } | |
| 61 } | |
| 62 if (operator.equals("notequal")){ | |
| 63 // data is not given. So the constraint not Equals is fullfilled. | |
| 64 return true; | |
| 65 } | |
| 66 } catch (StateException e) { | |
| 67 log.error(e,e); | |
| 68 return false; | |
| 69 } | |
| 70 return false; | |
| 71 } | |
| 72 | |
| 73 @Override | |
| 74 public void setup(Node configuration) { | |
| 75 super.setup(configuration); | |
| 76 this.dataName = Config.getStringXPath(configuration,"condition/@inputvalue"); | |
| 77 this.dataValue = Config.getStringXPath(configuration,"condition/@value"); | |
| 78 this.operator = Config.getStringXPath(configuration,"condition/@operator"); | |
| 79 } | |
| 80 | |
| 81 | |
| 82 } |