comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionWaterLineFacet.java @ 3468:f37e7e8907cb

merged flys-artifacts/2.8.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:39 +0200
parents 31168ac9c7e7
children 6153c50f78cf
comparison
equal deleted inserted replaced
3387:5ffad8bde8ad 3468:f37e7e8907cb
1 package de.intevation.flys.artifacts.model;
2
3 import org.apache.log4j.Logger;
4
5 import java.util.List;
6
7 import de.intevation.artifacts.Artifact;
8 import de.intevation.artifacts.CallContext;
9 import de.intevation.artifacts.DataProvider;
10
11 import de.intevation.artifactdatabase.state.Facet;
12
13 import de.intevation.flys.artifacts.WaterLineArtifact;
14
15 import de.intevation.flys.model.FastCrossSectionLine;
16
17 import de.intevation.flys.artifacts.geom.Lines;
18
19
20 /**
21 * Facet for Waterlines in Cross Sections.
22 */
23 public class CrossSectionWaterLineFacet
24 extends BlackboardDataFacet
25 implements FacetTypes {
26
27 /** Private logger to use. */
28 private static Logger logger =
29 Logger.getLogger(CrossSectionWaterLineFacet.class);
30
31
32 /** Trivial constructor, set (maybe localized) description. */
33 public CrossSectionWaterLineFacet(int idx, String description) {
34 super(idx, CROSS_SECTION_WATER_LINE, description);
35 }
36
37
38 /**
39 * Trivial constructor, set (maybe localized) description.
40 * @param idx Index of this facet.
41 * @param name 'type' of this facet.
42 * @param description (maybe) localized user-visible description.
43 */
44 public CrossSectionWaterLineFacet(int idx, String name, String description) {
45 super(idx, name, description);
46 }
47
48
49 /**
50 * Gets waterline (crossed with cross section) of waterlevel.
51 */
52 public Object getData(Artifact artifact, CallContext context) {
53 logger.debug("Get data for cross section water line");
54
55 List<DataProvider> providers = context.
56 getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA);
57 if (providers.size() < 1) {
58 logger.warn("Could not find Cross-Section data provider.");
59 return new Lines.LineData(new double[][] {}, 0d, 0d);
60 }
61
62 Object crossSection = providers.get(0)
63 .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA,
64 null, context);
65 Object nextKm = providers.get(0).
66 provideData(CrossSectionFacet.BLACKBOARD_CS_NEXT_KM, null, context);
67 Object prevKm = providers.get(0).
68 provideData(CrossSectionFacet.BLACKBOARD_CS_PREV_KM, null, context);
69 if (prevKm == null)
70 prevKm = new Double(-1d);
71 if (nextKm == null)
72 nextKm = new Double(-1d);
73
74 WaterLineArtifact lineArtifact = (WaterLineArtifact) artifact;
75
76 if (crossSection != null) {
77 return lineArtifact.getWaterLines(this.getIndex(),
78 (FastCrossSectionLine) crossSection, (Double) nextKm, (Double) prevKm);
79 }
80 else {
81 return new Lines.LineData(new double[][] {}, 0d,0d);
82 }
83 }
84
85
86 /** Do a deep copy. */
87 @Override
88 public Facet deepCopy() {
89 CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet(
90 this.getIndex(),
91 this.description);
92 copy.set(this);
93 return copy;
94 }
95 }
96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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