Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/AreaFacet.java @ 3318:dbe2f85bf160

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merged flys-artifacts/2.8
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:35 +0200
parents 5642a83420f2
children a66df8e8d3df
comparison
equal deleted inserted replaced
2987:98c7a46ec5ae 3318:dbe2f85bf160
1 package de.intevation.flys.artifacts.model;
2
3 import java.util.List;
4
5 import org.apache.log4j.Logger;
6
7 import de.intevation.artifacts.Artifact;
8 import de.intevation.artifacts.CallContext;
9
10 import de.intevation.artifactdatabase.state.DefaultFacet;
11 import de.intevation.artifactdatabase.state.Facet;
12
13 import de.intevation.artifacts.DataProvider;
14
15 import de.intevation.flys.artifacts.AreaArtifact;
16
17
18 /**
19 * Trival Facet for areas.
20 * Note that this Facet comes in two "types" (names):
21 * <ul>
22 * <li>CROSS_SECTION_AREA (cross_section.area) and</li>
23 * <li>LONGITUDINAL_SECTION_AREA (longitudinal.area</li>
24 * </ul>
25 * This is to support different diagram types without being painted in both
26 * at the same time. The name has to be given when constructing.
27 */
28 public class AreaFacet
29 extends DefaultFacet
30 implements FacetTypes {
31
32 private static Logger logger = Logger.getLogger(AreaFacet.class);
33
34 /**
35 * Constructor, set (maybe localized) description and name.
36 * @param idx Index given when querying artifact for data.
37 * @param name important to discern areas in different diagram types.
38 */
39 public AreaFacet(int idx, String name, String description) {
40 super(idx, name, description);
41 }
42
43
44 /**
45 * Gets Cross Section (profile).
46 * @param art artifact to get data from.
47 * @param context ignored
48 */
49 public Object getData(Artifact art, CallContext context) {
50 logger.debug("Get data for area.");
51
52 // Get information from artifact about which
53 // info to grab from blackboard.
54 //
55 // All compatible facets should provide their data
56 // under the key (Artifact-UUID + Facet-Index).
57 AreaArtifact artifact = (AreaArtifact) art;
58 Object lowerData = null;
59 Object upperData = null;
60 String stemFacetName = null;
61
62 List<DataProvider> providers = context.
63 getDataProvider(artifact.getLowerDPKey());
64 if (providers.size() < 1) {
65 logger.warn("No 'lower' provider given for area [" +
66 artifact.getLowerDPKey() + "]");
67 }
68 else {
69 lowerData = providers.get(0).provideData(
70 artifact.getLowerDPKey(), null, context);
71 logger.debug("'Lower' data provider key for area [" +
72 artifact.getLowerDPKey() + "]");
73 stemFacetName = artifact.getLowerDPKey().split(":")[1];
74 }
75
76 providers = context.getDataProvider(artifact.getUpperDPKey());
77 if (providers.size() < 1) {
78 logger.warn("No 'upper' provider given for area [" +
79 artifact.getUpperDPKey() + "]");
80 }
81 else {
82 upperData = providers.get(0).provideData(
83 artifact.getUpperDPKey(), null, context);
84 logger.debug("'Upper' data provider key for area [" +
85 artifact.getUpperDPKey() + "]");
86 if (stemFacetName == null) {
87 stemFacetName = artifact.getUpperDPKey().split(":")[1];
88 }
89 }
90
91 if (upperData == null && lowerData == null) {
92 logger.warn("Not given 'upper' and 'lower' for area");
93 }
94
95 return new Data(stemFacetName, lowerData, upperData,
96 Boolean.valueOf(artifact.getPaintBetween()));
97 }
98
99
100 /** Do a deep copy. */
101 @Override
102 public Facet deepCopy() {
103 AreaFacet copy = new AreaFacet(this.index, this.name, this.description);
104 copy.set(this);
105 return copy;
106 }
107
108 /** Result data bundle. */
109 public class Data {
110 protected String rootFacetName;
111 protected Object upperData;
112 protected Object lowerData;
113 protected boolean doPaintBetween;
114
115 /** Create a new result data bundle. */
116 public Data(String rootName, Object low, Object up, boolean between) {
117 this.rootFacetName = rootName;
118 this.lowerData = low;
119 this.upperData = up;
120 this.doPaintBetween = between;
121 }
122
123 /** Get name of a facet that is involved in area generation
124 * to induce type (e.g. longitudinal_section.w -> "W over km"). */
125 public String getRootFacetName() {
126 return this.rootFacetName;
127 }
128
129 /** Get data for 'upper' curve of area. */
130 public Object getUpperData() {
131 return this.upperData;
132 }
133
134 /** Get data for 'lower' curve of area. */
135 public Object getLowerData() {
136 return this.lowerData;
137 }
138
139 /** Whether to fill whole area between (in contrast to 'under'
140 * or 'over'). */
141 public boolean doPaintBetween() {
142 return this.doPaintBetween;
143 }
144 }
145 }
146 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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