Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodplainArtifact.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 b24920235944
children b0ba96bbf01d
comparison
equal deleted inserted replaced
2987:98c7a46ec5ae 3318:dbe2f85bf160
1 package de.intevation.flys.artifacts;
2
3 import java.util.List;
4
5 import org.w3c.dom.Document;
6
7 import org.apache.log4j.Logger;
8
9 import com.vividsolutions.jts.geom.Envelope;
10
11 import de.intevation.artifacts.ArtifactFactory;
12 import de.intevation.artifacts.CallMeta;
13
14 import de.intevation.artifactdatabase.state.DefaultOutput;
15 import de.intevation.artifactdatabase.state.Facet;
16 import de.intevation.artifactdatabase.state.State;
17
18 import de.intevation.flys.model.Floodplain;
19 import de.intevation.flys.model.River;
20
21 import de.intevation.flys.artifacts.model.FacetTypes;
22 import de.intevation.flys.artifacts.model.RiverFactory;
23 import de.intevation.flys.utils.FLYSUtils;
24 import de.intevation.flys.utils.GeometryUtils;
25
26
27 public class WMSFloodplainArtifact extends WMSDBArtifact {
28
29 public static final String NAME = "floodplain";
30
31
32 private static final Logger logger =
33 Logger.getLogger(WMSFloodplainArtifact.class);
34
35
36 @Override
37 public void setup(
38 String identifier,
39 ArtifactFactory factory,
40 Object context,
41 CallMeta callMeta,
42 Document data)
43 {
44 logger.debug("WMSFloodplainArtifact.setup");
45
46 super.setup(identifier, factory, context, callMeta, data);
47 }
48
49
50 @Override
51 public String getName() {
52 return NAME;
53 }
54
55
56 @Override
57 public State getCurrentState(Object cc) {
58 State s = new FloodplainState(this);
59
60 List<Facet> fs = facets.get(getCurrentStateId());
61
62 DefaultOutput o = new DefaultOutput(
63 "floodmap",
64 "floodmap",
65 "image/png",
66 fs,
67 "map");
68
69 s.getOutputs().add(o);
70
71 return s;
72 }
73
74
75 public static class FloodplainState extends WMSDBState implements FacetTypes
76 {
77 private static final Logger logger =
78 Logger.getLogger(FloodplainState.class);
79
80 protected int riverId;
81
82 public FloodplainState(WMSDBArtifact artifact) {
83 super(artifact);
84 riverId = 0;
85 }
86
87 public int getRiverId() {
88 if (riverId == 0) {
89 String ids = artifact.getDataAsString("ids");
90
91 try {
92 riverId = Integer.valueOf(ids);
93 }
94 catch (NumberFormatException nfe) {
95 logger.error("Cannot parse river id from '" + ids + "'");
96 }
97 }
98
99 return riverId;
100 }
101
102 protected River getRiver() {
103 return RiverFactory.getRiver(getRiverId());
104 }
105
106 @Override
107 protected String getFacetType() {
108 return FLOODMAP_FLOODPLAIN;
109 }
110
111 @Override
112 protected String getUrl() {
113 return FLYSUtils.getUserWMSUrl(artifact.identifier());
114 }
115
116 @Override
117 protected String getSrid() {
118 River river = getRiver();
119 return FLYSUtils.getRiverSrid(river.getName());
120 }
121
122 @Override
123 protected Envelope getExtent() {
124 River river = getRiver();
125 Floodplain plain = Floodplain.getFloodplain(river.getName());
126
127 return GeometryUtils.transform(
128 plain.getGeom().getEnvelopeInternal(),
129 getSrid());
130 }
131
132 @Override
133 protected String getFilter() {
134 return "river_id=" + String.valueOf(getRiverId());
135 }
136
137 @Override
138 protected String getDataString() {
139 String srid = getSrid();
140
141 if (FLYSUtils.isUsingOracle()) {
142 return "geom FROM floodplain USING SRID " + srid;
143 }
144 else {
145 return "geom FROM floodplain USING UNIQUE id USING SRID " +srid;
146 }
147 }
148
149 @Override
150 protected String getGeometryType() {
151 return "POLYGON";
152 }
153 } // end of WMSKmState
154 }
155 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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