Mercurial > dive4elements > river

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

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merged flys-artifacts/2.8.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:39 +0200
parents b0ba96bbf01d
children 2fdbe78a8fc2
comparison
equal deleted inserted replaced
3387:5ffad8bde8ad 3468:f37e7e8907cb
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.River;
19 import de.intevation.flys.model.CrossSectionTrack;
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 WMSQPSArtifact extends WMSDBArtifact {
28
29 public static final String NAME = "qps";
30
31
32 private static final Logger logger =
33 Logger.getLogger(WMSQPSArtifact.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("WMSQPSArtifact.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 WMSQPSState(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 WMSQPSState extends WMSDBState implements FacetTypes {
76
77 private static final Logger logger =
78 Logger.getLogger(WMSQPSState.class);
79
80 protected int riverId;
81
82 public WMSQPSState(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.parseInt(ids);
93 }
94 catch (NumberFormatException nfe) {
95 logger.error("Cannot parse river id from '" + ids + "'");
96 }
97 }
98
99 return riverId;
100 }
101
102 @Override
103 protected String getFacetType() {
104 return FLOODMAP_QPS;
105 }
106
107 @Override
108 protected String getUrl() {
109 return FLYSUtils.getUserWMSUrl(artifact.identifier());
110 }
111
112 @Override
113 protected String getSrid() {
114 River river = RiverFactory.getRiver(getRiverId());
115 return FLYSUtils.getRiverSrid(river.getName());
116 }
117
118 @Override
119 protected Envelope getExtent() {
120 River river = RiverFactory.getRiver(getRiverId());
121
122 List<CrossSectionTrack> qps =
123 CrossSectionTrack.getCrossSectionTrack(river.getName());
124
125 Envelope max = null;
126
127 for (CrossSectionTrack qp: qps) {
128 Envelope env = qp.getGeom().getEnvelopeInternal();
129
130 if (max == null) {
131 max = env;
132 continue;
133 }
134
135 max.expandToInclude(env);
136 }
137
138 return max != null
139 ? GeometryUtils.transform(max, getSrid())
140 : max;
141 }
142
143 @Override
144 protected String getFilter() {
145 return "river_id=" + String.valueOf(getRiverId());
146 }
147
148 @Override
149 protected String getDataString() {
150 String srid = getSrid();
151
152 if (FLYSUtils.isUsingOracle()) {
153 return "geom FROM cross_section_tracks USING SRID " + srid;
154 }
155 else {
156 return "geom FROM cross_section_tracks " +
157 "USING UNIQUE id USING SRID " + srid;
158 }
159 }
160
161 @Override
162 protected String getGeometryType() {
163 return "LINE";
164 }
165 } // end of WMSQPSState
166 }
167 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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