Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSLineArtifact.java @ 2793:6310b1582f2d

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merged flys-artifacts/2.7
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:30 +0200
parents 0ca00d547f35
children c8f670ae96e8
comparison
equal deleted inserted replaced
2548:ada02bbd3b7f 2793:6310b1582f2d
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.Line;
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
25
26 public class WMSLineArtifact extends WMSDBArtifact {
27
28 public static final String NAME = "lines";
29
30
31 private static final Logger logger =
32 Logger.getLogger(WMSLineArtifact.class);
33
34
35 @Override
36 public void setup(
37 String identifier,
38 ArtifactFactory factory,
39 Object context,
40 CallMeta callMeta,
41 Document data)
42 {
43 logger.debug("WMSLineArtifact.setup");
44
45 super.setup(identifier, factory, context, callMeta, data);
46 }
47
48
49 @Override
50 public String getName() {
51 return NAME;
52 }
53
54
55 @Override
56 public State getCurrentState(Object cc) {
57 State s = new LineState(this);
58
59 List<Facet> fs = facets.get(getCurrentStateId());
60
61 DefaultOutput o = new DefaultOutput(
62 "floodmap",
63 "floodmap",
64 "image/png",
65 fs,
66 "map");
67
68 s.getOutputs().add(o);
69
70 return s;
71 }
72
73
74 public static class LineState extends WMSDBState implements FacetTypes
75 {
76 private static final Logger logger =
77 Logger.getLogger(LineState.class);
78
79 protected int riverId;
80
81 public LineState(WMSDBArtifact artifact) {
82 super(artifact);
83 riverId = 0;
84 }
85
86 public int getRiverId() {
87 if (riverId == 0) {
88 String ids = artifact.getDataAsString("ids");
89 String[] parts = ids.split(";");
90
91 try {
92 riverId = Integer.valueOf(parts[0]);
93 }
94 catch (NumberFormatException nfe) {
95 logger.error("Cannot parse river id from '" + parts[0] + "'");
96 }
97 }
98
99 return riverId;
100 }
101
102 @Override
103 protected String getFacetType() {
104 return FLOODMAP_LINES;
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 List<Line> lines = Line.getLines(getRiverId(), getName());
121
122 Envelope max = null;
123
124 for (Line l: lines) {
125 Envelope env = l.getGeom().getEnvelopeInternal();
126
127 if (max == null) {
128 max = env;
129 continue;
130 }
131
132 max.expandToInclude(env);
133 }
134
135 return max;
136 }
137
138 @Override
139 protected String getFilter() {
140 return "river_id=" + String.valueOf(getRiverId()) +
141 " AND name='" + getName() + "'";
142 }
143
144 @Override
145 protected String getDataString() {
146 String srid = getSrid();
147
148 if (FLYSUtils.isUsingOracle()) {
149 return "geom FROM lines USING SRID " + srid;
150 }
151 else {
152 return "geom FROM lines USING UNIQUE id USING SRID " + srid;
153 }
154 }
155
156 @Override
157 protected String getGeometryType() {
158 return "LINE";
159 }
160 } // end of WMSKmState
161 }
162 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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