Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/org/dive4elements/river/exports/ATExporter.java @ 5831:bd047b71ab37

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Repaired internal references
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 12:06:39 +0200
parents flys-artifacts/src/main/java/de/intevation/flys/exports/ATExporter.java@64139914e446
children
comparison
equal deleted inserted replaced
5830:160f53ee0870 5831:bd047b71ab37
1 package org.dive4elements.river.exports;
2
3 import java.io.OutputStream;
4 import java.io.OutputStreamWriter;
5 import java.io.IOException;
6
7 import org.w3c.dom.Document;
8
9 import org.apache.log4j.Logger;
10
11 import org.dive4elements.artifacts.Artifact;
12 import org.dive4elements.artifacts.CallContext;
13
14 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
15 import org.dive4elements.artifactdatabase.state.Settings;
16
17 import org.dive4elements.river.artifacts.FLYSArtifact;
18
19 import org.dive4elements.river.artifacts.model.WQ;
20 import org.dive4elements.river.collections.FLYSArtifactCollection;
21
22 import org.dive4elements.river.model.Gauge;
23 import org.dive4elements.river.model.River;
24 import org.dive4elements.river.model.TimeInterval;
25 import org.dive4elements.river.utils.FLYSUtils;
26 import org.dive4elements.river.artifacts.access.RangeAccess;
27
28 public class ATExporter
29 implements OutGenerator
30 {
31 private static Logger logger = Logger.getLogger(ATExporter.class);
32
33 public static final String DEFAULT_ENCODING = "UTF-8";
34
35 protected WQ data;
36 protected CallContext context;
37 protected OutputStream out;
38 protected FLYSArtifact master;
39
40 protected FLYSArtifactCollection collection;
41
42
43 public ATExporter() {
44 }
45
46 @Override
47 public void init(Document request, OutputStream out, CallContext context) {
48 this.context = context;
49 this.out = out;
50 }
51
52
53 @Override
54 public void setMasterArtifact(Artifact master) {
55 this.master = (FLYSArtifact) master;
56 }
57
58 @Override
59 public void setCollection(FLYSArtifactCollection collection) {
60 this.collection = collection;
61 }
62
63 @Override
64 public void doOut(
65 ArtifactAndFacet artifactf,
66 Document attr,
67 boolean visible
68 ) {
69 data = (WQ)artifactf.getData(context);
70 }
71
72 @Override
73 public void generate() throws IOException {
74
75 if (data == null) {
76 logger.debug("no W/Q data");
77 return;
78 }
79
80 ATWriter at;
81 try {
82 at = new ATWriter(data);
83 }
84 catch (IllegalArgumentException iae) {
85 logger.error("creating ATWriter failed", iae);
86 throw new IOException(iae);
87 }
88
89 River river = FLYSUtils.getRiver(master);
90 RangeAccess rangeAccess = new RangeAccess(master, context);
91 double[] kms = rangeAccess.getLocations();
92
93 Gauge gauge = river.determineGaugeByPosition(kms[0]);
94 if (Math.abs(kms[0] - gauge.getStation().doubleValue()) < 1e-4) {
95 // at gauge.
96 TimeInterval interval =
97 gauge.fetchMasterDischargeTable().getTimeInterval();
98 at.write(
99 new OutputStreamWriter(out, DEFAULT_ENCODING),
100 context.getMeta(),
101 river.getName(),
102 kms[0],
103 gauge.getName(),
104 gauge.getDatum(),
105 interval.getStartTime(),
106 100d);
107 }
108 else {
109 // at km
110 at.write(
111 new OutputStreamWriter(out),
112 context.getMeta(),
113 river.getName(),
114 kms[0],
115 null,
116 null,
117 null,
118 0d);
119 }
120
121 }
122
123
124 /**
125 * Returns an instance of <i>EmptySettings</i> currently!
126 *
127 * @return an instance of <i>EmptySettings</i>.
128 */
129 @Override
130 public Settings getSettings() {
131 return new EmptySettings();
132 }
133
134
135 /**
136 * This method is not implemented!
137 *
138 * @param settings A settings object.
139 */
140 @Override
141 public void setSettings(Settings settings) {
142 // do nothing here
143 }
144 }
145 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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