Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/RiverInfoService.java @ 4569:276d9bd3c77d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Workaround for NPE in FloodMapState.
author Christian Lins <christian.lins@intevation.de>
date Tue, 20 Nov 2012 12:53:14 +0100
parents 5da024c2af62
children
rev   line source
4247
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.services;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
2
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
3 import java.math.BigDecimal;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
4
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
5 import org.apache.log4j.Logger;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
6
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
7 import org.w3c.dom.Document;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
8 import org.w3c.dom.Element;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
9
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
10 import de.intevation.artifacts.CallMeta;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
11 import de.intevation.artifacts.GlobalContext;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
12 import de.intevation.artifacts.common.ArtifactNamespaceContext;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
13 import de.intevation.artifacts.common.utils.XMLUtils;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
14
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
15 import de.intevation.flys.artifacts.model.RiverFactory;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
16 import de.intevation.flys.model.River;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
17
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
18 /**
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
19 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
20 */
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
21 public class RiverInfoService extends FLYSService {
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
22
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
23 private static final Logger logger = Logger.getLogger(
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
24 RiverInfoService.class);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
25
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
26 protected static final String RIVER_XPATH = "/art:river/text()";
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
27
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
28 protected XMLUtils.ElementCreator ec;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
29 protected River river;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
30 protected Element riverele;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
31
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
32 protected Document doProcess(
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
33 Document data,
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
34 GlobalContext globalContext,
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
35 CallMeta callMeta
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
36 ) {
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
37 String rivername = XMLUtils.xpathString(
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
38 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
39
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
40 river = RiverFactory.getRiver(rivername);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
41
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
42 Document result = XMLUtils.newDocument();
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
43
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
44 if (river == null) {
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
45 logger.warn("No river with name " + rivername + " found.");
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
46 return null;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
47 }
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
48
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
49 ec = new XMLUtils.ElementCreator(
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
50 result,
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
51 ArtifactNamespaceContext.NAMESPACE_URI,
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
52 ArtifactNamespaceContext.NAMESPACE_PREFIX);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
53
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
54 riverele = ec.create("river-info");
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
55
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
56 double[] minmax = river.determineMinMaxDistance();
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
57 double[] minmaxq = river.determineMinMaxQ();
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
58
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
59 Element r = ec.create("river");
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
60 ec.addAttr(r, "name", river.getName(), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
61 ec.addAttr(r, "start", Double.toString(minmax[0]), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
62 ec.addAttr(r, "end", Double.toString(minmax[1]), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
63 ec.addAttr(r, "wstunit", river.getWstUnit().getName(), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
64 ec.addAttr(r, "kmup", Boolean.toString(river.getKmUp()), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
65 ec.addAttr(r, "minq", Double.toString(minmaxq[0]), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
66 ec.addAttr(r, "maxq", Double.toString(minmaxq[1]), true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
67 ec.addAttr(r, "official", Long.toString(river.getOfficialNumber()),
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
68 true);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
69
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
70 riverele.appendChild(r);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
71 result.appendChild(riverele);
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
72
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
73 return result;
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
74 }
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
75
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
76 /**
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
77 * Returns a Double as String from a BigDecimal value.
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
78 *
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
79 * If value is null an empty String is returned.
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
80 */
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
81 protected static String getStringValue(BigDecimal value) {
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
82 return value != null
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
83 ? Double.toString(value.doubleValue()) : "";
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
84 }
5da024c2af62 Refactor GaugeOverviewInfoService and MeasurementStationInfoService
Björn Ricks <bjoern.ricks@intevation.de>
parents:
diff changeset
85 }
http://dive4elements.wald.intevation.org