Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/injector/DischargeInjector.java @ 8282:b5bef15c982e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Avoid NPE in discharge context injector if no start km was set.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 17 Sep 2014 09:03:39 +0200
parents c7ca9c228314
children 10917ec29625
rev   line source
8251
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
1 package org.dive4elements.river.exports.injector;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
2
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
3 import org.apache.log4j.Logger;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
4 import org.dive4elements.artifacts.Artifact;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
5 import org.dive4elements.artifacts.CallContext;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
6 import org.dive4elements.artifacts.ContextInjector;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
7 import org.dive4elements.river.artifacts.D4EArtifact;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
8 import org.dive4elements.river.artifacts.access.RangeAccess;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
9 import org.dive4elements.river.model.Gauge;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
10 import org.w3c.dom.Document;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
11 import org.w3c.dom.Element;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
12
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
13 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
14 import static org.dive4elements.river.exports.injector.InjectorConstants.GAUGE_EPSILON;;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
15
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
16
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
17 public class DischargeInjector
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
18 implements ContextInjector
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
19 {
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
20
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
21 private static Logger log = Logger.getLogger(DischargeInjector.class);
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
22
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
23 @Override
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
24 public void setup(Element cfg) {
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
25 }
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
26
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
27 @Override
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
28 public void injectContext(CallContext ctx, Artifact artifact, Document doc) {
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
29 RangeAccess access = new RangeAccess((D4EArtifact)artifact);
8282
b5bef15c982e Avoid NPE in discharge context injector if no start km was set.
Raimund Renkert <rrenkert@intevation.de>
parents: 8251
diff changeset
30 if (!access.hasFrom()) {
b5bef15c982e Avoid NPE in discharge context injector if no start km was set.
Raimund Renkert <rrenkert@intevation.de>
parents: 8251
diff changeset
31 return;
b5bef15c982e Avoid NPE in discharge context injector if no start km was set.
Raimund Renkert <rrenkert@intevation.de>
parents: 8251
diff changeset
32 }
8251
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
33 double km = access.getFrom();
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
34 Gauge gauge = access.getRiver().determineGaugeByStation(
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
35 km - GAUGE_EPSILON, km + GAUGE_EPSILON);
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
36 if (gauge == null) {
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
37 log.error("No Gauge could be found at station " + km + "!");
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
38 return;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
39 }
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
40 ctx.putContextValue(CURRENT_KM, km);
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
41 }
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
42
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
43 }
http://dive4elements.wald.intevation.org