Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/ATExporter.java @ 7076:7f600001c807 generator-refactoring
Add LTR inversion code to diagram generator.
This code is used in serveral diagrams and as it modifies a
whole diagram it should be central. (This should also make
maintenance easier). This function can be called by processors
to make sure that their data is plotted with an LTR waterflow.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Fri, 20 Sep 2013 16:33:22 +0200 |
parents | 5c6fd2c010dd |
children | 0a337f0005c2 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.exports; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.IOException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifactdatabase.state.ArtifactAndFacet; import org.dive4elements.artifactdatabase.state.Settings; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.model.WQ; import org.dive4elements.river.collections.D4EArtifactCollection; import org.dive4elements.river.model.Gauge; import org.dive4elements.river.model.River; import org.dive4elements.river.model.TimeInterval; import org.dive4elements.river.themes.ThemeDocument; import org.dive4elements.river.utils.RiverUtils; import org.dive4elements.river.artifacts.access.RangeAccess; public class ATExporter implements OutGenerator { private static Logger logger = Logger.getLogger(ATExporter.class); public static final String DEFAULT_ENCODING = "UTF-8"; protected WQ data; protected CallContext context; protected OutputStream out; protected D4EArtifact master; protected D4EArtifactCollection collection; public ATExporter() { } @Override public void setup(Element config) { logger.debug("ATExporter.setup"); } @Override public void init(Document request, OutputStream out, CallContext context) { this.context = context; this.out = out; } @Override public void setMasterArtifact(Artifact master) { this.master = (D4EArtifact) master; } @Override public void setCollection(D4EArtifactCollection collection) { this.collection = collection; } @Override public void doOut( ArtifactAndFacet artifactf, ThemeDocument attr, boolean visible ) { data = (WQ)artifactf.getData(context); } @Override public void generate() throws IOException { if (data == null) { logger.debug("no W/Q data"); return; } River river = RiverUtils.getRiver(master); RangeAccess rangeAccess = new RangeAccess(master); double[] kms = rangeAccess.getLocations(); Gauge gauge = river.determineGaugeByPosition(kms[0]); if (Math.abs(kms[0] - gauge.getStation().doubleValue()) < 1e-4) { // at gauge. TimeInterval interval = gauge.fetchMasterDischargeTable().getTimeInterval(); ATWriter.write( data, new OutputStreamWriter(out, DEFAULT_ENCODING), context.getMeta(), river.getName(), kms[0], gauge.getName(), gauge.getDatum(), interval.getStartTime(), river.getWstUnit().getName()); } else { // at km ATWriter.write( data, new OutputStreamWriter(out), context.getMeta(), river.getName(), kms[0], null, null, null, river.getWstUnit().getName()); } } /** * Returns an instance of <i>EmptySettings</i> currently! * * @return an instance of <i>EmptySettings</i>. */ @Override public Settings getSettings() { return new EmptySettings(); } /** * This method is not implemented! * * @param settings A settings object. */ @Override public void setSettings(Settings settings) { // do nothing here } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :