Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/ReportGenerator.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> |
---|---|
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.IOException; import java.io.OutputStream; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.artifactdatabase.state.ArtifactAndFacet; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.Settings; import org.dive4elements.river.artifacts.model.Calculation; import org.dive4elements.river.collections.D4EArtifactCollection; import org.dive4elements.river.themes.ThemeDocument; import org.w3c.dom.Document; import org.w3c.dom.Element; public class ReportGenerator implements OutGenerator { private static Logger logger = Logger.getLogger(ReportGenerator.class); protected Document result; protected OutputStream out; protected CallContext context; public ReportGenerator() { } @Override public void setup(Element config) { logger.debug("ReportGenerator.setup"); } @Override public void init(Document request, OutputStream out, CallContext context) { logger.debug("init"); this.out = out; this.context = context; result = null; } @Override public void setMasterArtifact(Artifact master) { // not needed } @Override public void setCollection(D4EArtifactCollection collection) { // not needed } @Override public void doOut( ArtifactAndFacet artifactFacet, ThemeDocument attr, boolean visible ) { logger.debug("doOut"); Facet facet = artifactFacet.getFacet(); if (facet != null) { Calculation report = (Calculation) artifactFacet.getData(context); if (result == null) { result = XMLUtils.newDocument(); report.toXML(result, context.getMeta()); } } } @Override public void generate() throws IOException { logger.debug("generate"); XMLUtils.toStream(result != null ? result : XMLUtils.newDocument(), out); } /** * Returns an instance of <i>EmptySettings</i> currently! * * @return an instance of <i>EmptySettings</i>. */ public Settings getSettings() { return new EmptySettings(); } /** * This method is not implemented. Override it in subclasses if those need a * <i>Settings</i> object. */ public void setSettings(Settings settings) { // do nothing } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :