teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.exports;
sascha@710: 
sascha@710: import java.io.IOException;
sascha@710: import java.io.OutputStream;
sascha@710: 
sascha@710: import org.apache.log4j.Logger;
sascha@710: 
teichmann@5831: import org.dive4elements.artifacts.Artifact;
teichmann@5831: import org.dive4elements.artifacts.CallContext;
sascha@710: 
teichmann@5831: import org.dive4elements.artifacts.common.utils.XMLUtils;
sascha@710: 
teichmann@5831: import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
teichmann@5831: import org.dive4elements.artifactdatabase.state.Facet;
teichmann@5831: import org.dive4elements.artifactdatabase.state.Settings;
teichmann@5831: 
teichmann@5831: import org.dive4elements.river.artifacts.model.Calculation;
teichmann@5867: import org.dive4elements.river.collections.D4EArtifactCollection;
teichmann@6905: import org.dive4elements.river.themes.ThemeDocument;
sascha@710: 
sascha@710: import org.w3c.dom.Document;
teichmann@7037: import org.w3c.dom.Element;
sascha@710: 
sascha@710: public class ReportGenerator
sascha@742: implements   OutGenerator
sascha@710: {
sascha@710:     private static Logger logger = Logger.getLogger(ReportGenerator.class);
sascha@710: 
sascha@710:     protected Document     result;
sascha@710:     protected OutputStream out;
sascha@710:     protected CallContext  context;
sascha@710: 
sascha@710:     public ReportGenerator() {
sascha@710:     }
sascha@710: 
sascha@710:     @Override
teichmann@7037:     public void setup(Element config) {
teichmann@7037:         logger.debug("ReportGenerator.setup");
teichmann@7037:     }
teichmann@7037: 
teichmann@7037:     @Override
sascha@710:     public void init(Document request, OutputStream out, CallContext context) {
sascha@710:         logger.debug("init");
sascha@710:         this.out     = out;
sascha@710:         this.context = context;
sascha@2303:         result       = null;
sascha@710:     }
sascha@710: 
sascha@710:     @Override
sascha@710:     public void setMasterArtifact(Artifact master) {
sascha@710:         // not needed
sascha@710:     }
sascha@710: 
sascha@710:     @Override
teichmann@5867:     public void setCollection(D4EArtifactCollection collection) {
ingo@3422:         // not needed
ingo@3422:     }
ingo@3422: 
ingo@3422:     @Override
ingo@1684:     public void doOut(
felix@1944:         ArtifactAndFacet artifactFacet,
teichmann@6905:         ThemeDocument    attr,
felix@1944:         boolean          visible
ingo@1684:     ) {
sascha@710:         logger.debug("doOut");
felix@1944:         Facet facet = artifactFacet.getFacet();
sascha@710:         if (facet != null) {
felix@1944:             Calculation report = (Calculation) artifactFacet.getData(context);
sascha@2303:             if (result == null) {
sascha@2303:                 result = XMLUtils.newDocument();
sascha@2303:                 report.toXML(result, context.getMeta());
sascha@2303:             }
sascha@710:         }
sascha@710:     }
sascha@710: 
sascha@710:     @Override
sascha@710:     public void generate() throws IOException {
sascha@710:         logger.debug("generate");
sascha@2303:         XMLUtils.toStream(result != null
sascha@2303:             ? result
sascha@2303:             : XMLUtils.newDocument(), out);
sascha@710:     }
ingo@1979: 
ingo@1979: 
ingo@1979:     /**
ingo@1979:      * Returns an instance of <i>EmptySettings</i> currently!
ingo@1979:      *
ingo@1979:      * @return an instance of <i>EmptySettings</i>.
ingo@1979:      */
ingo@1979:     public Settings getSettings() {
ingo@1979:         return new EmptySettings();
ingo@1979:     }
ingo@2047: 
ingo@2047: 
ingo@2047:     /**
ingo@2047:      * This method is not implemented. Override it in subclasses if those need a
ingo@2047:      * <i>Settings</i> object.
ingo@2047:      */
ingo@2047:     public void setSettings(Settings settings) {
ingo@2047:         // do nothing
ingo@2047:     }
sascha@710: }
sascha@710: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :