Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ATExporter.java @ 730:97d774d58e24

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Added exporter for AT facets. flys-artifacts/trunk@2220 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 23 Jun 2011 16:45:48 +0000
parents
children 7d11ad5a52d5
rev   line source
730
97d774d58e24 Added exporter for AT facets.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.exports;
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2
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3 import java.io.OutputStream;
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4 import java.io.OutputStreamWriter;
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5 import java.io.IOException;
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6
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7 import org.w3c.dom.Document;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import de.intevation.artifacts.Artifact;
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12 import de.intevation.artifacts.CallContext;
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13
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14 import de.intevation.flys.artifacts.FLYSArtifact;
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15
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16 import de.intevation.artifactdatabase.state.Facet;
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17
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18 import de.intevation.flys.artifacts.model.WQ;
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19
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20 public class ATExporter
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21 implements OutGenerator
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22 {
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23 private static Logger logger = Logger.getLogger(ATExporter.class);
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24
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25 public static final String DEFAULT_ENCODING = "UTF-8";
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26
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27 protected WQ data;
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28 protected CallContext context;
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29 protected OutputStream out;
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30
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31 public ATExporter() {
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32 }
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33
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34 @Override
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35 public void init(Document request, OutputStream out, CallContext context) {
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36 this.context = context;
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37 this.out = out;
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38 }
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39
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40 @Override
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41 public void setMasterArtifact(Artifact master) {
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42 // not needed
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43 }
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44
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45 @Override
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46 public void doOut(Artifact artifact, Facet facet, Document attr) {
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47
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48 FLYSArtifact flys = (FLYSArtifact)artifact;
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49
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50 if ((facet = flys.getNativeFacet(facet)) == null) {
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51 logger.debug("native facet not found.");
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52 return;
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53 }
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54
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55 data = (WQ)facet.getData(flys, context);
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56 }
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57
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58 @Override
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59 public void generate() throws IOException {
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60
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61 if (data == null) {
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62 logger.debug("no W/Q data");
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63 return;
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64 }
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65
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66 ATWriter at;
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67 try {
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68 at = new ATWriter(data);
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69 }
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70 catch (IllegalArgumentException iae) {
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71 logger.error("creating ATWriter failed", iae);
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72 throw new IOException(iae);
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73 }
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74
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75 at.write(new OutputStreamWriter(out, DEFAULT_ENCODING));
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76 }
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77 }
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78 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org