Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/fixings/ParametersExporter.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-artifacts/src/main/java/org/dive4elements/river/exports/fixings/ParametersExporter.java@bd047b71ab37
children 4897a58c8746
rev   line source
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1 package org.dive4elements.river.exports.fixings;
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2
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3 import au.com.bytecode.opencsv.CSVWriter;
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4
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5 import org.dive4elements.artifacts.CallContext;
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6
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7 import org.dive4elements.river.artifacts.model.CalculationResult;
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8 import org.dive4elements.river.artifacts.model.Parameters;
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9
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10 import org.dive4elements.river.artifacts.model.fixings.FixAnalysisResult;
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11
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12 import org.dive4elements.river.artifacts.resources.Resources;
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13
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14 import org.dive4elements.river.exports.AbstractExporter;
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15
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16 import java.io.IOException;
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17 import java.io.OutputStream;
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18
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19 import java.text.NumberFormat;
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20
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21 import java.util.ArrayList;
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22 import java.util.List;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import org.w3c.dom.Document;
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27
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28 public class ParametersExporter
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29 extends AbstractExporter
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30 {
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31 private static Logger log = Logger.getLogger(ParametersExporter.class);
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32
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33 protected List<Parameters> parametersList;
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34
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35 @Override
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36 public void init(Document request, OutputStream out, CallContext context) {
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37 log.debug("ParametersExporter.init");
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38 super.init(request, out, context);
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39 parametersList = new ArrayList<Parameters>();
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40 }
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41
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42 @Override
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43 protected void addData(Object d) {
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44 log.debug("ParametersExporter.addData");
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45 if (!(d instanceof CalculationResult)) {
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46 log.warn("Invalid data type");
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47 return;
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48 }
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49
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50 Object data = ((CalculationResult)d).getData();
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51 if (!(data instanceof FixAnalysisResult)) {
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52 log.warn("Invalid data stored in result.");
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53 return;
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54 }
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55
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56 FixAnalysisResult result = (FixAnalysisResult)data;
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57 parametersList.add(result.getParameters());
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58 }
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59
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60 @Override
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61 public void generate()
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62 throws IOException
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63 {
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64 log.debug("ParametersExporter.generate");
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65
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66 if (facet == null) {
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67 throw new IOException("invalid (null) facet for exporter");
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68 }
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69
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70 if (facet.equals(FIX_PARAMETERS)) {
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71 generateCSV();
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72 }
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73 else {
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74 throw new IOException(
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75 "invalid facet for exporter: '" + facet + "'");
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76 }
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77 }
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78
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79 @Override
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80 protected void writeCSVData(final CSVWriter writer) throws IOException {
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81
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82 if (parametersList.isEmpty()) {
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83 return;
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84 }
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85
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86 Parameters parameters = parametersList.get(0);
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87 writer.writeNext(parameters.getColumnNames());
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88
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89 final int numColumns = parameters.getNumberColumns();
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90
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91 parameters.visit(new Parameters.Visitor() {
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92
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93 String [] row = new String[numColumns];
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94
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95 NumberFormat format = NumberFormat.getInstance(
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96 Resources.getLocale(context.getMeta()));
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97
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98 @Override
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99 public void visit(double [] data) {
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100 for (int i = 0; i < data.length; ++i) {
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101 row[i] = format.format(data[i]);
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102 }
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103 writer.writeNext(row);
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104 }
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105 }, new double[numColumns]);
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106
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107 writer.flush();
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108 }
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109
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110 @Override
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111 protected void writePDF(OutputStream out) {
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112 // TODO: Implement me!
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113 }
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114 }
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115 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org