Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/fixings/ParametersExporter.java @ 4573:b87073a05f9d

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flys-client: Patch to render combobox options as clickable links. The way of passing data arguments to the links and further to the Artifact feeding service is somewhat hacked and should be refactored (later...).
author Christian Lins <christian.lins@intevation.de>
date Tue, 27 Nov 2012 12:50:10 +0100
parents 35a6c9a49a76
children
rev   line source
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79dd823733e2 FixA: Added parameter exporter.
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1 package de.intevation.flys.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 de.intevation.artifacts.CallContext;
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6
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7 import de.intevation.flys.artifacts.model.CalculationResult;
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8 import de.intevation.flys.artifacts.model.Parameters;
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9
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10 import de.intevation.flys.artifacts.model.fixings.FixAnalysisResult;
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11
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12 import de.intevation.flys.artifacts.resources.Resources;
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13
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14 import de.intevation.flys.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