Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/SingleInputState.java @ 949:11d8cc2deb92 1.0

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merged doc/1.0
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:13:58 +0200
parents f94a95009423
children 9981452c7e75
rev   line source
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1 package de.intevation.gnv.state;
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2
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3 import de.intevation.artifacts.CallContext;
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4
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5 import de.intevation.gnv.artifacts.ressource.RessourceFactory;
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6 import de.intevation.gnv.geobackend.base.Result;
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7 import de.intevation.gnv.state.describedata.DefaultSingleValueDescribeData;
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8 import de.intevation.gnv.state.exception.StateException;
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9 import de.intevation.gnv.utils.InputValidator;
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10
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11 import java.util.ArrayList;
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12 import java.util.Collection;
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13 import java.util.Iterator;
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14 import java.util.List;
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15 import java.util.Locale;
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16
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17 import org.apache.log4j.Logger;
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18
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19 import org.w3c.dom.Document;
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20
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21 /**
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22 * This state handles single user input. The user is allowed to select just one
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23 * value.
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24 *
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25 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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26 *
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27 */
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28 public class SingleInputState extends StateBase {
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29
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30 /**
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31 * the logger, used to log exceptions and additonaly information
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32 */
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33 private static Logger log = Logger.getLogger(SingleInputState.class);
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34
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35 private static final long serialVersionUID = -6169497306324917318L;
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36
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37 /**
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38 * Constructor
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39 */
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40 public SingleInputState() {
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41 }
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42
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43
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44 @Override
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45 protected List<Object> purifyResult(Collection<Result> result, String uuid) {
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46 log.debug("SingleInputState.purifyResult");
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47 List<Object> describeData = new ArrayList<Object>();
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48
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49 String value = null;
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50 if (result != null && result.size() == 1) {
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51 Result tmpItem = result.iterator().next();
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52 value = tmpItem.getObject("MAX").toString();
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53 } else {
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54 value = "";
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55 }
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56
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57 describeData.add(new DefaultSingleValueDescribeData(
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58 this.dataName, value, getID()));
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59
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60 return describeData;
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61 }
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62
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63 /**
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64 * This feed method needs a collection of two InputData objects. These
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65 * objects' values need to be a datetime string which is turned into a Date
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66 * object. Afterwards, the given dates are validated. Min and max date need
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67 * to be in range of the min and max date retrieved by
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68 * {@link #getDescibeData(java.lang.String)}.
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69 */
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70 @Override
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71 public Document feed(
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72 CallContext context,
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73 Collection<InputData> inputData,
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74 String uuid)
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75 throws StateException {
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76 RessourceFactory resFactory = RessourceFactory.getInstance();
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77 Locale[] serverLocales = resFactory.getLocales();
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78 Locale locale = context.getMeta().getPreferredLocale(
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79 serverLocales);
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80
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81 if (inputData == null) {
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82 String msg = "No input data given.";
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83 log.warn(msg);
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84 return feedFailure(msg);
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85 }
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86
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87 Iterator<InputData> it = inputData.iterator();
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88 InputData tmpItem = it.next();
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89 InputValue inputValue = inputValues.get(tmpItem.getName());
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90
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91 if (inputValue == null) {
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92 String msg = resFactory.getRessource(
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93 locale,
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94 EXCEPTION_INVALID_INPUT,
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95 EXCEPTION_INVALID_INPUT);
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96 log.warn(msg);
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97 return feedFailure(msg);
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98 }
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99
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100 boolean valid = InputValidator.isInputValid(
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101 tmpItem.getValue(), inputValue.getType());
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102
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103 if (valid) {
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104 String[] desc = getDescriptionForInputData(tmpItem, uuid);
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105 tmpItem.setDescription(desc);
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106
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107 this.inputData.put(tmpItem.getName(), tmpItem);
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108 return feedSuccess();
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109 }
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110
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111 else {
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112 String msg = resFactory.getRessource(
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113 locale,
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114 EXCEPTION_INVALID_INPUT,
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115 EXCEPTION_INVALID_INPUT);
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116 log.warn(msg);
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117 return feedFailure(msg);
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118 }
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119 }
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120 }
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121 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org