Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/SingleInputState.java @ 1129:ccfa07b88476

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merged geo-backend
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:01 +0200
parents f953c9a559d8
children
rev   line source
1115
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.state;
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10
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11 import de.intevation.artifacts.CallContext;
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12
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13 import de.intevation.gnv.artifacts.ressource.RessourceFactory;
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14 import de.intevation.gnv.geobackend.base.Result;
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15 import de.intevation.gnv.state.describedata.DefaultSingleValueDescribeData;
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16 import de.intevation.gnv.state.exception.StateException;
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17 import de.intevation.gnv.utils.InputValidator;
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18
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19 import java.util.ArrayList;
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20 import java.util.Collection;
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21 import java.util.Iterator;
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22 import java.util.List;
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23 import java.util.Locale;
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24
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25 import org.apache.log4j.Logger;
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26
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27 import org.w3c.dom.Document;
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28
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29 /**
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30 * This state handles single user input. The user is allowed to select just one
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31 * value.
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32 *
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33 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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34 *
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35 */
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36 public class SingleInputState extends StateBase {
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37
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38 /**
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39 * the logger, used to log exceptions and additonaly information
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40 */
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41 private static Logger log = Logger.getLogger(SingleInputState.class);
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42
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43 private static final long serialVersionUID = -6169497306324917318L;
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44
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45 /**
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46 * Constructor
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47 */
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48 public SingleInputState() {
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49 }
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50
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51
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52 @Override
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53 protected List<Object> purifyResult(Collection<Result> result, String uuid) {
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54 log.debug("SingleInputState.purifyResult");
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55 List<Object> describeData = new ArrayList<Object>();
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56
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57 String value = null;
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58 if (result != null && result.size() == 1) {
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59 Result tmpItem = result.iterator().next();
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60 value = tmpItem.getObject("MAX").toString();
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61 } else {
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62 value = "";
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63 }
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64
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65 describeData.add(new DefaultSingleValueDescribeData(
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66 this.dataName, value, getID()));
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67
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68 return describeData;
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69 }
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70
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71 /**
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72 * This feed method needs a collection of two InputData objects. These
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73 * objects' values need to be a datetime string which is turned into a Date
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74 * object. Afterwards, the given dates are validated. Min and max date need
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75 * to be in range of the min and max date retrieved by
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76 * {@link #getDescibeData(java.lang.String)}.
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77 */
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78 @Override
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79 public Document feed(
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80 CallContext context,
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81 Collection<InputData> inputData,
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82 String uuid)
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83 throws StateException {
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84 RessourceFactory resFactory = RessourceFactory.getInstance();
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85 Locale[] serverLocales = resFactory.getLocales();
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86 Locale locale = context.getMeta().getPreferredLocale(
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87 serverLocales);
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88
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89 if (inputData == null) {
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90 String msg = "No input data given.";
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91 log.warn(msg);
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92 return feedFailure(msg);
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93 }
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94
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95 Iterator<InputData> it = inputData.iterator();
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96 InputData tmpItem = it.next();
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97 InputValue inputValue = inputValues.get(tmpItem.getName());
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98
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99 if (inputValue == null) {
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100 String msg = resFactory.getRessource(
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101 locale,
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102 EXCEPTION_INVALID_INPUT,
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103 EXCEPTION_INVALID_INPUT);
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104 log.warn(msg);
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105 return feedFailure(msg);
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106 }
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107
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108 boolean valid = InputValidator.isInputValid(
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109 tmpItem.getValue(), inputValue.getType());
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110
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111 if (valid) {
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112 String[] desc = getDescriptionForInputData(tmpItem, context, uuid);
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113 tmpItem.setDescription(desc);
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114
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115 this.inputData.put(tmpItem.getName(), tmpItem);
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116 return feedSuccess();
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117 }
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118
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119 else {
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120 String msg = resFactory.getRessource(
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121 locale,
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122 EXCEPTION_INVALID_INPUT,
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123 EXCEPTION_INVALID_INPUT);
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124 log.warn(msg);
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125 return feedFailure(msg);
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126 }
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127 }
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Tim Englich <tim.englich@intevation.de>
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128 }
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05bf8534a35a Using unix line endings only.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 815
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org