annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/MinMaxDateState.java @ 1138:2c00570ab3bd

merged doc
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:02 +0200
parents f953c9a559d8
children
rev   line source
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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 java.util.Collection;
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12 import java.util.Date;
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13 import java.util.GregorianCalendar;
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14 import java.util.Iterator;
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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 import org.w3c.dom.Document;
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19
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20 import de.intevation.artifacts.CallContext;
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21 import de.intevation.gnv.artifacts.ressource.RessourceFactory;
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22 import de.intevation.gnv.geobackend.util.DateUtils;
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23 import de.intevation.gnv.state.describedata.DefaultMinMaxDescribeData;
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24 import de.intevation.gnv.state.describedata.DescribeData;
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25 import de.intevation.gnv.state.describedata.MinMaxDescribeData;
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26 import de.intevation.gnv.state.exception.StateException;
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27 import de.intevation.gnv.utils.InputValidator;
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28
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29 /**
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30 * This state handles date input. The resulting describe document of this state
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31 * contains two fields in the user interface description to define a time range.
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32 *
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33 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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34 */
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35 public class MinMaxDateState extends MinMaxState {
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36
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37
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38 /**
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39 *
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40 */
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41 public static final String EXCEPTION_DATE_REQUIRED =
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42 "input.is.not.valid.date.required";
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43
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44 /**
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45 *
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46 */
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47 public static final String EXCEPTION_START_AFTER_END =
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48 "start.date.after.end.date";
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49
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50 /**
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51 *
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52 */
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53 public static final String EXCEPTION_DATE_OUT_OF_RANGE =
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54 "date.out.of.range";
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55
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56 /**
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57 *
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58 */
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59 public static final String EXCEPTION_MISSING_DATE =
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60 "missing.data.field";
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61
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62 private static Logger logger = Logger.getLogger(MinMaxDateState.class);
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63
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64
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65 /**
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66 *
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67 */
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68 public MinMaxDateState() {
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69 super();
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70 }
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71
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72
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73 /**
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74 * This feed method needs a collection of two InputData objects. These
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75 * objects' values need to be a datetime string which is turned into a Date
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76 * object. Afterwards, the given dates are validated. Min and max date need
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77 * to be in range of the min and max date retrieved by
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78 * {@link #getDescibeData(java.lang.String)}.
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79 */
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80 @Override
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81 public Document feed(
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82 CallContext context,
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83 Collection<InputData> inputData,
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84 String uuid)
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85 throws StateException {
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86 RessourceFactory resFactory = RessourceFactory.getInstance();
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87 Locale[] serverLocales = resFactory.getLocales();
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88 Locale locale = context.getMeta().getPreferredLocale(
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89 serverLocales);
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90
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91 if (inputData == null) {
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92 String msg = "No input data given.";
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93 logger.warn(msg);
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94 return feedFailure(msg);
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95 }
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96
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97 Iterator iter = inputData.iterator();
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98
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99 MinMaxDescribeData data =
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100 (MinMaxDescribeData) getDescibeData(uuid).get(0);
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101 Object min = data.getMinValue();
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102 Object max = data.getMaxValue();
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103
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104 Object tmpMin = null;
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105 Object tmpMax = null;
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106
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107 while (iter.hasNext()) {
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108 InputData tmp = (InputData) iter.next();
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109 InputValue meta = inputValues.get(tmp.getName());
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110 String type = meta.getType();
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111 String value = tmp.getValue();
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112 String name = tmp.getName();
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113
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114 if (meta == null) {
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115 String msg = "Input data not expected here. Data will be ignored.";
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116 logger.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 if (!InputValidator.isInputValid(value, type)) {
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121 String msg = resFactory.getRessource(
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122 locale, EXCEPTION_DATE_REQUIRED, EXCEPTION_DATE_REQUIRED);
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123 logger.error(msg);
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124 return feedFailure(msg);
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125 }
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126
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127 Date lower = null;
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128 if (min instanceof GregorianCalendar) {
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129 lower = ((GregorianCalendar)min).getTime();
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130 }
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131
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132 Date upper = null;
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133 if (max instanceof GregorianCalendar) {
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134 upper = ((GregorianCalendar)max).getTime();
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135 }
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136
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137 Date d = null;
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138 try {
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139 d = DateUtils.getDateFromString(value,DateUtils.DATE_PATTERN);
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140 }
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141 catch (Exception e) {
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142 logger.warn(e, e);
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143 }
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144
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145 if (d == null || lower == null || upper == null) {
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146 String msg = resFactory.getRessource(
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147 locale,
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148 EXCEPTION_MISSING_DATE,
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149 EXCEPTION_MISSING_DATE);
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150 logger.warn(msg);
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151 }
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152 else {
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153 if (logger.isDebugEnabled()) {
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154 logger.debug("Date to validate: " + d.toString());
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155 logger.debug("Lower date bound: " + lower.toString());
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156 logger.debug("Upper date bound: " + upper.toString());
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157 }
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158
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159 if (!InputValidator.isDateValid(d, lower, upper)) {
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160 String msg = resFactory.getRessource(
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161 locale,
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162 EXCEPTION_DATE_OUT_OF_RANGE,
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163 EXCEPTION_DATE_OUT_OF_RANGE);
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164 logger.error(msg);
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165 return feedFailure(msg);
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166 }
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167 }
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168
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169 if (name.equals(MINVALUEFIELDNAME)) {
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170 tmpMin = value;
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171 }
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172
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173 if (name.equals(MAXVALUEFIELDNAME)) {
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174 tmpMax = value;
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175 }
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176
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177 if (tmpMin != null && tmpMax != null) {
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178 if (!InputValidator.isInputValid((String) tmpMin, (String) tmpMax, type)) {
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179 String msg = resFactory.getRessource(
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180 locale,
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181 EXCEPTION_START_AFTER_END,
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182 EXCEPTION_START_AFTER_END);
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183 logger.error(msg);
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184 return feedFailure(msg);
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185 }
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186 }
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187 }
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188
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189 DescribeData values = new DefaultMinMaxDescribeData(
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190 dataName, tmpMin, tmpMax, getID());
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191
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192 this.inputData.put(dataName, new DefaultInputData(dataName, values));
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193
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194 return feedSuccess();
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195 }
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196 }
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197 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org