Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/utils/InputValidator.java @ 1087:92fce3b3d07f

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Centered histograms in pdf exports. gnv-artifacts/trunk@1189 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Jun 2010 09:23:33 +0000
parents 8f836fb6f592
children 46cc1ab1ee15
rev   line source
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1 package de.intevation.gnv.utils;
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2
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3 import com.vividsolutions.jts.geom.Coordinate;
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4 import com.vividsolutions.jts.geom.GeometryFactory;
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5 import com.vividsolutions.jts.geom.Point;
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6
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7 import com.vividsolutions.jts.io.ParseException;
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8 import com.vividsolutions.jts.io.WKTReader;
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9
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10 import de.intevation.gnv.geobackend.util.DateUtils;
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11
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12 import de.intevation.gnv.utils.exception.ValidationException;
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13
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14 import java.util.Date;
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15
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16 import org.apache.commons.validator.GenericValidator;
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18 import org.apache.log4j.Logger;
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19
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20 /**
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21 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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23 *
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24 */
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25 public class InputValidator {
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26 /**
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27 * the logger, used to log exceptions and additonaly information
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28 */
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29 private static Logger log = Logger.getLogger(InputValidator.class);
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30
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31 /**
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32 * Epsilon for handling unprecise date objects (in ms).
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33 */
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34 public final static long DATE_EPSILON = 750;
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35
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36
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37 public final static String NODATASELECTEDVALUE = "n/n";
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38
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39 /**
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40 * Constructor
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41 */
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42 public InputValidator() {
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43 super();
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44 }
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45
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46 /**
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47 * Validates the input of a range of double or date values. The input values
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48 * need to be valid double or date values. <i>minInput</i> needs to be
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49 * smaller or equal <i>maxInput</i>.
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50 *
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51 * @param minInput The lower bound.
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52 * @param maxInput The upper bound.
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53 * @param type One of 'Date' or 'Double'.
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54 * @return true, if the input is valid, otherwise false.
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55 */
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56 public static boolean isInputValid(String minInput, String maxInput, String type) {
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57 log.debug("InputValidator.isInputValid " + minInput + " " + maxInput + " " +type);
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58 boolean returnValue = false;
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59 if ("Date".equalsIgnoreCase(type)) {
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60 try {
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61 Date min = DateUtils.getDateFromString(minInput,DateUtils.DATE_PATTERN);
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62 Date max = DateUtils.getDateFromString(maxInput,DateUtils.DATE_PATTERN);
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63 int value = max.compareTo(min);
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64 returnValue = value >= 0;
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65 } catch (Exception e) {
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66 log.error(e,e);
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67 }
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68 } else if ("Double".equalsIgnoreCase(type)) {
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69 try {
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70 double min = Double.parseDouble(minInput);
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71 double max = Double.parseDouble(maxInput);
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72 returnValue = max >= min;
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73 } catch (Exception e) {
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74 log.error(e,e);
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75 }
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76 }
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77 log.debug("Is valid? " + returnValue);
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78 return returnValue;
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79 }
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80
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81 /**
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82 * Validates an input.
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83 *
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84 * @param input The input value.
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85 * @param type The input value type.
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86 * @return true if the input is valid, otherwise false.
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87 */
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88 public static boolean isInputValid(String input, String type) {
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89 if (input.length() == 0 || input.equals("")) {
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90 return false;
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91 }
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92
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93 log.debug("InputValidator.isInputValid " + input + " " + type);
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94
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95 // Let's check polygons and linestrings first, because they might
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96 // contain comma. A splitting at comma characters wouldn't be good here.
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97 if ("Polygon".equalsIgnoreCase(type) || "Linestring".equalsIgnoreCase(type))
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98 {
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99 try {
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100 WKTReader reader = new WKTReader();
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101 reader.read(input);
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102
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103 return true;
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104 }
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105 catch (ParseException pe) {
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106 log.warn(pe, pe);
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107 return false;
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108 }
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109 }
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110
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111 // Check all the other input here
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112 boolean returnValue = false;
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113 String[] values = input.split(",");
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114
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115 for (int i = 0; i < values.length; i++) {
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116 boolean valid;
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117
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118 if (NODATASELECTEDVALUE.equals(values[i].trim())){
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119 valid = true;
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120 } else if ("Integer".equalsIgnoreCase(type)) {
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121 valid = GenericValidator.isInt(values[i].trim());
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122 } else if ("Double".equalsIgnoreCase(type)) {
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diff changeset
123 valid = GenericValidator.isDouble(values[i].trim());
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diff changeset
124 } else if ("String".equalsIgnoreCase(type)) {
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diff changeset
125 valid = GenericValidator.matchRegexp(values[i], "[a-zA-Z0-9]"); // TODO:
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diff changeset
126 // FIXME:
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127 // VALIDATE
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128 // REGEXP
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129 } else if ("Date".equalsIgnoreCase(type)) {
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diff changeset
130 valid = GenericValidator.isDate(values[i].trim(),
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diff changeset
131 DateUtils.DATE_PATTERN, true);
731
1efb6a66c7d9 Added Objecttype Geometry for the Validation of Inputdata.
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diff changeset
132 } else if ("Point".equalsIgnoreCase(type) || "Geometry".equals(type)) {
171
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133 valid = GenericValidator.matchRegexp(values[i], "[0-9]"); // TODO:
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diff changeset
134 // FIXME:
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diff changeset
135 // VALIDATE
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diff changeset
136 // REGEXP
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137 } else if ("AttributeName".equalsIgnoreCase(type)) {
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diff changeset
138 valid = org.apache.commons.validator.GenericValidator
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139 .matchRegexp(values[i], "[a-zA-Z0-9]"); // TODO: FIXME:
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diff changeset
140 // VALIDATE
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141 // REGEXP
173
1b2fc94766c9 Added real Coordinate-Query to TimeSeries-Mesh
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diff changeset
142 } else if ("Coordinate".equalsIgnoreCase(type)) {
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diff changeset
143 try {
785
e764cab8c885 Save the relation between selected measurement and the parameter it belongs to (issue210). TODO: Adapt sql statements.
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144 valid = getPointValue(values[i]) != null;
173
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diff changeset
145 } catch (ValidationException e) {
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diff changeset
146 log.debug(e.getMessage());
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diff changeset
147 valid = false;
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parents: 171
diff changeset
148 }
171
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diff changeset
149 } else {
101
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150 valid = false;
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151 }
171
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152 if (!valid) {
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153 returnValue = false;
101
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154 break;
171
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diff changeset
155 } else {
101
e01c163ea5b0 Inputvalidation for String, Integer and Date Values added.
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156 returnValue = true;
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157 }
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158 }
171
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159 log.debug("Is valid? " + returnValue);
101
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160 return returnValue;
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161 }
778
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162
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163
806
2cea76f1112e Added Javadoc in utils package.
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diff changeset
164 /**
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165 * Returns a point from wkt string.
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166 *
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167 * @param value The wkt string.
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168 * @return a point.
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169 * @throws ValidationException if <i>value</i> is not valid.
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170 */
785
e764cab8c885 Save the relation between selected measurement and the parameter it belongs to (issue210). TODO: Adapt sql statements.
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diff changeset
171 public static Point getPointValue(String value) throws ValidationException{
173
1b2fc94766c9 Added real Coordinate-Query to TimeSeries-Mesh
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parents: 171
diff changeset
172 log.debug("InputValidator.getPointValue " + value);
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173
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diff changeset
174 if (value.toLowerCase().startsWith("point")){
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diff changeset
175 try {
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176 return (Point)new WKTReader().read(value);
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177 } catch (ParseException e) {
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178 log.error(e,e);
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179 throw new ValidationException(e);
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180 }
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181 }else{
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182 String[] s, p;
778
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183
746
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184 double x=0,y=0;
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185 log.info("Position :"+value);
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186 s = value.split(" ");
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187 if (s.length != 2) {
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188 throw new ValidationException("Kein Blank separiert Breite und Länge");
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189 }
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190 p = s[0].split("[nNsS]");
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diff changeset
191 try {
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diff changeset
192 if (p.length == 1)
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193 y = new Double(p[0]);
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194 else
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195 y = new Double(p[0]) + new Double(p[1]) / new Double(60.);
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196 if (s[0].toLowerCase().contains("s"))
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197 y = -y;
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198 }
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diff changeset
199 catch (Exception e) {
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diff changeset
200 throw new ValidationException("Kein N|S oder nicht im ersten Substring, zB 56n42");
778
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diff changeset
201
9a828e5a2390 Removed trailing whitespace
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diff changeset
202 }
746
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diff changeset
203 p = s[1].split("[eEwW]");
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diff changeset
204 try {
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diff changeset
205 if (p.length ==1)
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diff changeset
206 x = new Double(p[0]);
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parents: 731
diff changeset
207 else
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diff changeset
208 x = new Double(p[0]) + new Double(p[1]) / new Double(60.) ;
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diff changeset
209 if (s[1].toLowerCase().contains("w"))
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diff changeset
210 x = -x;
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parents: 731
diff changeset
211 }
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parents: 731
diff changeset
212 catch (Exception e) {
b81f6f896668 Integrated handling of WKT-Strings for Points to extract Points from a given Inputstring.
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diff changeset
213 throw new ValidationException("Kein E|W oder nicht im zweiten Substring");
778
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diff changeset
214 }
746
b81f6f896668 Integrated handling of WKT-Strings for Points to extract Points from a given Inputstring.
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parents: 731
diff changeset
215 return new GeometryFactory().createPoint(new Coordinate(x,y));
173
1b2fc94766c9 Added real Coordinate-Query to TimeSeries-Mesh
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parents: 171
diff changeset
216 }
1b2fc94766c9 Added real Coordinate-Query to TimeSeries-Mesh
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parents: 171
diff changeset
217 }
101
e01c163ea5b0 Inputvalidation for String, Integer and Date Values added.
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218
784
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
219
806
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220 /**
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221 * Makes sure that <i>tmp</i> is between <i>lo</i> and <i>up</i>.
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222 *
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223 * @param tmp The value to validate.
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224 * @param lo The lower range bound.
2cea76f1112e Added Javadoc in utils package.
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225 * @param up The upper range bound.
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226 * @return true, if tmp is valid, otherwise false.
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diff changeset
227 */
785
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diff changeset
228 public static boolean isDateValid(Date tmp, Date lo, Date up) {
1051
8f836fb6f592 Introduced an epsilon (750ms) to be more tolerant while comparing two data objects (issue286).
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diff changeset
229 long tmpTime = tmp.getTime();
8f836fb6f592 Introduced an epsilon (750ms) to be more tolerant while comparing two data objects (issue286).
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diff changeset
230 long tmpLow = lo.getTime();
8f836fb6f592 Introduced an epsilon (750ms) to be more tolerant while comparing two data objects (issue286).
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parents: 860
diff changeset
231 long tmpUp = up.getTime();
784
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
232
1051
8f836fb6f592 Introduced an epsilon (750ms) to be more tolerant while comparing two data objects (issue286).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 860
diff changeset
233 if (tmpTime < tmpLow - DATE_EPSILON || tmpTime > tmpUp + DATE_EPSILON) {
784
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
234 log.warn(
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
235 "Date [" + tmp.toString() + "] is out of range ["
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
236 + lo.toString() + " to "+ up.toString() + "].");
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
237 return false;
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
238 }
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
239
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
240 return true;
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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diff changeset
241 }
101
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242 }
836
05bf8534a35a Using unix line endings only.
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parents: 806
diff changeset
243 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org