Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/utils/InputValidator.java @ 787:6cd8492019d8

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Validate wkt string and display error messages if the validation failed (issue214). gnv-artifacts/trunk@869 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 30 Mar 2010 16:51:20 +0000
parents e764cab8c885
children feae2f9d6c6f
rev   line source
101
e01c163ea5b0 Inputvalidation for String, Integer and Date Values added.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.utils;
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2
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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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17
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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 public final static String NODATASELECTEDVALUE = "n/n";
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33
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34 /**
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35 * Constructor
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36 */
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37 public InputValidator() {
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38 super();
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39 }
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40
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 784
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41 public static boolean isInputValid(String minInput, String maxInput, String type) {
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42 log.debug("InputValidator.isInputValid " + minInput + " " + maxInput + " " +type);
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43 boolean returnValue = false;
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44 if ("Date".equalsIgnoreCase(type)) {
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45 try {
f1e7ddeef5bc Added Validation if a given maxvalue is greater than a given minvalue issue19
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46 Date min = DateUtils.getDateFromString(minInput,DateUtils.DATE_PATTERN);
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47 Date max = DateUtils.getDateFromString(maxInput,DateUtils.DATE_PATTERN);
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48 int value = max.compareTo(min);
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49 returnValue = value >= 0;
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50 } catch (Exception e) {
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51 log.error(e,e);
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52 }
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53 } else if ("Double".equalsIgnoreCase(type)) {
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54 try {
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55 double min = Double.parseDouble(minInput);
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56 double max = Double.parseDouble(maxInput);
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57 returnValue = max >= min;
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58 } catch (Exception e) {
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59 log.error(e,e);
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60 }
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61 }
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62 log.debug("Is valid? " + returnValue);
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63 return returnValue;
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64 }
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65
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66 public static boolean isInputValid(String input, String type) {
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67 log.debug("InputValidator.isInputValid " + input + " " + type);
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68
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69 // Let's check polygons and linestrings first, because they might
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70 // contain comma. A splitting at comma characters wouldn't be good here.
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71 if ("Polygon".equalsIgnoreCase(type) || "Linestring".equalsIgnoreCase(type))
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72 {
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73 try {
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74 WKTReader reader = new WKTReader();
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75 reader.read(input);
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76
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77 return true;
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78 }
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79 catch (ParseException pe) {
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80 log.warn(pe, pe);
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81 return false;
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82 }
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83 }
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84
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85 // Check all the other input here
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86 boolean returnValue = false;
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87 String[] values = input.split(",");
787
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88
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89 for (int i = 0; i < values.length; i++) {
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90 boolean valid;
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91
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92 if (NODATASELECTEDVALUE.equals(values[i].trim())){
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93 valid = true;
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94 } else if ("Integer".equalsIgnoreCase(type)) {
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95 valid = GenericValidator.isInt(values[i].trim());
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96 } else if ("Double".equalsIgnoreCase(type)) {
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97 valid = GenericValidator.isDouble(values[i].trim());
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98 } else if ("String".equalsIgnoreCase(type)) {
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99 valid = GenericValidator.matchRegexp(values[i], "[a-zA-Z0-9]"); // TODO:
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100 // FIXME:
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101 // VALIDATE
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102 // REGEXP
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103 } else if ("Date".equalsIgnoreCase(type)) {
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104 valid = GenericValidator.isDate(values[i].trim(),
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105 DateUtils.DATE_PATTERN, true);
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106 } else if ("Point".equalsIgnoreCase(type) || "Geometry".equals(type)) {
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107 valid = GenericValidator.matchRegexp(values[i], "[0-9]"); // TODO:
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108 // FIXME:
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109 // VALIDATE
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110 // REGEXP
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111 } else if ("AttributeName".equalsIgnoreCase(type)) {
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112 valid = org.apache.commons.validator.GenericValidator
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113 .matchRegexp(values[i], "[a-zA-Z0-9]"); // TODO: FIXME:
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114 // VALIDATE
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115 // REGEXP
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116 } else if ("Coordinate".equalsIgnoreCase(type)) {
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117 try {
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118 valid = getPointValue(values[i]) != null;
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119 } catch (ValidationException e) {
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120 log.debug(e.getMessage());
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121 valid = false;
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122 }
171
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123 } else {
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124 valid = false;
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125 }
171
7fb9441dd8af Format Code to max 80 Chars per Row and Cleanup
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diff changeset
126 if (!valid) {
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127 returnValue = false;
101
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128 break;
171
7fb9441dd8af Format Code to max 80 Chars per Row and Cleanup
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diff changeset
129 } else {
101
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130 returnValue = true;
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131 }
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132 }
171
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133 log.debug("Is valid? " + returnValue);
101
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134 return returnValue;
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135 }
778
9a828e5a2390 Removed trailing whitespace
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136
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137
785
e764cab8c885 Save the relation between selected measurement and the parameter it belongs to (issue210). TODO: Adapt sql statements.
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138 public static Point getPointValue(String value) throws ValidationException{
173
1b2fc94766c9 Added real Coordinate-Query to TimeSeries-Mesh
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139 log.debug("InputValidator.getPointValue " + value);
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140
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141 if (value.toLowerCase().startsWith("point")){
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142 try {
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143 return (Point)new WKTReader().read(value);
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144 } catch (ParseException e) {
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145 log.error(e,e);
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146 throw new ValidationException(e);
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147 }
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148 }else{
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149 String[] s, p;
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150
746
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151 double x=0,y=0;
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152 log.info("Position :"+value);
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153 s = value.split(" ");
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154 if (s.length != 2) {
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155 throw new ValidationException("Kein Blank separiert Breite und Länge");
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156 }
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157 p = s[0].split("[nNsS]");
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158 try {
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diff changeset
159 if (p.length == 1)
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160 y = new Double(p[0]);
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161 else
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diff changeset
162 y = new Double(p[0]) + new Double(p[1]) / new Double(60.);
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163 if (s[0].toLowerCase().contains("s"))
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164 y = -y;
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165 }
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parents: 731
diff changeset
166 catch (Exception e) {
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diff changeset
167 throw new ValidationException("Kein N|S oder nicht im ersten Substring, zB 56n42");
778
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diff changeset
168
9a828e5a2390 Removed trailing whitespace
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diff changeset
169 }
746
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diff changeset
170 p = s[1].split("[eEwW]");
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diff changeset
171 try {
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parents: 731
diff changeset
172 if (p.length ==1)
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diff changeset
173 x = new Double(p[0]);
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diff changeset
174 else
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diff changeset
175 x = new Double(p[0]) + new Double(p[1]) / new Double(60.) ;
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parents: 731
diff changeset
176 if (s[1].toLowerCase().contains("w"))
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diff changeset
177 x = -x;
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178 }
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diff changeset
179 catch (Exception e) {
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diff changeset
180 throw new ValidationException("Kein E|W oder nicht im zweiten Substring");
778
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diff changeset
181 }
746
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diff changeset
182 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
183 }
1b2fc94766c9 Added real Coordinate-Query to TimeSeries-Mesh
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parents: 171
diff changeset
184 }
101
e01c163ea5b0 Inputvalidation for String, Integer and Date Values added.
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185
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
186
785
e764cab8c885 Save the relation between selected measurement and the parameter it belongs to (issue210). TODO: Adapt sql statements.
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parents: 784
diff changeset
187 public static boolean isDateValid(Date tmp, Date lo, Date up) {
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
188 // we need to transform the given dates into seconds, because
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
189 // they differ in milliseconds -> that's why we cannot use the
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
190 // Date.compareTo(Date) method.
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
191 long tmpTime = tmp.getTime() / 1000;
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
192 long tmpLow = lo.getTime() / 1000;
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
193 long tmpUp = up.getTime() / 1000;
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
194
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
195 if (tmpTime < tmpLow || tmpTime > tmpUp) {
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
196 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
197 "Date [" + tmp.toString() + "] is out of range ["
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
198 + lo.toString() + " to "+ up.toString() + "].");
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
199 return false;
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
200 }
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
201
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
202 return true;
7b81d563c8c0 Improved date input validation. A given date needs to be in a specific range (issue212).
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parents: 780
diff changeset
203 }
101
e01c163ea5b0 Inputvalidation for String, Integer and Date Values added.
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parents:
diff changeset
204 }
http://dive4elements.wald.intevation.org