Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/FLYSUtils.java @ 1148:302461d5d071

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Cosmetics. flys-artifacts/trunk@2678 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 08 Sep 2011 11:29:04 +0000
parents da3c3e286c88
children 5f53b443d67c
rev   line source
1095
f465785ed1ae Refactored the code to fetch the km range/locations into a utility class.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.utils;
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parents:
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2
1105
adb52a2005e7 Moved code to extract the river srid defined in the global configuration into FLYSUtils.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1099
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3 import java.util.HashMap;
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parents: 1099
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4 import java.util.Map;
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5
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parents: 1099
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6 import javax.xml.xpath.XPathConstants;
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parents: 1099
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7
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parents: 1099
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8 import org.w3c.dom.Document;
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parents: 1099
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9
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f465785ed1ae Refactored the code to fetch the km range/locations into a utility class.
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parents:
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10 import gnu.trove.TDoubleArrayList;
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11
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12 import de.intevation.artifacts.CallContext;
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13
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adb52a2005e7 Moved code to extract the river srid defined in the global configuration into FLYSUtils.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1099
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14 import de.intevation.artifacts.common.utils.Config;
adb52a2005e7 Moved code to extract the river srid defined in the global configuration into FLYSUtils.
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parents: 1099
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15 import de.intevation.artifacts.common.utils.XMLUtils;
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parents: 1099
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16
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f465785ed1ae Refactored the code to fetch the km range/locations into a utility class.
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17 import de.intevation.flys.artifacts.FLYSArtifact;
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af73f196eccc Refactored to use new FLYSUtils, moved getRiver-functionality inside.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1095
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18 import de.intevation.flys.artifacts.model.RiverFactory;
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19 import de.intevation.flys.model.River;
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20
f465785ed1ae Refactored the code to fetch the km range/locations into a utility class.
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21 public class FLYSUtils {
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22
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23 public static enum KM_MODE { RANGE, LOCATIONS, NONE };
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24
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25 public static final String XPATH_RIVER_PROJECTION =
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26 "/artifact-database/floodmap/river[@name=$name]/srid/@value";
adb52a2005e7 Moved code to extract the river srid defined in the global configuration into FLYSUtils.
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27
1129
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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28 public static final String XPATH_SHAPEFILE_DIR =
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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29 "/artifact-database/floodmap/shapefile-path/@value";
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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30
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31 public static final String XPATH_VELOCITY_LOGFILE =
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32 "/artifact-database/floodmap/velocity/logfile/@path";
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33
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34 public static final String XPATH_MAPSERVER_URL =
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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35 "/artifact-database/floodmap/mapserver/server/@path";
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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36
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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37 public static final String XPATH_MAPFILE_PATH =
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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38 "/artifact-database/floodmap/mapserver/mapfile/@path";
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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39
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1118
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40 public static final String XPATH_MAPFILE_TEMPLATE =
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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41 "/artifact-database/floodmap/mapserver/map-template/@path";
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1118
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42
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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43 public static final String XPATH_MAPSERVER_TEMPLATE_PATH =
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parents: 1118
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44 "/artifact-database/floodmap/mapserver/templates/@path";
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parents: 1118
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45
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parents:
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46
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47 private FLYSUtils() {
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48 }
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49
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50
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51 public static FLYSArtifact getArtifact(String uuid, CallContext context) {
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52 // TODO IMPLEMENT ME
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53 // Fetch artifact based on its UUID from ArtifactDatabase
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54
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parents: 1105
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55 return null;
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56 }
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parents: 1105
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57
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parents: 1105
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58
1129
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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59 /**
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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60 * Convinience function to retrieve an XPath as string with replaced config
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parents: 1118
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61 * directory.
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62 *
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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63 * @param xpath The XPath expression.
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parents: 1118
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64 *
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents: 1118
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65 * @return a string with replaced config directory.
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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66 */
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67 public static String getXPathString(String xpath) {
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68 String tmp = Config.getStringXPath(xpath);
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69 tmp = Config.replaceConfigDir(tmp);
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70
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71 return tmp;
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72 }
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73
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74
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75 public static KM_MODE getKmRangeMode(FLYSArtifact flys) {
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76 String mode = flys.getDataAsString("ld_mode");
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77
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78 if (mode == null || mode.length() == 0) {
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79 return KM_MODE.NONE;
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80 }
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81 else if (mode.equals("distance")) {
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82 return KM_MODE.RANGE;
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83 }
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84 else if (mode.equals("locations")) {
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85 return KM_MODE.LOCATIONS;
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86 }
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87 else {
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88 return KM_MODE.NONE;
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89 }
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90 }
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91
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92
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93 public static double[] getKmRange(FLYSArtifact flys) {
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94 switch (getKmRangeMode(flys)) {
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95 case RANGE: {
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96 return getKmFromTo(flys);
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97 }
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98
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99 case LOCATIONS: {
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100 double[] locs = getLocations(flys);
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101 return new double[] { locs[0], locs[locs.length-1] };
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102 }
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103
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104 case NONE: {
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105 double[] locs = getLocations(flys);
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106 if (locs != null) {
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107 return new double[] { locs[0], locs[locs.length-1] };
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108 }
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109 else {
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110 return getKmFromTo(flys);
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111 }
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112 }
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113 }
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114
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115 return new double[] { Double.NaN, Double.NaN };
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116 }
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117
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118
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119 public static double[] getKmFromTo(FLYSArtifact flys) {
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120 String strFrom = flys.getDataAsString("ld_from");
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121 String strTo = flys.getDataAsString("ld_to");
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122
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123 if (strFrom == null || strTo == null) {
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124 return null;
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125 }
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126
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127 try {
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128 return new double[] {
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129 Double.parseDouble(strFrom),
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130 Double.parseDouble(strTo) };
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131 }
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132 catch (NumberFormatException nfe) {
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133 return null;
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134 }
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135 }
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136
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137
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138 public static double[] getLocations(FLYSArtifact flys) {
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139 String locationStr = flys.getDataAsString("ld_locations");
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140
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141 if (locationStr == null || locationStr.length() == 0) {
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142 return null;
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143 }
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144
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145 String[] tmp = locationStr.split(" ");
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146 TDoubleArrayList locations = new TDoubleArrayList();
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147
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148 for (String l: tmp) {
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149 try {
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150 locations.add(Double.parseDouble(l));
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151 }
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152 catch (NumberFormatException nfe) {
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153 }
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154 }
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155
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156 locations.sort();
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157
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158 return locations.toNativeArray();
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159 }
1099
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160
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161
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162 /**
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163 * Returns the selected River object based on the 'river' data that might
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164 * have been inserted by the user.
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165 *
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166 * @return the selected River or null if no river has been chosen yet.
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167 */
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168 public static River getRiver(FLYSArtifact flys) {
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169 String sRiver = flys.getDataAsString("river");
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170
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171 return (sRiver != null)
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172 ? RiverFactory.getRiver(sRiver)
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173 : null;
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174 }
1105
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175
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176
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177 /**
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178 * Extracts the SRID defined in the global configuration for the river
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179 * specified in <i>artifact</i>.
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180 *
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181 * @param artifact The FLYSArtifact that stores the name of the river.
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182 *
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183 * @return the SRID as string (e.g. "31466").
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184 */
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185 public static String getRiverSrid(FLYSArtifact artifact) {
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186 String river = artifact.getDataAsString("river");
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187
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188 if (river == null || river.length() == 0) {
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189 return null;
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190 }
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191
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192 Map<String, String> variables = new HashMap<String, String>(1);
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193 variables.put("name", river);
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194
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195 Document cfg = Config.getConfig();
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196
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197 return (String) XMLUtils.xpath(
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198 cfg,
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199 XPATH_RIVER_PROJECTION,
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200 XPathConstants.STRING,
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201 null,
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202 variables);
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203 }
1095
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204 }
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205 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org