Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/datacage/templating/FunctionResolver.java @ 9299:4a6cc7c6716a
uinfo.inundation_duration veg'zone select
| author | gernotbelger |
|---|---|
| date | Wed, 25 Jul 2018 14:42:44 +0200 |
| parents | 5030c46d8cb4 |
| children | e511eb935ccd |
| rev | line source |
|---|---|
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.artifacts.datacage.templating; |
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10 |
| 9299 | 11 import java.lang.reflect.InvocationTargetException; |
| 12 import java.lang.reflect.Method; | |
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13 import java.text.SimpleDateFormat; |
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14 import java.util.ArrayList; |
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15 import java.util.Collection; |
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16 import java.util.Collections; |
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17 import java.util.Date; |
| 9299 | 18 import java.util.HashMap; |
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19 import java.util.List; |
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20 import java.util.Map; |
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21 import java.util.Set; |
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22 import java.util.regex.Matcher; |
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23 import java.util.regex.Pattern; |
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24 |
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25 import javax.xml.namespace.QName; |
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26 import javax.xml.xpath.XPathFunction; |
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27 import javax.xml.xpath.XPathFunctionException; |
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28 import javax.xml.xpath.XPathFunctionResolver; |
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29 |
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30 import org.apache.log4j.Logger; |
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31 import org.dive4elements.artifactdatabase.transition.TransitionEngine; |
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32 import org.dive4elements.artifacts.GlobalContext; |
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33 import org.dive4elements.river.artifacts.context.RiverContext; |
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34 import org.dive4elements.river.artifacts.context.RiverContextFactory; |
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35 |
| 4594 | 36 /** Resolves functions (e.g. dc:contains) in Datacage/Meta-Data system. */ |
| 9299 | 37 public class FunctionResolver implements XPathFunctionResolver { |
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38 /** Home log. */ |
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39 private static Logger log = Logger.getLogger(FunctionResolver.class); |
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40 |
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41 public static final String FUNCTION_NAMESPACE_URI = "dc"; |
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42 |
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43 public static final double FAR_AWAY = 99999d; |
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44 |
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45 protected static final class Entry { |
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46 |
| 9299 | 47 Entry next; |
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48 XPathFunction function; |
| 9299 | 49 int arity; |
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50 |
| 9299 | 51 public Entry(final Entry next, final XPathFunction function, final int arity) { |
| 52 this.next = next; | |
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53 this.function = function; |
| 9299 | 54 this.arity = arity; |
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55 } |
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56 |
| 9299 | 57 XPathFunction find(final int arity) { |
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58 Entry current = this; |
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59 while (current != null) { |
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60 if (current.arity == arity) { |
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61 return current.function; |
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62 } |
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63 current = current.next; |
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64 } |
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65 return null; |
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66 } |
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67 } // class Entry |
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68 |
| 4594 | 69 /** List of functions. */ |
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70 protected Map<String, Entry> functions; |
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71 |
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72 protected Builder.BuildHelper buildHelper; |
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73 |
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74 public FunctionResolver() { |
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75 this(null); |
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76 } |
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77 |
| 9299 | 78 public FunctionResolver(final Builder.BuildHelper buildHelper) { |
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79 this.buildHelper = buildHelper; |
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80 |
| 9299 | 81 this.functions = new HashMap<>(); |
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82 |
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83 addFunction("coalesce", 2, new XPathFunction() { |
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84 @Override |
| 9299 | 85 public Object evaluate(final List args) throws XPathFunctionException { |
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86 return coalesce(args); |
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87 } |
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88 }); |
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89 |
| 9299 | 90 addFunction("toString", 1, new XPathFunction() { |
| 91 @Override | |
| 92 public Object evaluate(final List args) throws XPathFunctionException { | |
| 93 final Object arg = args.get(0); | |
| 94 return arg == null ? null : arg.toString(); | |
| 95 } | |
| 96 }); | |
| 97 | |
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98 addFunction("lowercase", 1, new XPathFunction() { |
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99 @Override |
| 9299 | 100 public Object evaluate(final List args) throws XPathFunctionException { |
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101 return args.get(0).toString().toLowerCase(); |
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102 } |
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103 }); |
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104 |
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105 addFunction("uppercase", 1, new XPathFunction() { |
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106 @Override |
| 9299 | 107 public Object evaluate(final List args) throws XPathFunctionException { |
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108 return args.get(0).toString().toUpperCase(); |
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109 } |
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110 }); |
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111 |
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112 addFunction("contains", 2, new XPathFunction() { |
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113 @Override |
| 9299 | 114 public Object evaluate(final List args) throws XPathFunctionException { |
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115 return contains(args); |
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116 } |
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117 }); |
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118 |
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119 addFunction("fromValue", 3, new XPathFunction() { |
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120 @Override |
| 9299 | 121 public Object evaluate(final List args) throws XPathFunctionException { |
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122 return fromValue(args); |
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123 } |
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124 }); |
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125 |
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126 addFunction("toValue", 3, new XPathFunction() { |
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127 @Override |
| 9299 | 128 public Object evaluate(final List args) throws XPathFunctionException { |
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129 return toValue(args); |
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130 } |
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131 }); |
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132 |
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133 addFunction("replace", 3, new XPathFunction() { |
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134 @Override |
| 9299 | 135 public Object evaluate(final List args) throws XPathFunctionException { |
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136 return replace(args); |
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137 } |
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138 }); |
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139 |
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140 addFunction("replace-all", 3, new XPathFunction() { |
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141 @Override |
| 9299 | 142 public Object evaluate(final List args) throws XPathFunctionException { |
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143 return replaceAll(args); |
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144 } |
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145 }); |
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146 |
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147 addFunction("has-result", 0, new XPathFunction() { |
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148 @Override |
| 9299 | 149 public Object evaluate(final List args) throws XPathFunctionException { |
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150 return FunctionResolver.this.buildHelper.hasResult(); |
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151 } |
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152 }); |
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153 |
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154 addFunction("group-key", 0, new XPathFunction() { |
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155 @Override |
| 9299 | 156 public Object evaluate(final List args) throws XPathFunctionException { |
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157 return FunctionResolver.this.buildHelper.getGroupKey(); |
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158 } |
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159 }); |
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160 |
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161 addFunction("date-format", 2, new XPathFunction() { |
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162 @Override |
| 9299 | 163 public Object evaluate(final List args) throws XPathFunctionException { |
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164 return dateFormat(args); |
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165 } |
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166 }); |
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167 |
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168 addFunction("dump-variables", 0, new XPathFunction() { |
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169 @Override |
| 9299 | 170 public Object evaluate(final List args) throws XPathFunctionException { |
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171 return FunctionResolver.this.buildHelper.frames.dump(); |
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172 } |
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173 }); |
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174 |
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175 addFunction("get", 1, new XPathFunction() { |
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176 @Override |
| 9299 | 177 public Object evaluate(final List args) throws XPathFunctionException { |
| 178 final Object o = args.get(0); | |
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179 if (o instanceof String) { |
| 9299 | 180 return FunctionResolver.this.buildHelper.frames.getNull((String) o, StackFrames.NULL); |
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181 } |
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182 return StackFrames.NULL; |
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183 } |
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184 }); |
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185 |
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186 addFunction("all-state-successors", 2, new XPathFunction() { |
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187 @Override |
| 9299 | 188 public Object evaluate(final List args) throws XPathFunctionException { |
| 189 final Object artifactName = args.get(0); | |
| 190 final Object stateId = args.get(1); | |
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191 |
| 9299 | 192 return artifactName instanceof String && stateId instanceof String ? allStateSuccessors((String) artifactName, (String) stateId) |
| 193 : Collections.<String>emptySet(); | |
|
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194 } |
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195 }); |
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196 |
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197 addFunction("find-all", 2, new XPathFunction() { |
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198 @Override |
| 9299 | 199 public Object evaluate(final List args) throws XPathFunctionException { |
| 200 final Object needle = args.get(0); | |
| 201 final Object haystack = args.get(1); | |
| 202 return haystack instanceof String && needle instanceof String ? findAll((String) needle, (String) haystack) : Collections.<String>emptyList(); | |
|
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203 } |
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204 }); |
|
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205 |
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206 addFunction("max-number", 1, new XPathFunction() { |
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207 @Override |
| 9299 | 208 public Object evaluate(final List args) throws XPathFunctionException { |
|
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209 return maxNumber(args.get(0)); |
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210 } |
|
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211 }); |
|
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212 |
|
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213 addFunction("min-number", 1, new XPathFunction() { |
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214 @Override |
| 9299 | 215 public Object evaluate(final List args) throws XPathFunctionException { |
|
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216 return minNumber(args.get(0)); |
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217 } |
|
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218 }); |
|
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219 |
|
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Added new 'column' xpath function that allows to access a data-column via a name using variable replacement.
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220 addFunction("column", 1, new XPathFunction() { |
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221 @Override |
| 9299 | 222 public Object evaluate(final List args) throws XPathFunctionException { |
|
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223 return column(args.get(0)); |
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224 } |
|
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225 }); |
|
9232
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Implemented xpath function that selectes the 'mean year' of a fixation-artifact.
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226 |
|
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227 addFunction(FixAnalysisYearXPathFunction.ID, FixAnalysisYearXPathFunction.ARITY, new FixAnalysisYearXPathFunction(buildHelper.getContext())); |
| 9299 | 228 |
| 229 addFunction(DefaultVegetationZoneXPathFunction.ID, DefaultVegetationZoneXPathFunction.ARITY, new DefaultVegetationZoneXPathFunction()); | |
| 230 | |
| 231 addFunction(DataFromArtifactXPathFunction.ID, DataFromArtifactXPathFunction.ARITY, new DataFromArtifactXPathFunction(buildHelper.getContext())); | |
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232 } |
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233 |
| 4594 | 234 /** |
| 235 * Create a new function. | |
| 9299 | 236 * |
| 237 * @param name | |
| 238 * Name of the function. | |
| 239 * @param arity | |
| 240 * Number of arguments for function. | |
| 241 * @param function | |
| 242 * the function itself. | |
| 4594 | 243 */ |
| 9299 | 244 public void addFunction(final String name, final int arity, final XPathFunction function) { |
| 245 Entry entry = this.functions.get(name); | |
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246 if (entry == null) { |
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247 entry = new Entry(null, function, arity); |
| 9299 | 248 this.functions.put(name, entry); |
| 249 } else { | |
| 250 final Entry newEntry = new Entry(entry.next, function, arity); | |
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251 entry.next = newEntry; |
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252 } |
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253 } |
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254 |
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255 @Override |
| 9299 | 256 public XPathFunction resolveFunction(final QName functionName, final int arity) { |
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257 |
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258 if (!functionName.getNamespaceURI().equals(FUNCTION_NAMESPACE_URI)) { |
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259 return null; |
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260 } |
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261 |
| 9299 | 262 final Entry entry = this.functions.get(functionName.getLocalPart()); |
| 263 return entry != null ? entry.find(arity) : null; | |
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264 } |
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265 |
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266 /** Implementation of case-ignoring dc:contains. */ |
| 9299 | 267 public static Object contains(final List args) throws XPathFunctionException { |
| 268 final Object haystack = args.get(0); | |
| 269 Object needle = args.get(1); | |
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270 |
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271 if (needle instanceof String && !(haystack instanceof String)) { |
| 9299 | 272 needle = ((String) needle).toUpperCase(); |
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273 } |
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274 |
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275 try { |
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276 if (haystack instanceof Collection) { |
| 9299 | 277 return Boolean.valueOf(((Collection) haystack).contains(needle)); |
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278 } |
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279 |
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280 if (haystack instanceof Map) { |
| 9299 | 281 return Boolean.valueOf(((Map) haystack).containsKey(needle)); |
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282 } |
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283 |
| 9299 | 284 if (haystack instanceof Object[]) { |
| 285 for (final Object straw : (Object[]) haystack) { | |
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286 if (straw.equals(needle)) { |
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287 return Boolean.TRUE; |
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288 } |
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289 } |
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290 } |
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291 |
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292 if (haystack instanceof String && needle instanceof String) { |
| 9299 | 293 final String h = (String) haystack; |
| 294 final String n = (String) needle; | |
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295 return h.contains(n); |
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296 } |
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297 |
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298 return Boolean.FALSE; |
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299 } |
| 9299 | 300 catch (final Exception e) { |
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301 log.error(e); |
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302 throw new XPathFunctionException(e); |
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303 } |
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304 } |
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305 |
| 9299 | 306 /** |
| 307 * Implementation for getting the minimum value of location or distance | |
| 308 * dc:fromValue. | |
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309 */ |
| 9299 | 310 public static Object fromValue(final List args) throws XPathFunctionException { |
| 311 final Object mode = args.get(0); | |
| 312 final Object locations = args.get(1); | |
| 313 final Object from = args.get(2); | |
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314 |
| 9299 | 315 if ((mode instanceof String && mode.equals("location")) || (locations instanceof String && !((String) locations).isEmpty())) { |
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316 if (!(locations instanceof String)) { |
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317 return -FAR_AWAY; |
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318 } |
| 9299 | 319 final String loc = ((String) locations).replace(" ", ""); |
| 320 final String[] split = loc.split(","); | |
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321 if (split.length < 1) { |
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322 return -FAR_AWAY; |
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323 } |
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324 try { |
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325 double min = Double.parseDouble(split[0]); |
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326 for (int i = 1; i < split.length; ++i) { |
| 9299 | 327 final double v = Double.parseDouble(split[i]); |
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328 if (v < min) { |
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329 min = v; |
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330 } |
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331 } |
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332 return min; |
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333 } |
| 9299 | 334 catch (final NumberFormatException nfe) { |
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335 return -FAR_AWAY; |
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336 } |
| 9299 | 337 } else { |
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338 if (!(from instanceof String)) { |
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339 return -FAR_AWAY; |
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340 } |
| 9299 | 341 final String f = (String) from; |
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342 try { |
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343 return Double.parseDouble(f); |
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344 } |
| 9299 | 345 catch (final NumberFormatException nfe) { |
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346 return -FAR_AWAY; |
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347 } |
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348 } |
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349 } |
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350 |
| 9299 | 351 /** |
| 352 * Implementation for getting the maximum value of location or distance | |
| 353 * dc:toValue. | |
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354 */ |
| 9299 | 355 public static Object toValue(final List args) throws XPathFunctionException { |
| 356 final Object mode = args.get(0); | |
| 357 final Object locations = args.get(1); | |
| 358 final Object to = args.get(2); | |
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359 |
| 9299 | 360 if ((mode instanceof String && mode.equals("location")) || (locations instanceof String && !((String) locations).isEmpty())) { |
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361 if (!(locations instanceof String)) { |
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362 return FAR_AWAY; |
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363 } |
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364 try { |
| 9299 | 365 final String loc = ((String) locations).replace(" ", ""); |
| 366 final String[] split = loc.split(","); | |
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367 if (split.length < 1) { |
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368 return FAR_AWAY; |
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369 } |
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370 double max = Double.parseDouble(split[0]); |
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371 for (int i = 1; i < split.length; ++i) { |
| 9299 | 372 final double v = Double.parseDouble(split[i]); |
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373 if (v > max) { |
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374 max = v; |
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375 } |
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376 } |
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Datacage Function Resolver: Lift from static to object space.
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377 return max; |
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Datacage Function Resolver: Lift from static to object space.
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378 } |
| 9299 | 379 catch (final NumberFormatException nfe) { |
|
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7e837c5c377b
Datacage: toValue/fromValue: Use constant instead of hard coded number.
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380 return FAR_AWAY; |
|
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Datacage Function Resolver: Lift from static to object space.
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381 } |
| 9299 | 382 } else { |
|
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Datacage Function Resolver: Lift from static to object space.
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383 if (!(to instanceof String)) { |
|
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Datacage: toValue/fromValue: Use constant instead of hard coded number.
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384 return FAR_AWAY; |
| 9299 | 385 } else { |
| 386 final String t = (String) to; | |
|
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Datacage Function Resolver: Lift from static to object space.
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387 try { |
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Datacage Function Resolver: Lift from static to object space.
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388 return Double.parseDouble(t); |
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Datacage Function Resolver: Lift from static to object space.
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|
389 } |
| 9299 | 390 catch (final NumberFormatException nfe) { |
|
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Datacage: toValue/fromValue: Use constant instead of hard coded number.
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391 return FAR_AWAY; |
|
5430
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Datacage Function Resolver: Lift from static to object space.
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parents:
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392 } |
|
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Datacage Function Resolver: Lift from static to object space.
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393 } |
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Datacage Function Resolver: Lift from static to object space.
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394 } |
|
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Datacage Function Resolver: Lift from static to object space.
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395 } |
|
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f8a4ee86d276
Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
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|
396 |
| 9299 | 397 /** |
| 398 * Implementation for doing a string replace | |
| 399 * dc:replace . | |
|
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Add dc:replace function for datacage
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|
400 */ |
| 9299 | 401 public static Object replace(final List args) throws XPathFunctionException { |
| 402 final Object haystack = args.get(0); | |
| 403 final Object needle = args.get(1); | |
| 404 final Object replacement = args.get(2); | |
|
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Add dc:replace function for datacage
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parents:
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|
405 |
| 9299 | 406 if (needle instanceof String && haystack instanceof String && replacement instanceof String) { |
| 407 return ((String) haystack).replace((String) needle, (String) replacement); | |
|
5561
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Add dc:replace function for datacage
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|
408 } |
|
6126
57fb50f8c9fc
Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
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409 return haystack; |
|
57fb50f8c9fc
Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
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410 } |
|
57fb50f8c9fc
Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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411 |
| 9299 | 412 /** |
| 413 * Implementation for doing a string replace | |
| 414 * dc:replace-all | |
|
6126
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Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
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|
415 */ |
| 9299 | 416 public static Object replaceAll(final List args) throws XPathFunctionException { |
| 417 final Object haystack = args.get(0); | |
| 418 final Object needle = args.get(1); | |
| 419 final Object replacement = args.get(2); | |
|
6126
57fb50f8c9fc
Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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420 |
| 9299 | 421 if (needle instanceof String && haystack instanceof String && replacement instanceof String) { |
| 422 return ((String) haystack).replaceAll((String) needle, (String) replacement); | |
|
6126
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Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6080
diff
changeset
|
423 } |
|
57fb50f8c9fc
Datacage: Added function dc:replace-all(haystack, needle, replacement) to do regular expression replacements. Mapped to Java's String haystack.replaceAll(needle, replacement).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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424 return haystack; |
|
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Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
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changeset
|
425 } |
|
5608
62513c9183ba
Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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changeset
|
426 |
| 9299 | 427 public static Object dateFormat(final List args) throws XPathFunctionException { |
| 428 final Object pattern = args.get(0); | |
| 429 Object date = args.get(1); | |
|
5784
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
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430 |
|
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
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|
431 try { |
|
8460
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
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|
432 // TODO: Take locale into account. |
| 9299 | 433 final SimpleDateFormat format = new SimpleDateFormat((String) pattern); |
|
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Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
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|
434 |
|
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
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changeset
|
435 if (date instanceof Number) { |
| 9299 | 436 return format.format(new Date(((Number) date).longValue())); |
|
8460
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
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|
437 } |
|
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
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diff
changeset
|
438 |
|
5608
62513c9183ba
Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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diff
changeset
|
439 try { |
| 9299 | 440 /* |
| 441 * Oracle does not return a date object but | |
| 442 * an oracle.sql.TIMESTAMP | |
| 443 */ | |
| 444 final Method meth = date.getClass().getMethod("dateValue", new Class[] {}); | |
|
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Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
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diff
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|
445 date = meth.invoke(date, new Object[] {}); |
| 9299 | 446 } |
| 447 catch (final IllegalArgumentException e) { | |
| 448 } | |
| 449 catch (final IllegalAccessException e) { | |
| 450 } | |
| 451 catch (final InvocationTargetException e) { | |
| 452 } | |
| 453 catch (final NoSuchMethodException e) { | |
|
5608
62513c9183ba
Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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diff
changeset
|
454 } |
|
8460
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
8202
diff
changeset
|
455 |
|
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
8202
diff
changeset
|
456 if (date instanceof Date) { |
| 9299 | 457 return format.format((Date) date); |
|
5608
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Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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diff
changeset
|
458 } |
|
62513c9183ba
Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
5604
diff
changeset
|
459 } |
| 9299 | 460 catch (final IllegalArgumentException iae) { |
|
8460
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
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diff
changeset
|
461 log.error(iae.getMessage()); |
|
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
8202
diff
changeset
|
462 } |
|
081a57c80540
Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents:
8202
diff
changeset
|
463 |
|
5608
62513c9183ba
Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
5604
diff
changeset
|
464 return ""; |
|
62513c9183ba
Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents:
5604
diff
changeset
|
465 } |
|
6933
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
466 |
| 9299 | 467 public static Set<String> allStateSuccessors(final String artifactName, final String stateId) { |
| 468 final GlobalContext gc = RiverContextFactory.getGlobalContext(); | |
|
6933
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
469 if (gc == null) { |
|
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
470 return Collections.<String>emptySet(); |
|
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
471 } |
| 9299 | 472 final Object o = gc.get(RiverContext.TRANSITION_ENGINE_KEY); |
|
6933
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
473 if (o instanceof TransitionEngine) { |
| 9299 | 474 final TransitionEngine te = (TransitionEngine) o; |
|
6933
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
475 return te.allRecursiveSuccessorStateIds(artifactName, stateId); |
|
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
476 } |
|
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
477 return Collections.<String>emptySet(); |
|
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
478 } |
|
7382
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
479 |
| 9299 | 480 public static Collection<String> findAll(final String needle, final String haystack) { |
|
7382
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
481 |
| 9299 | 482 final ArrayList<String> result = new ArrayList<>(); |
|
7382
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
483 |
| 9299 | 484 final Pattern pattern = Pattern.compile(needle); |
| 485 final Matcher matcher = pattern.matcher(haystack); | |
|
7382
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
486 while (matcher.find()) { |
|
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
487 result.add(matcher.group()); |
|
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
488 } |
|
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
489 return result; |
|
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
490 } |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
491 |
| 9299 | 492 public static Number maxNumber(final Object list) { |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
493 if (list instanceof Collection) { |
| 9299 | 494 final Collection collection = (Collection) list; |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
495 double max = -Double.MAX_VALUE; |
| 9299 | 496 for (final Object x : collection) { |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
497 Number n; |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
498 if (x instanceof Number) { |
| 9299 | 499 n = (Number) x; |
| 500 } else if (x instanceof String) { | |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
501 try { |
| 9299 | 502 n = Double.valueOf((String) x); |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
503 } |
| 9299 | 504 catch (final NumberFormatException nfe) { |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
505 log.warn("'" + x + "' is not a number."); |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
506 continue; |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
507 } |
| 9299 | 508 } else { |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
509 log.warn("'" + x + "' is not a number."); |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
510 continue; |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
511 } |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
512 |
| 9299 | 513 final double v = n.doubleValue(); |
|
7383
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
514 |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
515 if (v > max) { |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
516 max = v; |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7382
diff
changeset
|
517 } |
|
36a194156f15
Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
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518 } |
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519 |
| 9299 | 520 return Double.valueOf(max == -Double.MAX_VALUE ? Double.MAX_VALUE : max); |
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Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
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521 } |
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522 |
| 9299 | 523 return list instanceof Number ? (Number) list : Double.valueOf(Double.MAX_VALUE); |
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524 } |
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525 |
| 9299 | 526 public static Number minNumber(final Object list) { |
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527 if (list instanceof Collection) { |
| 9299 | 528 final Collection collection = (Collection) list; |
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529 double min = Double.MAX_VALUE; |
| 9299 | 530 for (final Object x : collection) { |
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531 Number n; |
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532 if (x instanceof Number) { |
| 9299 | 533 n = (Number) x; |
| 534 } else if (x instanceof String) { | |
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535 try { |
| 9299 | 536 n = Double.valueOf((String) x); |
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537 } |
| 9299 | 538 catch (final NumberFormatException nfe) { |
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539 log.warn("'" + x + "' is not a number."); |
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540 continue; |
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541 } |
| 9299 | 542 } else { |
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543 log.warn("'" + x + "' is not a number."); |
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544 continue; |
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545 } |
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546 |
| 9299 | 547 final double v = n.doubleValue(); |
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548 |
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549 if (v < min) { |
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550 min = v; |
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551 } |
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552 } |
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553 |
| 9299 | 554 return Double.valueOf(min == Double.MAX_VALUE ? -Double.MAX_VALUE : min); |
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555 } |
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Datacage: Added dc:min-number(list) and dc:max-number(list) to extract the numerical
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556 |
| 9299 | 557 return list instanceof Number ? (Number) list : Double.valueOf(-Double.MAX_VALUE); |
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558 } |
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Added dc:coalesce(a, b). Returns first element which is not empty or not zero.
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559 |
| 9299 | 560 public static Object coalesce(final List list) { |
| 561 for (final Object x : list) { | |
| 562 if (x instanceof String && ((String) x).length() != 0) { | |
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563 return x; |
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564 } |
| 9299 | 565 if (x instanceof Number && ((Number) x).doubleValue() != 0.0) { |
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Added dc:coalesce(a, b). Returns first element which is not empty or not zero.
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566 return x; |
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567 } |
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Added dc:coalesce(a, b). Returns first element which is not empty or not zero.
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568 } |
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Added dc:coalesce(a, b). Returns first element which is not empty or not zero.
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569 return StackFrames.NULL; |
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570 } |
|
8960
66ce19d2c5f1
Added new 'column' xpath function that allows to access a data-column via a name using variable replacement.
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571 |
| 9299 | 572 private Object column(final Object argument) { |
| 573 | |
| 574 if (!(argument instanceof String)) | |
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575 throw new IllegalArgumentException("Argument of 'column' function must be a string"); |
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576 |
| 9299 | 577 final String columnName = (String) argument; |
| 578 | |
| 579 final StackFrames frms = this.buildHelper.frames; | |
| 580 | |
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581 return frms.getNull(columnName); |
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582 } |
|
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
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583 } |
|
b81626b10cb7
Datacage: Moved templating in a better suited package.
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584 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |