Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/datacage/templating/FunctionResolver.java @ 7508:02841af5feff
cosmetics - full stop.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 01 Nov 2013 16:41:16 +0100 |
parents | 99312d2b4a20 |
children | 6d5cbd69511a |
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 |
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11 import java.text.SimpleDateFormat; |
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12 import java.util.ArrayList; |
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13 import java.util.Collection; |
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14 import java.util.Collections; |
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15 import java.util.Date; |
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16 import java.util.List; |
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17 import java.util.Map; |
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18 import java.util.HashMap; |
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19 import java.util.Set; |
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20 import java.util.regex.Matcher; |
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21 import java.util.regex.Pattern; |
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22 |
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23 import java.lang.reflect.InvocationTargetException; |
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24 import java.lang.reflect.Method; |
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25 |
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26 import javax.xml.namespace.QName; |
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27 |
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28 import javax.xml.xpath.XPathFunction; |
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29 import javax.xml.xpath.XPathFunctionException; |
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30 import javax.xml.xpath.XPathFunctionResolver; |
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31 |
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32 import org.apache.log4j.Logger; |
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33 import org.dive4elements.artifactdatabase.transition.TransitionEngine; |
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34 import org.dive4elements.artifacts.GlobalContext; |
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35 import org.dive4elements.river.artifacts.context.RiverContext; |
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36 import org.dive4elements.river.artifacts.context.RiverContextFactory; |
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37 |
4594 | 38 |
39 /** Resolves functions (e.g. dc:contains) in Datacage/Meta-Data system. */ | |
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40 public class FunctionResolver |
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41 implements XPathFunctionResolver |
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42 { |
4594 | 43 /** Home logger. */ |
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44 private static Logger log = Logger.getLogger(FunctionResolver.class); |
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45 |
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46 public static final String FUNCTION_NAMESPACE_URI = "dc"; |
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47 |
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48 public static final double FAR_AWAY = 99999d; |
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49 |
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50 protected static final class Entry { |
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51 |
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52 Entry next; |
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53 XPathFunction function; |
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54 int arity; |
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55 |
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56 public Entry(Entry next, XPathFunction function, int arity) { |
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57 this.next = next; |
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58 this.function = function; |
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59 this.arity = arity; |
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60 } |
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61 |
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62 XPathFunction find(int arity) { |
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63 Entry current = this; |
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64 while (current != null) { |
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65 if (current.arity == arity) { |
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66 return current.function; |
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67 } |
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68 current = current.next; |
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69 } |
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70 return null; |
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71 } |
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72 } // class Entry |
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73 |
4594 | 74 /** List of functions. */ |
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75 protected Map<String, Entry> functions; |
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76 |
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77 protected Builder.BuildHelper buildHelper; |
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78 |
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79 |
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80 public FunctionResolver() { |
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81 this(null); |
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82 } |
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83 |
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84 public FunctionResolver(Builder.BuildHelper buildHelper) { |
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85 this.buildHelper = buildHelper; |
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86 |
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87 functions = new HashMap<String, Entry>(); |
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88 |
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89 addFunction("contains", 2, new XPathFunction() { |
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90 @Override |
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91 public Object evaluate(List args) throws XPathFunctionException { |
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92 return contains(args); |
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93 } |
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94 }); |
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95 |
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96 addFunction("fromValue", 3, new XPathFunction() { |
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97 @Override |
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98 public Object evaluate(List args) throws XPathFunctionException { |
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99 return fromValue(args); |
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100 } |
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101 }); |
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102 |
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103 addFunction("toValue", 3, new XPathFunction() { |
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104 @Override |
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105 public Object evaluate(List args) throws XPathFunctionException { |
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106 return toValue(args); |
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107 } |
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108 }); |
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109 |
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110 addFunction("replace", 3, new XPathFunction() { |
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111 @Override |
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112 public Object evaluate(List args) throws XPathFunctionException { |
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113 return replace(args); |
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114 } |
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115 }); |
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116 |
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117 addFunction("replace-all", 3, new XPathFunction() { |
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118 @Override |
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119 public Object evaluate(List args) throws XPathFunctionException { |
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120 return replaceAll(args); |
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121 } |
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122 }); |
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123 |
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124 addFunction("has-result", 0, new XPathFunction() { |
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125 @Override |
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126 public Object evaluate(List args) throws XPathFunctionException { |
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127 return FunctionResolver.this.buildHelper.hasResult(); |
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128 } |
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129 }); |
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130 |
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131 addFunction("group-key", 0, new XPathFunction() { |
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132 @Override |
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133 public Object evaluate(List args) throws XPathFunctionException { |
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134 return FunctionResolver.this.buildHelper.getGroupKey(); |
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135 } |
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136 }); |
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137 |
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138 addFunction("date-format", 2, new XPathFunction() { |
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139 @Override |
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140 public Object evaluate(List args) throws XPathFunctionException { |
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141 return dateFormat(args); |
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142 } |
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143 }); |
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144 |
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145 addFunction("dump-variables", 0, new XPathFunction() { |
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146 @Override |
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147 public Object evaluate(List args) throws XPathFunctionException { |
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148 return FunctionResolver.this.buildHelper.frames.dump(); |
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149 } |
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150 }); |
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151 |
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152 addFunction("get", 1, new XPathFunction() { |
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153 @Override |
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154 public Object evaluate(List args) throws XPathFunctionException { |
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155 Object o = args.get(0); |
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156 if (o instanceof String) { |
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157 return FunctionResolver.this.buildHelper.frames.getNull( |
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158 (String)o, StackFrames.NULL); |
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159 } |
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160 return StackFrames.NULL; |
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161 } |
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162 }); |
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163 |
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164 addFunction("all-state-successors", 2, new XPathFunction() { |
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165 @Override |
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166 public Object evaluate(List args) throws XPathFunctionException { |
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167 Object artifactName = args.get(0); |
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168 Object stateId = args.get(1); |
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169 |
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170 return artifactName instanceof String |
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171 && stateId instanceof String |
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172 ? allStateSuccessors((String)artifactName, (String)stateId) |
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173 : Collections.<String>emptySet(); |
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174 } |
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175 }); |
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176 |
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177 addFunction("find-all", 2, new XPathFunction() { |
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178 @Override |
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179 public Object evaluate(List args) throws XPathFunctionException { |
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180 Object needle = args.get(0); |
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181 Object haystack = args.get(1); |
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182 return haystack instanceof String |
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183 && needle instanceof String |
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184 ? findAll((String)needle, (String)haystack) |
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185 : Collections.<String>emptyList(); |
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186 } |
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187 }); |
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188 |
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189 addFunction("max-number", 1, new XPathFunction() { |
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190 @Override |
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191 public Object evaluate(List args) throws XPathFunctionException { |
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192 return maxNumber(args.get(0)); |
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193 } |
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194 }); |
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195 |
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196 addFunction("min-number", 1, new XPathFunction() { |
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197 @Override |
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198 public Object evaluate(List args) throws XPathFunctionException { |
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199 return minNumber(args.get(0)); |
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200 } |
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201 }); |
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202 |
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203 } |
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204 |
4594 | 205 /** |
206 * Create a new function. | |
207 * @param name Name of the function. | |
208 * @param arity Number of arguments for function. | |
209 * @param function the function itself. | |
210 */ | |
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211 public void addFunction(String name, int arity, XPathFunction function) { |
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212 Entry entry = functions.get(name); |
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213 if (entry == null) { |
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214 entry = new Entry(null, function, arity); |
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215 functions.put(name, entry); |
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216 } |
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217 else { |
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218 Entry newEntry = new Entry(entry.next, function, arity); |
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219 entry.next = newEntry; |
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220 } |
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221 } |
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222 |
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223 @Override |
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224 public XPathFunction resolveFunction(QName functionName, int arity) { |
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225 |
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226 if (!functionName.getNamespaceURI().equals(FUNCTION_NAMESPACE_URI)) { |
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227 return null; |
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228 } |
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229 |
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230 Entry entry = functions.get(functionName.getLocalPart()); |
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231 return entry != null |
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232 ? entry.find(arity) |
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233 : null; |
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234 } |
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235 |
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236 /** Implementation of case-ignoring dc:contains. */ |
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237 public Object contains(List args) throws XPathFunctionException { |
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238 Object haystack = args.get(0); |
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239 Object needle = args.get(1); |
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240 |
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241 if (needle instanceof String && !(haystack instanceof String)) { |
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242 needle = ((String)needle).toUpperCase(); |
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243 } |
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244 |
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245 try { |
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246 if (haystack instanceof Collection) { |
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247 return Boolean.valueOf( |
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248 ((Collection)haystack).contains(needle)); |
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249 } |
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250 |
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251 if (haystack instanceof Map) { |
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252 return Boolean.valueOf( |
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253 ((Map)haystack).containsKey(needle)); |
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254 } |
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255 |
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256 if (haystack instanceof Object []) { |
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257 for (Object straw: (Object [])haystack) { |
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258 if (straw.equals(needle)) { |
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259 return Boolean.TRUE; |
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260 } |
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261 } |
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262 } |
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263 |
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264 if (haystack instanceof String && needle instanceof String) { |
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265 String h = (String)haystack; |
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266 String n = (String)needle; |
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267 return h.contains(n); |
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268 } |
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269 |
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270 return Boolean.FALSE; |
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271 } |
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272 catch (Exception e) { |
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273 log.error(e); |
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274 throw new XPathFunctionException(e); |
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275 } |
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276 } |
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277 |
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278 /** Implementation for getting the minimum value of location or distance |
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279 * dc:fromValue. |
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280 */ |
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281 public Object fromValue(List args) throws XPathFunctionException { |
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282 Object mode = args.get(0); |
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283 Object locations = args.get(1); |
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284 Object from = args.get(2); |
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285 |
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286 if ((mode instanceof String && mode.equals("location")) || |
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287 (locations instanceof String && !((String)locations).isEmpty())) { |
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288 if (!(locations instanceof String)) { |
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289 return -FAR_AWAY; |
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290 } |
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291 String loc = ((String)locations).replace(" ", ""); |
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292 String[] split = loc.split(","); |
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293 if (split.length < 1) { |
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294 return -FAR_AWAY; |
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295 } |
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296 try { |
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297 double min = Double.parseDouble(split[0]); |
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298 for (int i = 1; i < split.length; ++i) { |
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299 double v = Double.parseDouble(split[i]); |
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300 if (v < min) { |
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301 min = v; |
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302 } |
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303 } |
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304 return min; |
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305 } |
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306 catch (NumberFormatException nfe) { |
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307 return -FAR_AWAY; |
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308 } |
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309 } |
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310 else { |
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311 if (!(from instanceof String)) { |
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312 return -FAR_AWAY; |
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313 } |
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314 String f = (String)from; |
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315 try { |
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316 return Double.parseDouble(f); |
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317 } |
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318 catch(NumberFormatException nfe) { |
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319 return -FAR_AWAY; |
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320 } |
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321 } |
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322 } |
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323 |
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324 /** Implementation for getting the maximum value of location or distance |
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325 * dc:toValue. |
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326 */ |
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327 public Object toValue(List args) throws XPathFunctionException { |
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328 Object mode = args.get(0); |
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329 Object locations = args.get(1); |
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330 Object to = args.get(2); |
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331 |
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332 if ((mode instanceof String && mode.equals("location")) || |
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333 (locations instanceof String && !((String)locations).isEmpty())) { |
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334 if (!(locations instanceof String)) { |
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335 return FAR_AWAY; |
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336 } |
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337 try { |
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338 String loc = ((String)locations).replace(" ", ""); |
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339 String[] split = loc.split(","); |
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340 if (split.length < 1) { |
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341 return FAR_AWAY; |
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342 } |
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343 double max = Double.parseDouble(split[0]); |
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344 for (int i = 1; i < split.length; ++i) { |
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345 double v = Double.parseDouble(split[i]); |
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346 if (v > max) { |
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347 max = v; |
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348 } |
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349 } |
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350 return max; |
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351 } |
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352 catch (NumberFormatException nfe) { |
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353 return FAR_AWAY; |
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354 } |
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355 } |
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356 else { |
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357 if (!(to instanceof String)) { |
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358 return FAR_AWAY; |
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359 } |
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360 else { |
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361 String t = (String)to; |
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362 try { |
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363 return Double.parseDouble(t); |
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364 } |
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365 catch (NumberFormatException nfe) { |
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366 return FAR_AWAY; |
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367 } |
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368 } |
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369 } |
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370 } |
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371 |
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372 /** Implementation for doing a string replace |
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373 * dc:replace . |
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374 */ |
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375 public Object replace(List args) throws XPathFunctionException { |
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376 Object haystack = args.get(0); |
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377 Object needle = args.get(1); |
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378 Object replacement = args.get(2); |
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379 |
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380 if (needle instanceof String |
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381 && haystack instanceof String |
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382 && replacement instanceof String) { |
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383 return ((String)haystack).replace( |
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384 (String)needle, (String)replacement); |
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385 } |
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386 return haystack; |
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387 } |
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388 |
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389 /** Implementation for doing a string replace |
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390 * dc:replace-all |
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391 */ |
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392 public Object replaceAll(List args) throws XPathFunctionException { |
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393 Object haystack = args.get(0); |
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394 Object needle = args.get(1); |
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395 Object replacement = args.get(2); |
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396 |
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397 if (needle instanceof String |
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398 && haystack instanceof String |
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399 && replacement instanceof String) { |
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400 return ((String)haystack).replaceAll( |
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changeset
|
401 (String)needle, (String)replacement); |
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:
6080
diff
changeset
|
402 } |
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:
6080
diff
changeset
|
403 return haystack; |
5561
f8a4ee86d276
Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents:
5433
diff
changeset
|
404 } |
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
|
405 |
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
|
406 public Object dateFormat(List args) throws XPathFunctionException { |
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
|
407 Object pattern = args.get(0); |
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
|
408 Object date = args.get(1); |
5784
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
409 |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
410 try { |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
411 // Oracle does not return a date object but an oracle.sql.TIMESTAMP |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
412 Method meth = date.getClass().getMethod("dateValue", new Class[] {}); |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
413 date = meth.invoke(date, new Object [] {}); |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
414 } catch (IllegalArgumentException e) { |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
415 } catch (IllegalAccessException e) { |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
416 } catch (InvocationTargetException e) { |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
417 } catch (NoSuchMethodException e) { |
efbbfe32e9fe
Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents:
5630
diff
changeset
|
418 } |
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
|
419 if (pattern instanceof String && date instanceof Date) { |
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
|
420 try { |
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
|
421 // TODO: Take locale into account. |
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
|
422 return new SimpleDateFormat((String)pattern).format((Date)date); |
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
|
423 } |
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
|
424 catch (IllegalArgumentException iae) { |
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
|
425 throw new XPathFunctionException(iae); |
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
|
426 } |
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
|
427 } |
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
|
428 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
|
429 } |
6933
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
430 |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
431 public Set<String> allStateSuccessors(String artifactName, String stateId) { |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
432 GlobalContext gc = RiverContextFactory.getGlobalContext(); |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
433 if (gc == null) { |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
434 return Collections.<String>emptySet(); |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
435 } |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
436 Object o = gc.get(RiverContext.TRANSITION_ENGINE_KEY); |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
437 if (o instanceof TransitionEngine) { |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
438 TransitionEngine te = (TransitionEngine)o; |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
439 return te.allRecursiveSuccessorStateIds(artifactName, stateId); |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
440 } |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($artifact-name, $current-state-id), 'state.winfo.calculation_mode') which recursively collects all successor state ids an check for containment.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
6448
diff
changeset
|
441 return Collections.<String>emptySet(); |
468d9ebda4ce
Datacage: Add dc:all-state-successors() to enable predicates like dc:contains(dc:all-state-successors($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
|
442 } |
7382
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
443 |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
444 public Collection<String> findAll(String needle, String haystack) { |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
445 |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
446 ArrayList<String> result = new ArrayList<String>(); |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
447 |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
448 Pattern pattern = Pattern.compile(needle); |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
449 Matcher matcher = pattern.matcher(haystack); |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
450 while (matcher.find()) { |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
451 result.add(matcher.group()); |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
452 } |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
453 return result; |
420eb5a5fde4
Datacage: Add function dc:find-all(needle, haystack).
Sascha L. Teichmann <teichmann@intevation.de>
parents:
7248
diff
changeset
|
454 } |
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
|
455 |
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
|
456 public Number maxNumber(Object list) { |
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
|
457 if (list instanceof Collection) { |
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
|
458 Collection collection = (Collection)list; |
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
|
459 double max = -Double.MAX_VALUE; |
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
|
460 for (Object x: collection) { |
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
|
461 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
|
462 if (x instanceof 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
|
463 n = (Number)x; |
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
|
464 } |
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
|
465 else if (x instanceof String) { |
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
|
466 try { |
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
|
467 n = Double.valueOf((String)x); |
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
|
468 } |
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
|
469 catch (NumberFormatException nfe) { |
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
|
470 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
|
471 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
|
472 } |
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
|
473 } |
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
|
474 else { |
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
|
475 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
|
476 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
|
477 } |
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
|
478 |
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
|
479 double v = n.doubleValue(); |
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
|
480 |
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
|
481 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
|
482 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
|
483 } |
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
|
484 } |
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
|
485 |
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
|
486 return Double.valueOf(max == -Double.MAX_VALUE |
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
|
487 ? Double.MAX_VALUE |
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
|
488 : 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
|
489 } |
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
|
490 |
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 return list instanceof 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
|
492 ? (Number)list |
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 : Double.valueOf(Double.MAX_VALUE); |
36a194156f15
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494 } |
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495 |
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496 public Number minNumber(Object list) { |
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497 if (list instanceof Collection) { |
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498 Collection collection = (Collection)list; |
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499 double min = Double.MAX_VALUE; |
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500 for (Object x: collection) { |
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501 Number n; |
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502 if (x instanceof Number) { |
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503 n = (Number)x; |
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504 } |
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505 else if (x instanceof String) { |
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506 try { |
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507 n = Double.valueOf((String)x); |
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508 } |
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509 catch (NumberFormatException nfe) { |
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510 log.warn("'" + x + "' is not a number."); |
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511 continue; |
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512 } |
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513 } |
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514 else { |
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515 log.warn("'" + x + "' is not a number."); |
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516 continue; |
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517 } |
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518 |
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519 double v = n.doubleValue(); |
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520 |
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521 if (v < min) { |
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522 min = v; |
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523 } |
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524 } |
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525 |
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526 return Double.valueOf(min == Double.MAX_VALUE |
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527 ? -Double.MAX_VALUE |
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528 : min); |
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529 } |
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530 |
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531 return list instanceof Number |
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532 ? (Number)list |
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533 : Double.valueOf(-Double.MAX_VALUE); |
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534 } |
998
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535 } |
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536 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |