Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsFilterBuilder.java @ 2683:f5af3adb3b95
Improved datacage configuration for floodmaps and maps and modified the WMS layer artifacts to support names for layers.
flys-artifacts/trunk@4383 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 10 May 2012 11:14:17 +0000 |
parents | 2e129754d450 |
children | 1b1af1597401 |
rev | line source |
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2608
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1 package de.intevation.flys.artifacts.model; |
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2 |
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3 import de.intevation.flys.artifacts.model.FixingsOverview.AndFilter; |
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4 import de.intevation.flys.artifacts.model.FixingsOverview.DateFilter; |
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5 import de.intevation.flys.artifacts.model.FixingsOverview.DateRangeFilter; |
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6 |
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7 import de.intevation.flys.artifacts.model.FixingsOverview.Fixing.Filter; |
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8 |
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9 import de.intevation.flys.artifacts.model.FixingsOverview.IdFilter; |
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10 import de.intevation.flys.artifacts.model.FixingsOverview.NotFilter; |
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11 import de.intevation.flys.artifacts.model.FixingsOverview.OrFilter; |
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12 import de.intevation.flys.artifacts.model.FixingsOverview.Range; |
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13 import de.intevation.flys.artifacts.model.FixingsOverview.SectorRangeFilter; |
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14 |
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15 import java.text.ParsePosition; |
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16 import java.text.SimpleDateFormat; |
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17 |
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18 import java.util.ArrayList; |
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19 import java.util.Date; |
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20 import java.util.List; |
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21 |
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22 import org.apache.log4j.Logger; |
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23 |
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24 import org.w3c.dom.Document; |
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25 import org.w3c.dom.Element; |
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26 import org.w3c.dom.Node; |
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27 import org.w3c.dom.NodeList; |
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28 |
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29 public class FixingsFilterBuilder |
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30 { |
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31 private static Logger log = Logger.getLogger(FixingsFilterBuilder.class); |
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32 |
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33 protected Filter filter; |
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34 protected Range range; |
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35 |
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36 protected Document document; |
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37 |
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38 public FixingsFilterBuilder() { |
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39 } |
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40 |
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41 public FixingsFilterBuilder(Document document) { |
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42 this.document = document; |
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43 } |
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44 |
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45 public Filter getFilter() { |
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46 if (filter == null) { |
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47 filter = buildFilter(); |
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48 } |
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49 return filter; |
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50 } |
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51 |
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52 public Range getRange() { |
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53 if (range == null) { |
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54 range = buildRange(); |
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55 } |
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56 return range; |
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57 } |
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58 |
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59 public Document getDocument() { |
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60 return document; |
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61 } |
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62 |
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63 protected Range buildRange() { |
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64 |
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65 NodeList ranges = document.getElementsByTagName("range"); |
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66 |
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67 if (ranges.getLength() < 1) { |
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68 return FixingsOverview.FULL_EXTENT; |
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69 } |
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70 |
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71 Element range = (Element)ranges.item(0); |
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72 |
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73 String from = range.getAttribute("from").trim(); |
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74 String to = range.getAttribute("to" ).trim(); |
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75 |
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76 double start = -Double.MAX_VALUE; |
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77 double end = Double.MAX_VALUE; |
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78 |
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79 if (from.length() > 0) { |
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80 try { |
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81 start = Double.parseDouble(from); |
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82 } |
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83 catch (NumberFormatException nfe) { |
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84 log.warn("Invalid from value: " + from); |
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85 } |
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86 } |
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87 |
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88 if (to.length() > 0) { |
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89 try { |
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90 end = Double.parseDouble(to); |
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91 } |
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92 catch (NumberFormatException nfe) { |
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93 log.warn("Invalid to value: " + to); |
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94 } |
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95 } |
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96 |
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97 if (start > end) { |
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98 double t = start; |
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99 start = end; |
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100 end = t; |
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101 } |
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102 |
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103 return new Range(start, end); |
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104 } |
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105 |
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106 protected Filter buildFilter() { |
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107 NodeList filters = document.getElementsByTagName("filter"); |
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108 |
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109 return filters.getLength() < 1 |
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110 ? FixingsOverview.ACCEPT |
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111 : buildFilter((Element)filters.item(0)); |
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112 } |
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113 |
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114 protected static Filter buildFilter(Element root) { |
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115 List<Filter> filters = buildRecursiveFilter(root); |
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116 switch (filters.size()) { |
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117 case 0: return FixingsOverview.ACCEPT; |
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118 case 1: return filters.get(0); |
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119 default: return new AndFilter(filters); |
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120 } |
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121 } |
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122 |
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123 protected static final Date parseDate(String text) { |
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124 SimpleDateFormat format = |
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125 new SimpleDateFormat(FixingsOverview.DATE_FORMAT); |
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126 return format.parse(text, new ParsePosition(0)); |
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127 } |
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128 |
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129 protected static List<Filter> buildRecursiveFilter(Element root) { |
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130 List<Filter> filters = new ArrayList<Filter>(); |
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131 |
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132 NodeList children = root.getChildNodes(); |
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133 |
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134 for (int i = 0, N = children.getLength(); i < N; ++i) { |
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135 Node child = children.item(i); |
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136 if (child.getNodeType() != Node.ELEMENT_NODE) { |
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137 continue; |
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138 } |
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139 |
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140 Element element = (Element)child; |
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141 String name = element.getLocalName(); |
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142 |
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143 if ("and".equals(name)) { |
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144 filters.add(new AndFilter(buildRecursiveFilter(element))); |
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145 } |
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146 else if ("or".equals(name)) { |
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147 filters.add(new OrFilter(buildRecursiveFilter(element))); |
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Refactored the code of the fixings filter building to be useful in more cases.
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148 } |
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149 else if ("not".equals(name)) { |
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150 List<Filter> childrenFilters = buildRecursiveFilter(element); |
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151 if (!childrenFilters.isEmpty()) { |
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152 filters.add(new NotFilter(childrenFilters.get(0))); |
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153 } |
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154 } |
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155 else if ("column".equals(name)) { |
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|
156 String cid = element.getAttribute("cid").trim(); |
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157 if (cid.length() > 0) { |
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158 try { |
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159 filters.add(new IdFilter(Integer.parseInt(cid))); |
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|
160 } |
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|
161 catch (NumberFormatException nfe) { |
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162 log.warn(nfe); |
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|
163 } |
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|
164 } |
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|
165 } |
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|
166 else if ("date".equals(name)) { |
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|
167 String when = element.getAttribute("when").trim(); |
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168 if (when.length() > 0) { |
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|
169 Date date = parseDate(when); |
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Refactored the code of the fixings filter building to be useful in more cases.
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170 if (date != null) { |
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171 filters.add(new DateFilter(date)); |
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|
172 } |
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|
173 } |
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Refactored the code of the fixings filter building to be useful in more cases.
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|
174 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
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|
175 else if ("date-range".equals(name)) { |
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Refactored the code of the fixings filter building to be useful in more cases.
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|
176 String from = element.getAttribute("from").trim(); |
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177 String to = element.getAttribute("to" ).trim(); |
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178 if (from.length() > 0 && to.length() > 0) { |
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179 Date start = parseDate(from); |
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180 Date end = parseDate(to); |
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181 if (start != null && end != null) { |
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182 filters.add(new DateRangeFilter(start, end)); |
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Refactored the code of the fixings filter building to be useful in more cases.
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|
183 } |
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|
184 } |
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185 } |
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Refactored the code of the fixings filter building to be useful in more cases.
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186 else if ("sector-range".equals(name)) { |
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Refactored the code of the fixings filter building to be useful in more cases.
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187 String from = element.getAttribute("from").trim(); |
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188 String to = element.getAttribute("to" ).trim(); |
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Refactored the code of the fixings filter building to be useful in more cases.
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189 if (from.length() > 0 && to.length() > 0) { |
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Refactored the code of the fixings filter building to be useful in more cases.
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190 try { |
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191 filters.add(new SectorRangeFilter( |
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Refactored the code of the fixings filter building to be useful in more cases.
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192 Integer.parseInt(from), |
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193 Integer.parseInt(to))); |
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194 } |
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195 catch (NumberFormatException nfe) { |
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196 log.warn(nfe); |
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Refactored the code of the fixings filter building to be useful in more cases.
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197 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
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198 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
199 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
200 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
201 |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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202 return filters; |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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203 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
204 } |
938e2f6c0c9a
Refactored the code of the fixings filter building to be useful in more cases.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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205 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |