Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/Builder.java @ 4255:670e98f5a441
Fixed leak while merging facets.
The ThemeList that is used by OutputHelper to sort the
Facets for an Output now uses a list to store the ManagedFacets.
The correct order is made up by sorting the List using
Collections.sort() function of the Java JDK. Therfore, the
ManagedFacet class implements the Comparable interface. The
return value of its compareTo(other) method depends on the
value of the 'position' field.
author | Ingo Weinzierl <weinzierl.ingo@googlemail.com> |
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date | Thu, 25 Oct 2012 14:01:46 +0200 |
parents | 58bdf95df5e4 |
children | daf0919df76d |
rev | line source |
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1 package de.intevation.flys.artifacts.datacage.templating; |
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2 |
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3 import java.util.regex.Pattern; |
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4 import java.util.regex.Matcher; |
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5 |
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6 import java.util.ArrayList; |
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7 import java.util.List; |
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8 import java.util.HashMap; |
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9 import java.util.Map; |
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10 import java.util.Deque; |
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11 import java.util.ArrayDeque; |
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12 |
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13 import org.w3c.dom.Document; |
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14 import org.w3c.dom.NodeList; |
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15 import org.w3c.dom.Node; |
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16 import org.w3c.dom.Element; |
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17 |
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18 import javax.xml.xpath.XPath; |
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19 import javax.xml.xpath.XPathFactory; |
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20 import javax.xml.xpath.XPathExpressionException; |
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21 import javax.xml.xpath.XPathConstants; |
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22 |
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23 import java.sql.SQLException; |
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24 import java.sql.Connection; |
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25 |
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26 import de.intevation.artifacts.common.utils.XMLUtils; |
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28 import de.intevation.flys.utils.Pair; |
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30 import org.apache.log4j.Logger; |
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31 |
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32 public class Builder |
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33 { |
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34 private static Logger log = Logger.getLogger(Builder.class); |
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35 |
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36 public static final String CONNECTION_USER = "user"; |
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37 public static final String CONNECTION_SYSTEM = "system"; |
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38 public static final String DEFAULT_CONNECTION_NAME = CONNECTION_SYSTEM; |
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39 |
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40 public static final Pattern STRIP_LINE_INDENT = |
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41 Pattern.compile("\\s*\\r?\\n\\s*"); |
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42 |
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43 public static final String DC_NAMESPACE_URI = |
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44 "http://www.intevation.org/2011/Datacage"; |
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45 |
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46 private static final Document EVAL_DOCUMENT = |
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47 XMLUtils.newDocument(); |
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48 |
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49 private static final XPathFactory XPATH_FACTORY = |
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50 XPathFactory.newInstance(); |
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51 |
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52 protected Document template; |
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53 |
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54 protected Map<String, CompiledStatement> compiledStatements; |
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55 |
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56 public static class NamedConnection { |
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57 |
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58 protected String name; |
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59 protected Connection connection; |
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60 protected boolean cached; |
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61 |
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62 public NamedConnection() { |
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63 } |
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64 |
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65 public NamedConnection( |
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66 String name, |
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67 Connection connection |
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68 ) { |
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69 this(name, connection, true); |
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70 } |
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71 |
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72 public NamedConnection( |
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73 String name, |
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74 Connection connection, |
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75 boolean cached |
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76 ) { |
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77 this.name = name; |
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78 this.connection = connection; |
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79 this.cached = cached; |
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80 } |
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81 } // class NamedConnection |
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82 |
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83 |
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84 public class BuildHelper |
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85 { |
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86 protected Node output; |
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87 protected Document owner; |
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88 protected StackFrames frames; |
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89 protected List<NamedConnection> connections; |
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90 protected Map<String, CompiledStatement.Instance> statements; |
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91 protected Deque<Pair<NamedConnection, ResultData>> connectionsStack; |
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92 |
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93 public BuildHelper( |
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94 Node output, |
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95 List<NamedConnection> connections, |
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96 Map<String, Object> parameters |
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97 ) { |
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98 if (connections.isEmpty()) { |
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99 throw new IllegalArgumentException("no connections given."); |
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100 } |
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101 |
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102 this.connections = connections; |
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103 connectionsStack = |
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104 new ArrayDeque<Pair<NamedConnection, ResultData>>(); |
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105 this.output = output; |
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106 frames = new StackFrames(parameters); |
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107 owner = getOwnerDocument(output); |
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108 statements = |
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109 new HashMap<String, CompiledStatement.Instance>(); |
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110 } |
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111 |
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112 public void build() throws SQLException { |
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113 try { |
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114 synchronized (template) { |
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115 for (Node current: rootsToList()) { |
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116 build(output, current); |
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117 } |
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118 } |
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119 } |
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120 finally { |
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121 closeStatements(); |
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122 } |
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123 } |
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124 |
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125 protected void closeStatements() { |
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126 for (CompiledStatement.Instance csi: statements.values()) { |
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127 csi.close(); |
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128 } |
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129 statements.clear(); |
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130 } |
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131 |
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132 /** |
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133 * Handle a \<context\> node. |
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134 */ |
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135 protected void context(Node parent, Element current) |
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136 throws SQLException |
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137 { |
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138 log.debug("dc:context"); |
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139 |
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140 NodeList subs = current.getChildNodes(); |
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141 int S = subs.getLength(); |
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142 |
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143 // Check only direct children. |
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144 Node stmntNode = null; |
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145 for (int i = 0; i < S; ++i) { |
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146 Node node = subs.item(i); |
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147 String ns; |
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148 if (node.getNodeType() == Node.ELEMENT_NODE |
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149 && node.getLocalName().equals("statement") |
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150 && (ns = node.getNamespaceURI()) != null |
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151 && ns.equals(DC_NAMESPACE_URI)) { |
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152 stmntNode = node; |
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153 break; |
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154 } |
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155 } |
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156 |
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157 if (stmntNode == null) { |
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158 log.warn("dc:context: cannot find statement"); |
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159 return; |
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160 } |
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161 |
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162 String stmntText = stmntNode.getTextContent(); |
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163 |
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164 String con = current.getAttribute("connection"); |
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165 |
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166 String key = con + "-" + stmntText; |
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167 |
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168 CompiledStatement.Instance csi = statements.get(key); |
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169 |
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170 if (csi == null) { |
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171 CompiledStatement cs = compiledStatements.get(stmntText); |
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172 csi = cs.new Instance(); |
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173 statements.put(key, csi); |
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174 } |
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175 |
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176 NamedConnection connection = connectionsStack.isEmpty() |
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177 ? connections.get(0) |
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178 : connectionsStack.peek().getA(); |
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179 |
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180 if (con.length() > 0) { |
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181 for (NamedConnection nc: connections) { |
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182 if (con.equals(nc.name)) { |
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183 connection = nc; |
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184 break; |
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185 } |
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186 } |
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187 } |
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188 |
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189 ResultData rd = csi.execute( |
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190 connection.connection, |
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191 frames, |
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192 connection.cached); |
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193 |
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194 // only descent if there are results |
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195 if (!rd.isEmpty()) { |
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196 connectionsStack.push( |
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197 new Pair<NamedConnection, ResultData>(connection, rd)); |
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198 try { |
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199 for (int i = 0; i < S; ++i) { |
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200 build(parent, subs.item(i)); |
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201 } |
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202 } |
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203 finally { |
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204 connectionsStack.pop(); |
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205 } |
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206 } |
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207 } |
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208 |
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209 /** |
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210 * Kind of foreach over results of a statement within a context. |
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211 */ |
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212 protected void elements(Node parent, Element current) |
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213 throws SQLException |
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214 { |
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215 log.debug("dc:elements"); |
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216 |
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217 if (connectionsStack.isEmpty()) { |
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218 log.warn("dc:elements without having results"); |
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219 return; |
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220 } |
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221 |
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222 NodeList subs = current.getChildNodes(); |
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223 int S = subs.getLength(); |
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224 |
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225 if (S == 0) { |
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226 log.debug("dc:elements has no children"); |
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227 return; |
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228 } |
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229 |
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230 ResultData rd = connectionsStack.peek().getB(); |
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231 |
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232 String [] columns = rd.getColumnLabels(); |
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233 |
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234 //if (log.isDebugEnabled()) { |
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235 // log.debug("pushing vars: " |
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236 // + java.util.Arrays.toString(columns)); |
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237 //} |
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238 |
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239 for (Object [] row: rd.getRows()) { |
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240 frames.enter(); |
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241 try { |
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242 frames.put(columns, row); |
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243 //if (log.isDebugEnabled()) { |
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244 // log.debug("current vars: " + frames.dump()); |
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245 //} |
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246 for (int i = 0; i < S; ++i) { |
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247 build(parent, subs.item(i)); |
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248 } |
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249 } |
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250 finally { |
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251 frames.leave(); |
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252 } |
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253 } |
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254 } |
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255 |
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256 /** |
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257 * Create element. |
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258 */ |
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259 protected void element(Node parent, Element current) |
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260 throws SQLException |
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261 { |
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262 String attr = expand(current.getAttribute("name")); |
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263 |
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264 if (log.isDebugEnabled()) { |
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265 log.debug("dc:element -> '" + attr + "'"); |
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266 } |
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267 |
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268 if (attr.length() == 0) { |
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269 log.warn("no name attribute found"); |
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270 return; |
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271 } |
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272 |
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273 Element element = owner.createElement(attr); |
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274 |
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275 NodeList children = current.getChildNodes(); |
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276 for (int i = 0, N = children.getLength(); i < N; ++i) { |
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277 build(element, children.item(i)); |
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278 } |
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279 |
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280 parent.appendChild(element); |
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281 } |
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282 |
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283 protected void text(Node parent, Element current) |
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284 throws SQLException |
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285 { |
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286 log.debug("dc:text"); |
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287 String value = expand(current.getTextContent()); |
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288 parent.appendChild(owner.createTextNode(value)); |
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289 } |
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290 |
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291 /** |
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292 * Add attribute to an element |
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293 * @see Element |
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294 */ |
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295 protected void attribute(Node parent, Element current) { |
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296 |
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297 if (parent.getNodeType() != Node.ELEMENT_NODE) { |
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298 log.warn("need element here"); |
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299 return; |
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300 } |
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301 |
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302 String name = expand(current.getAttribute("name")); |
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303 String value = expand(current.getAttribute("value")); |
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304 |
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305 Element element = (Element)parent; |
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306 |
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307 element.setAttribute(name, value); |
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308 } |
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309 |
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310 protected void callMacro(Node parent, Element current) |
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311 throws SQLException |
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312 { |
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313 String name = current.getAttribute("name"); |
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314 |
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315 if (name.length() == 0) { |
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316 log.warn("missing 'name' attribute in 'call-macro'"); |
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317 return; |
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318 } |
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319 |
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320 NodeList macros = template.getElementsByTagNameNS( |
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321 DC_NAMESPACE_URI, "macro"); |
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322 |
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323 for (int i = 0, N = macros.getLength(); i < N; ++i) { |
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324 Element macro = (Element) macros.item(i); |
998
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325 if (name.equals(macro.getAttribute("name"))) { |
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326 NodeList subs = macro.getChildNodes(); |
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327 for (int j = 0, M = subs.getLength(); j < M; ++j) { |
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328 build(parent, subs.item(j)); |
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329 } |
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330 return; |
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331 } |
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332 } |
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333 |
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334 log.warn("no macro '" + name + "' found."); |
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335 } |
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336 |
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337 protected void ifClause(Node parent, Element current) |
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338 throws SQLException |
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339 { |
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340 String test = current.getAttribute("test"); |
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341 |
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342 if (test.length() == 0) { |
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343 log.warn("missing 'test' attribute in 'if'"); |
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344 return; |
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345 } |
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346 |
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347 Boolean result = evaluateXPath(test); |
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348 |
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349 if (result != null && result.booleanValue()) { |
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350 NodeList subs = current.getChildNodes(); |
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351 for (int i = 0, N = subs.getLength(); i < N; ++i) { |
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352 build(parent, subs.item(i)); |
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353 } |
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354 } |
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355 } |
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356 |
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357 protected void choose(Node parent, Element current) |
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358 throws SQLException |
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359 { |
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360 Node branch = null; |
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361 |
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362 NodeList children = current.getChildNodes(); |
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363 for (int i = 0, N = children.getLength(); i < N; ++i) { |
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364 Node child = children.item(i); |
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365 String ns = child.getNamespaceURI(); |
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366 if (ns == null |
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367 || !ns.equals(DC_NAMESPACE_URI) |
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368 || child.getNodeType() != Node.ELEMENT_NODE |
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369 ) { |
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370 continue; |
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371 } |
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372 String name = child.getLocalName(); |
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373 if ("when".equals(name)) { |
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374 Element when = (Element)child; |
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375 String test = when.getAttribute("test"); |
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376 if (test.length() == 0) { |
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377 log.warn("no 'test' attribute found for when"); |
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378 continue; |
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379 } |
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380 |
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381 Boolean result = evaluateXPath(test); |
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382 if (result != null && result.booleanValue()) { |
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383 branch = child; |
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384 break; |
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385 } |
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386 |
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387 continue; |
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388 } |
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389 else if ("otherwise".equals(name)) { |
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390 branch = child; |
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391 // No break here. |
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392 } |
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393 } |
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394 |
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395 if (branch != null) { |
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396 NodeList subs = branch.getChildNodes(); |
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397 for (int i = 0, N = subs.getLength(); i < N; ++i) { |
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398 build(parent, subs.item(i)); |
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399 } |
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400 } |
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401 } |
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402 |
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|
403 protected Boolean evaluateXPath(String expr) { |
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Datacage: Moved templating in a better suited package.
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404 |
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405 if (log.isDebugEnabled()) { |
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406 log.debug("evaluate: '" + expr + "'"); |
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407 } |
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408 |
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409 try { |
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410 XPath xpath = XPATH_FACTORY.newXPath(); |
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|
411 xpath.setXPathVariableResolver(frames); |
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Datacage: Moved templating in a better suited package.
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412 xpath.setXPathFunctionResolver(FunctionResolver.FUNCTIONS); |
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413 Object result = xpath.evaluate( |
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|
414 expr, EVAL_DOCUMENT, XPathConstants.BOOLEAN); |
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|
415 |
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416 return result instanceof Boolean |
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417 ? (Boolean)result |
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418 : null; |
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419 } |
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|
420 catch (XPathExpressionException xfce) { |
1859
755d9763928f
Improved loggin in error case for dc XPath expression resolution.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1818
diff
changeset
|
421 log.error("expression: " + expr, xfce); |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
422 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
423 return null; |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
424 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
425 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
426 protected void convert(Node parent, Element current) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
427 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
428 String variable = expand(current.getAttribute("var")); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
429 String type = expand(current.getAttribute("type")); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
430 |
1716
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
431 Object [] result = new Object[1]; |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
432 |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
433 if (frames.getStore(variable, result)) { |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
434 Object object = TypeConverter.convert(result[0], type); |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
435 frames.put(variable.toUpperCase(), object); |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
436 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
437 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
438 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
439 protected String expand(String s) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
440 Matcher m = CompiledStatement.VAR.matcher(s); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
441 |
1716
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
442 Object [] result = new Object[1]; |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
443 |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
444 StringBuffer sb = new StringBuffer(); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
445 while (m.find()) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
446 String key = m.group(1); |
1716
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
447 result[0] = null; |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
448 if (frames.getStore(key, result)) { |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
449 m.appendReplacement( |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
450 sb, result[0] != null ? result[0].toString() : ""); |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
451 } |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
452 else { |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
453 m.appendReplacement(sb, "\\${" + key + "}"); |
3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1029
diff
changeset
|
454 } |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
455 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
456 m.appendTail(sb); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
457 return sb.toString(); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
458 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
459 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
460 protected void build(Node parent, Node current) |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
461 throws SQLException |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
462 { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
463 String ns = current.getNamespaceURI(); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
464 if (ns != null && ns.equals(DC_NAMESPACE_URI)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
465 if (current.getNodeType() != Node.ELEMENT_NODE) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
466 log.warn("need elements here"); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
467 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
468 else { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
469 String localName = current.getLocalName(); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
470 if ("attribute".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
471 attribute(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
472 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
473 else if ("context".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
474 context(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
475 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
476 else if ("if".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
477 ifClause(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
478 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
479 else if ("choose".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
480 choose(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
481 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
482 else if ("call-macro".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
483 callMacro(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
484 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
485 else if ("macro".equals(localName)) { |
1029
3f3988bb6284
Picky Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1023
diff
changeset
|
486 // Simply ignore the definition. |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
487 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
488 else if ("element".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
489 element(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
490 } |
1023
5cb84ceee2a0
Datacage: Templates now can nest <dc:elements> into other elements in the body of <dc:context>
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1017
diff
changeset
|
491 else if ("elements".equals(localName)) { |
5cb84ceee2a0
Datacage: Templates now can nest <dc:elements> into other elements in the body of <dc:context>
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1017
diff
changeset
|
492 elements(parent, (Element)current); |
5cb84ceee2a0
Datacage: Templates now can nest <dc:elements> into other elements in the body of <dc:context>
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1017
diff
changeset
|
493 } |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
494 else if ("text".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
495 text(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
496 } |
1023
5cb84ceee2a0
Datacage: Templates now can nest <dc:elements> into other elements in the body of <dc:context>
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1017
diff
changeset
|
497 else if ("comment".equals(localName) |
5cb84ceee2a0
Datacage: Templates now can nest <dc:elements> into other elements in the body of <dc:context>
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1017
diff
changeset
|
498 || "statement".equals(localName)) { |
5cb84ceee2a0
Datacage: Templates now can nest <dc:elements> into other elements in the body of <dc:context>
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1017
diff
changeset
|
499 // ignore comments and statements in output |
1017
8637756275e5
Added a <dc:comment> tag to place comments in the meta data templates.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1015
diff
changeset
|
500 } |
998
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
501 else if ("convert".equals(localName)) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
502 convert(parent, (Element)current); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
503 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
504 else { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
505 log.warn("unknown '" + localName + "' -> ignore"); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
506 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
507 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
508 return; |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
509 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
510 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
511 if (current.getNodeType() == Node.TEXT_NODE) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
512 String txt = current.getNodeValue(); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
513 if (txt != null && txt.trim().length() == 0) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
514 return; |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
515 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
516 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
517 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
518 Node copy = owner.importNode(current, false); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
519 |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
520 NodeList children = current.getChildNodes(); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
521 for (int i = 0, N = children.getLength(); i < N; ++i) { |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
522 build(copy, children.item(i)); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
523 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
524 parent.appendChild(copy); |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
525 } |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
526 } // class BuildHelper |
b81626b10cb7
Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
527 |
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528 |
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529 public Builder() { |
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Datacage: Moved templating in a better suited package.
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530 compiledStatements = new HashMap<String, CompiledStatement>(); |
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531 } |
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532 |
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533 public Builder(Document template) { |
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534 this(); |
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535 this.template = template; |
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536 compileStatements(); |
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537 } |
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538 |
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539 protected void compileStatements() { |
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540 |
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541 NodeList nodes = template.getElementsByTagNameNS( |
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542 DC_NAMESPACE_URI, "statement"); |
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543 |
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544 for (int i = 0, N = nodes.getLength(); i < N; ++i) { |
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545 Element stmntElement = (Element)nodes.item(i); |
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546 String stmnt = trimStatement(stmntElement.getTextContent()); |
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547 if (stmnt == null || stmnt.length() == 0) { |
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548 throw new IllegalArgumentException("found empty statement"); |
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549 } |
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550 CompiledStatement cs = new CompiledStatement(stmnt); |
1029
3f3988bb6284
Picky Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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551 // For faster lookup store a shortend string into the template. |
998
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552 stmnt = "s" + i; |
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553 stmntElement.setTextContent(stmnt); |
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554 compiledStatements.put(stmnt, cs); |
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555 } |
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556 } |
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557 |
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558 protected List<Node> rootsToList() { |
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559 |
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560 NodeList roots = template.getElementsByTagNameNS( |
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561 DC_NAMESPACE_URI, "template"); |
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562 |
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563 List<Node> elements = new ArrayList<Node>(); |
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564 |
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565 for (int i = 0, N = roots.getLength(); i < N; ++i) { |
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566 NodeList rootChildren = roots.item(i).getChildNodes(); |
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567 for (int j = 0, M = rootChildren.getLength(); j < M; ++j) { |
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568 Node child = rootChildren.item(j); |
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569 if (child.getNodeType() == Node.ELEMENT_NODE) { |
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570 elements.add(child); |
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571 } |
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572 } |
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573 } |
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574 |
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575 return elements; |
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576 } |
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577 |
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578 protected static final String trimStatement(String stmnt) { |
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579 if (stmnt == null) return null; |
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580 //XXX: Maybe a bit to radical for multiline strings? |
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581 return STRIP_LINE_INDENT.matcher(stmnt.trim()).replaceAll(" "); |
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582 } |
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583 |
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584 protected static Document getOwnerDocument(Node node) { |
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585 Document document = node.getOwnerDocument(); |
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586 return document != null ? document : (Document)node; |
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587 } |
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Datacage: Moved templating in a better suited package.
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588 |
1011
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589 private static final List<NamedConnection> wrap(Connection connection) { |
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590 List<NamedConnection> list = new ArrayList<NamedConnection>(1); |
1015
9a1a3080ad98
Bring user specific meta data service to life.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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591 list.add(new NamedConnection(DEFAULT_CONNECTION_NAME, connection)); |
1011
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592 return list; |
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parents:
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593 } |
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parents:
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diff
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|
594 |
998
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595 public void build( |
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596 Connection connection, |
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597 Node output, |
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Datacage: Moved templating in a better suited package.
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598 Map<String, Object> parameters |
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599 ) |
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Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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600 throws SQLException |
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Datacage: Moved templating in a better suited package.
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601 { |
1011
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
602 build(wrap(connection), output, parameters); |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
998
diff
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|
603 } |
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Added support for more than one db connection in datacage templating.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
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|
604 |
aca3b46160cb
Added support for more than one db connection in datacage templating.
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parents:
998
diff
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|
605 public void build( |
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parents:
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diff
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606 List<NamedConnection> connections, |
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607 Node output, |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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608 Map<String, Object> parameters |
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diff
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|
609 ) |
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610 throws SQLException |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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|
611 { |
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|
612 BuildHelper helper = new BuildHelper(output, connections, parameters); |
998
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Datacage: Moved templating in a better suited package.
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parents:
diff
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|
613 |
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614 helper.build(); |
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|
615 } |
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Datacage: Moved templating in a better suited package.
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|
616 } |
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617 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |