Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 369:77cd3a2bc381
Fixed file-leak bug and sourced xml parsing out to XMLUtils of artifactdatabase.
gnv-artifacts/trunk@446 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 17 Dec 2009 11:42:21 +0000 |
parents | 2f7a28f211c7 |
children | 3a0c0ad113d9 |
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1 /** |
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2 * |
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3 */ |
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4 package de.intevation.gnv.artifacts.context; |
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5 |
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6 import java.io.FileInputStream; |
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7 import java.io.FileNotFoundException; |
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8 import java.io.IOException; |
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9 import java.io.InputStream; |
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10 import java.io.File; |
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11 |
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12 import java.util.Properties; |
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13 |
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14 import org.apache.log4j.Logger; |
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15 import org.w3c.dom.Document; |
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16 |
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17 import de.intevation.artifactdatabase.Config; |
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18 import de.intevation.artifacts.ArtifactContextFactory; |
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19 import de.intevation.gnv.artifacts.cache.CacheFactory; |
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20 import de.intevation.gnv.geobackend.base.connectionpool.ConnectionPoolFactory; |
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21 import de.intevation.gnv.geobackend.base.query.container.QueryContainerFactory; |
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22 import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException; |
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23 import de.intevation.gnv.chart.XMLChartTheme; |
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24 |
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25 import de.intevation.artifactdatabase.XMLUtils; |
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26 |
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27 /** |
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28 * @author Tim Englich <tim.englich@intevation.de> |
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29 * |
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30 */ |
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31 public class GNVArtifactContextFactory implements ArtifactContextFactory { |
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32 /** |
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33 * the logger, used to log exceptions and additonaly information |
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34 */ |
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35 private static Logger log = Logger.getLogger(GNVArtifactContext.class); |
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36 |
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37 public static final String XPATH_GEOBACKEND_CONFIGURATION = "artifact-database/geo-backend/backend-configuration"; |
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38 |
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39 public static final String XPATH_GEOBACKEND_QUERYCONFIGURATION = "artifact-database/geo-backend/query-configuration"; |
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40 |
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41 private final static String CACHECONFIGNODEPATH = "/artifact-database/ehcache/configuration"; |
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42 |
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43 private final static String CHARTCONFIGNODEPATH = "/artifact-database/charttemplate/configuration"; |
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44 |
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45 public final static String CHARTTEMPLATE = "template"; |
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46 |
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47 /** |
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48 * Constructor |
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49 */ |
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50 public GNVArtifactContextFactory() { |
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51 super(); |
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52 log.debug("GNVArtifactContextFactory.Constructor"); |
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53 } |
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54 |
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55 /** |
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56 * @see de.intevation.artifacts.ArtifactContextFactory#createArtifactContext(org.w3c.dom.Document) |
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57 */ |
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58 public Object createArtifactContext(Document config) { |
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59 GNVArtifactContext returnValue = null; |
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60 try { |
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61 log.debug("GNVArtifactContextFactory.createArtifactContext"); |
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62 log.info("Initialisation of the Geo-BackendConnectionPool"); |
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63 String backendConfigurationFile = Config.getStringXPath(config, |
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64 XPATH_GEOBACKEND_CONFIGURATION); |
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65 backendConfigurationFile = Config.replaceConfigDir(backendConfigurationFile); |
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66 |
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67 Properties properties = getProperties(backendConfigurationFile); |
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68 ConnectionPoolFactory cpf = ConnectionPoolFactory.getInstance(); |
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69 cpf.initializeConnectionPool(properties); |
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70 |
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71 log.info("Initialisation of the QueryContainer"); |
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72 String queryConfigurationFile = Config.getStringXPath(config, |
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73 XPATH_GEOBACKEND_QUERYCONFIGURATION); |
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74 queryConfigurationFile = Config.replaceConfigDir(queryConfigurationFile); |
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75 |
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76 Properties queryProperties = getProperties(queryConfigurationFile); |
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77 QueryContainerFactory qcf = QueryContainerFactory.getInstance(); |
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78 qcf.initializeQueryContainer(queryProperties); |
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79 |
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80 log.info("Initialisation of the Cache"); |
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81 String cacheConfigurationFile = Config.getStringXPath(config, |
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82 CACHECONFIGNODEPATH); |
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83 cacheConfigurationFile = Config.replaceConfigDir(cacheConfigurationFile); |
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84 CacheFactory cf = CacheFactory.getInstance(); |
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85 cf.initializeCache(cacheConfigurationFile); |
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86 |
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87 log.info("Initialisation of chart template"); |
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88 String chartConfigFile = Config.getStringXPath( |
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89 config, CHARTCONFIGNODEPATH |
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90 ); |
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91 chartConfigFile = Config.replaceConfigDir(chartConfigFile); |
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92 log.debug("Parse xml configuration of " + chartConfigFile); |
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93 |
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94 Document tmpl = XMLUtils.parseDocument(new File(chartConfigFile)); |
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95 XMLChartTheme theme = new XMLChartTheme("XMLChartTheme"); |
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96 if (tmpl != null) { |
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97 theme.applyXMLConfiguration(tmpl); |
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98 } |
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99 else { |
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100 log.error( |
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101 "Cannot load chart template from '" + |
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102 chartConfigFile + "'"); |
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103 } |
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104 |
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105 returnValue = new GNVArtifactContext(config); |
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106 |
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107 returnValue.put(CHARTTEMPLATE, theme); |
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108 } catch (FileNotFoundException e) { |
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109 log.error(e, e); |
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110 } catch (IOException e) { |
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111 log.error(e, e); |
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112 } catch (QueryContainerException e) { |
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113 log.error(e, e); |
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114 } |
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115 return returnValue; |
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116 } |
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117 |
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118 /** |
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119 * @param filePath |
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120 * @return |
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121 * @throws FileNotFoundException |
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122 * @throws IOException |
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123 */ |
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124 private Properties getProperties(String filePath) |
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125 throws FileNotFoundException, |
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126 IOException { |
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127 InputStream inputStream = null; |
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128 try { |
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129 inputStream = new FileInputStream(filePath); |
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130 Properties properties = new Properties(); |
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131 properties.load(inputStream); |
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132 return properties; |
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133 } |
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134 finally { |
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135 if (inputStream != null) { |
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136 try { inputStream.close(); } |
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137 catch (IOException ioe) {} |
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138 } |
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139 } |
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140 } |
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141 } |