Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 369:77cd3a2bc381

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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>
date Thu, 17 Dec 2009 11:42:21 +0000
parents 2f7a28f211c7
children 3a0c0ad113d9
rev   line source
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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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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;
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
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133 }
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
diff changeset
134 finally {
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
diff changeset
135 if (inputStream != null) {
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
diff changeset
136 try { inputStream.close(); }
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
diff changeset
137 catch (IOException ioe) {}
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
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138 }
b5e55f460f0b Closed small file descriptor leak in loading SQL properties file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 171
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139 }
52
4d6a82b96059 First Implementation of the GNV-Artifacts
Tim Englich <tim.englich@intevation.de>
parents:
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140 }
4d6a82b96059 First Implementation of the GNV-Artifacts
Tim Englich <tim.englich@intevation.de>
parents:
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141 }
http://dive4elements.wald.intevation.org