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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/db/DBConnection.java @ 308:a077bb098eb4

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Fixed broken SQL statement. Added debug output. artifacts/trunk@2427 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 31 Jul 2011 17:28:07 +0000
parents f33401ea2a6c
children 86dd32b45d87
rev   line source
305
f33401ea2a6c Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
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1 package de.intevation.artifactdatabase.db;
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2
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3 import java.sql.SQLException;
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4
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5 import javax.sql.DataSource;
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6
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7 import java.io.File;
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8
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9 import org.apache.commons.dbcp.BasicDataSource;
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10
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11 import de.intevation.artifacts.common.utils.Config;
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12
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13 import org.apache.log4j.Logger;
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14
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15 public class DBConnection
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16 {
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17 private static Logger log = Logger.getLogger(DBConnection.class);
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18
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19 public static final String DEFAULT_DRIVER = "org.h2.Driver";
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20 public static final String DEFAULT_USER = "";
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21 public static final String DEFAULT_PASSWORD = "";
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22 public static final String DEFAULT_DATABASE_FILE = "artifacts.db";
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23 public static final String DEFAULT_URL = getDefaultURL();
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24
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25 public static final String getDefaultURL() {
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26 File configDir = Config.getConfigDirectory();
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27 File databaseFile = new File(configDir, DEFAULT_DATABASE_FILE);
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28 return "jdbc:h2:" + databaseFile;
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29 }
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31 protected BasicDataSource dataSource;
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32
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33 protected String driver;
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34 protected String url;
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35 protected String user;
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36 protected String password;
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37
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38 public DBConnection() {
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39 }
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40
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41 public DBConnection(
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42 String driver,
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43 String url,
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44 String user,
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45 String password
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46 ) {
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47 this.driver = driver;
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48 this.url = url;
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49 this.user = user;
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50 this.password = password;
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51 }
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52
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53 public String getUser() {
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54 return user;
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55 }
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56
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57 public void setUser(String user) {
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58 this.user = user;
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59 }
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61 public String getPassword() {
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62 return password;
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63 }
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64
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65 public void setPassword(String password) {
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66 this.password = password;
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67 }
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68
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69 public String getDriver() {
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70 return driver;
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71 }
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72
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73 public void setDriver(String driver) {
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74 this.driver = driver;
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75 }
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76
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77 public String getUrl() {
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78 return url;
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79 }
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81 public void setUrl(String url) {
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82 this.url = url;
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83 }
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84
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85 protected void addShutdownHook() {
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86 Runtime.getRuntime().addShutdownHook(new Thread() {
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87 @Override
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88 public void run() {
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89 if (dataSource != null) {
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90 try {
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91 dataSource.close();
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92 }
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93 catch (SQLException sqle) {
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94 }
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95 dataSource = null;
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96 }
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97 }
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98 });
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99 }
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101 public synchronized DataSource getDataSource() {
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102 if (dataSource == null) {
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103 if (log.isDebugEnabled()) {
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104 log.debug("create new datasource:");
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105 log.debug(" driver: " + driver);
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106 log.debug(" url : " + url);
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107 log.debug(" user : " + user);
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108 }
305
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109 dataSource = new BasicDataSource();
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110
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111 dataSource.setDriverClassName(driver);
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112 dataSource.setUsername(user);
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113 dataSource.setPassword(password);
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114 dataSource.setUrl(url);
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115 addShutdownHook();
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116 }
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117 return dataSource;
f33401ea2a6c Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
118 }
f33401ea2a6c Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
119 }
f33401ea2a6c Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
120 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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