Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/DBConnection.java @ 35:7a01a464a83b

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More warning log output in POST case in REST interface of artifact. artifacts/trunk@89 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 15 Sep 2009 10:41:19 +0000
parents 1259d192e3c3
children 93edc04f3a10
rev   line source
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1 package de.intevation.artifactdatabase;
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3 import javax.sql.DataSource;
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5 import java.sql.SQLException;
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7 import org.apache.commons.dbcp.BasicDataSource;
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8
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9 import java.io.File;
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10
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11 /**
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12 * @author Sascha L. Teichmann
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13 */
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14 public class DBConnection
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15 {
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16 public static final String DB_DRIVER =
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17 "/artifacts-database/database/driver/text()";
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18 public static final String DB_URL =
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19 "/artifacts-database/database/url/text()";
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20 public static final String DB_USER =
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3f01e317f615 Fixed typo in xpath expression (again)
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21 "/artifacts-database/database/user/text()";
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22 public static final String DB_PASSWORD =
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23 "/artifacts-database/database/password/text()";
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25 public static final String DEFAULT_DRIVER =
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26 "org.h2.Driver";
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28 public static final String DEFAULT_DATABASE_FILE =
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29 "artifacts.db";
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30
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31 public static final String DEFAULT_URL = getDefaultURL();
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33 public static final String DEFAULT_USER = "";
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34 public static final String DEFAULT_PASSWORD = "";
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35
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36 private DBConnection() {
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37 }
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39 public static final String getDefaultURL() {
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40 File configDir = Config.getConfigDirectory();
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41 File databaseFile = new File(configDir, DEFAULT_DATABASE_FILE);
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42 return "jdbc:h2:" + databaseFile;
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43 }
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45 private static BasicDataSource dataSource;
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47 private static final void addShutdownHook() {
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48 Runtime.getRuntime().addShutdownHook(new Thread() {
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49 public void run() {
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50 if (dataSource != null) {
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51 try {
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52 dataSource.close();
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53 }
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54 catch (SQLException sqle) {
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55 }
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56 dataSource = null;
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57 }
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58 }
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59 });
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60 }
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62 public static synchronized DataSource getDataSource() {
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63 if (dataSource == null) {
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64 dataSource = new BasicDataSource();
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66 String driver = Config.getStringXPath(
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67 DB_DRIVER, DEFAULT_DRIVER);
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69 String url = Config.getStringXPath(
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70 DB_URL, DEFAULT_URL);
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72 String user = Config.getStringXPath(
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73 DB_USER, DEFAULT_USER);
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75 String password = Config.getStringXPath(
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76 DB_PASSWORD, DEFAULT_PASSWORD);
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77
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78 dataSource.setDriverClassName(driver);
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79 dataSource.setUsername(user);
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80 dataSource.setPassword(password);
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81 dataSource.setUrl(url);
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82 addShutdownHook();
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83 }
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85 return dataSource;
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86 }
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87 }
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org