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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/SQL.java @ 14:0d16d1bb2df0

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Initial checkin of artigact persistents back by database. artifacts/trunk@29 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 07 Sep 2009 08:41:05 +0000
parents
children 5a6b6a3debc7
rev   line source
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.artifactdatabase;
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2
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3 import java.util.Properties;
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4
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5 import java.io.IOException;
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6 import java.io.InputStream;
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7
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8 /**
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9 * @author Sascha L. Teichmann
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10 */
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11 public final class SQL
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12 {
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13 private SQL() {
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14 }
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15
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16 private static Properties statements;
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18 public static final synchronized Properties getStatements() {
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19 if (statements == null) {
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20 statements = loadStatements();
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21 }
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22 return statements;
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23 }
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24
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25 private static final Properties loadStatements() {
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26 String driver = Config.getStringXPath(
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27 DBConnection.DB_DRIVER, DBConnection.DEFAULT_DRIVER);
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28
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29 Properties properties = new Properties();
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30
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31 InputStream in = null;
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32 try {
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33 String res = "/sql/" + driver.replace('.', '-').toLowerCase()
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34 + ".properties";
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35 in = SQL.class.getResourceAsStream(res);
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36
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37 if (in == null) {
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38 System.err.println("WARNING: no SQL file for driver '"
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39 + driver + "' found.");
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40 res = "/sql/" + DBConnection.DEFAULT_DRIVER.replace('.', '-').toLowerCase()
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41 + ".properties";
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42 if ((in = SQL.class.getResourceAsStream(res)) == null) {
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43 System.err.println("ERROR: no SQL file found");
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44 }
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45 }
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46
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47 properties.load(in);
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48 }
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49 catch (IOException ioe) {
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50 ioe.printStackTrace(System.err);
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51 }
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52 finally {
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53 if (in != null) {
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54 try { in.close(); } catch (IOException ioe) {}
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55 }
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56 }
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57
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58 return properties;
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59 }
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60
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61 public static final String get(String key) {
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62 return getStatements().getProperty(key);
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63 }
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64 }
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65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org