Mercurial > dive4elements > gnv-client
annotate gnv/src/main/java/de/intevation/gnv/propertiesreader/PropertiesReaderFactory.java @ 683:d49e8695786c
Ordered imports. Removed needless imports. Removed empty headers.
gnv/trunk@855 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 29 Mar 2010 09:10:25 +0000 |
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Infrastructur for Providing Applicationsettings
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1 package de.intevation.gnv.propertiesreader; |
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2 |
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3 import java.util.Map; |
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4 |
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5 import javax.servlet.ServletConfig; |
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6 |
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7 import org.apache.log4j.Logger; |
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8 |
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9 /** |
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10 * @author Tim Englich <tim.englich@intevation.de> |
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11 * |
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12 */ |
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13 public class PropertiesReaderFactory { |
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14 |
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15 /** |
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16 * the logger, used to log exceptions and additonaly information |
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17 */ |
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18 private static Logger log = Logger.getLogger(PropertiesReaderFactory.class); |
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19 |
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20 /** |
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21 * The singleton Instance of this Factory. |
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22 */ |
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23 private static PropertiesReaderFactory instance = null; |
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24 |
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25 /** |
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26 * The ConnectionPool providing the Connections to the DatabaseBackends |
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27 */ |
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28 private PropertiesReader propertiesReader = null; |
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29 |
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30 /** |
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31 * Constructor |
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32 */ |
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33 private PropertiesReaderFactory() { |
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34 super(); |
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35 } |
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36 |
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37 /** |
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38 * This Method provides an singleton Instance of this Class. |
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39 * |
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40 * @return an singleton Instance of this Class |
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41 */ |
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42 public static PropertiesReaderFactory getInstance() { |
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43 if (instance == null) { |
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44 instance = new PropertiesReaderFactory(); |
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45 } |
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46 return instance; |
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47 } |
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48 |
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49 /** |
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50 * Getting the ConnectionPool |
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51 * |
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52 * @return the ConnectionPool |
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53 */ |
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54 public PropertiesReader getPropertiesReader() { |
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55 return this.propertiesReader; |
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56 } |
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57 |
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58 /** |
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59 * Getting the ConnectionPool |
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60 * |
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61 * @param config |
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62 * The Config that should be read |
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63 */ |
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64 public void initPropertiesReader(Object config) { |
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65 if (config instanceof ServletConfig) { |
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66 this.propertiesReader = new ServletPropertiesReader( |
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67 (ServletConfig) config); |
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68 } else if (config instanceof Map) { |
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69 this.propertiesReader = new MapPropertiesReader( |
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70 (Map<String, String>) config); |
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71 } else { |
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72 log.error("No PropertiesReader for Instance " |
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73 + config.getClass().getName()); |
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74 } |
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75 |
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76 } |
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77 |
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78 } |