Mercurial > hg > blitz_condensed
annotate src/org/dancres/blitz/config/ConfigurationFactory.java @ 33:0b9265358617
Added tag 2.1.1 for changeset a77f0a9ed93c
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 12 Jun 2010 10:52:10 +0100 |
parents | 3dc0c5604566 |
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0
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1 package org.dancres.blitz.config; |
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2 |
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3 import java.util.logging.Logger; |
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4 import java.util.logging.Level; |
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5 |
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6 import net.jini.config.Configuration; |
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7 import net.jini.config.ConfigurationProvider; |
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8 import net.jini.config.ConfigurationException; |
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9 |
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10 import net.jini.security.BasicProxyPreparer; |
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11 import net.jini.security.ProxyPreparer; |
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12 |
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13 import com.sun.jini.config.Config; |
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14 |
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15 import org.dancres.blitz.Logging; |
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16 |
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17 public class ConfigurationFactory { |
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18 static Logger theLogger = |
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19 Logging.newLogger("org.dancres.blitz.config.ConfigurationFactory", |
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20 Level.INFO); |
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21 |
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22 private static String[] theArgs = {"config/blitz.config"}; |
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23 |
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24 static { |
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25 String myDefault = System.getProperty("org.dancres.blitz.config"); |
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26 |
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27 if (myDefault != null) |
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28 theArgs = new String[] {myDefault}; |
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29 } |
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30 |
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31 private static Configuration theConfig; |
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32 |
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33 public static final String BLITZ_MODULE = "org.dancres.blitz"; |
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34 |
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35 private static final ProxyPreparer DEFAULT_PREPARER = |
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36 new BasicProxyPreparer(); |
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37 |
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38 /** |
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39 Configure the arguments for finding a Configuration |
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40 */ |
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41 public static void setup(String[] anArgs) { |
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42 theLogger.log(Level.INFO, |
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43 "ConfigurationFactory will load config from: " + |
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44 anArgs[0]); |
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45 theArgs = anArgs; |
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46 } |
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47 |
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48 /** |
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49 Attempt to load configured config file or the default which is |
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50 "config/blitz.config" |
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51 */ |
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52 private static synchronized void load() throws ConfigurationException { |
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53 theLogger.log(Level.INFO, "Loading config from: " + theArgs[0]); |
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54 |
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55 theConfig = |
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56 ConfigurationProvider.getInstance(theArgs, |
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57 ConfigurationFactory.class.getClassLoader()); |
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58 } |
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59 |
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60 /** |
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61 Attempt to obtain the configuration |
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62 */ |
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63 public static synchronized Configuration getConfig() |
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64 throws ConfigurationException { |
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65 if (theConfig == null) { |
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66 load(); |
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67 } |
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68 |
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69 return theConfig; |
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70 } |
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71 |
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72 public static synchronized ProxyPreparer getPreparer(String aName) |
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73 throws ConfigurationException { |
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74 |
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75 return (ProxyPreparer) |
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76 Config.getNonNullEntry(getConfig(), BLITZ_MODULE, aName, |
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77 ProxyPreparer.class, DEFAULT_PREPARER); |
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78 } |
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79 |
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80 public static synchronized Object getEntry(String aName, Class aType) |
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81 throws ConfigurationException { |
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82 return getConfig().getEntry(BLITZ_MODULE, aName, aType); |
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83 } |
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84 |
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85 public static synchronized Object getEntry(String aName, Class aType, |
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86 Object aDefault) |
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87 throws ConfigurationException { |
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88 |
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89 return getConfig().getEntry(BLITZ_MODULE, aName, aType, aDefault); |
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90 } |
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91 |
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92 public static synchronized Object getEntry(String aName, Class aType, |
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93 Object aDefault, Object aData) |
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94 throws ConfigurationException { |
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95 return getConfig().getEntry(BLITZ_MODULE, aName, aType, |
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96 aDefault, aData); |
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97 } |
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98 } |