Java reads the properties file in a Web project

1 Importjava.io.FileNotFoundException;2 Importjava.io.IOException;3 ImportJava.io.InputStream;4 Importjava.sql.SQLException;5 Importjava.util.Properties;6 7 ImportJavax.sql.DataSource;8 9 Importcom.alibaba.druid.pool.DruidDataSourceFactory;Ten  One  Public classjdbcutils A { -     protected StaticDataSource ds; -  the     Static -     { -         Try -         { +Properties Properties = Loadpropertyfile ("Druid.properties"); -DS =Druiddatasourcefactory.createdatasource (properties); +         } A         Catch(Exception e) at         { - e.printstacktrace (); -         } -     } -  -      Public StaticProperties loadpropertyfile (String fileName) in     { -         if(NULL= = FileName | | Filename.equals ("")) to         { +             Throw NewIllegalArgumentException ("Properties file path can not is null:" +fileName); -         } the  *InputStream InputStream =NULL; $Properties Properties =NULL;Panax Notoginseng         Try -         { theInputStream = Jdbcutils.class. getClassLoader (). getResourceAsStream (fileName); +Properties =NewProperties (); A properties.load (inputstream); the         } +         Catch(FileNotFoundException e) -         { $             Throw NewIllegalArgumentException ("Properties File not found:" +fileName); $         } -         Catch(IOException e) -         { the             Throw NewIllegalArgumentException ("Properties file can not loading:" +fileName); -         }Wuyi         finally the         { -             Try Wu             { -                 if(InputStream! =NULL) About                 { $ inputstream.close (); -                 } -             } -             Catch(IOException e) A             { + e.printstacktrace (); the             } -         } $         returnproperties; the     } the  the     /** the * Get Data source -      *  in      * @return the      */ the      Public StaticDataSource Getdatasource () About     { the         returnds; the     } the  +      Public Static voidCloseConnection ()throwsSQLException -     { the         if(ds! =NULL&& ds.getconnection ()! =NULL&&!ds.getconnection (). isClosed ())Bayi         { the ds.getconnection (). Close (); the         } -     } -}

Java reads the properties file in a Web project