| |
| // Here is a code example to configure the JDBCAppender without a configuration-file |
| |
| import org.apache.log4j.*; |
| import java.sql.*; |
| import java.lang.*; |
| import java.util.*; |
| |
| public class Log4JTest |
| { |
| // Create a category instance for this class |
| static Category cat = Category.getInstance(Log4JTest.class.getName()); |
| |
| public static void main(String[] args) |
| { |
| // A JDBCIDHandler |
| MyIDHandler idhandler = new MyIDHandler(); |
| |
| // Ensure to have all necessary drivers installed ! |
| try |
| { |
| Driver d = (Driver)(Class.forName("oracle.jdbc.driver.OracleDriver").newInstance()); |
| DriverManager.registerDriver(d); |
| } |
| catch(Exception e){} |
| |
| // Set the priority which messages have to be logged |
| cat.setPriority(Priority.DEBUG); |
| |
| // Create a new instance of JDBCAppender |
| JDBCAppender ja = new JDBCAppender(); |
| |
| // Set options with method setOption() |
| ja.setOption(JDBCAppender.CONNECTOR_OPTION, "MyConnectionHandler"); |
| ja.setOption(JDBCAppender.URL_OPTION, "jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(COMMUNITY=tcp.world)(PROTOCOL=TCP)(Host=LENZI)(Port=1521))(ADDRESS=(COMMUNITY=tcp.world)(PROTOCOL=TCP)(Host=LENZI)(Port=1526)))(CONNECT_DATA=(SID=LENZI)))"); |
| ja.setOption(JDBCAppender.USERNAME_OPTION, "mex_pr_dev60"); |
| ja.setOption(JDBCAppender.PASSWORD_OPTION, "mex_pr_dev60"); |
| |
| ja.setOption(JDBCAppender.TABLE_OPTION, "logtest"); |
| |
| // There are two ways to setup the column-descriptions : |
| // 1. Use the the method setOption(JDBCAppender.COLUMNS_OPTION, column-description) |
| //ja.setOption(JDBCAppender.COLUMNS_OPTION, "id_seq~EMPTY id~ID~MyIDHandler msg~MSG created_on~TIMESTAMP created_by~STATIC~:-) Thomas Fenner (t.fenner@klopotek.de)"); |
| |
| // 2. Use the better way of coding with method setLogType(String columnname, int LogType.xxx, Object xxx) |
| ja.setLogType("id_seq", LogType.EMPTY, ""); |
| ja.setLogType("id", LogType.ID, idhandler); |
| ja.setLogType("msg", LogType.MSG, ""); |
| ja.setLogType("created_on", LogType.TIMESTAMP, ""); |
| ja.setLogType("created_by", LogType.STATIC, "FEN"); |
| |
| // If you just want to perform a static sql-statement, forget about the table- and columns-options, |
| // and use this one : |
| //ja.setOption(JDBCAppender.SQL_OPTION, "INSERT INTO LOGTEST (id, msg, created_on, created_by) VALUES (1, @MSG@, sysdate, 'me')"); |
| |
| // other options |
| //ja.setOption(JDBCAppender.BUFFER_OPTION, "1"); |
| //ja.setOption(JDBCAppender.COMMIT_OPTION, "Y"); |
| |
| // Define a layout |
| //ja.setLayout(new PatternLayout("%m")); |
| |
| // Add the appender to a category |
| cat.addAppender(ja); |
| |
| // These messages with Priority >= setted priority will be logged to the database. |
| cat.debug("debug"); |
| cat.info("info"); |
| cat.error("error"); |
| cat.fatal("fatal"); |
| } |
| } |
| |
| // Implement a sample JDBCConnectionHandler |
| class MyConnectionHandler implements JDBCConnectionHandler |
| { |
| Connection con = null; |
| //Default connection |
| String url = "jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(COMMUNITY=tcp.world)(PROTOCOL=TCP)(Host=LENZI)(Port=1521))(ADDRESS=(COMMUNITY=tcp.world)(PROTOCOL=TCP)(Host=LENZI)(Port=1526)))(CONNECT_DATA=(SID=LENZI)))"; |
| String username = "mex_pr_dev60"; |
| String password = "mex_pr_dev60"; |
| |
| public Connection getConnection() |
| { |
| return getConnection(url, username, password); |
| } |
| |
| public Connection getConnection(String _url, String _username, String _password) |
| { |
| try |
| { |
| if(con != null && !con.isClosed()) con.close(); |
| con = DriverManager.getConnection(_url, _username, _password); |
| con.setAutoCommit(false); |
| } |
| catch(Exception e){} |
| |
| return con; |
| } |
| } |
| |
| |
| // Implement a sample JDBCIDHandler |
| class MyIDHandler implements JDBCIDHandler |
| { |
| private static long id = 0; |
| |
| public synchronized Object getID() |
| { |
| return new Long(++id); |
| } |
| } |
| |