jndiconnectionfactory.java.svn-base

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/**
 * Copyright: Copyright (c) 2004 Handson
 * Description: 使锟斤拷JDBC2.0l锟斤拷锟斤拷菘锟?
 * Title: JNDIConnectionFactory.java
 * @author Administrator
 * Create Time: 锟斤拷锟斤拷10:05:30
 * @Version:1.0
 */
package cn.handson.model.connection;

import java.sql.*;
import java.util.logging.Logger;

import javax.sql.*;
import javax.naming.*;

public class JNDIConnectionFactory  implements ConnectionFactory {
  
  private static Logger log = Logger.getLogger("JNDIConnectionFactory");
 /**
   * 锟斤拷锟斤拷锟斤拷
   */
  public JNDIConnectionFactory() {

  }
  /**
   * 使锟斤拷JDBC2.0l锟斤拷锟斤拷菘锟?
   * @return Connection object.
   */
  public Connection getConnection() {
    //锟斤拷取JNDI锟斤拷
    ConnectionProperty cp = ConnectionProperty.getInstance();
    Connection conn = null;
    Context ctx = null;
    DataSource dataSource = null;

    try {
      ctx = new InitialContext();//锟斤拷始锟斤拷锟斤拷锟斤拷锟侥伙拷锟斤拷
      Object obj = ctx.lookup(cp.getJndiName());//JNDI锟斤拷锟斤拷锟斤拷锟皆达拷锟紻ataSource锟斤拷
      dataSource = (DataSource) obj;
      conn = dataSource.getConnection();//锟斤拷锟斤拷锟皆达拷谢锟斤拷锟斤拷菘锟絣锟斤拷
    }
    catch ( NamingException e ) {
      log.warning("Naming is error: "+e.getMessage());
    }
    catch ( SQLException e ){
      log.warning("锟斤拷锟絣锟接达拷锟斤拷: "+e.getMessage());
    }

    return conn;
  }

}