conndbfactory.java

一个很有特点的地图平台,可以以动画方试展现电子地图,有拉近,拉远,滑动功能,最主要的是它是一个地图维护台,处理地图到数据库的数据导入

package mapcenter.service;

import java.sql.*;
import org.apache.commons.dbcp.BasicDataSource;
import mapcenter.weihu.MapContext;

public class ConnDBFactory {
  private static Log log = LogFactory.getLog("WebGIS");
  private BasicDataSource dataSource;//数据源对像
  private String OrigCharSet, TargCharSet;
  private String EncodeCharSet;

  public ConnDBFactory() {
    try{
      dataSource = new BasicDataSource();
      dataSource.setDriverClassName(MapContext.getInitParameter("driver"));
      dataSource.setUrl(MapContext.getInitParameter("url"));
      dataSource.setUsername(MapContext.getInitParameter("user"));
      dataSource.setPassword(MapContext.getInitParameter("pwd"));
      dataSource.setInitialSize(2);
      dataSource.setMaxActive(2);
      OrigCharSet = "ISO-8859-1";//servletContext.getInitParameter("OrigCharSet");
      TargCharSet = "GBK";//servletContext.getInitParameter("TargCharSet");
      EncodeCharSet = "Open";//servletContext.getInitParameter("EncodeCharSet");
    }catch(Exception e){
      log.error(e);
    }
  }

  public Connection getConnection()throws Exception{

     Connection conn = dataSource.getConnection();
     if(EncodeCharSet.toUpperCase().equals("OPEN")){
       return new EncodeConnection(conn,OrigCharSet,TargCharSet);
     }else{
       return conn;
     }
  }

  public static ConnDBFactory getInstance(){
    return new ConnDBFactory();
  }

}