clouddatasource.java

此程序都是企业级 的数据库开发程序 全面揭示了JAVA对数据库的操作

// datasource.CloudDataSource.java
package datasource;

import java.sql.*;
import javax.sql.*;
import COM.cloudscape.core.*;
import javax.naming.*;
import java.util.*;

/**
 * A class to create a DataSource and bind it to a directory.
 */
public class CloudDataSource {
  static ResourceBundle bundle = null;
  static String s;

  public static void main(String[] args)
  {
    bundle = ResourceBundle.getBundle("CloudDataSourceProps");
    try {
      //create and store parameters which are used to create the context
      Hashtable env = new Hashtable();
      env.put(Context.INITIAL_CONTEXT_FACTORY, 
         bundle.getString("datasource.factory"));
      env.put(Context.PROVIDER_URL, 
         bundle.getString("datasource.url"));
      //create the context
      Context context = new InitialContext(env);

      //Create a DataSource object
      BasicDataSource csDataSource = new BasicDataSource();

      //set the connection parameters
// Note the following lines are deliberately commented out, as they are not used
//      s = bundle.getString("datasource.drivertype");
//      dataSource.setDriverType(s);
//      s = bundle.getString("datasource.netprotocol");
//      dataSource.setNetworkProtocol(s);
//      s = bundle.getString("datasource.server");
//      dataSource.setServerName(s);
//      s = bundle.getString("datasource.port");
//      dataSource.setPortNumber(s);
      s = bundle.getString("datasource.databasename.cloudscape");
      csDataSource.setDatabaseName(s);

      //get the name
      String bindName = bundle.getString("datasource.bindname.cloudscape");
      //bind the DataSource with the name
      context.rebind(bindName, csDataSource);
      System.out.println("DataSource completed");
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

}