import java.sql.SQLException;
 
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
 
import oracle.jdbc.pool.OracleDataSource;
 
public class OracleJNDI
{
  
  public OracleJNDI() throws SQLException
  {
  super();
  }
  /**
  * 使用sun提供的com.sun.jndi.fscontext.RefFSContextFactory作為JNDI服務(wù)器，
  * 其實(shí)這是使用文件系統(tǒng)來存儲(chǔ)JNDI對(duì)象
  * @param args
  * @throws NamingException
  * @throws SQLException
  */
  public static void main(String[] args) throws NamingException, SQLException
  {
  
  //Properties ps = new Properties();
  //為系統(tǒng)設(shè)置jndi工廠
  System.setProperty(Context.INITIAL_CONTEXT_FACTORY,
  "com.sun.jndi.fscontext.RefFSContextFactory");
  //指定JNDI URL
  System.setProperty(Context.PROVIDER_URL, "file:JNDI_REF");
  Context ctx = new InitialContext();
  
  //OracleDataSoruce對(duì)象，它已經(jīng)實(shí)現(xiàn)了javax.naming.Referencable
  OracleDataSource ojndi = new OracleDataSource();
  
  //設(shè)置相關(guān)數(shù)據(jù)庫屬性
  ojndi.setDatabaseName("DXS");
  ojndi.setURL("jdbc:oracle:thin:@localhost:1521:dflcrm");
  ojndi.setUser("smp_dba");
  ojndi.setPassword("123");
  ojndi.setDescription("JDBC Datasource connection.");
  
  //重新綁定OJNDI對(duì)象
  ctx.rebind("ojndi", ojndi);
  System.out.println("bind successful");
  //關(guān)閉
  ctx.close();
  }
 
}
 

import java.sql.Connection;
import java.util.Properties;
 
import javax.naming.Context;
import javax.naming.InitialContext;
 
import oracle.jdbc.pool.OracleDataSource;
 
public class Lookup
{
  /**
  * 這是一個(gè)演示了如果查找JNDI的方法，注意以下二點(diǎn)：
  * 1.確保系統(tǒng)屬性中存在Context.INITIAL_CONTEXT_FACTORY和Context.PROVIDER_URL（這不是必須的，如果沒有則２）
  * 2.如果沒有設(shè)置系統(tǒng)屬性，那么必須由相關(guān)的有這二個(gè)變量的HashTable構(gòu)造Context對(duì)象 下面的演示采用第二種實(shí)現(xiàn)
  *  
  * @param args
  * @throws Exception
  */
  public static void main(String[] args) throws Exception
  {
  //構(gòu)造HashTable對(duì)象
  Properties ps = new Properties();
  ps.setProperty(Context.INITIAL_CONTEXT_FACTORY,
  "com.sun.jndi.fscontext.RefFSContextFactory");
  ps.setProperty(Context.PROVIDER_URL, "file:JNDI_REF");
  //由HashTable對(duì)象構(gòu)造Context對(duì)象
  Context ctx = new InitialContext(ps);
  //查找"OJNDI"
  OracleDataSource dataSource = (OracleDataSource) ctx.lookup("ojndi");
  System.out.println("dataSource: " + dataSource);
  Connection conn = dataSource.getConnection();
  System.out.println(conn);
  }
 
}