EJB获取JNDI

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;

public class JndiUtil {
	private static final Map<String, Properties> cache = new HashMap<String, Properties>();
	static {
		cacheProp();
	}
	/**
	 * 获取默认的jndi连接.
	 * @param jndi
	 * @return Object
	 */
	public static Object lookup(String jndi) {
		Object obj = null;
		try {
			obj = new InitialContext(cache.get("default")).lookup(jndi);
		} catch (Exception e) {
			System.out.print("Can't connect the ejb");
			e.printStackTrace();
		}
		return obj;
	}

	/**
	 * 获取默认jndi连接.
	 * @param jndi
	 * @param cla
	 * @return Object
	 */
	public static Object lookup(String jndi, Class<?> cla) {
		Object obj = null;
		try {
			obj = PortableRemoteObject.narrow(new InitialContext(cache.get("default")).lookup(jndi), cla);
		} catch (Exception e) {
			System.out.print("Can't connect the ejb");
			e.printStackTrace();
		}
		return obj;
	}
	
	/**
	 * 获取指定远程EJB的JNDI方法.
	 * @param jndi
	 * @param name
	 * @return
	 */
	public static Object lookup(String jndi, String propName) {
		Object obj = null;
		try {
			obj = new InitialContext(cache.get(propName)).lookup(jndi);
		} catch (Exception e) {
			System.out.print("Can't connect the ejb");
			e.printStackTrace();
		}
		return obj;
	}
	
	private static void cacheProp() {
		try {
			Properties prop = new Properties();
			prop.load(JndiUtil.class.getResourceAsStream("/jndi_service.properties"));
			cache.put("default", prop);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public static String get(String key, String prop) {
		if (null != prop && !"".equals(prop))
			return cache.get(prop).getProperty(key);
		else
			return cache.get("default").getProperty(key);
	}
}

jndi_service.properties:

java.naming.factory.initial = org.jnp.interfaces.NamingContextFactory
java.naming.provider.url = jnp://127.0.0.1:1099
java.naming.factory.url.pkgs = org.jboss.naming