JNDI Sample
2440 ワード
public class TestJbossJNDI {
public TestJbossJNDI() {
super();
// TODO Auto-generated constructor stub
}
public static void main(String[] args) { try {
Properties env = new Properties();
// jboss SPI , , URL,
env.load(new FileInputStream("jbossJndi.properties"));
env.list(System.out);
// JNDI api
InitialContext ctx = new javax.naming.InitialContext(env);
System.out.println("Got context");
//create a subContext
ctx.createSubcontext("/sylilzy");
ctx.createSubcontext("sylilzy/sily");
//rebind a object
ctx.rebind("sylilzy/sily/a", "I am sily a!");
ctx.rebind("sylilzy/sily/b", "I am sily b!");
//lookup context
Context ctx1=(Context)ctx.lookup("sylilzy");
Context ctx2=(Context)ctx1.lookup("/sylilzy/sily");
ctx2.bind("/sylilzy/g", "this is g");
//lookup binded object
Object o;
o=ctx1.lookup("sily/a");
System.out.println("get object from jndi:"+o);
//rename the object
ctx2.rename("/sylilzy/g", "g1");
o=ctx2.lookup("g1");
System.out.println("get object from jndi:"+o);
} catch (Exception e) {
e.printStackTrace();
}
}
}
Results:
-- listing properties --
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.provider.url=jnp://localhost:1099
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
Got context
get object from jndi:I am sily a!
get object from jndi:this is g
プログラム中jbossJndi.propertiesファイルの内容は次のとおりです.
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
java.naming.provider.url=jnp://localhost:1099
上記の例示的なプログラムは、jbossサーバのjndiツリー上にいくつかのコンテキストを確立し、bindはいくつかのオブジェクトを構築し、
結果:
-----------------------------
/sylilzy/sily
-----------------------------
/sylilzy/sily/b:I am sily b!
/sylilzy/sily/a:I am sily a!
/sylilzy/sily/g1:this is g
-----------------------------