import javax.naming.*;
import javax.naming.directory.*;

import java.util.Hashtable;

/**
 * Demonstrates how to create an initial context to an LDAP server
 * using an LDAPS URL. For this example to work, JSSE must be installed and
 * configured, and the issuer of the LDAP server's certificate must 
 * be in the JSSE trust store.
 *
 * usage: java Ldaps
 */
class Ldaps {
    public static void main(String[] args) {
	// Set up environment for creating initial context
        Hashtable<String, Object> env = new Hashtable<String, Object>(11);
	env.put(Context.INITIAL_CONTEXT_FACTORY, 
	    "com.sun.jndi.ldap.LdapCtxFactory");

	// Specify LDAPS URL
	env.put(Context.PROVIDER_URL, "ldaps://localhost:636/o=JNDITutorial");

	// Authenticate as S. User and password "mysecret"
	env.put(Context.SECURITY_AUTHENTICATION, "simple");
	env.put(Context.SECURITY_PRINCIPAL, "cn=S. User, ou=NewHires, o=JNDITutorial");
	env.put(Context.SECURITY_CREDENTIALS, "mysecret");

	try {
	    // Create initial context
	    DirContext ctx = new InitialDirContext(env);

	    System.out.println(ctx.lookup("ou=NewHires"));

	    // ... do something useful with ctx

	    // Close the context when we're done
	    ctx.close();
	} catch (NamingException e) {
	    e.printStackTrace();
	}
    }
}