/*
* $HeadURL: http://juliusdavies.ca/svn/not-yet-commons-ssl/tags/commons-ssl-0.3.9/src/java/org/apache/commons/ssl/rmi/Test.java $
* $Revision: 121 $
* $Date: 2007-11-14 05:26:57 +0000 (Wed, 14 Nov 2007) $
*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.ssl.rmi;
import org.apache.commons.ssl.LogWrapper;
import org.apache.commons.ssl.RMISocketFactoryImpl;
import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.server.RMISocketFactory;
/**
* @author Credit Union Central of British Columbia
* @author <a href="http://www.cucbc.com/">www.cucbc.com</a>
* @author <a href="mailto:juliusdavies@cucbc.com">juliusdavies@cucbc.com</a>
* @since 22-Feb-2007
*/
public class Test {
private final static LogWrapper log = LogWrapper.getLogger(Test.class);
private final static String TEST_DATE_NAME = "/org.apache.commons.ssl.rmi.testdate";
private final static String TEST_INT_NAME = "/org.apache.commons.ssl.rmi.testint";
protected final static int PORT;
protected final static String URL;
private static boolean rmiRunning = false;
static {
int port = 1099;
String host = "127.0.0.1";
PORT = port;
// e.g. "rmi://localhost:1099/"
URL = "rmi://" + host + ":" + port;
}
/**
* <p/>
* JNDI/RMI lookup wrapper. Appends "java:" if we expect
* binding/lookup to occur in the same JVM. Otherwise, appends "rmi:".
* </p>
*
* @param ref String reference.
* @return Object Object previously bound with String reference.
* @throws java.rmi.RemoteException rmi problem
* @throws java.rmi.NotBoundException rmi problem
* @throws java.net.MalformedURLException rmi problem
*/
public static Object lookup(String ref)
throws RemoteException, NotBoundException, MalformedURLException {
return Naming.lookup(URL + ref);
}
/**
* <p/>
* JNDI/RMI rebind wrapper for the UCS. Appends "java:" if we expect
* binding/lookup to occur in the same JVM. Otherwise, append "rmi:".
* </p><p>
* Also attempts to start a naming server on the localhost if one is
* not already running. Currently we use RMI.
* </p>
*
* @param ref String reference to bind with.
* @param obj Object to bind.
* @throws java.rmi.RemoteException rmi problem
* @throws java.net.MalformedURLException rmi problem
*/
public static void rebind(String ref, Remote obj)
throws RemoteException, MalformedURLException {
requireNameServer();
String realRef = URL + ref;
Naming.rebind(realRef, obj);
try {
Object o = lookup(ref);
log.debug("Bound " + o.getClass().getName() + " to [" + realRef + "]");
}
catch (NotBoundException nbe) {
log.debug("Error binding " + obj.getClass().getName() + " to [" + realRef + "]");
}
}
private static void rebindTest() throws Exception {
Remote remoteTest = new DateRMI();
Naming.rebind(URL + TEST_DATE_NAME, remoteTest);
Object o = Naming.lookup(URL + TEST_DATE_NAME);
if (!remoteTest.equals(o)) {
throw new RuntimeException("rmi: Test failed. Lookup != Rebind");
}
}
/**
* <p/>
* Attempts to start a naming server on the localhost if one is not
* already running.
* </p>
*/
private synchronized static void requireNameServer() {
if (rmiRunning) {
// We've already established that the name server is running.
return;
}
try {
// If this rebind works, then the naming server is running.
rebindTest();
rmiRunning = true;
}
catch (Exception e) {
Test.tryToStartNameServer();
try {
// Okay, we've started our naming server. Now we must perform a
// quick test to see that it's actually doing something.
rebindTest();
log.debug(Test.class.getName() + " successfully started.");
rmiRunning = true;
return;
}
catch (Exception e2) {
e2.printStackTrace();
log.error(e2.getMessage(), e2);
}
String msg = Test.class.getName() + " cannot start.";
log.error(msg);
throw new RuntimeException(msg);
}
}
public static void tryToStartNameServer() {
String className = Test.class.getName();
log.debug(className + " probably not running. Trying to start one.");
try {
LocateRegistry.createRegistry(PORT);
log.debug("registry on " + PORT + " started!");
}
catch (Exception problem) {
// bah - no luck
problem.printStackTrace();
log.warn(problem, problem);
}
}
public static void main(String[] args) throws Exception {
System.setProperty(RMISocketFactoryImpl.RMI_HOSTNAME_KEY, "localhost");
RMISocketFactoryImpl impl = new RMISocketFactoryImpl();
RMISocketFactory.setSocketFactory(impl);
if (args.length > 0) {
} else {
Test.requireNameServer();
Test.rebindTest();
IntegerRMI remoteInt = new IntegerRMI();
Test.rebind(TEST_INT_NAME, remoteInt);
}
Object o = Test.lookup(TEST_DATE_NAME);
RemoteDate rd = (RemoteDate) o;
System.out.println("The remote-date is: " + rd.getDate());
o = Test.lookup(TEST_INT_NAME);
RemoteInteger ri = (RemoteInteger) o;
System.out.println("The remote-int is: " + ri.getInt());
}
}