/*
* Copyright 2014-2016 the original author or authors.
*
* Licensed 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.
*/
package org.springframework.integration.expression;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertThat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Gary Russell
* @since 3.0.2
*
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class ForeignClassloaderTests {
@Autowired
private MessageChannel foo;
@Autowired
private PollableChannel bar;
/**
* Sends a message on a thread that has a ClassLoader that doesn't have visibility to Foo.
* Fails without a custom TypeLocator in the evaluation context factory bean.
*/
@Test
public void testThreadHasWrongClassLoader() {
Thread t = new Thread(() -> {
try {
foo.send(new GenericMessage<String>("foo"));
}
catch (Exception e) {
e.printStackTrace();
}
});
t.setContextClassLoader(new ClassLoader() {
@Override
public Class<?> loadClass(String name) throws ClassNotFoundException {
throw new ClassNotFoundException("Foo not found");
}
});
t.start();
Message<?> reply = bar.receive(10000);
assertThat(reply.getPayload(), instanceOf(Foo.class));
}
public static class Foo {
}
}