/*
* Copyright 2002-2016 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.config.xml;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.serializer.Deserializer;
import org.springframework.integration.transformer.MessageTransformationException;
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.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.FileCopyUtils;
/**
* @author Mark Fisher
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class PayloadDeserializingTransformerParserTests {
@Autowired
private MessageChannel directInput;
@Autowired
private MessageChannel queueInput;
@Autowired
private MessageChannel customDeserializerInput;
@Autowired
private PollableChannel output;
@Test
public void directChannelWithSerializedStringMessage() throws Exception {
byte[] bytes = serialize("foo");
directInput.send(new GenericMessage<byte[]>(bytes));
Message<?> result = output.receive(10000);
assertNotNull(result);
assertTrue(result.getPayload() instanceof String);
assertEquals("foo", result.getPayload());
}
@Test
public void queueChannelWithSerializedStringMessage() throws Exception {
byte[] bytes = serialize("foo");
queueInput.send(new GenericMessage<byte[]>(bytes));
Message<?> result = output.receive(10000);
assertNotNull(result);
assertTrue(result.getPayload() instanceof String);
assertEquals("foo", result.getPayload());
}
@Test
public void directChannelWithSerializedObjectMessage() throws Exception {
byte[] bytes = serialize(new TestBean());
directInput.send(new GenericMessage<byte[]>(bytes));
Message<?> result = output.receive(10000);
assertNotNull(result);
assertEquals(TestBean.class, result.getPayload().getClass());
assertEquals("test", ((TestBean) result.getPayload()).name);
}
@Test
public void queueChannelWithSerializedObjectMessage() throws Exception {
byte[] bytes = serialize(new TestBean());
queueInput.send(new GenericMessage<byte[]>(bytes));
Message<?> result = output.receive(10000);
assertNotNull(result);
assertEquals(TestBean.class, result.getPayload().getClass());
assertEquals("test", ((TestBean) result.getPayload()).name);
}
@Test(expected = MessageTransformationException.class)
public void invalidPayload() {
byte[] bytes = new byte[] { 1, 2, 3 };
directInput.send(new GenericMessage<byte[]>(bytes));
}
@Test
public void customDeserializer() throws Exception {
customDeserializerInput.send(new GenericMessage<byte[]>("test".getBytes("UTF-8")));
Message<?> result = output.receive(10000);
assertNotNull(result);
assertEquals(String.class, result.getPayload().getClass());
assertEquals("TEST", result.getPayload());
}
private static byte[] serialize(Object object) throws Exception {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
ObjectOutputStream objectStream = new ObjectOutputStream(byteStream);
objectStream.writeObject(object);
return byteStream.toByteArray();
}
@SuppressWarnings("serial")
private static class TestBean implements Serializable {
TestBean() {
super();
}
public final String name = "test";
}
public static class TestDeserializer implements Deserializer<Object> {
@Override
public Object deserialize(InputStream source) throws IOException {
return FileCopyUtils.copyToString(new InputStreamReader(source, "UTF-8")).toUpperCase();
}
}
}