/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* 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.switchyard.tests;
import javax.xml.namespace.QName;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
import org.switchyard.Exchange;
import org.switchyard.HandlerException;
import org.switchyard.Message;
import org.switchyard.MockDomain;
import org.switchyard.MockHandler;
import org.switchyard.ServiceReference;
import org.switchyard.handlers.TransformHandler;
import org.switchyard.transform.BaseTransformer;
import org.switchyard.transform.TransformSequence;
import org.switchyard.transform.Transformer;
/**
* Tests for exercising the TransformationHandler during message exchange.
*/
public class IndirectTransformationTest {
private MockDomain _domain;
@Before
public void setUp() throws Exception {
_domain = new MockDomain();
}
/* Tests to Add :
* - test one level deep transformation
*/
/**
* Test that the secondary Transform that is one level deep (i.e. A->B, B-C) is applied if the primary Transform (A->C) is not available
*/
@Test
public void testOneLevelDeepTransformInProvider() throws Exception {
final QName serviceName = new QName("nameTransform");
final QName inType = new QName("fromA");
final QName indirectDestOutType = new QName("viaB");
final QName indirectDestInType = new QName("viaB");
final QName finalDestOutType = new QName("toC");
final String input = "Hello";
// Add transforms to registry
Transformer<String, String> transformAtoB =
new BaseTransformer<String, String>(inType, indirectDestOutType) {
public String transform(String from) {
// transform the input date to the desired output string
return from + " there,";
}
};
_domain.getTransformerRegistry().addTransformer(transformAtoB);
Transformer<String, String> transformBtoC =
new BaseTransformer<String, String>(indirectDestInType, finalDestOutType) {
public String transform(String from) {
// transform the input date to the desired output string
return from + " SwitchYard";
}
};
_domain.getTransformerRegistry().addTransformer(transformBtoC);
try {
// Provide the service
TestTransformHandler serviceHandler = new TestTransformHandler();
ServiceReference service = _domain.createInOnlyService(serviceName, serviceHandler);
// Create the exchange and invoke the service
MockHandler invokerHandler = new MockHandler();
Exchange exchange = service.createExchange(invokerHandler);
// Set the from and to message names. NOTE: setting to the to message
// name will not be necessary once the service definition is available
// at runtime
Message msg = exchange.createMessage().setContent(input);
TransformSequence.
from(inType).
to(finalDestOutType).
associateWith(msg);
msg.setContent(input);
exchange.send(msg);
Assert.assertTrue(serviceHandler.isSuccess());
} finally {
// Must remove this transformer, otherwise it's there for the following test... will be
// fixed once we get rid of the static service domain.
_domain.getTransformerRegistry().removeTransformer(transformAtoB);
_domain.getTransformerRegistry().removeTransformer(transformBtoC);
}
}
private class TestTransformHandler extends TransformHandler {
boolean success = false;
public boolean isSuccess() {
return success;
}
@Override
public void handleMessage(Exchange exchange) throws HandlerException {
String content = (String) exchange.getMessage().getContent();
if (content.equals("Hello there, SwitchYard")) {
success=true;
}
}
}
}