| /** |
| * 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. |
| */ |
| package org.apache.camel.processor; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.Processor; |
| import org.apache.camel.TestSupport; |
| import org.apache.camel.impl.DefaultCamelContext; |
| import org.apache.camel.impl.DefaultMessage; |
| import org.apache.camel.spi.DataFormat; |
| |
| public class UnmarshalProcessorTest extends TestSupport { |
| |
| public void testDataFormatReturnsSameExchange() throws Exception { |
| Exchange exchange = createExchangeWithBody(new DefaultCamelContext(), "body"); |
| Processor processor = new UnmarshalProcessor(new MyDataFormat(exchange)); |
| |
| processor.process(exchange); |
| |
| assertEquals("UnmarshalProcessor did not copy OUT from IN message", "body", exchange.getOut().getBody()); |
| } |
| |
| public void testDataFormatReturnsAnotherExchange() throws Exception { |
| CamelContext context = new DefaultCamelContext(); |
| Exchange exchange = createExchangeWithBody(context, "body"); |
| Exchange exchange2 = createExchangeWithBody(context, "body2"); |
| Processor processor = new UnmarshalProcessor(new MyDataFormat(exchange2)); |
| |
| processor.process(exchange); |
| |
| Exception e = exchange.getException(); |
| assertNotNull(e); |
| assertEquals("The returned exchange " + exchange2 + " is not the same as " + exchange + " provided to the DataFormat", e.getMessage()); |
| } |
| |
| public void testDataFormatReturnsMessage() throws Exception { |
| Exchange exchange = createExchangeWithBody(new DefaultCamelContext(), "body"); |
| Message out = new DefaultMessage(); |
| out.setBody(new Object()); |
| Processor processor = new UnmarshalProcessor(new MyDataFormat(out)); |
| |
| processor.process(exchange); |
| assertSame("UnmarshalProcessor did not make use of the returned OUT message", out, exchange.getOut()); |
| assertSame("UnmarshalProcessor did change the body bound to the OUT message", out.getBody(), exchange.getOut().getBody()); |
| } |
| |
| public void testDataFormatReturnsBody() throws Exception { |
| Exchange exchange = createExchangeWithBody(new DefaultCamelContext(), "body"); |
| Object unmarshalled = new Object(); |
| Processor processor = new UnmarshalProcessor(new MyDataFormat(unmarshalled)); |
| |
| processor.process(exchange); |
| assertSame("UnmarshalProcessor did not make use of the returned object being returned while unmarshalling", unmarshalled, exchange.getOut().getBody()); |
| } |
| |
| private static class MyDataFormat implements DataFormat { |
| |
| private final Object object; |
| |
| MyDataFormat(Exchange exchange) { |
| object = exchange; |
| } |
| |
| MyDataFormat(Message message) { |
| object = message; |
| } |
| |
| MyDataFormat(Object unmarshalled) { |
| object = unmarshalled; |
| } |
| |
| @Override |
| public void marshal(Exchange exchange, Object graph, OutputStream stream) throws Exception { |
| throw new IllegalAccessException("This method is not expected to be used by UnmarshalProcessor"); |
| } |
| |
| @Override |
| public Object unmarshal(Exchange exchange, InputStream stream) throws Exception { |
| return object; |
| } |
| } |
| |
| } |