/*
* 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.gateway;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.util.HashMap;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.config.IntegrationEvaluationContextFactoryBean;
import org.springframework.integration.context.IntegrationContextUtils;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.handler.annotation.Header;
import org.springframework.messaging.handler.annotation.Headers;
import org.springframework.messaging.handler.annotation.Payload;
/**
* @author Mark Fisher
* @author Gary Russell
* @author Artem Bilan
* @since 2.0
*/
public class GatewayProxyMessageMappingTests {
private final QueueChannel channel = new QueueChannel();
private volatile TestGateway gateway = null;
@Before
public void initializeGateway() throws Exception {
GatewayProxyFactoryBean factoryBean = new GatewayProxyFactoryBean();
factoryBean.setServiceInterface(TestGateway.class);
factoryBean.setDefaultRequestChannel(channel);
factoryBean.setBeanName("testGateway");
GenericApplicationContext context = new GenericApplicationContext();
context.registerBeanDefinition(IntegrationContextUtils.INTEGRATION_EVALUATION_CONTEXT_BEAN_NAME,
new RootBeanDefinition(IntegrationEvaluationContextFactoryBean.class));
context.refresh();
factoryBean.setBeanFactory(context);
factoryBean.afterPropertiesSet();
this.gateway = (TestGateway) factoryBean.getObject();
}
@Test
public void payloadAndHeaderMapWithoutAnnotations() throws Exception {
Map<String, Object> m = new HashMap<String, Object>();
m.put("k1", "v1");
m.put("k2", "v2");
gateway.payloadAndHeaderMapWithoutAnnotations("foo", m);
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals("foo", result.getPayload());
assertEquals("v1", result.getHeaders().get("k1"));
assertEquals("v2", result.getHeaders().get("k2"));
}
@Test
public void payloadAndHeaderMapWithAnnotations() throws Exception {
Map<String, Object> m = new HashMap<String, Object>();
m.put("k1", "v1");
m.put("k2", "v2");
gateway.payloadAndHeaderMapWithAnnotations("foo", m);
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals("foo", result.getPayload());
assertEquals("v1", result.getHeaders().get("k1"));
assertEquals("v2", result.getHeaders().get("k2"));
}
@Test
public void headerValuesAndPayloadWithAnnotations() throws Exception {
gateway.headerValuesAndPayloadWithAnnotations("headerValue1", "payloadValue", "headerValue2");
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals("payloadValue", result.getPayload());
assertEquals("headerValue1", result.getHeaders().get("k1"));
assertEquals("headerValue2", result.getHeaders().get("k2"));
}
@Test
public void mapOnly() throws Exception {
Map<String, Object> map = new HashMap<String, Object>();
map.put("k1", "v1");
map.put("k2", "v2");
gateway.mapOnly(map);
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals(map, result.getPayload());
assertNull(result.getHeaders().get("k1"));
assertNull(result.getHeaders().get("k2"));
}
@Test
public void twoMapsAndOneAnnotatedWithPayload() {
Map<String, Object> map1 = new HashMap<String, Object>();
Map<String, Object> map2 = new HashMap<String, Object>();
map1.put("k1", "v1");
map2.put("k2", "v2");
gateway.twoMapsAndOneAnnotatedWithPayload(map1, map2);
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals(map1, result.getPayload());
assertEquals("v2", result.getHeaders().get("k2"));
assertNull(result.getHeaders().get("k1"));
}
@Test
public void payloadAnnotationAtMethodLevel() throws Exception {
gateway.payloadAnnotationAtMethodLevel("foo", "bar");
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals("foobar!", result.getPayload());
}
@Test
public void payloadAnnotationAtMethodLevelUsingBeanResolver() throws Exception {
GenericApplicationContext context = new GenericApplicationContext();
RootBeanDefinition gatewayDefinition = new RootBeanDefinition(GatewayProxyFactoryBean.class);
gatewayDefinition.getPropertyValues().add("defaultRequestChannel", channel);
gatewayDefinition.getPropertyValues().add("serviceInterface", TestGateway.class);
context.registerBeanDefinition("testGateway", gatewayDefinition);
context.registerBeanDefinition("testBean", new RootBeanDefinition(TestBean.class));
context.registerBeanDefinition(IntegrationContextUtils.INTEGRATION_EVALUATION_CONTEXT_BEAN_NAME,
new RootBeanDefinition(IntegrationEvaluationContextFactoryBean.class));
context.refresh();
TestGateway gateway = context.getBean("testGateway", TestGateway.class);
gateway.payloadAnnotationAtMethodLevelUsingBeanResolver("foo");
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals("FOO!!!", result.getPayload());
context.close();
}
@Test
public void payloadAnnotationWithExpression() throws Exception {
gateway.payloadAnnotationWithExpression("foo");
Message<?> result = channel.receive(0);
assertNotNull(result);
assertEquals("FOO", result.getPayload());
}
@Test
public void payloadAnnotationWithExpressionUsingBeanResolver() throws Exception {
GenericApplicationContext context = new GenericApplicationContext();
RootBeanDefinition gatewayDefinition = new RootBeanDefinition(GatewayProxyFactoryBean.class);
gatewayDefinition.getPropertyValues().add("defaultRequestChannel", channel);
gatewayDefinition.getPropertyValues().add("serviceInterface", TestGateway.class);
context.registerBeanDefinition("testGateway", gatewayDefinition);
context.registerBeanDefinition("testBean", new RootBeanDefinition(TestBean.class));
context.registerBeanDefinition(IntegrationContextUtils.INTEGRATION_EVALUATION_CONTEXT_BEAN_NAME,
new RootBeanDefinition(IntegrationEvaluationContextFactoryBean.class));
context.refresh();
TestGateway gateway = context.getBean("testGateway", TestGateway.class);
gateway.payloadAnnotationWithExpressionUsingBeanResolver("foo");
gateway.payloadAnnotationWithExpressionUsingBeanResolver("bar");
Message<?> fooResult = channel.receive(0);
assertNotNull(fooResult);
assertEquals(324, fooResult.getPayload());
Message<?> barResult = channel.receive(0);
assertNotNull(barResult);
assertEquals(309, barResult.getPayload());
assertNull(channel.receive(0));
context.close();
}
@Test(expected = MessagingException.class)
public void twoMapsWithoutAnnotations() {
Map<String, Object> map1 = new HashMap<String, Object>();
Map<String, Object> map2 = new HashMap<String, Object>();
map1.put("k1", "v1");
map2.put("k2", "v2");
gateway.twoMapsWithoutAnnotations(map1, map2);
}
@Test(expected = MessagingException.class)
public void twoPayloads() throws Exception {
gateway.twoPayloads("won't", "work");
}
@Test(expected = MessagingException.class)
public void payloadAndHeaderAnnotationsOnSameParameter() throws Exception {
gateway.payloadAndHeaderAnnotationsOnSameParameter("oops");
}
@Test(expected = MessagingException.class)
public void payloadAndHeadersAnnotationsOnSameParameter() throws Exception {
gateway.payloadAndHeadersAnnotationsOnSameParameter(new HashMap<String, Object>());
}
public interface TestGateway {
void payloadAndHeaderMapWithoutAnnotations(String s, Map<String, Object> map);
void payloadAndHeaderMapWithAnnotations(@Payload String s, @Headers Map<String, Object> map);
void headerValuesAndPayloadWithAnnotations(@Header("k1") String x, @Payload String s, @Header("k2") String y);
void mapOnly(Map<String, Object> map);
void twoMapsAndOneAnnotatedWithPayload(@Payload Map<String, Object> payload, Map<String, Object> headers);
@Payload("#args[0] + #args[1] + '!'")
void payloadAnnotationAtMethodLevel(String a, String b);
@Payload("@testBean.exclaim(#args[0])")
void payloadAnnotationAtMethodLevelUsingBeanResolver(String s);
void payloadAnnotationWithExpression(@Payload("toUpperCase()") String s);
void payloadAnnotationWithExpressionUsingBeanResolver(@Payload("@testBean.sum(#this)") String s);
// invalid
void twoMapsWithoutAnnotations(Map<String, Object> m1, Map<String, Object> m2);
// invalid
void twoPayloads(@Payload String s1, @Payload String s2);
// invalid
void payloadAndHeaderAnnotationsOnSameParameter(@Payload @Header("x") String s);
// invalid
void payloadAndHeadersAnnotationsOnSameParameter(@Payload @Headers Map<String, Object> map);
}
public static class TestBean {
public String exclaim(String s) {
return s.toUpperCase() + "!!!";
}
public int sum(String s) {
int sum = 0;
for (byte b : s.getBytes()) {
sum += b;
}
return sum;
}
}
}