INT-1745 added support for error-channel to in-the-chain gateways

spring-integration-core/src/test/java/org/springframework/integration/gateway/InnerGatewayWithChainTests-context.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:int="http://www.springframework.org/schema/integration"
+	xsi:schemaLocation="http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration-2.0.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<int:channel id="errorChannelA"/>
+	
+	<int:service-activator input-channel="errorChannelA" expression="'ERROR from errorChannelA'"/>
+		
+	<int:channel id="errorChannelB"/>
+	
+	<int:service-activator input-channel="errorChannelB" expression="'ERROR from errorChannelB'"/>
+		
+
+	<int:gateway id="testGateway" 
+	             service-interface="org.springframework.integration.gateway.InnerGatewayWithChainTests.TestGateway"
+	             default-request-channel="requestChannelA"
+	             error-channel="errorChannelA"/>
+	                    
+	<int:chain input-channel="requestChannelA">
+		<int:service-activator expression="1/(payload-5)"/>
+		<int:gateway request-channel="requestChannelB" error-channel="errorChannelB"/>
+	</int:chain>
+	
+	<int:service-activator input-channel="requestChannelB" expression="10/payload"/>
+</beans>

spring-integration-core/src/test/java/org/springframework/integration/gateway/InnerGatewayWithChainTests.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2002-2011 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 junit.framework.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author Oleg Zhurakousky
+ *
+ */
+@ContextConfiguration
+@RunWith(SpringJUnit4ClassRunner.class)
+public class InnerGatewayWithChainTests {
+	
+	@Autowired
+	private TestGateway testGateway;
+
+	@Test
+	public void testExceptionHandledByMainGateway(){
+		String reply = testGateway.echo(5);
+		assertEquals("ERROR from errorChannelA", reply);
+	}
+	
+	@Test
+	public void testExceptionHandledByInnerGateway(){
+		String reply = testGateway.echo(0);
+		assertEquals("ERROR from errorChannelB", reply);
+	}
+	
+	public static interface TestGateway{
+		public String echo(int value);
+	}
+}