INT-8 added namespace support for Claim Check pattern
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Mark Fisher
@@ -0,0 +1,45 @@
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.config.xml;
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import org.w3c.dom.Element;
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import org.springframework.beans.factory.support.BeanDefinitionBuilder;
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import org.springframework.beans.factory.xml.ParserContext;
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import org.springframework.util.Assert;
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/**
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* Parser for the <claim-check-in/> element.
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*
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* @author Mark Fisher
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* @since 2.0
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*/
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public class ClaimCheckInParser extends AbstractTransformerParser {
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@Override
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protected String getTransformerClassName() {
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return IntegrationNamespaceUtils.BASE_PACKAGE + ".transformer.ClaimCheckInTransformer";
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}
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@Override
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protected void parseTransformer(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
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String messageStoreRef = element.getAttribute("message-store");
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Assert.hasText(messageStoreRef, "The 'message-store' attribute is required.");
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builder.addConstructorArgReference(messageStoreRef);
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}
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}
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@@ -0,0 +1,45 @@
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.config.xml;
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import org.w3c.dom.Element;
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import org.springframework.beans.factory.support.BeanDefinitionBuilder;
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import org.springframework.beans.factory.xml.ParserContext;
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import org.springframework.util.Assert;
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/**
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* Parser for the <claim-check-out/> element.
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*
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* @author Mark Fisher
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* @since 2.0
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*/
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public class ClaimCheckOutParser extends AbstractTransformerParser {
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@Override
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protected String getTransformerClassName() {
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return IntegrationNamespaceUtils.BASE_PACKAGE + ".transformer.ClaimCheckOutTransformer";
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}
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@Override
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protected void parseTransformer(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
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String messageStoreRef = element.getAttribute("message-store");
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Assert.hasText(messageStoreRef, "The 'message-store' attribute is required.");
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builder.addConstructorArgReference(messageStoreRef);
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}
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}
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2009 the original author or authors.
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -43,6 +43,8 @@ public class IntegrationNamespaceHandler extends AbstractIntegrationNamespaceHan
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registerBeanDefinitionParser("object-to-string-transformer", new ObjectToStringTransformerParser());
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registerBeanDefinitionParser("payload-serializing-transformer", new PayloadSerializingTransformerParser());
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registerBeanDefinitionParser("payload-deserializing-transformer", new PayloadDeserializingTransformerParser());
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registerBeanDefinitionParser("claim-check-in", new ClaimCheckInParser());
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registerBeanDefinitionParser("claim-check-out", new ClaimCheckOutParser());
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registerBeanDefinitionParser("inbound-channel-adapter", new MethodInvokingInboundChannelAdapterParser());
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registerBeanDefinitionParser("outbound-channel-adapter", new MethodInvokingOutboundChannelAdapterParser());
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registerBeanDefinitionParser("logging-channel-adapter", new LoggingChannelAdapterParser());
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@@ -1308,6 +1308,46 @@
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</xsd:complexType>
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</xsd:element>
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<xsd:element name="claim-check-in" type="claimCheckTransformerType">
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<xsd:annotation>
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<xsd:documentation>
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Defines a Transformer that stores a Message and returns a new Message whose
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payload is the id of the stored Message.
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</xsd:documentation>
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</xsd:annotation>
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</xsd:element>
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<xsd:element name="claim-check-out" type="claimCheckTransformerType">
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<xsd:annotation>
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<xsd:documentation>
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Defines a Transformer that accepts a Message whose payload is a UUID and retrieves
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the Message associated with that id from a MessageStore if available (else null).
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</xsd:documentation>
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</xsd:annotation>
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</xsd:element>
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<xsd:complexType name="claimCheckTransformerType">
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<xsd:complexContent>
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<xsd:extension base="inputOutputEndpointType">
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<xsd:sequence minOccurs="0" maxOccurs="1">
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<xsd:element ref="poller"/>
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</xsd:sequence>
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<xsd:attribute name="message-store" use="required">
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<xsd:annotation>
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<xsd:documentation>
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Reference to the MessageStore to be used by this Claim Check transformer.
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</xsd:documentation>
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<xsd:appinfo>
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<tool:annotation kind="ref">
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<tool:expected-type type="org.springframework.integration.store.MessageStore"/>
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</tool:annotation>
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</xsd:appinfo>
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</xsd:annotation>
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</xsd:attribute>
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</xsd:extension>
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</xsd:complexContent>
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</xsd:complexType>
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<xsd:element name="payload-serializing-transformer">
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<xsd:annotation>
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<xsd:documentation>
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@@ -0,0 +1,32 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans:beans xmlns="http://www.springframework.org/schema/integration"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:beans="http://www.springframework.org/schema/beans"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/integration
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http://www.springframework.org/schema/integration/spring-integration.xsd">
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<claim-check-in id="checkin"
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input-channel="checkinChannel"
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message-store="testMessageStore"
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output-channel="checkoutChannel"/>
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<channel id="checkoutChannel">
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<interceptors>
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<wire-tap channel="wiretap"/>
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</interceptors>
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</channel>
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<channel id="wiretap">
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<queue/>
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</channel>
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<claim-check-out id="checkout"
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input-channel="checkoutChannel"
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message-store="testMessageStore"/>
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<beans:bean id="testMessageStore"
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class="org.springframework.integration.store.SimpleMessageStore"/>
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</beans:beans>
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@@ -0,0 +1,95 @@
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.config.xml;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.DirectFieldAccessor;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationContext;
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import org.springframework.integration.channel.PollableChannel;
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import org.springframework.integration.channel.QueueChannel;
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import org.springframework.integration.core.Message;
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import org.springframework.integration.core.MessageChannel;
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import org.springframework.integration.endpoint.EventDrivenConsumer;
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import org.springframework.integration.message.MessageBuilder;
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import org.springframework.integration.store.MessageStore;
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import org.springframework.integration.transformer.ClaimCheckInTransformer;
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import org.springframework.integration.transformer.ClaimCheckOutTransformer;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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/**
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* @author Mark Fisher
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* @since 2.0
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*/
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@ContextConfiguration
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@RunWith(SpringJUnit4ClassRunner.class)
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public class ClaimCheckParserTests {
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@Autowired
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private ApplicationContext context;
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@Autowired
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private MessageChannel checkinChannel;
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@Autowired
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private PollableChannel wiretap;
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@Autowired
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private EventDrivenConsumer checkin;
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@Autowired
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private EventDrivenConsumer checkout;
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@Test
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public void checkMessageStoreReferenceOnCheckIn() {
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ClaimCheckInTransformer transformer = (ClaimCheckInTransformer) new DirectFieldAccessor(
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new DirectFieldAccessor(checkin).getPropertyValue("handler")).getPropertyValue("transformer");
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MessageStore messageStore = (MessageStore)
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new DirectFieldAccessor(transformer).getPropertyValue("messageStore");
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assertEquals(context.getBean("testMessageStore"), messageStore);
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}
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@Test
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public void checkMessageStoreReferenceOnCheckOut() {
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ClaimCheckOutTransformer transformer = (ClaimCheckOutTransformer) new DirectFieldAccessor(
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new DirectFieldAccessor(checkout).getPropertyValue("handler")).getPropertyValue("transformer");
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MessageStore messageStore = (MessageStore)
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new DirectFieldAccessor(transformer).getPropertyValue("messageStore");
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assertEquals(context.getBean("testMessageStore"), messageStore);
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}
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@Test
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public void integrationTest() {
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QueueChannel replyChannel = new QueueChannel();
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Message<?> message = MessageBuilder.withPayload("test").setReplyChannel(replyChannel).build();
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checkinChannel.send(message);
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Message<?> wiretapMessage = wiretap.receive(0);
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assertNotNull(wiretapMessage);
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assertEquals(message.getHeaders().getId(), wiretapMessage.getPayload());
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Message<?> resultMessage = replyChannel.receive(0);
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assertNotNull(resultMessage);
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assertEquals("test", resultMessage.getPayload());
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}
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}
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