MessageMapper now defines toMessage() and fromMessage() methods, and the MessageCreator has been removed.
This commit is contained in:
@@ -159,7 +159,6 @@
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<xsd:attribute name="request-timeout" type="xsd:long"/>
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<xsd:attribute name="reply-timeout" type="xsd:long"/>
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<xsd:attribute name="message-mapper" type="xsd:string"/>
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<xsd:attribute name="message-creator" type="xsd:string"/>
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</xsd:complexType>
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</xsd:element>
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@@ -14,23 +14,35 @@
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* limitations under the License.
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*/
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package org.springframework.integration.message;
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package org.springframework.integration.gateway;
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import org.springframework.integration.message.Message;
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import org.springframework.integration.message.MessageBuilder;
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/**
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* A simple implementation of {@link MessageCreator} that uses the provide value
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* as the {@link Message Message's} payload.
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* A default implementation of both the {@link MessageMapper} and
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* {@link OutboundMessageMapper} strategy interfaces.
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*
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* @author Mark Fisher
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*/
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public class DefaultMessageCreator<T> implements MessageCreator<T,T> {
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public class DefaultMessageMapper<T> implements MessageMapper<T> {
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@SuppressWarnings("unchecked")
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public Message<T> createMessage(T object) {
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//prevent nesting messages
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if (object instanceof Message) {
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return (Message<T>) object;
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public T fromMessage(Message<?> message) {
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if (message == null || message.getPayload() == null) {
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return null;
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}
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return (object != null) ? new GenericMessage<T>(object) : null;
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return (T) message.getPayload();
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}
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public Message<?> toMessage(T object) {
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if (object == null) {
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return null;
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}
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if (object instanceof Message) {
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return (Message<?>) object;
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}
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return MessageBuilder.withPayload(object).build();
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}
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}
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@@ -14,18 +14,19 @@
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* limitations under the License.
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*/
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package org.springframework.integration.message;
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package org.springframework.integration.gateway;
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import org.springframework.integration.message.Message;
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/**
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* Strategy interface for mapping from a {@link Message} to an Object.
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* Strategy interface for mapping between an Object and a {@link Message}.
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*
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* @author Mark Fisher
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*/
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public interface MessageMapper<P, O> {
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public interface MessageMapper<T> {
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/**
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* Map from the given {@link Message} to an Object.
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*/
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O mapMessage(Message<P> message);
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Message<?> toMessage(T object);
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T fromMessage(Message<?> message);
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}
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@@ -1,63 +0,0 @@
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/*
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* Copyright 2002-2008 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.gateway;
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import org.springframework.integration.channel.MessageChannel;
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import org.springframework.integration.channel.MessageChannelTemplate;
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/**
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* A convenient base class providing access to a {@link MessageChannelTemplate} and exposing setter methods for
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* configuring request and reply {@link MessageChannel MessageChannels}. May be used as a base class for framework
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* components so that the details of messaging are well-encapsulated and hidden from application code. For example,
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* see {@link SimpleMessagingGateway}.
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*
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* @author Mark Fisher
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*/
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public abstract class MessagingGatewaySupport {
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private final MessageChannelTemplate channelTemplate = new MessageChannelTemplate();
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/**
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* Set the timeout value for sending request messages. If not
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* explicitly configured, the default is an indefinite timeout.
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*
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* @param requestTimeout the timeout value in milliseconds
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*/
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public void setRequestTimeout(long requestTimeout) {
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this.channelTemplate.setSendTimeout(requestTimeout);
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}
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/**
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* Set the timeout value for receiving reply messages. If not
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* explicitly configured, the default is an indefinite timeout.
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*
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* @param replyTimeout the timeout value in milliseconds
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*/
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public void setReplyTimeout(long replyTimeout) {
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this.channelTemplate.setReceiveTimeout(replyTimeout);
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}
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/**
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* Retrieve the {@link MessageChannelTemplate} for performing
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* send and receive operations across channels.
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*/
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protected final MessageChannelTemplate getChannelTemplate() {
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return this.channelTemplate;
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}
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}
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@@ -21,34 +21,37 @@ import org.springframework.integration.ConfigurationException;
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import org.springframework.integration.bus.MessageBus;
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import org.springframework.integration.bus.MessageBusAware;
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import org.springframework.integration.channel.MessageChannel;
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import org.springframework.integration.channel.MessageChannelTemplate;
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import org.springframework.integration.channel.PollableChannel;
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import org.springframework.integration.endpoint.MessagingGateway;
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import org.springframework.integration.message.DefaultMessageCreator;
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import org.springframework.integration.message.DefaultMessageMapper;
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import org.springframework.integration.message.Message;
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import org.springframework.integration.message.MessageCreator;
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import org.springframework.integration.message.MessageDeliveryException;
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import org.springframework.integration.message.MessageMapper;
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import org.springframework.util.Assert;
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/**
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* A general purpose class that supports a variety of message exchanges. Useful for connecting application code to
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* {@link MessageChannel MessageChannels} for sending, receiving, or request-reply operations. The sending methods
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* accept any Object as the parameter value (i.e. it is not required to be a Message). A custom {@link MessageCreator}
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* may be provided for creating Messages from the Objects. Likewise return values may be any Object and a custom
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* implementation of the {@link MessageMapper} strategy may be provided for mapping a reply Message to an Object.
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* A convenient base class for connecting application code to
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* {@link MessageChannel}s for sending, receiving, or request-reply operations.
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* Exposes setters for configuring request and reply {@link MessageChannel}s as
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* well as the timeout values for sending and receiving Messages.
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*
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* <p>By default, each request Message will be created with the method
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* parameter as its payload, and each reply Message's payload will be the
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* return value. To provide custom behavior for object-to-request and/or
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* reply-to-object conversion, implement and set a 'messageMapper'.
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*
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* @see MessageMapper
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*
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* @author Mark Fisher
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*/
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public class SimpleMessagingGateway extends MessagingGatewaySupport implements MessagingGateway, MessageBusAware, InitializingBean {
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public class SimpleMessagingGateway implements MessagingGateway, MessageBusAware, InitializingBean {
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private volatile MessageChannel requestChannel;
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private volatile MessageChannel replyChannel;
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private volatile MessageCreator messageCreator = new DefaultMessageCreator();
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private volatile MessageMapper messageMapper = new DefaultMessageMapper<Object>();
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private volatile MessageMapper messageMapper = new DefaultMessageMapper();
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private final MessageChannelTemplate channelTemplate = new MessageChannelTemplate();
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private volatile ReplyMessageCorrelator replyMessageCorrelator;
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@@ -85,12 +88,27 @@ public class SimpleMessagingGateway extends MessagingGatewaySupport implements M
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this.replyChannel = replyChannel;
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}
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public void setMessageCreator(MessageCreator<?, ?> messageCreator) {
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Assert.notNull(messageCreator, "messageCreator must not be null");
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this.messageCreator = messageCreator;
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/**
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* Set the timeout value for sending request messages. If not
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* explicitly configured, the default is an indefinite timeout.
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*
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* @param requestTimeout the timeout value in milliseconds
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*/
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public void setRequestTimeout(long requestTimeout) {
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this.channelTemplate.setSendTimeout(requestTimeout);
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}
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public void setMessageMapper(MessageMapper<?, ?> messageMapper) {
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/**
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* Set the timeout value for receiving reply messages. If not
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* explicitly configured, the default is an indefinite timeout.
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*
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* @param replyTimeout the timeout value in milliseconds
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*/
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public void setReplyTimeout(long replyTimeout) {
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this.channelTemplate.setReceiveTimeout(replyTimeout);
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}
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public void setMessageMapper(MessageMapper<?> messageMapper) {
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Assert.notNull(messageMapper, "messageMapper must not be null");
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this.messageMapper = messageMapper;
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}
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@@ -108,12 +126,10 @@ public class SimpleMessagingGateway extends MessagingGatewaySupport implements M
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throw new IllegalStateException(
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"send is not supported, because no request channel has been configured");
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}
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Message<?> message = (object instanceof Message) ? (Message) object :
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this.messageCreator.createMessage(object);
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if (message != null) {
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if (!this.getChannelTemplate().send(message, this.requestChannel)) {
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throw new MessageDeliveryException(message, "failed to send Message to channel");
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}
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Message<?> message = this.messageMapper.toMessage(object);
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Assert.notNull(message, "message must not be null");
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if (!this.channelTemplate.send(message, this.requestChannel)) {
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throw new MessageDeliveryException(message, "failed to send Message to channel");
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}
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}
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@@ -122,8 +138,8 @@ public class SimpleMessagingGateway extends MessagingGatewaySupport implements M
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throw new IllegalStateException(
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"no-arg receive is not supported, because no pollable reply channel has been configured");
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}
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Message<?> message = this.getChannelTemplate().receive((PollableChannel) this.replyChannel);
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return (message != null) ? this.messageMapper.mapMessage(message) : null;
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Message<?> message = this.channelTemplate.receive((PollableChannel) this.replyChannel);
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return this.messageMapper.fromMessage(message);
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}
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public Object sendAndReceive(Object object) {
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@@ -135,19 +151,16 @@ public class SimpleMessagingGateway extends MessagingGatewaySupport implements M
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}
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private Object sendAndReceive(Object object, boolean shouldMapMessage) {
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Message<?> request = (object instanceof Message) ? (Message) object :
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this.messageCreator.createMessage(object);
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if (request == null) {
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return null;
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}
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Message<?> request = this.messageMapper.toMessage(object);
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Message<?> reply = this.sendAndReceiveMessage(request);
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if (!shouldMapMessage) {
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return reply;
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}
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return (reply != null) ? this.messageMapper.mapMessage(reply) : null;
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return this.messageMapper.fromMessage(reply);
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}
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private Message<?> sendAndReceiveMessage(Message<?> message) {
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Assert.notNull(message, "request message must not be null");
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if (this.requestChannel == null) {
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throw new MessageDeliveryException(message,
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"No request channel available. Cannot send request message.");
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@@ -155,7 +168,7 @@ public class SimpleMessagingGateway extends MessagingGatewaySupport implements M
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if (this.replyChannel != null && this.replyMessageCorrelator == null) {
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this.registerReplyMessageCorrelator();
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}
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return this.getChannelTemplate().sendAndReceive(message, this.requestChannel);
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return this.channelTemplate.sendAndReceive(message, this.requestChannel);
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}
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private void registerReplyMessageCorrelator() {
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@@ -20,10 +20,9 @@ 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.AbstractSimpleBeanDefinitionParser;
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import org.springframework.core.Conventions;
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import org.springframework.integration.config.IntegrationNamespaceUtils;
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import org.springframework.integration.gateway.GatewayProxyFactoryBean;
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import org.springframework.util.ObjectUtils;
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import org.springframework.util.StringUtils;
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/**
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* Parser for the <gateway/> element.
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@@ -33,7 +32,7 @@ import org.springframework.util.StringUtils;
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public class GatewayParser extends AbstractSimpleBeanDefinitionParser {
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private static String[] referenceAttributes = new String[] {
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"request-channel", "reply-channel", "message-mapper", "message-creator"
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"request-channel", "reply-channel", "message-mapper"
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};
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@@ -49,13 +48,9 @@ public class GatewayParser extends AbstractSimpleBeanDefinitionParser {
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}
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@Override
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protected void postProcess(BeanDefinitionBuilder beanDefinition, Element element) {
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protected void postProcess(BeanDefinitionBuilder builder, Element element) {
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for (String attributeName : referenceAttributes) {
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String beanName = element.getAttribute(attributeName);
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if (StringUtils.hasText(beanName)) {
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beanDefinition.addPropertyReference(
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Conventions.attributeNameToPropertyName(attributeName), beanName);
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}
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IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, attributeName);
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}
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}
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@@ -1,31 +0,0 @@
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/*
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* Copyright 2002-2008 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
|
||||
* 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.
|
||||
* 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.message;
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/**
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* A simple implementation of {@link MessageMapper} that returns the
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* {@link Message Message's} payload.
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*
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* @author Mark Fisher
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*/
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public class DefaultMessageMapper<T> implements MessageMapper<T,T> {
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public T mapMessage(Message<T> message) {
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return (message != null) ? message.getPayload() : null;
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}
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}
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@@ -1,28 +0,0 @@
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/*
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* Copyright 2002-2008 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.
|
||||
* 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.message;
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/**
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* Strategy interface for creating a {@link Message} from an Object.
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*
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* @author Mark Fisher
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*/
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public interface MessageCreator<O, P> {
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Message<P> createMessage(O object);
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}
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@@ -83,8 +83,12 @@ public class MethodInvokingSource implements PollableSource<Object>, Initializin
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if (result == null) {
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return null;
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}
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if (result instanceof Message) {
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return (Message) result;
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}
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return new GenericMessage<Object>(result);
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} catch (InvocationTargetException e) {
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}
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catch (InvocationTargetException e) {
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throw new MessagingException(
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"Source method '" + this.methodName + "' threw an Exception.", e.getTargetException());
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}
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@@ -24,6 +24,7 @@ import static org.easymock.EasyMock.replay;
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import static org.easymock.EasyMock.reset;
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import static org.easymock.EasyMock.verify;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNull;
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import org.easymock.IAnswer;
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import org.junit.Before;
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@@ -36,7 +37,6 @@ import org.springframework.integration.channel.PollableChannel;
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import org.springframework.integration.message.Message;
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import org.springframework.integration.message.MessageDeliveryException;
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import org.springframework.integration.message.MessageHeaders;
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import org.springframework.integration.message.MessageMapper;
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|
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/**
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* @author Iwein Fuld
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@@ -52,19 +52,15 @@ public class SimpleMessagingGatewayTests {
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private Message messageMock = createMock(Message.class);
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private MessageMapper messageMapperMock = createMock(MessageMapper.class);
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private MessageBus messageBusMock = createMock(MessageBus.class);
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private Object[] allmocks = new Object[] {
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requestChannel, replyChannel, messageMock, messageMapperMock };
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private Object[] allmocks = new Object[] { requestChannel, replyChannel, messageMock };
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@Before
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public void initializeSample() {
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this.simpleMessagingGateway = new SimpleMessagingGateway(requestChannel);
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this.simpleMessagingGateway.setReplyChannel(replyChannel);
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this.simpleMessagingGateway.setMessageMapper(messageMapperMock);
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this.simpleMessagingGateway.setMessageBus(messageBusMock);
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reset(allmocks);
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}
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@@ -114,11 +110,15 @@ public class SimpleMessagingGatewayTests {
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verify(allmocks);
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}
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@Test
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@Test(expected = IllegalArgumentException.class)
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public void sendMessage_null() {
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replay(allmocks);
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this.simpleMessagingGateway.send(null);
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verify(allmocks);
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try {
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this.simpleMessagingGateway.send(null);
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}
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finally {
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verify(allmocks);
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}
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}
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||||
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||||
/* receive tests */
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@@ -126,9 +126,9 @@ public class SimpleMessagingGatewayTests {
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@Test
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public void receiveMessage() {
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expect(replyChannel.receive()).andReturn(messageMock);
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expect(messageMapperMock.mapMessage(messageMock)).andReturn(messageMock);
|
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expect(messageMock.getPayload()).andReturn("test").anyTimes();
|
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replay(allmocks);
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assertEquals(this.simpleMessagingGateway.receive(), messageMock);
|
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assertEquals("test", this.simpleMessagingGateway.receive());
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verify(allmocks);
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||||
}
|
||||
|
||||
@@ -136,7 +136,7 @@ public class SimpleMessagingGatewayTests {
|
||||
public void receiveMessage_null() {
|
||||
expect(replyChannel.receive()).andReturn(null);
|
||||
replay(allmocks);
|
||||
assertEquals(this.simpleMessagingGateway.receive(), null);
|
||||
assertNull(this.simpleMessagingGateway.receive());
|
||||
verify(allmocks);
|
||||
}
|
||||
|
||||
@@ -172,12 +172,16 @@ public class SimpleMessagingGatewayTests {
|
||||
verify(messageHeadersMock);
|
||||
}
|
||||
|
||||
@Test
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void sendNullAndReceiveObject() {
|
||||
expect(replyChannel.getName()).andReturn("replyChannel").anyTimes();
|
||||
replay(allmocks);
|
||||
this.simpleMessagingGateway.sendAndReceive(null);
|
||||
verify(allmocks);
|
||||
try {
|
||||
this.simpleMessagingGateway.sendAndReceive(null);
|
||||
}
|
||||
finally {
|
||||
verify(allmocks);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@@ -207,12 +211,16 @@ public class SimpleMessagingGatewayTests {
|
||||
verify(allmocks);
|
||||
}
|
||||
|
||||
@Test
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void sendNullAndReceiveMessage() {
|
||||
expect(replyChannel.getName()).andReturn("replyChannel").anyTimes();
|
||||
replay(allmocks);
|
||||
this.simpleMessagingGateway.sendAndReceiveMessage(null);
|
||||
verify(allmocks);
|
||||
try {
|
||||
this.simpleMessagingGateway.sendAndReceiveMessage(null);
|
||||
}
|
||||
finally {
|
||||
verify(allmocks);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -75,18 +75,7 @@ public class GatewayParserTests {
|
||||
this.startResponder(requestChannel, replyChannel);
|
||||
TestService service = (TestService) context.getBean("requestReplyWithMessageMapper");
|
||||
String result = service.requestReply("foo");
|
||||
assertEquals("foo.mapped", result);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRequestReplyWithMessageCreator() {
|
||||
ApplicationContext context = new ClassPathXmlApplicationContext("gatewayParserTests.xml", this.getClass());
|
||||
PollableChannel requestChannel = (PollableChannel) context.getBean("requestChannel");
|
||||
MessageChannel replyChannel = (MessageChannel) context.getBean("replyChannel");
|
||||
this.startResponder(requestChannel, replyChannel);
|
||||
TestService service = (TestService) context.getBean("requestReplyWithMessageCreator");
|
||||
String result = service.requestReply("foo");
|
||||
assertEquals("created.foo", result);
|
||||
assertEquals("pre.foo.post", result);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -1,32 +0,0 @@
|
||||
/*
|
||||
* Copyright 2002-2008 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.config;
|
||||
|
||||
import org.springframework.integration.message.Message;
|
||||
import org.springframework.integration.message.MessageCreator;
|
||||
import org.springframework.integration.message.StringMessage;
|
||||
|
||||
/**
|
||||
* @author Mark Fisher
|
||||
*/
|
||||
public class TestMessageCreator implements MessageCreator<String, String> {
|
||||
|
||||
public Message<String> createMessage(String s) {
|
||||
return new StringMessage("created." + s);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -16,16 +16,21 @@
|
||||
|
||||
package org.springframework.integration.gateway.config;
|
||||
|
||||
import org.springframework.integration.gateway.MessageMapper;
|
||||
import org.springframework.integration.message.Message;
|
||||
import org.springframework.integration.message.MessageMapper;
|
||||
import org.springframework.integration.message.StringMessage;
|
||||
|
||||
/**
|
||||
* @author Mark Fisher
|
||||
*/
|
||||
public class TestMessageMapper implements MessageMapper<String, String> {
|
||||
public class TestMessageMapper implements MessageMapper<String> {
|
||||
|
||||
public String mapMessage(Message<String> message) {
|
||||
return message.getPayload() + ".mapped";
|
||||
public Message<?> toMessage(String object) {
|
||||
return new StringMessage("pre." + object);
|
||||
}
|
||||
|
||||
public String fromMessage(Message<?> message) {
|
||||
return message.getPayload().toString() + ".post";
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -37,14 +37,6 @@
|
||||
reply-channel="replyChannel"
|
||||
message-mapper="mapper"/>
|
||||
|
||||
<gateway id="requestReplyWithMessageCreator"
|
||||
service-interface="org.springframework.integration.gateway.TestService"
|
||||
request-channel="requestChannel"
|
||||
reply-channel="replyChannel"
|
||||
message-creator="creator"/>
|
||||
|
||||
<beans:bean id="mapper" class="org.springframework.integration.gateway.config.TestMessageMapper"/>
|
||||
|
||||
<beans:bean id="creator" class="org.springframework.integration.gateway.config.TestMessageCreator"/>
|
||||
|
||||
</beans:beans>
|
||||
|
||||
@@ -1,59 +0,0 @@
|
||||
/*
|
||||
* Copyright 2002-2008 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.message;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNull;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* @author Mark Fisher
|
||||
*/
|
||||
public class DefaultMessageCreatorTests {
|
||||
|
||||
@Test
|
||||
public void testStringPayload() {
|
||||
DefaultMessageCreator creator = new DefaultMessageCreator();
|
||||
Message<?> message = creator.createMessage("testing");
|
||||
assertEquals("testing", message.getPayload());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testObjectPayload() {
|
||||
DefaultMessageCreator creator = new DefaultMessageCreator();
|
||||
Object test = new Object();
|
||||
Message<?> message = creator.createMessage(test);
|
||||
assertEquals(test, message.getPayload());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testMessage() {
|
||||
DefaultMessageCreator creator = new DefaultMessageCreator();
|
||||
Message<?> inputMessage = new GenericMessage<String>("testing");
|
||||
Message<?> message = creator.createMessage(inputMessage);
|
||||
assertEquals(inputMessage, message);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNull() {
|
||||
DefaultMessageCreator creator = new DefaultMessageCreator();
|
||||
Message<?> message = creator.createMessage(null);
|
||||
assertNull(message);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,50 +0,0 @@
|
||||
/*
|
||||
* Copyright 2002-2008 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.message;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* @author Mark Fisher
|
||||
*/
|
||||
public class DefaultMessageMapperTests {
|
||||
|
||||
@Test
|
||||
public void testStringPayload() {
|
||||
DefaultMessageMapper mapper = new DefaultMessageMapper();
|
||||
String result = (String) mapper.mapMessage(new StringMessage("testing"));
|
||||
assertEquals("testing", result);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testObjectPayload() {
|
||||
DefaultMessageMapper mapper = new DefaultMessageMapper();
|
||||
Object test = new Object();
|
||||
Object result = mapper.mapMessage(new GenericMessage<Object>(test));
|
||||
assertEquals(test, result);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNullMessage() {
|
||||
DefaultMessageMapper mapper = new DefaultMessageMapper();
|
||||
Object result = mapper.mapMessage(null);
|
||||
assertEquals(null, result);
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user