Mail transformers may now be used within a 'chain' (INT-498).

This commit is contained in:
Mark Fisher
2008-12-10 17:59:08 +00:00
parent 1af6e18437
commit 1755dfd676
6 changed files with 180 additions and 2 deletions

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@@ -108,8 +108,8 @@
<xsd:complexType name="transformerType">
<xsd:attribute name="id" type="xsd:string"/>
<xsd:attribute name="input-channel" type="xsd:string" use="required"/>
<xsd:attribute name="output-channel" type="xsd:string" use="required"/>
<xsd:attribute name="input-channel" type="xsd:string"/>
<xsd:attribute name="output-channel" type="xsd:string"/>
</xsd:complexType>
</xsd:schema>

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@@ -0,0 +1,28 @@
/*
* 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.mail.config;
/**
* @author Mark Fisher
*/
public class Exclaimer {
public String exclaim(String input) {
return input.toUpperCase() + "!!!";
}
}

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@@ -0,0 +1,84 @@
/*
* 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.mail.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import javax.mail.internet.MimeMessage;
import org.easymock.classextension.EasyMock;
import org.junit.Test;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.channel.BeanFactoryChannelResolver;
import org.springframework.integration.channel.PollableChannel;
import org.springframework.integration.core.Message;
import org.springframework.integration.core.MessageChannel;
import org.springframework.integration.message.GenericMessage;
/**
* @author Mark Fisher
*/
public class MailToStringTransformerParserTests {
@Test
public void topLevelTransformer() throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"mailToStringTransformerParserTests.xml", this.getClass());
MessageChannel input = new BeanFactoryChannelResolver(context).resolveChannelName("input");
PollableChannel output = (PollableChannel) new BeanFactoryChannelResolver(context).resolveChannelName("output");
MimeMessage mimeMessage = EasyMock.createNiceMock(MimeMessage.class);
EasyMock.expect(mimeMessage.getContent()).andReturn("hello");
EasyMock.replay(mimeMessage);
input.send(new GenericMessage<javax.mail.Message>(mimeMessage));
Message<?> result = output.receive(0);
assertNotNull(result);
assertEquals("hello", result.getPayload());
EasyMock.verify(mimeMessage);
}
@Test
public void transformerWithinChain() throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"mailToStringTransformerWithinChain.xml", this.getClass());
MessageChannel input = new BeanFactoryChannelResolver(context).resolveChannelName("input");
PollableChannel output = (PollableChannel) new BeanFactoryChannelResolver(context).resolveChannelName("output");
MimeMessage mimeMessage = EasyMock.createNiceMock(MimeMessage.class);
EasyMock.expect(mimeMessage.getContent()).andReturn("foo");
EasyMock.replay(mimeMessage);
input.send(new GenericMessage<javax.mail.Message>(mimeMessage));
Message<?> result = output.receive(0);
assertNotNull(result);
assertEquals("FOO!!!", result.getPayload());
EasyMock.verify(mimeMessage);
}
@Test(expected = BeanDefinitionStoreException.class)
public void topLevelTransformerMissingInput() {
try {
new ClassPathXmlApplicationContext("mailToStringTransformerWithoutInputChannel.xml", this.getClass());
}
catch (BeanDefinitionStoreException e) {
assertTrue(e.getMessage().contains("input-channel"));
throw e;
}
}
}

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@@ -0,0 +1,21 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/integration/mail"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:integration="http://www.springframework.org/schema/integration"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/integration
http://www.springframework.org/schema/integration/spring-integration-1.0.xsd
http://www.springframework.org/schema/integration/mail
http://www.springframework.org/schema/integration/mail/spring-integration-mail-1.0.xsd">
<integration:channel id="input"/>
<integration:channel id="output">
<integration:queue capacity="1"/>
</integration:channel>
<mail-to-string-transformer input-channel="input" output-channel="output"/>
</beans:beans>

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@@ -0,0 +1,26 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/integration/mail"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:integration="http://www.springframework.org/schema/integration"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/integration
http://www.springframework.org/schema/integration/spring-integration-1.0.xsd
http://www.springframework.org/schema/integration/mail
http://www.springframework.org/schema/integration/mail/spring-integration-mail-1.0.xsd">
<integration:channel id="input"/>
<integration:channel id="output">
<integration:queue capacity="1"/>
</integration:channel>
<integration:chain id="chain" input-channel="input" output-channel="output">
<mail-to-string-transformer/>
<integration:service-activator ref="exclaimer"/>
</integration:chain>
<beans:bean id="exclaimer" class="org.springframework.integration.mail.config.Exclaimer"/>
</beans:beans>

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@@ -0,0 +1,19 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/integration/mail"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:integration="http://www.springframework.org/schema/integration"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/integration
http://www.springframework.org/schema/integration/spring-integration-1.0.xsd
http://www.springframework.org/schema/integration/mail
http://www.springframework.org/schema/integration/mail/spring-integration-mail-1.0.xsd">
<integration:channel id="output">
<integration:queue capacity="1"/>
</integration:channel>
<mail-to-string-transformer output-channel="output"/>
</beans:beans>