diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/config/FilterParser.java b/org.springframework.integration/src/main/java/org/springframework/integration/config/FilterParser.java new file mode 100644 index 0000000000..e8659c2a04 --- /dev/null +++ b/org.springframework.integration/src/main/java/org/springframework/integration/config/FilterParser.java @@ -0,0 +1,40 @@ +/* + * 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.config; + +import org.springframework.integration.endpoint.MessageEndpoint; +import org.springframework.integration.filter.FilterEndpoint; +import org.springframework.integration.filter.MethodInvokingSelector; + +/** + * Parser for the <filter/> element. + * + * @author Mark Fisher + */ +public class FilterParser extends AbstractEndpointParser { + + @Override + protected Class getEndpointClass() { + return FilterEndpoint.class; + } + + @Override + protected Class getMethodInvokingAdapterClass() { + return MethodInvokingSelector.class; + } + +} diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/config/IntegrationNamespaceHandler.java b/org.springframework.integration/src/main/java/org/springframework/integration/config/IntegrationNamespaceHandler.java index 30c46790ae..e3636c3110 100644 --- a/org.springframework.integration/src/main/java/org/springframework/integration/config/IntegrationNamespaceHandler.java +++ b/org.springframework.integration/src/main/java/org/springframework/integration/config/IntegrationNamespaceHandler.java @@ -36,6 +36,7 @@ public class IntegrationNamespaceHandler extends NamespaceHandlerSupport { registerBeanDefinitionParser("publish-subscribe-channel", new PublishSubscribeChannelParser()); registerBeanDefinitionParser("service-activator", new ServiceActivatorParser()); registerBeanDefinitionParser("transformer", new TransformerParser()); + registerBeanDefinitionParser("filter", new FilterParser()); registerBeanDefinitionParser("router", new RouterParser()); registerBeanDefinitionParser("splitter", new SplitterParser()); registerBeanDefinitionParser("aggregator", new AggregatorParser()); diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/config/spring-integration-1.0.xsd b/org.springframework.integration/src/main/java/org/springframework/integration/config/spring-integration-1.0.xsd index f1292d027e..1340f694ae 100644 --- a/org.springframework.integration/src/main/java/org/springframework/integration/config/spring-integration-1.0.xsd +++ b/org.springframework.integration/src/main/java/org/springframework/integration/config/spring-integration-1.0.xsd @@ -319,6 +319,14 @@ + + + + Defines a Filter. + + + + diff --git a/org.springframework.integration/src/test/java/org/springframework/integration/filter/FilterContextTests.java b/org.springframework.integration/src/test/java/org/springframework/integration/filter/FilterContextTests.java new file mode 100644 index 0000000000..bb45e4f38d --- /dev/null +++ b/org.springframework.integration/src/test/java/org/springframework/integration/filter/FilterContextTests.java @@ -0,0 +1,58 @@ +/* + * 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.filter; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNull; + +import org.junit.Test; + +import org.springframework.context.ApplicationContext; +import org.springframework.context.support.ClassPathXmlApplicationContext; +import org.springframework.integration.channel.MessageChannel; +import org.springframework.integration.channel.PollableChannel; +import org.springframework.integration.message.Message; +import org.springframework.integration.message.StringMessage; + +/** + * @author Mark Fisher + */ +public class FilterContextTests { + + @Test + public void methodInvokingFilterRejects() { + ApplicationContext context = new ClassPathXmlApplicationContext( + "filterContextTests.xml", this.getClass()); + MessageChannel input = (MessageChannel) context.getBean("input"); + PollableChannel output = (PollableChannel) context.getBean("output"); + input.send(new StringMessage("foo")); + Message reply = output.receive(0); + assertNull(reply); + } + + @Test + public void methodInvokingFilterAccepts() { + ApplicationContext context = new ClassPathXmlApplicationContext( + "filterContextTests.xml", this.getClass()); + MessageChannel input = (MessageChannel) context.getBean("input"); + PollableChannel output = (PollableChannel) context.getBean("output"); + input.send(new StringMessage("foobar")); + Message reply = output.receive(0); + assertEquals("foobar", reply.getPayload()); + } + +} diff --git a/org.springframework.integration/src/test/java/org/springframework/integration/filter/TestBean.java b/org.springframework.integration/src/test/java/org/springframework/integration/filter/TestBean.java new file mode 100644 index 0000000000..177b2d7ece --- /dev/null +++ b/org.springframework.integration/src/test/java/org/springframework/integration/filter/TestBean.java @@ -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.filter; + +/** + * @author Mark Fisher + */ +public class TestBean { + + public boolean acceptStringWithMoreThanThreeChars(String s) { + return s.length() > 3; + } + +} diff --git a/org.springframework.integration/src/test/java/org/springframework/integration/filter/filterContextTests.xml b/org.springframework.integration/src/test/java/org/springframework/integration/filter/filterContextTests.xml new file mode 100644 index 0000000000..a6b82bde53 --- /dev/null +++ b/org.springframework.integration/src/test/java/org/springframework/integration/filter/filterContextTests.xml @@ -0,0 +1,25 @@ + + + + + + + + + + + + + + + +