From 2290442e27dfbbf7ad99e2c8a408967d4e3bda79 Mon Sep 17 00:00:00 2001 From: Mark Fisher Date: Sat, 15 Dec 2007 18:18:18 +0000 Subject: [PATCH] Added MessageFilter --- .../transformer/MessageFilter.java | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 spring-eai-core/src/main/java/org/springframework/integration/transformer/MessageFilter.java diff --git a/spring-eai-core/src/main/java/org/springframework/integration/transformer/MessageFilter.java b/spring-eai-core/src/main/java/org/springframework/integration/transformer/MessageFilter.java new file mode 100644 index 0000000000..3247493fe7 --- /dev/null +++ b/spring-eai-core/src/main/java/org/springframework/integration/transformer/MessageFilter.java @@ -0,0 +1,45 @@ +/* + * Copyright 2002-2007 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.transformer; + +import org.springframework.integration.handler.MessageHandler; +import org.springframework.integration.message.Message; +import org.springframework.integration.message.MessageSelector; + +/** + * Handler for deciding whether to pass a message. Implements + * {@link MessageHandler} and simply delegates to a {@link MessageSelector}. + * + * @author Mark Fisher + */ +public class MessageFilter implements MessageHandler { + + private MessageSelector selector; + + + public MessageFilter(MessageSelector selector) { + this.selector = selector; + } + + public Message handle(Message message) { + if (this.selector.accept(message)) { + return message; + } + return null; + } + +}