/*
* Copyright 2014 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 java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* {@link org.springframework.messaging.support.ChannelInterceptor} components with this
* annotation will be applied as global channel interceptors
* using the provided {@code patterns} to match channel names.
* <p>
* This annotation can be used at the {@code class} level for {@link org.springframework.stereotype.Component} beans
* and on methods with {@link org.springframework.context.annotation.Bean}.
* <p>
* This annotation is an analogue of {@code <int:channel-interceptor/>}.
*
* @author Artem Bilan
* @since 4.0
*/
@Target({ ElementType.TYPE, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface GlobalChannelInterceptor {
/**
* An array of simple patterns against which channel names will be matched. Default is "*"
* (all channels). See {@link org.springframework.util.PatternMatchUtils#simpleMatch(String, String)}.
* @return The pattern.
*/
String[] patterns() default "*";
/**
* The order of the interceptor. Interceptors with negative order values will be placed before any
* explicit interceptors on the channel; interceptors with positive order values will be
* placed after explicit interceptors.
* @return The order.
*/
int order() default 0;
}