org.springframework.messaging.support.InterceptableChannel.java Source code

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Here is the source code for org.springframework.messaging.support.InterceptableChannel.java

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/*
 * Copyright 2002-2014 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
 *
 *      https://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.messaging.support;

import java.util.List;

/**
 * A {@link org.springframework.messaging.MessageChannel MessageChannel} that
 * maintains a list {@link org.springframework.messaging.support.ChannelInterceptor
 * ChannelInterceptors} and allows interception of message sending.
 *
 * @author Rossen Stoyanchev
 * @since 4.1
 */
public interface InterceptableChannel {

    /**
     * Set the list of channel interceptors clearing any existing interceptors.
     */
    void setInterceptors(List<ChannelInterceptor> interceptors);

    /**
     * Add a channel interceptor to the end of the list.
     */
    void addInterceptor(ChannelInterceptor interceptor);

    /**
     * Add a channel interceptor at the specified index.
     */
    void addInterceptor(int index, ChannelInterceptor interceptor);

    /**
     * Return the list of configured interceptors.
     */
    List<ChannelInterceptor> getInterceptors();

    /**
     * Remove the given interceptor.
     */
    boolean removeInterceptor(ChannelInterceptor interceptor);

    /**
     * Remove the interceptor at the given index.
     */
    ChannelInterceptor removeInterceptor(int index);

}