com.vmware.transport.bridge.spring.config.interceptors.TransportStompInterceptor Maven / Gradle / Ivy

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Transport is a full stack, simple, fast, expandable application event bus for your applications. It provides a standardized and simple API, implemented in multiple languages, to allow any individual component inside your applications to talk to one another. This is the Java implementation of the Transport library.

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/*
 * Copyright 2018-2020 VMware, Inc.
 * SPDX-License-Identifier: BSD-2-Clause
 *
 */
package com.vmware.transport.bridge.spring.config.interceptors;

import org.springframework.messaging.Message;

/**
 * Interface for interceptors that are able to view and/or modify the
 * {@link Message Messages} before they are sent to Transport channels.
 */
public interface TransportStompInterceptor {

    /**
     * Invoked before the Message is actually sent to the channel.
     * This allows for modification of the Message if necessary.
     * If this method returns {@code null} then the actual
     * send invocation will not occur.
     */
    Message preSend(Message message);
}