org.springframework.messaging.StubMessageChannel.java Source code

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Here is the source code for org.springframework.messaging.StubMessageChannel.java

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/*
 * Copyright 2002-2013 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;

import java.util.ArrayList;
import java.util.List;

/**
 * A stub MessageChannel that saves all sent messages.
 *
 * @author Rossen Stoyanchev
 */
public class StubMessageChannel implements SubscribableChannel {

    private final List<Message<byte[]>> messages = new ArrayList<>();

    private final List<MessageHandler> handlers = new ArrayList<>();

    public List<Message<byte[]>> getMessages() {
        return this.messages;
    }

    @Override
    @SuppressWarnings("unchecked")
    public boolean send(Message<?> message) {
        this.messages.add((Message<byte[]>) message);
        return true;
    }

    @Override
    @SuppressWarnings("unchecked")
    public boolean send(Message<?> message, long timeout) {
        this.messages.add((Message<byte[]>) message);
        return true;
    }

    @Override
    public boolean subscribe(MessageHandler handler) {
        this.handlers.add(handler);
        return true;
    }

    @Override
    public boolean unsubscribe(MessageHandler handler) {
        this.handlers.remove(handler);
        return true;
    }
}