com.github.fridujo.rabbitmq.mock.exchange.MockTopicExchange Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of rabbitmq-mock Show documentation

Mock for RabbitMQ Java amqp-client

There is a newer version: 1.2.0

package com.github.fridujo.rabbitmq.mock.exchange;

import java.util.Map;

import com.github.fridujo.rabbitmq.mock.AmqArguments;
import com.github.fridujo.rabbitmq.mock.ReceiverRegistry;

public class MockTopicExchange extends MultipleReceiverExchange {

    public static final String TYPE = "topic";

    public MockTopicExchange(String name, AmqArguments arguments, ReceiverRegistry receiverRegistry) {
        super(name, TYPE, arguments, receiverRegistry);
    }

    /**
     * 
     * https://www.rabbitmq.com/tutorials/tutorial-five-python.html
     *
     * sharp / hash character substitutes to zero or more words
     * An easy thought representation of routing keys is a list of words, words being separated by dots,
     * and topic exchange binding keys an description of this kind of list.
     * Considering the key some.#.key.*, all these keys can match:
     * 
     *     some.key.redeyes where # matches for no words and * for 1 word (redeyes)
     *     some.pink.key.blueeyes where # matches for 1 words (pink) and * for 1 word (blueeyes)
     *     some.pink.rabbit.key.random where # matches for 2 words (pink, rabbit) and * for 1 word (random)
     * 
     */
    protected boolean match(BindConfiguration bindConfiguration, String routingKey, Map headers) {
        String bindingRegex = bindConfiguration.bindingKey
            .replace("*", "([^\\.]+)")
            .replace(".#", "(\\.(.*))?")
            .replace("#", "(.+)");
        return routingKey.matches(bindingRegex);
    }
}