org.hawkular.bus.common.test.TCPEmbeddedBrokerWrapper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of hawkular-bus-test-common Show documentation

Hawkular Bus Framework Common Test Library for use with testing consumers and producers

The newest version!

/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.hawkular.bus.common.test;

import java.net.ServerSocket;

import org.hawkular.bus.broker.EmbeddedBroker;

/**
 * Used to start a simple test broker that accepts messages from remote TCP
 * clients.
 */
public class TCPEmbeddedBrokerWrapper extends AbstractEmbeddedBrokerWrapper {

    private final int bindPort;

    public TCPEmbeddedBrokerWrapper() throws Exception {
        bindPort = findFreePort();
        setBroker(new EmbeddedBroker(new String[] { "--config=" + getConfigurationFile(),
                "-Dtcp-testbroker.bind.port=" + bindPort }));
    }

    @Override
    public String getBrokerURL() {
        return "tcp://localhost:" + bindPort;
    }

    protected int findFreePort() throws Exception {
        ServerSocket ss = null;
        try {
            ss = new ServerSocket(0);
            return ss.getLocalPort();
        } finally {
            if (ss != null) {
                ss.close();
            }
        }
    }

    protected String getConfigurationFile() {
        return "simple-activemq.xml";
    }
}