org.vertx.mods.examples.beans.AbstractEcho.java Source code

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Here is the source code for org.vertx.mods.examples.beans.AbstractEcho.java

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/*
 * Copyright 2012 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
 *
 *      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.vertx.mods.examples.beans;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.util.Assert;
import org.vertx.java.core.Handler;
import org.vertx.java.core.Vertx;
import org.vertx.java.core.eventbus.Message;

/**
 * @author swilliams
 *
 */
public abstract class AbstractEcho implements DisposableBean {

    private String handlerId;

    private Vertx vertx;

    protected void register(String address) throws Exception {
        Assert.notNull(vertx, "Vertx must not be null");

        this.handlerId = vertx.eventBus().registerHandler(address, new Handler<Message<String>>() {

            @Override
            public void handle(Message<String> event) {
                event.reply(event.body);
            }
        });
    }

    public void setVertx(Vertx vertx) {
        Assert.notNull(vertx, "Vertx must not be null");
        this.vertx = vertx;
    }

    @Override
    public void destroy() throws Exception {
        vertx.eventBus().unregisterHandler(handlerId);
    }

}