de.adorsys.jmspojo.JMSAbstractMessageListener.java Source code

Introduction

Here is the source code for de.adorsys.jmspojo.JMSAbstractMessageListener.java

Source

/**
 * Copyright (C) 2016 Sandro Sonntag (sso@adorsys.de)
 *
 * 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 de.adorsys.jmspojo;

import javax.annotation.PostConstruct;
import javax.jms.ConnectionFactory;
import javax.jms.Message;
import javax.jms.MessageListener;

import com.fasterxml.jackson.databind.ObjectMapper;

public abstract class JMSAbstractMessageListener<T> implements MessageListener {

    private static final JMSJacksonMapper OBJECT_MAPPER = new JMSJacksonMapper(new ObjectMapper());
    private JMSMessageListenerServiceAdapter<T> adapter;

    public JMSAbstractMessageListener() {
    }

    @PostConstruct
    protected void init() {
        adapter = JMSMessageListenerServiceAdapter.createAdapter(getService(), getConnectionFactory(),
                getObjectMapper());
    }

    protected abstract T getService();

    protected abstract ConnectionFactory getConnectionFactory();

    protected JMSObjectMapper getObjectMapper() {
        return OBJECT_MAPPER;
    }

    @Override
    public void onMessage(Message message) {
        assert adapter != null : "init must be called before onMessage";
        adapter.onMessage(message);
    }

}