/*
 * This file is part of the Yildiz-Engine project, licenced under the MIT License  (MIT)
 *
 *  Copyright (c) 2018 Grégory Van den Borre
 *
 *  More infos available: https://www.yildiz-games.be
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 *  documentation files (the "Software"), to deal in the Software without restriction, including without
 *  limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 *  of the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all copies or substantial
 *  portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 *  OR COPYRIGHT  HOLDERS BE LIABLE FOR ANY CLAIM,
 *  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  SOFTWARE.
 *
 */

package be.yildizgames.module.network;

import be.yildizgames.common.logging.LogFactory;
import be.yildizgames.module.network.protocol.MessageSeparation;
import be.yildizgames.module.network.protocol.MessageWrapper;
import be.yildizgames.module.network.server.Session;
import org.slf4j.Logger;

/**
 * The handler controls the way the network will react to incoming message in its concrete implementation, the abstract part will manage the message construction.
 *
 * @author Grégory Van den Borre
 */
public abstract class AbstractHandler {

    private static final Logger LOGGER = LogFactory.getInstance().getLogger(AbstractHandler.class);

    public AbstractHandler() {
        super();
    }

    /**
     * Process the messages by splitting in unique messages, and for each of them, calling the appropriate logic.
     *
     * @param session Session having received the message.
     * @param message Message received.
     */
    //@Requires("session != null")
    //@Requires("message != null")
    public void processMessages(final Session session, final String message) {
        LOGGER.debug("Unprocessed network message: {}", message);
        String messageWithoutStartChar = message.replaceAll(MessageSeparation.MESSAGE_BEGIN, "");
        String[] messages = messageWithoutStartChar.split(MessageSeparation.MESSAGE_END);
        for (String c : messages) {
            this.messageReceivedImpl(session, new MessageWrapper(c));
        }
    }

    /**
     * Call the implementation logic to handle this message.
     *
     * @param session Session having received the message.
     * @param message Message received.
     */
    //@Requires("session != null")
    //@Requires("message != null")
    protected abstract void messageReceivedImpl(Session session, MessageWrapper message);

}

/*
 * This file is part of the Yildiz-Engine project, licenced under the MIT License  (MIT)
 *
 *  Copyright (c) 2018 Grégory Van den Borre
 *
 *  More infos available: https://www.yildiz-games.be
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 *  documentation files (the "Software"), to deal in the Software without restriction, including without
 *  limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 *  of the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all copies or substantial
 *  portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 *  OR COPYRIGHT  HOLDERS BE LIABLE FOR ANY CLAIM,
 *  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  SOFTWARE.
 *
 */

package be.yildizgames.module.network;

import be.yildizgames.common.logging.LogFactory;
import be.yildizgames.module.network.protocol.MessageSeparation;
import be.yildizgames.module.network.protocol.MessageWrapper;
import be.yildizgames.module.network.server.Session;
import org.slf4j.Logger;

/**
 * The handler controls the way the network will react to incoming message in its concrete implementation, the abstract part will manage the message construction.
 *
 * @author Grégory Van den Borre
 */
public abstract class AbstractHandler {

    private static final Logger LOGGER = LogFactory.getInstance().getLogger(AbstractHandler.class);

    protected AbstractHandler() {
        super();
    }

    /**
     * Process the messages by splitting in unique messages, and for each of them, calling the appropriate logic.
     *
     * @param session Session having received the message.
     * @param message Message received.
     */
    //@Requires("session != null")
    //@Requires("message != null")
    void processMessages(final Session session, final String message) {
        LOGGER.debug("Unprocessed network message: {}", message);
        String messageWithoutStartChar = message.replaceAll(MessageSeparation.MESSAGE_BEGIN, "");
        String[] messages = messageWithoutStartChar.split(MessageSeparation.MESSAGE_END);
        for (String c : messages) {
            this.messageReceivedImpl(session, new MessageWrapper(c));
        }
    }

    /**
     * Call the implementation logic to handle this message.
     *
     * @param session Session having received the message.
     * @param message Message received.
     */
    //@Requires("session != null")
    //@Requires("message != null")
    protected abstract void messageReceivedImpl(Session session, MessageWrapper message);

}

Improve API.