com.bvd.paymentswitch.processing.client.AuthorizationHandler.java Source code

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Here is the source code for com.bvd.paymentswitch.processing.client.AuthorizationHandler.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you 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 com.bvd.paymentswitch.processing.client;

import com.bvd.paymentswitch.models.PosAuthorization;
import com.bvd.paymentswitch.models.ProcessorAuthorization;
import com.bvd.paymentswitch.processing.provider.ProcessingProvider;
import com.bvd.paymentswitch.utils.ASCIIChars;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.timeout.ReadTimeoutException;
import java.util.concurrent.CompletableFuture;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component
@Qualifier("authorizationHandler")
@Scope("prototype")
public class AuthorizationHandler extends SimpleChannelInboundHandler<String> {

    static final Logger logger = LoggerFactory.getLogger(AuthorizationHandler.class);
    static final Logger responseLogger = LoggerFactory.getLogger("Response-Logger");

    protected PosAuthorization posRequest;
    protected ProcessorAuthorization processorRequest;
    protected ProcessingProvider processingProvider;
    protected CompletableFuture<String> authorizationFuture;

    public void initializePOSContext(PosAuthorization posRequest, ProcessorAuthorization processorRequest,
            ProcessingProvider processingProvider) {
        this.posRequest = posRequest;
        this.processingProvider = processingProvider;
        this.processorRequest = processorRequest;
    }

    public void setAuthorizationFuture(CompletableFuture<String> authFuture) {
        this.authorizationFuture = authFuture;
    }

    @Override
    public void channelRead0(ChannelHandlerContext ctx, String msg) {

        logger.debug("READ: " + msg);

        responseLogger.info(msg);
        ProcessorAuthorization processorResponse = processingProvider.parseProcessorResponse(posRequest, msg);

        PosAuthorization posResponse = processingProvider.createPosResponse(posRequest, processorResponse);

        String bvdResp = posResponse.toString();

        processingProvider.saveAuthorization(posRequest, processorResponse);

        authorizationFuture.complete(bvdResp);

        if (processingProvider.getPaymentProcessor().isClientDisconnect()) {
            ctx.close();
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        logger.error(cause.toString());

        if (cause instanceof ReadTimeoutException) {
            logger.debug("Processor timed out");

            if (posRequest.getTransactionType() == 1) {
                // complete the transaction 
                processorRequest.setType("RC");
                processorRequest.setResponseCode("F");
                PosAuthorization posResponse = processingProvider.createPosResponse(posRequest, processorRequest);
                String bvdResp = posResponse.toString();
                processingProvider.saveAuthorization(posRequest, processorRequest);
                authorizationFuture.complete(bvdResp);
            } else {
                authorizationFuture.complete(String.valueOf(ASCIIChars.NAK));
            }
            ctx.close();
        } else {
            authorizationFuture.complete(String.valueOf(ASCIIChars.NAK));
            ctx.close();
        }
    }

}