PaypalApi.java

/*
 jBilling - The Enterprise Open Source Billing System
 Copyright (C) 2003-2011 Enterprise jBilling Software Ltd. and Emiliano Conde

 This file is part of jbilling.

 jbilling is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 jbilling is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with jbilling.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.sapienter.jbilling.server.payment.tasks.paypal;

import com.paypal.sdk.profiles.APIProfile;
import com.paypal.sdk.profiles.ProfileFactory;
import com.paypal.sdk.exceptions.PayPalException;
import com.paypal.sdk.core.nvp.NVPEncoder;
import com.paypal.sdk.core.nvp.NVPDecoder;
import com.paypal.sdk.services.NVPCallerServices;
import com.sapienter.jbilling.server.payment.tasks.paypal.dto.*;

/**
 * Created by Roman Liberov, 03/02/2010
 */
public class PaypalApi {

    public static final String DO_DIRECT_PAYMENT_METHOD = "DoDirectPayment";
    public static final String DO_CAPTURE_METHOD = "DoCapture";
    public static final String DO_REFERENCE_TRANSACTION_METHOD = "DoReferenceTransaction";
    public static final String REFUND_TRANSACTION_METHOD = "RefundTransaction";
    public static final String DO_VOID_METHOD = "DoVoid";

    private final APIProfile profile;

    public PaypalApi(String userId, String password, String signature,
                     String environment, String subject, int timeout)
            throws PayPalException {

        profile = ProfileFactory.createSignatureAPIProfile();
        profile.setAPIUsername(userId);
        profile.setAPIPassword(password);
        profile.setSignature(signature);
        profile.setEnvironment(environment);
        profile.setSubject(subject);
        profile.setTimeout(timeout);
    }

    public PaypalResult doDirectPayment(
            PaymentAction paymentAction, Payer payer, CreditCard creditCard, Payment payment)
            throws PayPalException {

        NVPEncoder encoder = new NVPEncoder();
        NVPDecoder decoder = new NVPDecoder();

        NVPCallerServices caller = new NVPCallerServices();
        caller.setAPIProfile(profile);

        encoder.add("METHOD", DO_DIRECT_PAYMENT_METHOD);
        encoder.add("PAYMENTACTION", paymentAction.toString());

        encoder.add("CREDITCARDTYPE", creditCard.getType());
        encoder.add("ACCT", creditCard.getAccount());
        encoder.add("EXPDATE", creditCard.getExpirationDate());
        encoder.add("CVV2", creditCard.getCvv2());

        encoder.add("FIRSTNAME", payer.getFirstName());
        encoder.add("LASTNAME", payer.getLastName());
        encoder.add("STREET", payer.getStreet());
        encoder.add("CITY", payer.getCity());
        encoder.add("STATE", payer.getState());
        encoder.add("ZIP", payer.getZip());
        encoder.add("COUNTRYCODE", payer.getCountryCode());

        encoder.add("AMT", payment.getAmount());
        encoder.add("CURRENCYCODE", payment.getCurrencyCode());

        String NVPRequest = encoder.encode();
        String NVPResponse = caller.call(NVPRequest);
        decoder.decode(NVPResponse);

        PaypalResult result = new PaypalResult();
        if(decoder.get("ACK").equals("Failure")) {
            result.setSucceseeded(false);
            result.setErrorCode(decoder.get("L_ERRORCODE0"));
            return result;
        }

        result.setTransactionId(decoder.get("TRANSACTIONID"));
        result.setAvs(decoder.get("AVSCODE"));
        return result;
    }

    public PaypalResult doReferenceTransaction(
            String transactionId, PaymentAction paymentAction, Payment payment)
            throws PayPalException {

        NVPEncoder encoder = new NVPEncoder();
        NVPDecoder decoder = new NVPDecoder();

        NVPCallerServices caller = new NVPCallerServices();
        caller.setAPIProfile(profile);

        encoder.add("METHOD", DO_REFERENCE_TRANSACTION_METHOD);
        encoder.add("REFERENCEID", transactionId);
        encoder.add("PAYMENTACTION", paymentAction.toString());
        encoder.add("AMT", payment.getAmount());
        encoder.add("CURRENCYCODE", payment.getCurrencyCode());

        String NVPRequest = encoder.encode();
        String NVPResponse = caller.call(NVPRequest);
        decoder.decode(NVPResponse);

        PaypalResult result = new PaypalResult();
        if(decoder.get("ACK").equals("Failure")) {
            result.setSucceseeded(false);
            result.setErrorCode(decoder.get("L_ERRORCODE0"));
            return result;
        }

        result.setTransactionId(decoder.get("TRANSACTIONID"));
        return result;
    }

    public PaypalResult doCapture(String authorizationId, Payment payment, CompleteType completeType)
            throws PayPalException {

        NVPEncoder encoder = new NVPEncoder();
        NVPDecoder decoder = new NVPDecoder();

        NVPCallerServices caller = new NVPCallerServices();
        caller.setAPIProfile(profile);

        encoder.add("METHOD", DO_CAPTURE_METHOD);
        encoder.add("AUTHORIZATIONID", authorizationId);
        encoder.add("COMPLETETYPE", completeType.toString());
        encoder.add("AMT", payment.getAmount());
        encoder.add("CURRENCYCODE", payment.getCurrencyCode());

        String NVPRequest = encoder.encode();
        String NVPResponse = caller.call(NVPRequest);
        decoder.decode(NVPResponse);

        PaypalResult result = new PaypalResult();
        if(decoder.get("ACK").equals("Failure")) {
            result.setSucceseeded(false);
            result.setErrorCode(decoder.get("L_ERRORCODE0"));
            return result;
        }

        result.setTransactionId(decoder.get("AUTHORIZATIONID"));
        return result;
    }

    public PaypalResult doVoid(String transactionId)
            throws PayPalException {

        NVPEncoder encoder = new NVPEncoder();
        NVPDecoder decoder = new NVPDecoder();

        NVPCallerServices caller = new NVPCallerServices();
        caller.setAPIProfile(profile);

        encoder.add("METHOD", DO_VOID_METHOD);
        encoder.add("AUTHORIZATIONID", transactionId);

        String NVPRequest = encoder.encode();
        String NVPResponse = caller.call(NVPRequest);
        decoder.decode(NVPResponse);

        PaypalResult result = new PaypalResult();
        if(decoder.get("ACK").equals("Failure")) {
            result.setSucceseeded(false);
            result.setErrorCode(decoder.get("L_ERRORCODE0"));
            return result;
        }

        result.setTransactionId(decoder.get("AUTHORIZATIONID"));
        return result;
    }

    public PaypalResult refundTransaction(String transactionId, String amount, RefundType refundType)
            throws PayPalException {

        NVPEncoder encoder = new NVPEncoder();
        NVPDecoder decoder = new NVPDecoder();

        NVPCallerServices caller = new NVPCallerServices();
        caller.setAPIProfile(profile);

        encoder.add("METHOD", REFUND_TRANSACTION_METHOD);
        encoder.add("TRANSACTIONID", transactionId);
        encoder.add("REFUNDTYPE", refundType.toString());
        if(!RefundType.FULL.equals(refundType)) {
            encoder.add("AMT", amount);
        }

        String NVPRequest = encoder.encode();
        String NVPResponse = caller.call(NVPRequest);
        decoder.decode(NVPResponse);

        PaypalResult result = new PaypalResult();
        if(decoder.get("ACK").equals("Failure")) {
            result.setSucceseeded(false);
            result.setErrorCode(decoder.get("L_ERRORCODE0"));
            return result;
        }

        result.setTransactionId(decoder.get("REFUNDTRANSACTIONID"));
        return result;
    }
}