package com.sample.usecase; import java.io.IOException; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import com.paypal.svcs.services.AdaptivePaymentsService; import com.paypal.svcs.types.ap.PayRequest; import com.paypal.svcs.types.ap.PayResponse; import com.paypal.svcs.types.ap.Receiver; import com.paypal.svcs.types.ap.ReceiverList; import com.paypal.svcs.types.common.RequestEnvelope; import com.sample.util.Configuration; public class SimplePaymentServlet extends HttpServlet { private static final long serialVersionUID = 1012983719723L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { getServletConfig().getServletContext() .getRequestDispatcher("/usecase_jsp/SimplePayment.jsp") .forward(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PayRequest req = new PayRequest(); RequestEnvelope requestEnvelope = new RequestEnvelope("en_US"); req.setRequestEnvelope(requestEnvelope); List<Receiver> receiver = new ArrayList<Receiver>(); Receiver rec = new Receiver(); /** (Required) Amount to be paid to the receiver */ if (request.getParameter("amount") != "") rec.setAmount(Double.parseDouble(request.getParameter("amount"))); /** * Receiver's email address. This address can be unregistered with * paypal.com. If so, a receiver cannot claim the payment until a PayPal * account is linked to the email address. The PayRequest must pass * either an email address or a phone number. Maximum length: 127 * characters */ if (request.getParameter("mail") != "") rec.setEmail(request.getParameter("mail")); receiver.add(rec); ReceiverList receiverlst = new ReceiverList(receiver); req.setReceiverList(receiverlst); /** (Optional) Sender's email address. Maximum length: 127 characters */ if (request.getParameter("senderEmail") != "") req.setSenderEmail(request.getParameter("senderEmail")); /** * The action for this request. Possible values are: PAY � Use this * option if you are not using the Pay request in combination with * ExecutePayment. CREATE � Use this option to set up the payment * instructions with SetPaymentOptions and then execute the payment at a * later time with the ExecutePayment. PAY_PRIMARY � For chained * payments only, specify this value to delay payments to the secondary * receivers; only the payment to the primary receiver is processed. */ if (request.getParameter("actionType") != "") req.setActionType(request.getParameter("actionType")); /** * URL to redirect the sender's browser to after canceling the approval * for a payment; it is always required but only used for payments that * require approval (explicit payments) */ if (request.getParameter("cancelURL") != "") req.setCancelUrl(request.getParameter("cancelURL")); /** * The code for the currency in which the payment is made; you can * specify only one currency, regardless of the number of receivers */ if (request.getParameter("currencyCode") != "") req.setCurrencyCode(request.getParameter("currencyCode")); /** * URL to redirect the sender's browser to after the sender has logged * into PayPal and approved a payment; it is always required but only * used if a payment requires explicit approval */ if (request.getParameter("returnURL") != "") req.setReturnUrl(request.getParameter("returnURL")); /** * (Optional) The URL to which you want all IPN messages for this * payment to be sent. Maximum length: 1024 characters */ if (request.getParameter("ipnNotificationURL") != "") req.setIpnNotificationUrl(request .getParameter("ipnNotificationURL")); // Configuration map containing signature credentials and other required // configuration. // For a full list of configuration parameters refer at // (https://github.com/paypal/sdk-core-java/wiki/SDK-Configuration-Parameters) Map<String, String> configurationMap = Configuration.getAcctAndConfig(); // Creating service wrapper object to make an API call by loading // configuration map. AdaptivePaymentsService service = new AdaptivePaymentsService( configurationMap); HttpSession session = request.getSession(); session.setAttribute("url", request.getRequestURI()); try { PayResponse resp = service.pay(req); response.setContentType("text/html"); if (resp != null) { session.setAttribute("RESPONSE_OBJECT", resp); session.setAttribute("lastReq", service.getLastRequest()); session.setAttribute("lastResp", service.getLastResponse()); if (resp.getResponseEnvelope().getAck().toString() .equalsIgnoreCase("SUCCESS")) { Map<Object, Object> map = new LinkedHashMap<Object, Object>(); map.put("Ack", resp.getResponseEnvelope().getAck()); /** * Correlation identifier. It is a 13-character, * alphanumeric string (for example, db87c705a910e) that is * used only by PayPal Merchant Technical Support. Note: You * must log and store this data for every response you * receive. PayPal Technical Support uses the information to * assist with reported issues. */ map.put("Correlation ID", resp.getResponseEnvelope() .getCorrelationId()); /** * Date on which the response was sent, for example: * 2012-04-02T22:33:35.774-07:00 Note: You must log and * store this data for every response you receive. PayPal * Technical Support uses the information to assist with * reported issues. */ map.put("Time Stamp", resp.getResponseEnvelope() .getTimestamp()); /** * The pay key, which is a token you use in other Adaptive * Payment APIs (such as the Refund Method) to identify this * payment. The pay key is valid for 3 hours; the payment * must be approved while the pay key is valid. */ map.put("Pay Key", resp.getPayKey()); /** * The status of the payment. Possible values are: CREATED � * The payment request was received; funds will be * transferred once the payment is approved COMPLETED � The * payment was successful INCOMPLETE � Some transfers * succeeded and some failed for a parallel payment or, for * a delayed chained payment, secondary receivers have not * been paid ERROR � The payment failed and all attempted * transfers failed or all completed transfers were * successfully reversed REVERSALERROR � One or more * transfers failed when attempting to reverse a payment * PROCESSING � The payment is in progress PENDING � The * payment is awaiting processing */ map.put("Payment Execution Status", resp.getPaymentExecStatus()); if (resp.getDefaultFundingPlan() != null) { /** Default funding plan. */ map.put("Default Funding Plan", resp .getDefaultFundingPlan().getFundingPlanId()); } // Skipping for Implicit Payments if (!resp.getPaymentExecStatus().equalsIgnoreCase( "Completed")) { map.put("Redirect URL", "<a href=https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_ap-payment&paykey=" + resp.getPayKey() + ">https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_ap-payment&paykey=" + resp.getPayKey() + "</a>"); } session.setAttribute("map", map); response.sendRedirect("Response.jsp"); } else { session.setAttribute("Error", resp.getError()); response.sendRedirect("Error.jsp"); } } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }