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.*; import com.paypal.svcs.types.common.DayOfWeek; import com.paypal.svcs.types.common.RequestEnvelope; import com.sample.util.Configuration; public class PreapprovalPaymentServlet extends HttpServlet { private static final long serialVersionUID = 97034234203978L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if(request.getRequestURI().contains("Preapprove")){ getServletConfig().getServletContext() .getRequestDispatcher("/usecase_jsp/Preapproval.jsp") .forward(request, response); } if(request.getRequestURI().contains("PreapprovalPayment")){ getServletConfig().getServletContext() .getRequestDispatcher("/usecase_jsp/PreapprovalPayment.jsp") .forward(request, response); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //********************************************************************* //***** Create a Preapproval agreement between you and sender ******** //********************************************************************* if(request.getRequestURI().contains("Preapprove")){ // TODO Auto-generated method stub HttpSession session = request.getSession(); session.setAttribute("url", request.getRequestURI()); RequestEnvelope requestEnvelope = new RequestEnvelope("en_US"); PreapprovalRequest req = new PreapprovalRequest(); /** * (Optional) The day of the month on which a monthly payment is to be made. * Allowable values are numbers between 0 and 31. * A number between 1 and 31 indicates the date of the month. * Specifying 0 indicates that payment can be made on any day of the month. */ if (request.getParameter("dateOfMonth") != "") req.setDateOfMonth(Integer.parseInt(request.getParameter("dateOfMonth"))); /** * (Optional) The day of the week that a weekly payment is to be made. Allowable values are: NO_DAY_SPECIFIED SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY */ if (request.getParameter("dayOfWeek") != "") req.setDayOfWeek(DayOfWeek.fromValue(request.getParameter("dayOfWeek"))); /** * (Optional) Whether to display the maximum total amount of this preapproval. It is one of the following values: TRUE � Display the amount FALSE � Do not display the amount (default) */ if (request.getParameter("displayMaxTotalAmount") != "") req.setDisplayMaxTotalAmount(Boolean.parseBoolean(request.getParameter("displayMaxTotalAmount"))); /** * (Optional) The URL to which you want all IPN messages for this preapproval to be sent. * This URL supersedes the IPN notification URL in your profile. * Maximum length: 1024 characters */ if (request.getParameter("ipnNotificationURL") != "") req.setIpnNotificationUrl(request.getParameter("ipnNotificationURL")); /** * (Optional) The preapproved maximum amount per payment. * It cannot exceed the preapproved maximum total amount of all payments. */ if (request.getParameter("maxAmountPerPayment") != "") req.setMaxAmountPerPayment(Double.parseDouble(request.getParameter("maxAmountPerPayment"))); /** * (Optional) The preapproved maximum number of payments. * It cannot exceed the preapproved maximum total number of all payments. */ if (request.getParameter("maxNumberOfPayments") != "") req.setMaxNumberOfPayments(Integer.parseInt(request.getParameter("maxNumberOfPayments"))); /** * (Optional) The preapproved maximum number of all payments per period. * You must specify a value unless you have specific permission from PayPal. */ if (request.getParameter("maxNumberOfPaymentsPerPeriod") != "") req.setMaxNumberOfPaymentsPerPeriod(Integer.parseInt(request.getParameter("maxNumberOfPaymentsPerPeriod"))); /** * (Optional) The preapproved maximum total amount of all payments. * It cannot exceed $2,000 USD or its equivalent in other currencies */ if (request.getParameter("totalAmountOfAllPayments") != "") req.setMaxTotalAmountOfAllPayments(Double.parseDouble(request .getParameter("totalAmountOfAllPayments"))); /** * (Optional) The payment period. It is one of the following values: NO_PERIOD_SPECIFIED DAILY � Each day WEEKLY � Each week BIWEEKLY � Every other week SEMIMONTHLY � Twice a month MONTHLY � Each month ANNUALLY � Each year */ if (request.getParameter("paymentPeriod") != "") req.setPaymentPeriod(request.getParameter("paymentPeriod")); /** * (Optional) Sender's email address. If not specified, * the email address of the sender who logs in to approve * the request becomes the email address associated with the preapproval key. * Maximum length: 127 characters */ if (request.getParameter("senderEmail") != "") req.setSenderEmail(request.getParameter("senderEmail")); //URL to redirect the sender's browser to after canceling the preapproval 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 confirmed the preapproval */ if (request.getParameter("returnURL") != "") req.setReturnUrl(request.getParameter("returnURL")); req.setRequestEnvelope(requestEnvelope); /** * First date for which the preapproval is valid. * It cannot be before today's date or after the ending date. */ if (request.getParameter("startingDate") != "") req.setStartingDate(request.getParameter("startingDate")); /** * Last date for which the preapproval is valid. * It cannot be later than one year from the starting date. * Contact PayPal if you do not want to specify an ending date */ if (request.getParameter("endingDate") != "") req.setEndingDate(request.getParameter("endingDate")); // Configuration map containing signature credentials and other required configuration. // For a full list of configuration parameters refer in wiki page // (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); try { PreapprovalResponse resp = service.preapproval(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()); /** A preapproval key that identifies the preapproval requested */ map.put("Preapproval Key", resp.getPreapprovalKey()); map.put("Redirect URL", "<a href=https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_ap-preapproval&preapprovalkey=" + resp.getPreapprovalKey() + ">Redirect to paypal</a>"); session.setAttribute("map", map); session.setAttribute("preapprovalKey", resp.getPreapprovalKey()); response.sendRedirect("Response.jsp"); } else { session.setAttribute("Error", resp.getError()); response.sendRedirect("Error.jsp"); } } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } //********************************************************** //******* Make a Payment using PreapprovalKey ************* //********************************************************** if(request.getRequestURI().contains("PreapprovalPayment")){ 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); /** Preapproval key for the approval set up between you and the sender */ if (request.getParameter("preapprovalKey") != "") req.setPreapprovalKey(request.getParameter("preapprovalKey")); /** * 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()); } 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(); } } } }