package org.gsm.oneapi.server.payment;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.codehaus.jackson.map.ObjectMapper;
import org.gsm.oneapi.responsebean.payment.AmountReservationTransaction;
import org.gsm.oneapi.server.ValidationRule;
/**
* Servlet implementing the OneAPI function for the payment API - reserving an initial amount on the end user's account
*/
public class AmountReserveServlet extends PaymentServlet {
static Logger logger=Logger.getLogger(AmountReserveServlet.class);
private static final long serialVersionUID = -6237772242372106922L;
private final String[] validationRules={"1", "payment", "*", "transactions", "amountReservation"};
public void init() throws ServletException {
logger.debug("AmountReserveServlet initialised");
}
public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException{
dumpRequestDetails(request, logger);
String[] requestParts=getRequestParts(request);
if (validateRequest(request, response, requestParts, validationRules)) {
/*
* Decode all provided parameters
*/
String endUserId=requestParts[2];
String referenceCode=nullOrTrimmed(request.getParameter("referenceCode"));
String transactionOperationStatus=nullOrTrimmed(request.getParameter("transactionOperationStatus"));
String description=nullOrTrimmed(request.getParameter("description"));
String currency=nullOrTrimmed(request.getParameter("currency"));
Double amount=parseDouble(request.getParameter("amount"));
String clientCorrelator=nullOrTrimmed(request.getParameter("clientCorrelator"));
String code=nullOrTrimmed(request.getParameter("code"));
int referenceSequence=parseInt(request.getParameter("referenceSequence"));
String onBehalfOf=nullOrTrimmed(request.getParameter("onBehalfOf"));
String channel=nullOrTrimmed(request.getParameter("channel"));
Double taxAmount=parseDouble(request.getParameter("taxAmount"));
String serviceID=nullOrTrimmed(request.getParameter("serviceID"));
String productID=nullOrTrimmed(request.getParameter("productID"));
String purchaseCategoryCode=nullOrTrimmed(request.getParameter("purchaseCategoryCode"));
ValidationRule[] rules=null;
if (code!=null) {
rules=new ValidationRule[] {
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY_TEL, "endUserId", endUserId),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "referenceCode", referenceCode),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "transactionOperationStatus", transactionOperationStatus, "reserved"),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "referenceSequence", Integer.toString(referenceSequence), "1"),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "description", description),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "code", code),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "clientCorrelator", clientCorrelator),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "onBehalfOf", onBehalfOf),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "purchaseCategoryCode", purchaseCategoryCode),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL_PAYMENT_CHANNEL, "channel", channel),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL_DOUBLE_GE_ZERO, "taxAmount", taxAmount),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "serviceID", serviceID),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "productID", productID),
};
} else {
rules=new ValidationRule[] {
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY_TEL, "endUserId", endUserId),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "referenceCode", referenceCode),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "transactionOperationStatus", transactionOperationStatus, "reserved"),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "referenceSequence", Integer.toString(referenceSequence), "1"),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "description", description),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY, "currency", currency),
new ValidationRule(ValidationRule.VALIDATION_TYPE_MANDATORY_DOUBLE_GE_ZERO, "amount", amount),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "clientCorrelator", clientCorrelator),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "onBehalfOf", onBehalfOf),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "purchaseCategoryCode", purchaseCategoryCode),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL_PAYMENT_CHANNEL, "channel", channel),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL_DOUBLE_GE_ZERO, "taxAmount", taxAmount),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "serviceID", serviceID),
new ValidationRule(ValidationRule.VALIDATION_TYPE_OPTIONAL, "productID", productID),
};
}
if (checkRequestParameters(response, rules)) {
String serverReferenceCode="DEF-456";
String resourceURL=getRequestHostnameAndContext(request)+request.getServletPath()+"/1/payment/"+(endUserId!=null?urlEncode(endUserId):"")+"/transactions/amountReservation"+(referenceCode!=null?("/"+urlEncode(serverReferenceCode)):"");
AmountReservationTransaction responseData=new AmountReservationTransaction();
/*
* Processing of the request to reserve an amount to charge
*/
responseData.setClientCorrelator(clientCorrelator);
responseData.setEndUserId(endUserId);
AmountReservationTransaction.PaymentAmount.ChargingInformation charge=new AmountReservationTransaction.PaymentAmount.ChargingInformation();
charge.setAmount(amount);
charge.setCurrency(currency);
charge.setDescription(description);
charge.setPurchaseCategoryCode(purchaseCategoryCode);
AmountReservationTransaction.PaymentAmount payment=new AmountReservationTransaction.PaymentAmount();
payment.setChargingInformation(charge);
payment.setAmountReserved(amount);
responseData.setPaymentAmount(payment);
responseData.setReferenceCode(referenceCode);
responseData.setTransactionOperationStatus(transactionOperationStatus);
responseData.setResourceURL(resourceURL);
responseData.setClientCorrelator(clientCorrelator);
responseData.setReferenceSequence(referenceSequence);
responseData.setServerReferenceCode(serverReferenceCode);
ObjectMapper mapper=new ObjectMapper();
String jsonResponse="{\"amountReservationTransaction\":"+mapper.writeValueAsString(responseData)+"}";
sendJSONResponse(response, jsonResponse, CREATED, resourceURL);
}
}
}
}