package it.acxent.bank.sella;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.net.UnknownServiceException;

public class GestPayCrypt {
  private String ShopLogin = "";
  
  private String Currency = "";
  
  private String Amount = "";
  
  private String ShopTransactionID = "";
  
  private String BuyerName = "";
  
  private String BuyerEmail = "";
  
  private String Language = "";
  
  private String CustomInfo = "";
  
  private String AuthorizationCode = "";
  
  private String ErrorCode = "";
  
  private String ErrorDescription = "";
  
  private String BankTransactionID = "";
  
  private String AlertCode = "";
  
  private String AlertDescription = "";
  
  private String EncryptedString = "";
  
  private String ToBeEncript = "";
  
  private String Decripted = "";
  
  private String TransactionResult = "";
  
  private String ProtocolAuthServer = "";
  
  private String DomainName = "";
  
  private String separator = "";
  
  private String errDescription = "";
  
  private String errNumber = "";
  
  private String Version = "";
  
  private String Min = "";
  
  private String CVV = "";
  
  private String country = "";
  
  private String vbvrisp = "";
  
  private String vbv = "";
  
  private String trans;
  
  public GestPayCrypt() {
    this.ShopLogin = "";
    this.Currency = "";
    this.Amount = "";
    this.ShopTransactionID = "";
    this.BuyerName = "";
    this.BuyerEmail = "";
    this.Language = "";
    this.CustomInfo = "";
    this.AuthorizationCode = "";
    this.ErrorCode = "";
    this.ErrorDescription = "";
    this.BankTransactionID = "";
    this.AlertCode = "";
    this.AlertDescription = "";
    this.EncryptedString = "";
    this.ToBeEncript = "";
    this.Decripted = "";
    this.ProtocolAuthServer = "http://";
    this.DomainName = "";
    this.separator = "*P1*";
    this.errDescription = "";
    this.errNumber = "0";
    this.Version = "3.0";
    this.Min = "";
    this.CVV = "";
    this.country = "";
    this.vbvrisp = "";
    this.vbv = "";
    this.trans = "";
  }
  
  public void setShopLogin(String xstr) {
    this.ShopLogin = xstr;
  }
  
  public void setCurrency(String xstr) {
    this.Currency = xstr;
  }
  
  public void setAmount(String xstr) {
    this.Amount = xstr;
  }
  
  public void setShopTransactionID(String xstr) {
    this.ShopTransactionID = URLEncoder.encode(xstr.trim());
  }
  
  public void setMIN(String xstr) {
    this.Min = xstr;
  }
  
  public void setCVV(String xstr) {
    this.CVV = xstr;
  }
  
  public void setBuyerName(String xstr) {
    this.BuyerName = URLEncoder.encode(xstr.trim());
  }
  
  public void setBuyerEmail(String xstr) {
    this.BuyerEmail = xstr.trim();
  }
  
  public void setLanguage(String xstr) {
    this.Language = xstr.trim();
  }
  
  public void setCustomInfo(String xstr) {
    this.CustomInfo = URLEncoder.encode(xstr.trim());
  }
  
  public void setEncryptedString(String xstr) {
    this.EncryptedString = xstr;
  }
  
  public void setProtocolServer(String xstr) {
    this.ProtocolAuthServer = xstr;
  }
  
  public void setDomainName(String xstr) {
    this.DomainName = xstr;
  }
  
  public String getShopLogin() {
    return this.ShopLogin;
  }
  
  public String getCurrency() {
    return this.Currency;
  }
  
  public String getAmount() {
    return this.Amount;
  }
  
  public String getCountry() {
    return this.country;
  }
  
  public String getVBV() {
    return this.vbv;
  }
  
  public String getVBVrisp() {
    return this.vbvrisp;
  }
  
  public String getShopTransactionID() {
    String app = "";
    try {
      app = URLDecode(this.ShopTransactionID);
    } catch (Exception e) {}
    return app;
  }
  
  public String getBuyerName() {
    String appBuyername = "";
    try {
      appBuyername = URLDecode(this.BuyerName);
    } catch (Exception ex) {
      appBuyername = "errore";
    } 
    return appBuyername;
  }
  
  public String getBuyerEmail() {
    return this.BuyerEmail;
  }
  
  public String getCustomInfo() {
    String appCustom = "";
    try {
      appCustom = URLDecode(this.CustomInfo);
    } catch (Exception e) {}
    return appCustom;
  }
  
  public String getAuthorizationCode() {
    return this.AuthorizationCode;
  }
  
  public String getErrorCode() {
    return this.ErrorCode;
  }
  
  public String getErrorDescription() {
    return this.ErrorDescription;
  }
  
  public String getBankTransactionID() {
    return this.BankTransactionID;
  }
  
  public String getTransactionResult() {
    return this.TransactionResult;
  }
  
  public String getAlertCode() {
    return this.AlertCode;
  }
  
  public String getAlertDescription() {
    return this.AlertDescription;
  }
  
  public String getEncryptedString() {
    return this.EncryptedString;
  }
  
  public String getProtocolServer() {
    return this.ProtocolAuthServer;
  }
  
  public String getDomainName() {
    return this.DomainName;
  }
  
  public boolean Encrypt() {
    String sErr = "";
    this.ErrorCode = "0";
    this.ErrorDescription = "";
    try {
      if (this.ShopLogin.length() <= 0) {
        this.ErrorCode = "546";
        this.ErrorDescription = "IDshop not valid";
        return false;
      } 
      if (controlValues(this.ProtocolAuthServer))
        this.ProtocolAuthServer = "http://"; 
      this.trans = this.ShopLogin.substring(0, 6);
      this.trans = this.trans.toLowerCase();
      if (controlValues(this.DomainName))
        if (this.trans.equals("gespay")) {
          this.DomainName = "testecomm.sella.it/CryptHTTP";
        } else {
          this.DomainName = "ecomms2s.sella.it/CryptHTTP";
        }  
      if (this.Currency.length() <= 0) {
        this.ErrorCode = "552";
        this.ErrorDescription = "Currency not valid";
        return false;
      } 
      if (this.Amount.length() <= 0) {
        this.ErrorCode = "553";
        this.ErrorDescription = "Amount not valid";
        return false;
      } 
      if (this.ShopTransactionID.length() <= 0) {
        this.ErrorCode = "551";
        this.ErrorDescription = "Shop Transaction ID not valid";
        return false;
      } 
      this.ToBeEncript = "";
      if (this.CVV.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_CVV=" + this.separator; 
      if (this.Min.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_MIN=" + this.separator; 
      if (this.Currency.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_UICCODE=" + this.separator; 
      if (this.Amount.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_AMOUNT=" + this.separator; 
      if (this.ShopTransactionID.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_SHOPTRANSACTIONID=" + this.separator; 
      if (this.BuyerName.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_CHNAME=" + this.separator; 
      if (this.BuyerEmail.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_CHEMAIL=" + this.separator; 
      if (this.Language.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + "PAY1_IDLANGUAGE=" + this.separator; 
      if (this.CustomInfo.length() > 0)
        this.ToBeEncript = this.ToBeEncript + this.ToBeEncript + this.separator; 
      String urlString = this.ProtocolAuthServer + this.ProtocolAuthServer + "/Encrypt.asp?a=" + this.DomainName + "&b=" + this.ShopLogin + "&c=" + 
        this.ToBeEncript.substring(4, this.ToBeEncript.length());
      URL url = new URL(urlString);
      URLConnection connection = url.openConnection();
      BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
      int nStart = 0;
      int nEnd = 0;
      String line = "";
      while (line != null) {
        line = in.readLine();
        if (line != null) {
          nStart = line.indexOf("#cryptstring#");
          nEnd = line.lastIndexOf("#/cryptstring#");
          if (((nStart != -1) ? true : false) & ((nEnd > nStart + 14) ? true : false))
            this.EncryptedString = line.substring(nStart + 13, nEnd); 
          nStart = line.indexOf("#error#");
          nEnd = line.lastIndexOf("#/error#");
          if (((nStart != -1) ? true : false) & ((nEnd > nStart + 8) ? true : false)) {
            sErr = line.substring(nStart + 7, nEnd);
            int intsep = sErr.indexOf("-");
            this.ErrorCode = sErr.substring(0, intsep);
            this.ErrorDescription = sErr.substring(intsep + 1, sErr.length());
            return false;
          } 
        } 
      } 
      in.close();
      return true;
    } catch (MalformedURLException ex) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "Bad URL";
      return false;
    } catch (UnknownServiceException ex) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "ServiceException occurred.";
      return false;
    } catch (IOException ex) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "Bad URL Request";
      return false;
    } 
  }
  
  public boolean Decrypt() {
    this.ErrorCode = "0";
    this.ErrorDescription = "";
    String strdaelim = "";
    if (this.ShopLogin.length() <= 0) {
      this.ErrorCode = "546";
      this.ErrorDescription = "IDshop not valid";
      return false;
    } 
    if (controlValues(this.ProtocolAuthServer))
      this.ProtocolAuthServer = "http://"; 
    this.trans = this.ShopLogin.substring(0, 6);
    this.trans = this.trans.toLowerCase();
    if (controlValues(this.DomainName))
      if (this.trans.equals("gespay")) {
        this.DomainName = "testecomm.sella.it/CryptHTTP";
      } else {
        this.DomainName = "ecomms2s.sella.it/CryptHTTP";
      }  
    if (this.EncryptedString.length() <= 0) {
      this.ErrorCode = "1009";
      this.ErrorDescription = "String to Decrypt not valid";
      return false;
    } 
    try {
      String urlString = this.ProtocolAuthServer + this.ProtocolAuthServer + "/Decrypt.asp?a=" + this.DomainName + "&b=" + this.ShopLogin + "&c=" + this.EncryptedString;
      URL url = new URL(urlString);
      URLConnection connection = url.openConnection();
      BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
      int nStart = 0;
      int nEnd = 0;
      String line = "";
      while (line != null) {
        line = in.readLine();
        if (line != null) {
          nStart = line.indexOf("#decryptstring#");
          nEnd = line.lastIndexOf("#/decryptstring#");
          if (((nStart != -1) ? true : false) & ((nEnd > nStart + 16) ? true : false))
            this.Decripted = line.substring(nStart + 15, nEnd); 
          nStart = line.indexOf("#error#");
          nEnd = line.lastIndexOf("#/error#");
          if (((nStart != -1) ? true : false) & ((nEnd > nStart + 8) ? true : false)) {
            String sErr = line.substring(nStart + 7, nEnd);
            int intsep = sErr.indexOf("-");
            this.ErrorCode = sErr.substring(0, intsep);
            this.ErrorDescription = sErr.substring(intsep + 1, sErr.length());
            return false;
          } 
        } 
      } 
      in.close();
      if (this.Decripted.trim() == "") {
        this.ErrorCode = "9999";
        this.ErrorDescription = "Void String";
        return false;
      } 
      if (!Parsing(this.Decripted))
        return false; 
      return true;
    } catch (MalformedURLException ex) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "Bad URL";
      return false;
    } catch (UnknownServiceException ex) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "Service Exception occurred.";
      return false;
    } catch (IOException ex) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "Bad URL Request";
      return false;
    } 
  }
  
  private boolean Parsing(String StringToBeParsed) {
    int nStart = 0;
    int nEnd = 0;
    this.ErrorCode = "";
    this.ErrorDescription = "";
    try {
      nStart = StringToBeParsed.indexOf("PAY1_UICCODE");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.Currency = StringToBeParsed.substring(nStart + 13, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.Currency = StringToBeParsed.substring(nStart + 13, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_AMOUNT");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.Amount = StringToBeParsed.substring(nStart + 12, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.Amount = StringToBeParsed.substring(nStart + 12, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_SHOPTRANSACTIONID");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.ShopTransactionID = StringToBeParsed.substring(nStart + 23, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.ShopTransactionID = StringToBeParsed.substring(nStart + 23, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_CHNAME");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.BuyerName = StringToBeParsed.substring(nStart + 12, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.BuyerName = StringToBeParsed.substring(nStart + 12, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_CHEMAIL");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.BuyerEmail = StringToBeParsed.substring(nStart + 13, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.BuyerEmail = StringToBeParsed.substring(nStart + 13, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_AUTHORIZATIONCODE");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.AuthorizationCode = StringToBeParsed.substring(nStart + 23, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.AuthorizationCode = StringToBeParsed.substring(nStart + 23, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_ERRORCODE");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.ErrorCode = StringToBeParsed.substring(nStart + 15, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.ErrorCode = StringToBeParsed.substring(nStart + 15, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_ERRORDESCRIPTION");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.ErrorDescription = StringToBeParsed.substring(nStart + 22, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.ErrorDescription = StringToBeParsed.substring(nStart + 22, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_BANKTRANSACTIONID");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.BankTransactionID = StringToBeParsed.substring(nStart + 23, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.BankTransactionID = StringToBeParsed.substring(nStart + 23, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_ALERTCODE");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.AlertCode = StringToBeParsed.substring(nStart + 15, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.AlertCode = StringToBeParsed.substring(nStart + 15, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_ALERTDESCRIPTION");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.AlertDescription = StringToBeParsed.substring(nStart + 22, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.AlertDescription = StringToBeParsed.substring(nStart + 22, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_COUNTRY");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.country = StringToBeParsed.substring(nStart + 13, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.country = StringToBeParsed.substring(nStart + 13, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_VBVRISP");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.vbvrisp = StringToBeParsed.substring(nStart + 13, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.vbvrisp = StringToBeParsed.substring(nStart + 13, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_VBV");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.vbv = StringToBeParsed.substring(nStart + 9, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.vbv = StringToBeParsed.substring(nStart + 9, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_IDLANGUAGE");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.Language = StringToBeParsed.substring(nStart + 16, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.Language = StringToBeParsed.substring(nStart + 16, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      nStart = StringToBeParsed.indexOf("PAY1_TRANSACTIONRESULT");
      if (nStart != -1) {
        nEnd = StringToBeParsed.indexOf(this.separator, nStart);
        if (nEnd == -1) {
          nEnd = StringToBeParsed.length();
          this.TransactionResult = StringToBeParsed.substring(nStart + 23, nEnd);
          if (nStart >= 4) {
            StringToBeParsed = StringToBeParsed.substring(0, nStart - 4);
          } else {
            StringToBeParsed = StringToBeParsed.substring(0, nStart);
          } 
        } else {
          this.TransactionResult = StringToBeParsed.substring(nStart + 23, nEnd);
          StringToBeParsed = StringToBeParsed.substring(0, nStart) + StringToBeParsed.substring(0, nStart);
        } 
      } 
      this.CustomInfo = StringToBeParsed.trim();
    } catch (Exception e) {
      this.ErrorCode = "9999";
      this.ErrorDescription = "Error parsing String";
      return false;
    } 
    return true;
  }
  
  public String URLDecode(String str) throws Exception {
    if (str == null)
      return null; 
    char[] res = new char[str.length()];
    int didx = 0;
    for (int sidx = 0; sidx < str.length(); sidx++) {
      char ch = str.charAt(sidx);
      if (ch == '+') {
        res[didx++] = ' ';
      } else if (ch == '%') {
        try {
          res[didx++] = 
            (char)Integer.parseInt(str.substring(sidx + 1, sidx + 3), 16);
          sidx += 2;
        } catch (NumberFormatException e) {
          didx--;
          res[didx++] = ch;
        } 
      } else {
        res[didx++] = ch;
      } 
    } 
    return String.valueOf(res, 0, didx);
  }
  
  protected boolean controlValues(String str) {
    return (str == null || str.length() == 0);
  }
}