theresasogunle /
Rave-Java-Library
| 1 | |||
| 2 | /* |
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| 3 | * To change this license header, choose License Headers in Project Properties. |
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| 4 | * To change this template file, choose Tools | Templates |
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| 5 | * and open the template in the editor. |
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| 6 | */ |
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| 7 | package com.github.theresasogunle; |
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| 8 | |||
| 9 | import java.nio.charset.StandardCharsets; |
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| 10 | import java.security.MessageDigest; |
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| 11 | import java.util.Arrays; |
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| 12 | import java.util.Base64; |
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| 13 | |||
| 14 | import java.util.HashMap; |
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| 15 | |||
| 16 | /** |
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| 17 | * |
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| 18 | * @author Theresa |
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| 19 | */ |
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| 20 | public class IntegrityChecksum { |
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| 21 | |||
| 22 | RaveConstant key=new RaveConstant(); |
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| 23 | private String amount, payment_method,custom_description; |
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| 24 | private String custom_logo,country,currency,customer_email; |
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| 25 | private String customer_lastname,customer_firstname,customer_phone,txref; |
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| 26 | /** |
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| 27 | * |
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| 28 | * |
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| 29 | * @return String |
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| 30 | * |
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| 31 | */ |
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| 32 | |||
| 33 | |||
| 34 | public String integrityChecksum(){ |
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| 35 | HashMap payload=new HashMap(); |
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| 36 | |||
| 37 | payload.put("PBFPubKey" , RaveConstant.PUBLIC_KEY); |
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| 38 | payload.put("amount" ,this.getAmount()); |
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| 39 | payload.put("payment_method", this.getPayment_method()); |
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| 40 | payload.put("custom_description",this.getCustom_description()); |
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| 41 | payload.put("custom_logo",this.getCustom_logo()); |
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| 42 | payload.put("country", this.getCountry()); |
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| 43 | payload.put("currency", this.getCurrency()); |
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| 44 | payload.put ("customer_email", this.getCustomer_email()); |
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| 45 | payload.put( "customer_firstname", this.getCustomer_firstname()); |
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| 46 | payload.put("customer_lastname", this.getCustomer_lastname()); |
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| 47 | payload.put("customer_phone", this.getCustomer_phone()); |
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| 48 | payload.put( "txref",this.getTxref()); |
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| 49 | |||
| 50 | |||
| 51 | |||
| 52 | Object[] keys=payload.keySet().toArray(); |
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| 53 | Arrays.sort(keys); |
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| 54 | String hashedPayload = ""; |
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| 55 | |||
| 56 | |||
| 57 | for (Object key : keys) { |
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| 58 | hashedPayload+=payload.get(key); |
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| 59 | } |
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| 60 | String hashString = hashedPayload + RaveConstant.SECRET_KEY; |
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| 61 | String hash_string=""; |
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| 62 | |||
| 63 | try{ |
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| 64 | MessageDigest digest = MessageDigest.getInstance("SHA-256"); |
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| 65 | byte[] hash = digest.digest(hashString.getBytes(StandardCharsets.UTF_8)); |
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| 66 | hash_string=Base64.getEncoder().encodeToString(hash); |
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| 67 | // System.out.println(hash_string); |
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| 68 | }catch(Exception ex){} |
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Ignoring an Exception may lead to hard to find bugs. Consider logging or rethrowing the original exception. If you want to throw a different exception, you can set the original exception as its cause to preserve the stacktrace.
When instantiating a new Exception, you can set another Exception as its cause. See the Oracle documentation on Throwables. Usage example throw new Exception("Exception Message", originalException);
Complete Example: class ReThrowException {
public static void throwsException() {
try {
throw new Exception("I am the original exception");
} catch (final Exception e) {
throw new RuntimeException("I am the new exception", e);
}
}
public static void main(String[] args) {
try {
throwsException();
}
catch (final RuntimeException e) {
System.out.println(e.getMessage());
System.out.println("and my cause is: " + e.getCause().getMessage());
e.printStackTrace();
}
}
}
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| 69 | |||
| 70 | return hash_string; |
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| 71 | } |
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| 72 | |||
| 73 | /** |
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| 74 | * @return the amount |
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| 75 | */ |
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| 76 | public String getAmount() { |
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| 77 | return amount; |
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| 78 | } |
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| 79 | |||
| 80 | /** |
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| 81 | * @param amount the amount to set |
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| 82 | * @return IntegrityChecksum |
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| 83 | */ |
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| 84 | public IntegrityChecksum setAmount(String amount) { |
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| 85 | this.amount = amount; |
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| 86 | return this; |
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| 87 | } |
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| 88 | |||
| 89 | /** |
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| 90 | * @return the payment_method |
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| 91 | */ |
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| 92 | public String getPayment_method() { |
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| 93 | return payment_method; |
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| 94 | } |
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| 95 | |||
| 96 | /** |
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| 97 | * @param payment_method the payment_method to set |
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| 98 | * @return IntegrityChecksum |
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| 99 | */ |
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| 100 | public IntegrityChecksum setPayment_method(String payment_method) { |
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| 101 | this.payment_method = payment_method; |
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| 102 | return this; |
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| 103 | } |
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| 104 | |||
| 105 | /** |
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| 106 | * @return the custom_description |
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| 107 | */ |
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| 108 | public String getCustom_description() { |
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| 109 | return custom_description; |
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| 110 | } |
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| 111 | |||
| 112 | /** |
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| 113 | * @param custom_description the custom_description to set |
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| 114 | * @return IntegrityChecksum |
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| 115 | */ |
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| 116 | public IntegrityChecksum setCustom_description(String custom_description) { |
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| 117 | this.custom_description = custom_description; |
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| 118 | return this; |
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| 119 | } |
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| 120 | |||
| 121 | /** |
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| 122 | * @return the custom_logo |
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| 123 | * |
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| 124 | */ |
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| 125 | public String getCustom_logo() { |
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| 126 | return custom_logo; |
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| 127 | } |
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| 128 | |||
| 129 | /** |
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| 130 | * @param custom_logo the custom_logo to set |
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| 131 | * @return IntegrityChecksum |
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| 132 | */ |
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| 133 | public IntegrityChecksum setCustom_logo(String custom_logo) { |
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| 134 | this.custom_logo = custom_logo; |
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| 135 | return this; |
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| 136 | } |
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| 137 | |||
| 138 | /** |
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| 139 | * @return the country |
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| 140 | */ |
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| 141 | public String getCountry() { |
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| 142 | return country; |
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| 143 | } |
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| 144 | |||
| 145 | /** |
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| 146 | * @param country the country to set |
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| 147 | * @return IntegrityChecksum |
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| 148 | */ |
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| 149 | public IntegrityChecksum setCountry(String country) { |
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| 150 | this.country = country; |
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| 151 | return this; |
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| 152 | } |
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| 153 | |||
| 154 | /** |
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| 155 | * @return the currency |
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| 156 | */ |
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| 157 | public String getCurrency() { |
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| 158 | return currency; |
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| 159 | } |
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| 160 | |||
| 161 | /** |
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| 162 | * @param currency the currency to set |
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| 163 | * @return IntegrityChecksum |
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| 164 | */ |
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| 165 | public IntegrityChecksum setCurrency(String currency) { |
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| 166 | this.currency = currency; |
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| 167 | return this; |
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| 168 | } |
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| 169 | |||
| 170 | /** |
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| 171 | * @return the customer_email |
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| 172 | */ |
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| 173 | public String getCustomer_email() { |
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| 174 | return customer_email; |
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| 175 | } |
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| 176 | |||
| 177 | /** |
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| 178 | * @param customer_email the customer_email to set |
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| 179 | * @return IntegrityChecksum |
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| 180 | */ |
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| 181 | public IntegrityChecksum setCustomer_email(String customer_email) { |
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| 182 | this.customer_email = customer_email; |
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| 183 | return this; |
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| 184 | } |
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| 185 | |||
| 186 | /** |
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| 187 | * @return the customer_lastname |
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| 188 | */ |
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| 189 | public String getCustomer_lastname() { |
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| 190 | return customer_lastname; |
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| 191 | } |
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| 192 | |||
| 193 | /** |
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| 194 | * @param customer_lastname the customer_lastname to set |
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| 195 | * @return IntegrityChecksum |
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| 196 | */ |
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| 197 | public IntegrityChecksum setCustomer_lastname(String customer_lastname) { |
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| 198 | this.customer_lastname = customer_lastname; |
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| 199 | return this; |
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| 200 | } |
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| 201 | |||
| 202 | /** |
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| 203 | * @return the customer_firstname |
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| 204 | */ |
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| 205 | public String getCustomer_firstname() { |
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| 206 | return customer_firstname; |
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| 207 | } |
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| 208 | |||
| 209 | /** |
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| 210 | * @param customer_firstname the customer_firstname to set |
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| 211 | * @return IntegrityChecksum |
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| 212 | */ |
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| 213 | public IntegrityChecksum setCustomer_firstname(String customer_firstname) { |
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| 214 | this.customer_firstname = customer_firstname; |
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| 215 | return this; |
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| 216 | } |
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| 217 | |||
| 218 | /** |
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| 219 | * @return the customer_phone |
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| 220 | */ |
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| 221 | public String getCustomer_phone() { |
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| 222 | return customer_phone; |
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| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * @param customer_phone the customer_phone to set |
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| 227 | * @return IntegrityChecksum |
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| 228 | */ |
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| 229 | public IntegrityChecksum setCustomer_phone(String customer_phone) { |
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| 230 | this.customer_phone = customer_phone; |
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| 231 | return this; |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * @return the txref |
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| 236 | */ |
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| 237 | public String getTxref() { |
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| 238 | return txref; |
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| 239 | } |
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| 240 | |||
| 241 | /** |
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| 242 | * @param txref the txref to set |
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| 243 | * @return IntegrityChecksum |
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| 244 | */ |
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| 245 | public IntegrityChecksum setTxref(String txref) { |
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| 246 | this.txref = txref; |
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| 247 | return this; |
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| 248 | } |
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| 249 | |||
| 250 | |||
| 251 | } |
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| 252 |