Enterprise Java

J2Pay – Getting Started

Getting started will guide you how to start using J2pay quickly in very simple steps.

Download

J2Pay is available on maven.

<dependency>
        <groupId>com.tranxactive</groupId>
        <artifactId>j2pay</artifactId>
        <version>2.4.0</version>
    </dependency>

You can also download the jar file here

Example

In this example we will execute Purchase and Rebill transactions. First we will get the desired gateway i.e Authorize

Gateway gateway = GatewayFactory.getGateway(AvailableGateways.AUTHORIZE);

Since we are working on test environment we will enable the test mode.

gateway.setTestMode(true);

Next we will ask for the library to show us what are the API paramters for this gateway

JSONObject apiSampleParameters = gateway.getApiSampleParameters();
    System.out.println(apiSampleParameters)
    
    //output
    {"name":"also called api user name / api login id","transactionKey":"the transaction key"}

As we can see in output, library is telling us that Authorize gateway requires two API parameters name and transactionKey. Now we will populate these fields by our merchant values.

apiSampleParameters.put("name", "<your account's user name here>");
    apiSampleParameters.put("transactionKey", "<your account's transaction key here>");

Next we will use Customer and CustomerCard classes to pass the information to purchase method

Customer customer = new Customer();
        
    customer
        .setFirstName("test first name")
        .setLastName("test last name")
        .setCountry(Country.US)
        .setState("TX")
        .setCity("test city")
        .setAddress("test address")
        .setZip("12345")
        .setPhoneNumber("1234567890")
        .setEmail("email@domain.com")
        .setIp("127.0.0.1");
        
    CustomerCard customerCard = new CustomerCard();
    
    customerCard
        .setName("test card name")
        .setNumber("5424000000000015") //Authorize test card
        .setCvv(123)
        .setExpiryMonth("01")
        .setExpiryYear("2022");

Purchase

We are all set to call purchase method

HTTPResponse purchaseResponse = gateway.purchase(apiSampleParameters, customer, customerCard, Currency.USD, 2.5f);

Handling Purchase Response

Now we can check whether the transaction was success or fail.

if(purchaseResponse.isSuccessful()){
        //some code
    }

To print out the full response see below snippet

System.out.println(purchaseResponse.getJSONResponse());
    
    //output
    {
        "lr": {
            "success": true,
            "message": "SUCCESS",
            "transactionId": "3902990127",
            "amount": 45,
            "cardExpiryYear": "2017",
            "cardFirst6": "601160",
            "cardExpiryMonth": "12",
            "maskedCard": "601160******6611",
            "rebillParams": {
                "customerVaultId": "174302554"
            },        
            "voidParams": {
                "transactionId": "3902990127"
            },
            "currencyCode": "USD",
            "cardLast4": "6611",
            "refundParams": {
                "transactionId": "3902990127"
            }
        },
        "gr": { // long gateway response }
    }

Note

Response is defined in great detail in API Responses section. For this example the only thing you should to know is gateway response is divided into two keys.

  1. lr, library response
  2. gr, gateway response

Library response only contains the values that library thinks important for you and could be useful for further actions like refund/void/rebill. Keep in mind library response has already prepared the parameters required for further actions on this transaction. i.e. refund, rebill or void.

Rebill

Remember, we saved the purchase respons in purchaseResponse variable. Below is the code showing how to execute rebill transaction in just two lines.

JSONObject rebillParams = purchaseResponse.getJSONObject("lr").getJSONObject("rebillParams");    
HTTPResponse rebillResponse = gateway.rebill(apiSampleParameters, rebillParams, 50);

Congratulations on complete getting started guide. Please feel free to write us on info@tranxactive.com

You can also see the detailed example here.

Published on Java Code Geeks with permission by Muhhamad Ilyas, partner at our JCG program. See the original article here: Getting Started

Opinions expressed by Java Code Geeks contributors are their own.

Muhammad Ilyas

Muhammad is a senior Software Engineer having expertise in famous programming languages like Java, php, c#, perl. He has also worked on mysql and mongodb. He is a co-founder of J2pay.
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