<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0"         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">    <parent>        <artifactId>springboot-demo</artifactId>        <groupId>com.et</groupId>        <version>1.0-SNAPSHOT</version>    </parent>    <modelVersion>4.0.0</modelVersion>
    <artifactId>stripe</artifactId>
    <properties>        <maven.compiler.source>8</maven.compiler.source>        <maven.compiler.target>8</maven.compiler.target>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>
        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-autoconfigure</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-test</artifactId>            <scope>test</scope>        </dependency>        <dependency>            <groupId>com.sparkjava</groupId>            <artifactId>spark-core</artifactId>            <version>2.9.4</version>        </dependency>        <dependency>            <groupId>com.google.code.gson</groupId>            <artifactId>gson</artifactId>            <version>2.9.1</version>        </dependency>        <dependency>            <groupId>org.projectlombok</groupId>            <artifactId>lombok</artifactId>            <version>1.18.20</version>            <scope>provided</scope>        </dependency>        <dependency>            <groupId>com.stripe</groupId>            <artifactId>stripe-java</artifactId>            <version>25.7.0</version>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-thymeleaf</artifactId>        </dependency>    </dependencies></project>

package com.et.stripe.controller;
import com.et.stripe.common.Response;import com.et.stripe.service.StripeService;
import com.stripe.model.Coupon;import org.springframework.beans.factory.annotation.Value;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PostMapping;import org.springframework.web.bind.annotation.ResponseBody;
@Controllerpublic class PaymentController {
    @Value("${stripe.keys.public}")    private String API_PUBLIC_KEY;
    private StripeService stripeService;
    public PaymentController(StripeService stripeService) {        this.stripeService = stripeService;    }
    @GetMapping("/")    public String homepage() {        return "homepage";    }
    @GetMapping("/subscription")    public String subscriptionPage(Model model) {        model.addAttribute("stripePublicKey", API_PUBLIC_KEY);        return "subscription";    }
    @GetMapping("/charge")    public String chargePage(Model model) {        model.addAttribute("stripePublicKey", API_PUBLIC_KEY);        return "charge";    }
    /*========== REST APIs for Handling Payments ===================*/
    @PostMapping("/create-subscription")    public @ResponseBody    Response createSubscription(String email, String token, String plan, String coupon) {        //validate data        if (token == null || plan.isEmpty()) {            return new Response(false, "Stripe payment token is missing. Please, try again later.");        }
        //create customer first        String customerId = stripeService.createCustomer(email, token);
        if (customerId == null) {            return new Response(false, "An error occurred while trying to create a customer.");        }
        //create subscription        String subscriptionId = stripeService.createSubscription(customerId, plan, coupon);        if (subscriptionId == null) {            return new Response(false, "An error occurred while trying to create a subscription.");        }
        // Ideally you should store customerId and subscriptionId along with customer object here.        // These values are required to update or cancel the subscription at later stage.
        return new Response(true, "Success! Your subscription id is " + subscriptionId);    }
    @PostMapping("/cancel-subscription")    public @ResponseBody    Response cancelSubscription(String subscriptionId) {        boolean status = stripeService.cancelSubscription(subscriptionId);        if (!status) {            return new Response(false, "Failed to cancel the subscription. Please, try later.");        }        return new Response(true, "Subscription cancelled successfully.");    }
    @PostMapping("/coupon-validator")    public @ResponseBody    Response couponValidator(String code) {        Coupon coupon = stripeService.retrieveCoupon(code);        if (coupon != null && coupon.getValid()) {            String details = (coupon.getPercentOff() == null ? "$" + (coupon.getAmountOff() / 100) : coupon.getPercentOff() + "%") +                    " OFF " + coupon.getDuration();            return new Response(true, details);        } else {            return new Response(false, "This coupon code is not available. This may be because it has expired or has " +                    "already been applied to your account.");        }    }
    @PostMapping("/create-charge")    public @ResponseBody    Response createCharge(String email, String token) {        //validate data        if (token == null) {            return new Response(false, "Stripe payment token is missing. Please, try again later.");        }
        //create charge        String chargeId = stripeService.createCharge(email, token, 999); //$9.99 USD        if (chargeId == null) {            return new Response(false, "An error occurred while trying to create a charge.");        }
        // You may want to store charge id along with order information
        return new Response(true, "Success! Your charge id is " + chargeId);    }}

package com.et.stripe.service;
import com.stripe.Stripe;import com.stripe.model.Charge;import com.stripe.model.Coupon;import com.stripe.model.Customer;import com.stripe.model.Subscription;import com.stripe.param.SubscriptionCancelParams;import org.springframework.beans.factory.annotation.Value;import org.springframework.stereotype.Service;
import java.util.HashMap;import java.util.Map;
@Servicepublic class StripeService {
    @Value("${stripe.keys.secret}")    private String API_SECRET_KEY;
    public StripeService() {    }
    public String createCustomer(String email, String token) {        String id = null;        try {            Stripe.apiKey = API_SECRET_KEY;            Map<String, Object> customerParams = new HashMap<>();            // add customer unique id here to track them in your web application            customerParams.put("description", "Customer for " + email);            customerParams.put("email", email);
            customerParams.put("source", token); // ^ obtained with Stripe.js            //create a new customer            Customer customer = Customer.create(customerParams);            id = customer.getId();        } catch (Exception ex) {            ex.printStackTrace();        }        return id;    }
    public String createSubscription(String customerId, String plan, String coupon) {        String id = null;        try {            Stripe.apiKey = API_SECRET_KEY;            Map<String, Object> item = new HashMap<>();            item.put("price", plan);
            Map<String, Object> items = new HashMap<>();            items.put("0", item);
            Map<String, Object> params = new HashMap<>();            params.put("customer", customerId);            params.put("items", items);
            //add coupon if available            if (!coupon.isEmpty()) {                params.put("coupon", coupon);            }
            Subscription sub = Subscription.create(params);            id = sub.getId();        } catch (Exception ex) {            ex.printStackTrace();        }        return id;    }
    public boolean cancelSubscription(String subscriptionId) {        boolean status;        try {            Stripe.apiKey = API_SECRET_KEY;            Subscription sub = Subscription.retrieve(subscriptionId);            sub.cancel((SubscriptionCancelParams) null);            status = true;        } catch (Exception ex) {            ex.printStackTrace();            status = false;        }        return status;    }
    public Coupon retrieveCoupon(String code) {        try {            Stripe.apiKey = API_SECRET_KEY;            return Coupon.retrieve(code);        } catch (Exception ex) {            ex.printStackTrace();        }        return null;    }
    public String createCharge(String email, String token, int amount) {        String id = null;        try {            Stripe.apiKey = API_SECRET_KEY;            Map<String, Object> chargeParams = new HashMap<>();            chargeParams.put("amount", amount);            chargeParams.put("currency", "usd");            chargeParams.put("description", "Charge for " + email);            chargeParams.put("source", token); // ^ obtained with Stripe.js
            //create a charge            Charge charge = Charge.create(chargeParams);            id = charge.getId();        } catch (Exception ex) {            ex.printStackTrace();        }        return id;    }
}

<!DOCTYPE html><html xmlns:th="http://www.thymeleaf.org"><head>    <title>Homepage</title>    <!--Bootstrap 4 CSS-->    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <!--Bootstrap 4 JavaScript-->    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script></head><body class="bg-light pt-5">
<!--hero section--><section class="py-5">    <div class="container">        <div class="row">            <div class="col-lg-7 col-md-10 col-12 my-auto mx-auto text-center">                <h1>                    Stripe Payment Examples                </h1>                <p class="lead mb-4">                    What would you like to do?                </p>                <a class="btn btn-primary" th:href="@{/subscription}">Create Recurring Subscription</a>                <a class="btn btn-success" th:href="@{/charge}">Create One-Time Charge</a>                <p class="mt-5 text-muted">                    <small>An example project by <a target="_blank"                                                    th:href="@{https://attacomsian.com}">Atta</a>.</small>                </p>            </div>        </div>    </div></section>
</body></html>

<!DOCTYPE html><html xmlns:th="http://www.thymeleaf.org"><head>    <title>Charge</title>    <!--Bootstrap 4 CSS-->    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <!--Bootstrap 4 JavaScript-->    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
    <!--Stripe JavaScript Library-->    <script src="https://js.stripe.com/v3/"></script></head><body class="bg-light pt-5">
<!--hero section--><section class="py-5">    <div class="container">        <div class="row">            <div class="col-lg-6 col-md-8 col-12 my-auto mx-auto">                <h1>                    Stripe One-Time Charge                </h1>                <p class="lead mb-4">                    Please fill the form below to complete the order payment                </p>                <div class="card mb-4">                    <div class="card-body">                        <h5>Leather Bag</h5>                        <p class="lead">USD 9.99</p>                    </div>                </div>                <form action="#" id="payment-form" method="post">                    <input id="api-key" th:value="${stripePublicKey}" type="hidden">                    <div class="form-group">                        <label class="font-weight-medium" for="card-element">                            Enter credit or debit card below                        </label>                        <div class="w-100" id="card-element">                            <!-- A Stripe Element will be inserted here. -->                        </div>                    </div>                    <div class="form-group">                        <input class="form-control" id="email" name="email"                               placeholder="Email Address" required type="email">                    </div>                    <!-- Used to display Element errors. -->                    <div class="text-danger w-100" id="card-errors" role="alert"></div>                    <div class="form-group pt-2">                        <button class="btn btn-primary btn-block" id="submitButton" type="submit">                            Pay With Your Card                        </button>                        <div class="small text-muted mt-2">                            Pay securely with Stripe. By clicking the button above, you agree                            to our <a href="#" target="_blank">Terms of Service</a>,                            <a href="#" target="_blank">Privacy</a> and                            <a href="#" target="_blank">Refund</a> policies.
                        </div>                    </div>

                </form>                <p class="mt-5 text-muted">                    <small>An example project by <a target="_blank" th:href="@{https://attacomsian.com}">Atta</a>.                    </small>                </p>            </div>        </div>    </div></section>
<!--custom javascript for handling subscription--><script>    $(function () {        var API_KEY = $('#api-key').val();        // Create a Stripe client.        var stripe = Stripe(API_KEY);        // Create an instance of Elements.        var elements = stripe.elements();        // Create an instance of the card Element.        var card = elements.create('card');        // Add an instance of the card Element into the `card-element` <div>.        card.mount('#card-element');        // Handle real-time validation errors from the card Element.        card.addEventListener('change', function (event) {            var displayError = document.getElementById('card-errors');            if (event.error) {                displayError.textContent = event.error.message;            } else {                displayError.textContent = '';            }        });        // Handle form submission.        var form = document.getElementById('payment-form');        form.addEventListener('submit', function (event) {            event.preventDefault();            // handle payment            handlePayments();        });
        //handle card submission        function handlePayments() {            stripe.createToken(card).then(function (result) {                if (result.error) {                    // Inform the user if there was an error.                    var errorElement = document.getElementById('card-errors');                    errorElement.textContent = result.error.message;                } else {                    // Send the token to your server.                    var token = result.token.id;                    var email = $('#email').val();                    $.post(                        "/create-charge",                        {email: email, token: token},                        function (data) {                            alert(data.details);                        }, 'json');                }            });        }    });</script>
</body></html>

<!DOCTYPE html><html xmlns:th="http://www.thymeleaf.org"><head>    <title>Subscription</title>    <!--Bootstrap 4 CSS-->    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <!--Bootstrap 4 JavaScript-->    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
    <!--Stripe JavaScript Library-->    <script src="https://js.stripe.com/v3/"></script></head><body class="bg-light pt-5">
<!--hero section--><section class="py-5">    <div class="container">        <div class="row">            <div class="col-lg-6 col-md-8 col-12 my-auto mx-auto">                <h1>                    Stripe Recurring Subscription                </h1>                <p class="lead mb-4">                    Please fill the form below to complete the payment                </p>                <h5 class="mb-2">Choose your payment plan</h5>                <p class="text-muted">                    60% OFF when you upgrade to annual plan.                </p>                <div class="py-2">                    <div class="custom-control custom-radio">                        <input class="custom-control-input" id="monthly-plan" name="premium-plan" type="radio"                               value="price_1PtRC5KYHXnPEBSj85nrvuKC"/>                        <label class="custom-control-label" for="monthly-plan">                            <strong>Monthly $9.99</strong><br/>                            <small class="text-muted">                                Pay $9.99 every month and get access to all premium features.                            </small>                        </label>                    </div>                    <div class="custom-control custom-radio mt-3">                        <input checked="" class="custom-control-input" id="annually-plan" name="premium-plan"                               type="radio" value="annual-subscription"/>                        <label class="custom-control-label" for="annually-plan">                            <strong>Yearly $49.99</strong>                            <span class="badge badge-primary ml-1">60% OFF</span>                            <br/>                            <small class="text-muted">                                Pay $49.99 every year and get access to all premium features.                            </small>                        </label>                    </div>                </div>                <form action="#" id="payment-form" method="post">                    <input id="api-key" th:value="${stripePublicKey}" type="hidden">                    <div class="form-group">                        <label class="font-weight-medium" for="card-element">                            Enter credit or debit card below                        </label>                        <div class="w-100" id="card-element">                            <!-- A Stripe Element will be inserted here. -->                        </div>                    </div>                    <div class="form-group">                        <input class="form-control" id="email" name="email"                               placeholder="Email Address" required type="email">                    </div>                    <div class="form-group">                        <input class="form-control" id="coupon" name="coupon"                               placeholder="Coupon code (optional)" type="text">                    </div>                    <!-- Used to display Element errors. -->                    <div class="text-danger w-100" id="card-errors" role="alert"></div>                    <div class="form-group pt-2">                        <button class="btn btn-primary btn-block" id="submitButton" type="submit">                            Pay With Your Card                        </button>                        <div class="small text-muted mt-2">                            Pay securely with Stripe. By clicking the button above, you agree                            to our <a href="#" target="_blank">Terms of Service</a>,                            <a href="#" target="_blank">Privacy</a> and                            <a href="#" target="_blank">Refund</a> policies.
                        </div>                    </div>

                </form>                <p class="mt-5 text-muted">                    <small>An example project by <a target="_blank" th:href="@{https://attacomsian.com}">Atta</a>.                    </small>                </p>            </div>        </div>    </div></section>
<!--custom javascript for handling subscription--><script>    $(function () {        var API_KEY = $('#api-key').val();        // Create a Stripe client.        var stripe = Stripe(API_KEY);        // Create an instance of Elements.        var elements = stripe.elements();        // Create an instance of the card Element.        var card = elements.create('card');        // Add an instance of the card Element into the `card-element` <div>.        card.mount('#card-element');        // Handle real-time validation errors from the card Element.        card.addEventListener('change', function (event) {            var displayError = document.getElementById('card-errors');            if (event.error) {                displayError.textContent = event.error.message;            } else {                displayError.textContent = '';            }        });        // Handle form submission.        var form = document.getElementById('payment-form');        form.addEventListener('submit', function (event) {            event.preventDefault();            //validate coupon if any            var code = $('#coupon').val().trim();            if (code.length > 0) {                $.post(                    "/coupon-validator",                    {code: code},                    function (data) {                        if (data.status) {                            handlePayments();                        } else {                            alert(data.details);                        }                    }, 'json');            } else {                handlePayments();            }        });
        //handle card submission        function handlePayments() {            stripe.createToken(card).then(function (result) {                if (result.error) {                    // Inform the user if there was an error.                    var errorElement = document.getElementById('card-errors');                    errorElement.textContent = result.error.message;                } else {                    // Send the token to your server.                    var token = result.token.id;                    var plan = $('input[name="premium-plan"]:checked').val();                    var email = $('#email').val();                    var coupon = $('#coupon').val();                    $.post(                        "/create-subscription",                        {email: email, token: token, plan: plan, coupon: coupon},                        function (data) {                            alert(data.details);                        }, 'json');                }            });        }    });</script>
</body></html>

#Stripe keys - REPLACE WITH ACTUAL KEYSstripe.keys.public=pk_test_xxxxxstripe.keys.secret=sk_test_xxxxx#Don't cache thymeleaf files - FOR TEST PURPOSE ONLYspring.thymeleaf.cache=false