feat: add support for php and java server sdk

advanced-integration/v2/client/html/README.md

@@ -57,12 +57,12 @@ npm install
 
 3. Starting the development server
 
-    - **Start the server**: Follow the instructions in the server's README to start it. Typically, this involves running npm run dev or a similar command in the server directory.
+    - **Start the server**: Follow the instructions in the server's README to start it. Typically, this involves running npm run start or a similar command in the server directory.
 
     - **Start the client**:
 
         ```bash
-            npm run dev
+            npm run start
         ```
 
         This will start the development server, and you should be able to access the Advanced Checkout Page in your browser at `http://localhost:3000` (or the port specfied in the terminal output).

advanced-integration/v2/client/html/vite.config.js

@@ -5,7 +5,7 @@ export default defineConfig({
   plugins: [],
   envDir: "../",
   envPrefix: "PAYPAL",
-  root: "client",
+  root: "src",
   server: {
     port: 3000,
     proxy: {

advanced-integration/v2/client/react/.env.example

@@ -1 +1,4 @@
+# Create an application to obtain credentials at
+# https://developer.paypal.com/dashboard/applications/sandbox
+
 PAYPAL_CLIENT_ID=PAYPAL_CLIENT_ID

advanced-integration/v2/client/react/README.md

@@ -57,12 +57,12 @@ npm install
 
 3. Starting the development server
 
-    - **Start the server**: Follow the instructions in the server's README to start it. Typically, this involves running npm run dev or a similar command in the server directory.
+    - **Start the server**: Follow the instructions in the server's README to start it. Typically, this involves running npm run start or a similar command in the server directory.
 
     - **Start the client**:
 
         ```bash
-            npm run dev
+            npm run start
         ```
 
         This will start the development server, and you should be able to access the Advanced Checkout Page in your browser at `http://localhost:3000` (or the port specfied in the terminal output).

advanced-integration/v2/client/react/vite.config.js

@@ -4,7 +4,7 @@ import react from '@vitejs/plugin-react'
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [react()],
-  root: "client",
+  root: "src",
   envDir: "../",
   envPrefix: "PAYPAL",
   server: {

advanced-integration/v2/server/dotnet/README.md

@@ -6,14 +6,14 @@ PayPal Advanced Integration sample in .NET
 
 1. **Add your API credentials to the environment:**
 
-   - **Windows**
+   - **Windows (powershell)**
 
      ```powershell
      $env:PAYPAL_CLIENT_ID = "<PAYPAL_CLIENT_ID>"
      $env:PAYPAL_CLIENT_SECRET = "<PAYPAL_CLIENT_SECRET>"
      ```
 
-   - **Unix**
+   - **Linux / MacOS**
 
      ```bash
      export PAYPAL_CLIENT_ID="<PAYPAL_CLIENT_ID>"

advanced-integration/v2/server/java/.tool-versions

@@ -0,0 +1 @@
+java zulu-21.36.19

advanced-integration/v2/server/java/README.md

@@ -6,14 +6,14 @@ PayPal Advanced Integration sample in Java
 
 1. Add your API credentials to the environment:
 
-   - **Windows**
+   - **Windows (powershell)**
 
      ```powershell
      $env:PAYPAL_CLIENT_ID = "<PAYPAL_CLIENT_ID>"
      $env:PAYPAL_CLIENT_SECRET = "<PAYPAL_CLIENT_SECRET>"
      ```
 
-   - **Unix**
+   - **Linux / MacOS**
 
      ```bash
      export PAYPAL_CLIENT_ID="<PAYPAL_CLIENT_ID>"

advanced-integration/v2/server/java/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.2</version>
+		<version>3.3.3</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.paypal.sample</groupId>
@@ -33,10 +33,23 @@
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-thymeleaf</artifactId>
+			<version>3.3.3</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
+			<version>3.3.3</version>
+		</dependency>
+		<dependency>
+			<groupId>
+				com.paypal.sdk
+			</groupId>
+			<artifactId>
+				paypal-server-sdk
+			</artifactId>
+			<version>
+				0.5.1
+			</version>
 		</dependency>
 	</dependencies>
 
@@ -45,6 +58,7 @@
 			<plugin>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
+				<version>3.3.3</version>
 			</plugin>
 		</plugins>
 	</build>

advanced-integration/v2/server/java/src/main/java/com/paypal/sample/SampleAppApplication.java

@@ -1,30 +1,37 @@
 package com.paypal.sample;
 
-import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
 
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
-import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
-import org.springframework.util.LinkedMultiValueMap;
-import org.springframework.util.MultiValueMap;
-
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.client.RestTemplate;
 
+import com.paypal.sdk.Environment;
+import com.paypal.sdk.PaypalServerSDKClient;
+import com.paypal.sdk.authentication.ClientCredentialsAuthModel;
+import com.paypal.sdk.controllers.OrdersController;
+import com.paypal.sdk.exceptions.ApiException;
+import com.paypal.sdk.http.response.ApiResponse;
+import com.paypal.sdk.models.AmountWithBreakdown;
+import com.paypal.sdk.models.CheckoutPaymentIntent;
+import com.paypal.sdk.models.Order;
+import com.paypal.sdk.models.OrderRequest;
+import com.paypal.sdk.models.OrdersCaptureInput;
+import com.paypal.sdk.models.OrdersCreateInput;
+import com.paypal.sdk.models.PurchaseUnitRequest;
+import java.util.Arrays;
+import org.slf4j.event.Level;
+
 import java.io.IOException;
-import java.util.Base64;
 import java.util.Map;
 
 @SpringBootApplication
@@ -36,8 +43,6 @@ public class SampleAppApplication {
 	@Value("${PAYPAL_CLIENT_SECRET}")
 	private String PAYPAL_CLIENT_SECRET;
 
-	private final String BASE_URL = "https://api-m.sandbox.paypal.com";
-
 	public static void main(String[] args) {
 		SpringApplication.run(SampleAppApplication.class, args);
 	}
@@ -47,23 +52,41 @@ public RestTemplate restTemplate() {
 		return new RestTemplate();
 	}
 
+	@Bean
+    public PaypalServerSDKClient paypalClient() {
+        return new PaypalServerSDKClient.Builder()
+                .loggingConfig(builder -> builder
+                        .level(Level.DEBUG)
+                        .requestConfig(logConfigBuilder -> logConfigBuilder.body(true))
+                        .responseConfig(logConfigBuilder -> logConfigBuilder.headers(true)))
+                .httpClientConfig(configBuilder -> configBuilder
+                        .timeout(0))
+                .environment(Environment.SANDBOX)
+                .clientCredentialsAuth(new ClientCredentialsAuthModel.Builder(
+                        PAYPAL_CLIENT_ID, 
+                        PAYPAL_CLIENT_SECRET)
+                        .build())
+                .build();
+    }
+
+
 	@Controller
 	@RequestMapping("/")
 	public class CheckoutController {
 
-		private final RestTemplate restTemplate;
 		private final ObjectMapper objectMapper;
+		private final PaypalServerSDKClient client;
 
-		public CheckoutController(RestTemplate restTemplate, ObjectMapper objectMapper) {
-			this.restTemplate = restTemplate;
+		public CheckoutController(ObjectMapper objectMapper, PaypalServerSDKClient client) {
 			this.objectMapper = objectMapper;
+			this.client = client;
 		}
 
 		@PostMapping("/api/orders")
-		public ResponseEntity<JsonNode> createOrder(@RequestBody Map<String, Object> request) {
+		public ResponseEntity<Order> createOrder(@RequestBody Map<String, Object> request) {
 			try {
 				String cart = objectMapper.writeValueAsString(request.get("cart"));
-				JsonNode response = createOrder(cart);
+				Order response = createOrder(cart);
 				return new ResponseEntity<>(response, HttpStatus.OK);
 			} catch (Exception e) {
 				e.printStackTrace();
@@ -72,69 +95,47 @@ public ResponseEntity<JsonNode> createOrder(@RequestBody Map<String, Object> req
 		}
 
 		@PostMapping("/api/orders/{orderID}/capture")
-		public ResponseEntity<JsonNode> captureOrder(@PathVariable String orderID) {
+		public ResponseEntity<Order> captureOrder(@PathVariable String orderID) {
 			try {
-				JsonNode response = captureOrders(orderID);
-				return new ResponseEntity<>(response, HttpStatus.OK);
+				Order response = captureOrders(orderID);
+				return new ResponseEntity<Order>(response, HttpStatus.OK);
 			} catch (Exception e) {
 				e.printStackTrace();
 				return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
 			}
 		}
 
-		private String generateAccessToken() throws IOException {
-			if (PAYPAL_CLIENT_ID == null || PAYPAL_CLIENT_SECRET == null) {
-				throw new IllegalArgumentException("MISSING_API_CREDENTIALS");
-			}
-			String auth = Base64.getEncoder().encodeToString((PAYPAL_CLIENT_ID + ":" + PAYPAL_CLIENT_SECRET).getBytes());
-			HttpHeaders headers = new HttpHeaders();
-			headers.setBasicAuth(auth);
-			headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
-
-			MultiValueMap<String, String> body = new LinkedMultiValueMap<>();
-			body.add("grant_type", "client_credentials");
-
-			ResponseEntity<JsonNode> response = restTemplate.postForEntity(BASE_URL + "/v1/oauth2/token", new HttpEntity<>(body, headers), JsonNode.class);
-			return response.getBody().get("access_token").asText();
-		}
-
-		private JsonNode createOrder(String cart) throws IOException {
-			String accessToken = generateAccessToken();
-			String url = BASE_URL + "/v2/checkout/orders";
+		private Order createOrder(String cart) throws IOException, ApiException {
 
-			ObjectNode payload = objectMapper.createObjectNode();
-			payload.put("intent", "CAPTURE");
-			ObjectNode purchaseUnit = payload.putArray("purchase_units").addObject();
-			ObjectNode amount = purchaseUnit.putObject("amount");
-			amount.put("currency_code", "USD");
-			amount.put("value", "100.00");
+			OrdersCreateInput ordersCreateInput = new OrdersCreateInput.Builder(
+					null,
+					new OrderRequest.Builder(
+							CheckoutPaymentIntent.CAPTURE,
+							Arrays.asList(
+									new PurchaseUnitRequest.Builder(
+											new AmountWithBreakdown.Builder(
+													"USD",
+													"100.00")
+													.build())
+											.build()))
+							.build())
+					.build();
 
-			HttpHeaders headers = new HttpHeaders();
-			headers.setBearerAuth(accessToken);
-			headers.setContentType(MediaType.APPLICATION_JSON);
+			OrdersController ordersController = client.getOrdersController();
 
-			ResponseEntity<JsonNode> response = restTemplate.postForEntity(url, new HttpEntity<>(payload, headers), JsonNode.class);
-			return handleResponse(response);
-		}
-
-		private JsonNode captureOrders(String orderID) throws IOException {
-			String accessToken = generateAccessToken();
-			String url = BASE_URL + "/v2/checkout/orders/" + orderID + "/capture";
+			ApiResponse<Order> apiResponse = ordersController.ordersCreate(ordersCreateInput);
 
-			HttpHeaders headers = new HttpHeaders();
-			headers.setBearerAuth(accessToken);
-			headers.setContentType(MediaType.APPLICATION_JSON);
-
-			ResponseEntity<JsonNode> response = restTemplate.postForEntity(url, new HttpEntity<>(headers), JsonNode.class);
-			return handleResponse(response);
+			return apiResponse.getResult();
 		}
 
-		private JsonNode handleResponse(ResponseEntity<JsonNode> response) throws IOException {
-			if (response.getStatusCode().is2xxSuccessful()) {
-				return response.getBody();
-			} else {
-				throw new IOException(response.getBody().toString());
-			}
+		private Order captureOrders(String orderID) throws IOException, ApiException {
+			OrdersCaptureInput ordersCaptureInput = new OrdersCaptureInput.Builder(
+					orderID,
+					null)
+					.build();
+			OrdersController ordersController = client.getOrdersController();
+			ApiResponse<Order> apiResponse = ordersController.ordersCapture(ordersCaptureInput);
+			return apiResponse.getResult();
 		}
 	}
 }

advanced-integration/v2/server/node/README.md

@@ -6,14 +6,14 @@ PayPal Advanced Integration sample in Node.js
 
 1. Add your API credentials to the environment:
 
-   - **Windows**
+   - **Windows (powershell)**
 
      ```powershell
      $env:PAYPAL_CLIENT_ID = "<PAYPAL_CLIENT_ID>"
      $env:PAYPAL_CLIENT_SECRET = "<PAYPAL_CLIENT_SECRET>"
      ```
 
-   - **Unix**
+   - **Linux / MacOS**
 
      ```bash
      export PAYPAL_CLIENT_ID="<PAYPAL_CLIENT_ID>"

advanced-integration/v2/server/node/package.json

@@ -4,14 +4,16 @@
   "private": true,
   "type": "module",
   "dependencies": {
+    "@paypal/paypal-server-sdk": "^0.5.1",
+    "body-parser": "^1.20.3",
     "dotenv": "^16.3.1",
     "express": "^4.18.2",
     "node-fetch": "^3.3.2"
   },
   "scripts": {
-    "server-dev": "nodemon server/server.js",
+    "server-dev": "nodemon server.js",
     "start": "npm run server-dev",
-    "prod": "node server/server.js",
+    "prod": "node server.js",
     "format": "npx prettier --write **/*.{js,jsx,md}",
     "format:check": "npx prettier --check **/*.{js,jsx,md}"
   },