singleton pattern removal and pre-commit hook

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+repos:
+    -   repo: local
+        hooks:
+            -   id: spotless-apply
+                name: Spotless Code Formatter (Apply)
+                entry: mvn spotless:apply
+                language: system
+                pass_filenames: false
+                stages: [pre-commit]
+                verbose: true
+
+            # some complex rules like missing parentheses in a if, loop statements for a single line are not applied by
+            # mvn spotless:apply so added another check that will block the commit
+            -   id: spotless-check
+                name: Spotless Code Formatter (Check)
+                entry: mvn spotless:check
+                language: system
+                pass_filenames: false
+                stages: [pre-commit]
+                verbose: true

README.md

@@ -1,6 +1,6 @@
 # PhonePe B2B Payment Gateway SDK for Java
 
-[![Maven Central](https://img.shields.io/badge/Maven%20Central-v2.1.7-blue)](https://maven-badges.herokuapp.com/maven-central/com.phonepe/pg-sdk-java)
+[![Maven Central](https://img.shields.io/badge/Maven%20Central-v2.1.8-blue)](https://maven-badges.herokuapp.com/maven-central/com.phonepe/pg-sdk-java)
 ![Java](https://img.shields.io/badge/Java-17%2B-orange)
 [![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
 
@@ -36,7 +36,7 @@ Add the dependency to your project's POM file:
 <dependency>
     <groupId>com.phonepe</groupId>
     <artifactId>pg-sdk-java</artifactId>
-    <version>2.1.7</version>
+    <version>2.1.8</version>
 </dependency>
 ```
 
@@ -46,7 +46,7 @@ Add the following to your project's build.gradle file:
 
 ```gradle
 dependencies {
-    implementation 'com.phonepe:pg-sdk-java:2.1.7'
+    implementation 'com.phonepe:pg-sdk-java:2.1.8'
 }
 ```
 

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.phonepe</groupId>
     <artifactId>pg-sdk-java</artifactId>
-    <version>2.1.7</version>
+    <version>2.1.8</version>
     <name>B2B JAVA SDK</name>
     <url>https://github.com/PhonePe/phonepe-pg-sdk-java</url>
     <description>Phonepe PG JAVA SDK</description>
@@ -97,6 +97,11 @@
             <name>Aditi Billore</name>
             <email>[email protected]</email>
         </developer>
+        <developer>
+            <id>Yogesh-Kamble</id>
+            <name>Yogesh Kamble</name>
+            <email>[email protected]</email>
+        </developer>
     </developers>
 
     <properties>
@@ -133,14 +138,51 @@
     </properties>
 
     <build>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.2.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.4.0</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
                 <version>${spotless.version}</version>
                 <configuration>
                     <ratchetFrom>origin/main</ratchetFrom>
                     <java>
+                        <!-- Eclipse formatter with custom rules -->
+                        <eclipse>
+                            <file>${project.basedir}/formatter.xml</file>
+                            <version>4.26</version>
+                        </eclipse>
                         <includes>
                             <include>src/main/java/**/*.java</include>
                             <include>src/test/java/**/*.java</include>
@@ -170,6 +212,25 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.11</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
         <pluginManagement>
             <plugins>
@@ -316,6 +377,12 @@
                 </repository>
             </distributionManagement>
             <build>
+                <resources>
+                    <resource>
+                        <directory>src/main/resources</directory>
+                        <filtering>true</filtering>
+                    </resource>
+                </resources>
                 <plugins>
                     <plugin>
                         <groupId>org.sonatype.central</groupId>

src/main/java/com/phonepe/sdk/pg/common/constants/Headers.java

@@ -15,15 +15,34 @@
  */
 package com.phonepe.sdk.pg.common.constants;
 
+import java.io.InputStream;
+import java.util.Properties;
 import lombok.experimental.UtilityClass;
+import lombok.extern.slf4j.Slf4j;
 
 @UtilityClass
+@Slf4j
 public class Headers {
 
+    private final Properties properties = new Properties();
+    private final String PROPERTIES_FILE_NAME = "/sdk.properties";
+
+    static {
+        try (InputStream input = Headers.class.getResourceAsStream(PROPERTIES_FILE_NAME)) {
+            if (input == null) {
+                log.error("Could not find {}", PROPERTIES_FILE_NAME);
+            } else {
+                properties.load(input);
+            }
+        } catch (Exception e) {
+            log.error("Failed to load SDK properties: {}", e.getMessage());
+        }
+    }
+
     public static final String API_VERSION = "V2";
-    public static final String SUBSCRIPTION_API_VERSION = "2.1.7";
+    public static final String SUBSCRIPTION_API_VERSION = properties.getProperty("sdk.version");
     public static final String INTEGRATION = "API";
-    public static final String SDK_VERSION = "2.1.7";
+    public static final String SDK_VERSION = properties.getProperty("sdk.version");
     public static final String SDK_TYPE = "BACKEND_JAVA_SDK";
     public static final String SOURCE = "x-source";
     public static final String SOURCE_VERSION = "x-source-version";
@@ -32,4 +51,4 @@ public class Headers {
     public static final String OAUTH_AUTHORIZATION = "Authorization";
     public static final String CONTENT_TYPE = "Content-Type";
     public static final String ACCEPT = "Accept";
-}
+}

src/main/java/com/phonepe/sdk/pg/common/http/HttpCommand.java

@@ -99,7 +99,7 @@ private HttpUrl prepareHttpURL(String url) {
     /**
      * Executes the HTTP request and returns the response.
      *
-     * @return <T> the response object
+     * @return the response object
      */
     @SneakyThrows
     public T execute() {

src/main/java/com/phonepe/sdk/pg/payments/v2/CustomCheckoutClient.java

@@ -42,13 +42,10 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
 import lombok.SneakyThrows;
 
 public class CustomCheckoutClient extends BaseClient {
 
-    private static final ConcurrentHashMap<String, CustomCheckoutClient> cachedInstances =
-            new ConcurrentHashMap<>();
     private List<HttpHeaderPair> headers;
 
     private CustomCheckoutClient(
@@ -102,20 +99,8 @@ public static CustomCheckoutClient getInstance(
             boolean shouldPublishEvents)
             throws PhonePeException {
         final boolean shouldPublishInProd = shouldPublishEvents && env == Env.PRODUCTION;
-        final String requestedClientSHA =
-                CommonUtils.calculateSha256(
-                        clientId,
-                        clientSecret,
-                        clientVersion,
-                        env,
-                        shouldPublishInProd,
-                        FlowType.PG);
-
-        return cachedInstances.computeIfAbsent(
-                requestedClientSHA,
-                key ->
-                        new CustomCheckoutClient(
-                                clientId, clientSecret, clientVersion, env, shouldPublishInProd));
+        return new CustomCheckoutClient(
+                clientId, clientSecret, clientVersion, env, shouldPublishInProd);
     }
 
     /**

src/main/java/com/phonepe/sdk/pg/payments/v2/StandardCheckoutClient.java

@@ -42,14 +42,11 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
 import lombok.SneakyThrows;
 
 /** The StandardCheckout client class provides methods for interacting with the PhonePe APIs. */
 public class StandardCheckoutClient extends BaseClient {
 
-    private static final ConcurrentHashMap<String, StandardCheckoutClient> cachedInstances =
-            new ConcurrentHashMap<>();
     private List<HttpHeaderPair> headers;
 
     private StandardCheckoutClient(
@@ -103,20 +100,8 @@ public static StandardCheckoutClient getInstance(
             boolean shouldPublishEvents)
             throws PhonePeException {
         final boolean shouldPublishInProd = shouldPublishEvents && env == Env.PRODUCTION;
-        final String requestedClientSHA =
-                CommonUtils.calculateSha256(
-                        clientId,
-                        clientSecret,
-                        clientVersion,
-                        env,
-                        shouldPublishInProd,
-                        FlowType.PG_CHECKOUT);
-
-        return cachedInstances.computeIfAbsent(
-                requestedClientSHA,
-                key ->
-                        new StandardCheckoutClient(
-                                clientId, clientSecret, clientVersion, env, shouldPublishInProd));
+        return new StandardCheckoutClient(
+                clientId, clientSecret, clientVersion, env, shouldPublishInProd);
     }
 
     /**

src/main/java/com/phonepe/sdk/pg/payments/v2/models/request/CreateSdkOrderRequest.java

@@ -35,6 +35,7 @@ public class CreateSdkOrderRequest {
     private PaymentFlow paymentFlow;
     private Long expireAfter;
     private List<InstrumentConstraint> constraints;
+    private Boolean disablePaymentRetry;
 
     /**
      * Builds SDK order Request
@@ -54,11 +55,13 @@ public CreateSdkOrderRequest(
             MetaInfo metaInfo,
             String message,
             String redirectUrl,
-            Long expireAfter) {
+            Long expireAfter,
+            Boolean disablePaymentRetry) {
         this.merchantOrderId = merchantOrderId;
         this.amount = amount;
         this.metaInfo = metaInfo;
         this.expireAfter = expireAfter;
+        this.disablePaymentRetry = disablePaymentRetry;
         MerchantUrls merchantUrls = MerchantUrls.builder().redirectUrl(redirectUrl).build();
         this.setPaymentFlow(
                 PgCheckoutPaymentFlow.builder()
@@ -83,12 +86,14 @@ public CreateSdkOrderRequest(
             long amount,
             MetaInfo metaInfo,
             List<InstrumentConstraint> constraints,
-            Long expireAfter) {
+            Long expireAfter,
+            Boolean disablePaymentRetry) {
         this.merchantOrderId = merchantOrderId;
         this.amount = amount;
         this.metaInfo = metaInfo;
         this.expireAfter = expireAfter;
         this.constraints = constraints;
+        this.disablePaymentRetry = disablePaymentRetry;
         this.setPaymentFlow(PgPaymentFlow.builder().build());
     }
 }

src/main/java/com/phonepe/sdk/pg/subscription/v2/SubscriptionClient.java

@@ -41,13 +41,10 @@
 import com.phonepe.sdk.pg.subscription.v2.models.response.SubscriptionStatusResponseV2;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
 import lombok.SneakyThrows;
 
 public class SubscriptionClient extends BaseClient {
 
-    private static final ConcurrentHashMap<String, SubscriptionClient> cachedInstances =
-            new ConcurrentHashMap<>();
     private List<HttpHeaderPair> headers;
 
     private SubscriptionClient(
@@ -102,20 +99,8 @@ public static SubscriptionClient getInstance(
             boolean shouldPublishEvents)
             throws PhonePeException {
         final boolean shouldPublishInProd = shouldPublishEvents && env == Env.PRODUCTION;
-        final String requestedClientSHA =
-                CommonUtils.calculateSha256(
-                        clientId,
-                        clientSecret,
-                        clientVersion,
-                        env,
-                        shouldPublishInProd,
-                        FlowType.SUBSCRIPTION);
-
-        return cachedInstances.computeIfAbsent(
-                requestedClientSHA,
-                key ->
-                        new SubscriptionClient(
-                                clientId, clientSecret, clientVersion, env, shouldPublishInProd));
+        return new SubscriptionClient(
+                clientId, clientSecret, clientVersion, env, shouldPublishInProd);
     }
 
     /**

src/main/resources/sdk.properties

@@ -0,0 +1 @@
+sdk.version=${project.version}