first commit

src/main/java/com/billpaymentservice/bbps/BbpsApplication.java

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+package com.billpaymentservice.bbps;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableAsync;
+
+@SpringBootApplication
+@EnableAsync
+public class BbpsApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(BbpsApplication.class, args);
+		 
+	}
+
+}

src/main/java/com/billpaymentservice/bbps/ServletInitializer.java

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+package com.billpaymentservice.bbps;
+
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
+
+public class ServletInitializer extends SpringBootServletInitializer {
+
+	@Override
+	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
+		return application.sources(BbpsApplication.class);
+	}
+
+}

src/main/java/com/billpaymentservice/bbps/audit/Auditable.java

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+package com.billpaymentservice.bbps.audit;
+
+import java.io.Serializable;
+import java.util.Date; 
+
+import org.springframework.data.annotation.CreatedBy;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedBy;
+import org.springframework.data.annotation.LastModifiedDate;
+ 
+
+import jakarta.persistence.Column;
+
+import jakarta.persistence.MappedSuperclass;
+import jakarta.persistence.Temporal;
+import jakarta.persistence.TemporalType;
+import lombok.Data;
+
+@Data
+@MappedSuperclass
+public abstract class Auditable<U> implements Serializable {
+	private static final long serialVersionUID = 1L;
+
+	@CreatedDate
+	@Temporal(TemporalType.TIMESTAMP)
+	@Column(name = "create_date_time")
+	protected Date createDateTime;
+
+	@LastModifiedDate
+	@Temporal(TemporalType.TIMESTAMP)
+	@Column(name = "updated_date_time")
+	protected Date updatedDateTime;
+
+	@LastModifiedBy
+	@Column(name = "updated_by")
+	protected U updatedBy;
+
+	@CreatedBy
+	@Column(name = "create_by")
+	protected U createdBy;
+
+	@Column(name = "is_deleted")
+	protected boolean isDeleted = false;
+}

src/main/java/com/billpaymentservice/bbps/config/CertificateConfig.java

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+package com.billpaymentservice.bbps.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Service;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Service
+@ConfigurationProperties(prefix = "certificate")
+@Getter
+@Setter
+public class CertificateConfig {
+    private String path;
+    private String password;
+
+}

src/main/java/com/billpaymentservice/bbps/config/RestTemplateConfig.java

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+package com.billpaymentservice.bbps.config;
+
+import org.apache.hc.client5.http.config.RequestConfig;
+import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
+import org.apache.hc.client5.http.impl.classic.HttpClients;
+import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;
+import org.apache.hc.core5.util.TimeValue;
+import org.apache.hc.core5.util.Timeout;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        // ✅ Timeout config
+        RequestConfig requestConfig = RequestConfig.custom()
+                .setConnectionRequestTimeout(Timeout.ofSeconds(5)) // pool wait
+                .setConnectTimeout(Timeout.ofSeconds(5))           // TCP connect
+                .setResponseTimeout(Timeout.ofSeconds(10))         // response read
+                .build();
+
+        // ✅ Connection pool manager (HttpClient5 style)
+        var connManager = PoolingHttpClientConnectionManagerBuilder.create()
+                .setMaxConnTotal(200)
+                .setMaxConnPerRoute(50)
+                .build();
+
+        // ✅ Build HttpClient
+        CloseableHttpClient httpClient = HttpClients.custom()
+                .setDefaultRequestConfig(requestConfig)
+                .setConnectionManager(connManager)
+                .disableAutomaticRetries()
+                .evictExpiredConnections()
+                .evictIdleConnections(TimeValue.ofSeconds(30))
+                .build();
+
+        // ✅ Bind RestTemplate with HttpClient
+        HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(httpClient);
+        factory.setBufferRequestBody(true); 
+
+        return new RestTemplate(factory);
+    }
+}

src/main/java/com/billpaymentservice/bbps/controller/MasterDataController.java

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+package com.billpaymentservice.bbps.controller;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
+import com.billpaymentservice.bbps.service.MasterDataService;
+
+@RestController
+public class MasterDataController {
+
+    private final MasterDataService masterDataService;
+
+    public MasterDataController(MasterDataService masterDataService) {
+        this.masterDataService = masterDataService;
+    }
+
+    @PostMapping("/getBillerById")
+    public String getBillerById(@RequestBody BillerDetailRequest billerRequestRequest) {
+        masterDataService.getBillerByBillerId(billerRequestRequest);
+        return "Abc";
+    }
+}

src/main/java/com/billpaymentservice/bbps/dto/Detail.java

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+package com.billpaymentservice.bbps.dto;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class Detail {
+	
+   private String name;
+   private String value;
+}

src/main/java/com/billpaymentservice/bbps/dto/DeviceDetail.java

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+package com.billpaymentservice.bbps.dto;
+import java.util.List;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class DeviceDetail {
+	
+	private List<Detail> detail;
+
+}

src/main/java/com/billpaymentservice/bbps/dto/request/BillerDetailRequest.java

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+package com.billpaymentservice.bbps.dto.request;
+
+import com.billpaymentservice.bbps.entites.BaseClass;
+
+public class BillerDetailRequest extends BaseClass{
+     
+	private String billerId;
+	
+}

src/main/java/com/billpaymentservice/bbps/dto/response/BillerDataResponse.java

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+package com.billpaymentservice.bbps.dto.response;
+
+public class BillerDataResponse {
+
+}

src/main/java/com/billpaymentservice/bbps/entites/BaseClass.java

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+package com.billpaymentservice.bbps.entites;
+
+import com.billpaymentservice.bbps.dto.DeviceDetail;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor 
+@NoArgsConstructor
+public class BaseClass {
+	
+	    private String mid;
+	    private String secretKey;
+	    private String txnId;
+	    private DeviceDetail deviceDetial;
+
+}

src/main/java/com/billpaymentservice/bbps/exception/CustomException.java

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+package com.billpaymentservice.bbps.exception;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class CustomException extends RuntimeException {
+
+	 
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	String message;
+	public CustomException(  String message) {
+		super();
+		 
+		this.message = message;
+	}
+}

src/main/java/com/billpaymentservice/bbps/exception/GlobalExceptionHandler.java

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+package com.billpaymentservice.bbps.exception;
+ 
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+
+
+
+}

src/main/java/com/billpaymentservice/bbps/service/MasterDataService.java

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+package com.billpaymentservice.bbps.service;
+
+import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
+import com.billpaymentservice.bbps.dto.response.BillerDataResponse;
+
+public interface MasterDataService {
+
+	public BillerDataResponse getBillerByBillerId(BillerDetailRequest billerDetailRequest);
+	
+}

src/main/java/com/billpaymentservice/bbps/serviceImpl/MasterDataServiceImpl.java

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+package com.billpaymentservice.bbps.serviceImpl;
+
+import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
+import com.billpaymentservice.bbps.dto.response.BillerDataResponse;
+import com.billpaymentservice.bbps.service.MasterDataService;
+
+public class MasterDataServiceImpl implements MasterDataService  {
+
+	@Override
+	public BillerDataResponse getBillerByBillerId(BillerDetailRequest billerDetailRequest) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+}

src/main/java/com/billpaymentservice/bbps/util/BBPSConstant.java

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+package com.billpaymentservice.bbps.util;
+
+public class BBPSConstant {
+
+}

src/main/resources/application.properties

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+spring.application.name=bbps
+
+# JPA & Hibernate
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
+
+# DataSource
+spring.datasource.url=jdbc:postgresql://localhost:5432/personalPractice
+spring.datasource.username=postgres
+spring.datasource.password=Admin123
+spring.datasource.driver-class-name=org.postgresql.Driver
+spring.datasource.type=com.zaxxer.hikari.HikariDataSource
+
+# HikariCP settings
+spring.datasource.hikari.connection-timeout=10000
+spring.datasource.hikari.minimum-idle=10
+spring.datasource.hikari.maximum-pool-size=50
+spring.datasource.hikari.idle-timeout=2000000
+spring.datasource.hikari.max-lifetime=110000
+spring.datasource.hikari.auto-commit=true
+
+# Server port
+server.port=8086
+
+# Logging levels
+logging.level.io.github.resilience4j.retry=DEBUG
+
+# Certificate
+certificate.path=D:/Switch Document/rbl_lincpay/rbl_lincpay.pfx
+certificate.password=lincpay
+
+# NPCI URLs
+npci.respPay.url=https://globalcertzone.npci.org.in:443/imps/RespPay/2.0/urn:txnid:
+npci.respChkTxn.url=https://globalcertzone.npci.org.in:443/imps/RespChkTxn/2.0/urn:txnid:
+npci.respValAdd.url=https://globalcertzone.npci.org.in:443/imps/RespValAdd/2.0/urn:txnid:
+npci.ack.schemas=src/main/resources/schemas/imps_ack.xsd
+
+# Resilience4j Retry
+resilience4j.retry.instances.callbackService.max-attempts=1
+resilience4j.retry.instances.callbackService.wait-duration=2s

src/main/resources/schemas/imps_ack.xsd

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+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           targetNamespace="http://npci.org/upi/schema/"
+           xmlns:ns2="http://npci.org/upi/schema/"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified">
+
+    <!-- Root element -->
+    <xs:element name="Ack">
+        <xs:complexType>
+            <!-- Attributes of Ack -->
+            <xs:attribute name="api" use="required">
+                <xs:simpleType>
+                    <xs:restriction base="xs:string">
+                        <!-- Allowed API values -->
+                        <xs:enumeration value="ReqPay"/>
+                        <xs:enumeration value="ReqChkTxn"/>
+                        <xs:enumeration value="ReqValAdd"/>
+                        <xs:enumeration value="ReqListAccPvd"/>
+                    </xs:restriction>
+                </xs:simpleType>
+            </xs:attribute>
+
+            <xs:attribute name="reqMsgId" type="xs:string" use="required"/>
+            <xs:attribute name="ts" type="xs:string" use="required"/>
+        </xs:complexType>
+    </xs:element>
+
+</xs:schema>

src/test/java/com/lincpay/bbps/BbpsApplicationTests.java

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+package com.lincpay.bbps;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class BbpsApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}