feat(spring-jasper-example): implement bill report generation with JasperReports and add related configurations

Author: igorcampos-dev

spring-jasper-example/README.md

@@ -19,6 +19,7 @@ Includes loading `.jasper` templates, populating them with mock data, and export
 
 ## Profiles you can activate
 
-- **client-list-dev** – Used in Docker, in the future, it will use pre-compiled `.jasper` files instead of `.jrxml`. Activates the internal module that generates a simple client report.
+- **client-list-dev** – Used in Docker, Activates the internal module that generates a simple client report.
 - **client-list-local** – Used locally, activates the internal module that generates a simple client report and use `.jrxml`.
-
+- **bill-dev** – Used in Docker, Activates the internal module that generates a simple bill report.
+- **bill-local** – Used locally, activates the internal module that generates a simple bill report and use `.jrxml`.

spring-jasper-example/src/main/java/com/io/example/base/JasperReader.java

@@ -0,0 +1,37 @@
+package com.io.example.base;
+
+import net.sf.jasperreports.engine.*;
+import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
+import net.sf.jasperreports.engine.util.JRLoader;
+import org.springframework.core.io.ClassPathResource;
+
+import java.io.InputStream;
+import java.util.Collection;
+import java.util.HashMap;
+
+public class JasperReader {
+
+    public static byte[] exportReportJrxmlToPdf(Collection<?> beanCollection, String path){
+        try {
+            InputStream stream = new ClassPathResource(path).getInputStream();
+            JasperReport jasperReport = JasperCompileManager.compileReport(stream);
+            JRBeanCollectionDataSource dataSource = new JRBeanCollectionDataSource(beanCollection);
+            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap<>(), dataSource);
+            return JasperExportManager.exportReportToPdf(jasperPrint);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static byte[] exportReportJasperToPdf(Collection<?> beanCollection, String path){
+        try (InputStream stream = new ClassPathResource(path).getInputStream()) {
+            JasperReport jasperReport = (JasperReport) JRLoader.loadObject(stream);
+            JRBeanCollectionDataSource dataSource = new JRBeanCollectionDataSource(beanCollection);
+            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap<>(), dataSource);
+            return JasperExportManager.exportReportToPdf(jasperPrint);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}

…entList/controller/ReportController.java …ntList/controller/ClientsController.javaspring-jasper-example/src/main/java/com/io/example/clientList/controller/ReportController.java renamed to spring-jasper-example/src/main/java/com/io/example/clientList/controller/ClientsController.java spring-jasper-example/src/main/java/com/io/example/clientList/controller/ReportController.java renamed to spring-jasper-example/src/main/java/com/io/example/clientList/controller/ClientsController.java

@@ -1,6 +1,6 @@
 package com.io.example.clientList.controller;
 
-import com.io.example.clientList.service.ReportService;
+import com.io.example.clientList.service.ClientsReportService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Profile;
 import org.springframework.http.HttpHeaders;
@@ -12,13 +12,13 @@
 @RestController
 @Profile({"client-list-dev", "client-list-local"})
 @RequiredArgsConstructor
-public class ReportController {
+public class ClientsController {
 
-    private final ReportService reportService;
+    private final ClientsReportService clientsReportService;
 
     @GetMapping("/reports/clients")
     public ResponseEntity<byte[]> getClientsReport() {
-        byte[] pdf = this.reportService.generateClientReport();
+        byte[] pdf = this.clientsReportService.generateClientsPdf();
         return ResponseEntity.ok()
                 .header(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=clients.pdf")
                 .contentType(MediaType.APPLICATION_PDF)

spring-jasper-example/src/main/java/com/io/example/clientList/service/ClientsReportDevServiceImpl.java

@@ -0,0 +1,26 @@
+package com.io.example.clientList.service;
+
+import com.io.example.clientList.dto.ClientDto;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Service;
+import java.util.*;
+
+import static com.io.example.base.JasperReader.exportReportJasperToPdf;
+
+@Service
+@Profile({"client-list-dev"})
+public class ClientsReportDevServiceImpl implements ClientsReportService {
+
+    private static final List<ClientDto> clients = Arrays.asList(
+            new ClientDto(1, "Alice", "Brazil"),
+            new ClientDto(2, "Bob", "USA"),
+            new ClientDto(3, "Carlos", "Spain")
+    );
+
+    @Override
+    public byte[] generateClientsPdf() {
+        return exportReportJasperToPdf(clients, "reports/client-list-template.jasper");
+    }
+
+
+}

spring-jasper-example/src/main/java/com/io/example/clientList/service/ClientsReportLocalServiceImpl.java

@@ -0,0 +1,25 @@
+package com.io.example.clientList.service;
+
+import com.io.example.clientList.dto.ClientDto;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Service;
+import java.util.*;
+
+import static com.io.example.base.JasperReader.exportReportJrxmlToPdf;
+
+@Service
+@Profile({"client-list-local"})
+public class ClientsReportLocalServiceImpl implements ClientsReportService {
+
+    private static final List<ClientDto> clients = Arrays.asList(
+            new ClientDto(1, "Alice", "Brazil"),
+            new ClientDto(2, "Bob", "USA"),
+            new ClientDto(3, "Carlos", "Spain")
+    );
+
+    @Override
+    public byte[] generateClientsPdf() {
+        return exportReportJrxmlToPdf(clients, "reports/client-list-template.jrxml");
+    }
+
+}

spring-jasper-example/src/main/java/com/io/example/clientList/service/ClientsReportService.java

@@ -0,0 +1,5 @@
+package com.io.example.clientList.service;
+
+public interface ClientsReportService {
+    byte[] generateClientsPdf();
+}

spring-jasper-example/src/main/java/com/io/example/clientList/service/ReportDevService.java

@@ -0,0 +1,29 @@
+package com.io.example.dataUsageBill.controller;
+
+import com.io.example.clientList.service.ClientsReportService;
+import com.io.example.dataUsageBill.service.BillReportService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Profile;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@Profile({"bill-dev", "bill-local"})
+@RequiredArgsConstructor
+public class BillController {
+
+    private final BillReportService billReportService;
+
+    @GetMapping("/reports/bill")
+    public ResponseEntity<byte[]> getBillData() {
+        byte[] pdf = this.billReportService.generateBillPdf();
+        return ResponseEntity.ok()
+                .header(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=bill.pdf")
+                .contentType(MediaType.APPLICATION_PDF)
+                .body(pdf);
+    }
+
+}