BAEL-20869 Move remaining spring boot modules

2020-02-02 20:44:54 +01:00
parent 3e26f588fc
commit 06161e1bae
704 changed files with 1303 additions and 1501 deletions
@@ -0,0 +1,17 @@
+package com.baeldung.changeport;
+
+import java.util.Collections;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CustomApplication {
+
+    public static void main(String[] args) {
+        SpringApplication app = new SpringApplication(CustomApplication.class);
+        app.setDefaultProperties(Collections.singletonMap("server.port", "8083"));
+        app.run(args);
+    }
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.changeport;
+
+import org.springframework.boot.web.server.ConfigurableWebServerFactory;
+import org.springframework.boot.web.server.WebServerFactoryCustomizer;
+import org.springframework.stereotype.Component;
+
+//@Component
+public class ServerPortCustomizer implements WebServerFactoryCustomizer<ConfigurableWebServerFactory> {
+
+    @Override
+    public void customize(ConfigurableWebServerFactory factory) {
+        factory.setPort(8086);
+    }
+
+}
@@ -0,0 +1,18 @@
+package com.baeldung.cors;
+
+public class Account {
+    private Long id;
+
+    public Account(Long id) {
+        this.id = id;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+    
+}
@@ -0,0 +1,24 @@
+package com.baeldung.cors;
+
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+@CrossOrigin(maxAge = 3600)
+@RestController
+@RequestMapping("/account")
+public class AccountController {
+
+    @CrossOrigin("http://example.com")
+    @RequestMapping("/{id}")
+    public Account retrieve(@PathVariable Long id) {
+        return new Account(id);
+    }
+
+    @RequestMapping(method = RequestMethod.DELETE, path = "/{id}")
+    public void remove(@PathVariable Long id) {
+        // ...
+    }
+}
@@ -0,0 +1,30 @@
+package com.baeldung.restart;
+
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+
+@SpringBootApplication
+public class Application extends SpringBootServletInitializer {   
+
+    private static ConfigurableApplicationContext context;
+
+    public static void main(String[] args) {
+        context = SpringApplication.run(Application.class, args);
+    }
+
+    public static void restart() {
+        ApplicationArguments args = context.getBean(ApplicationArguments.class);
+
+        Thread thread = new Thread(() -> {
+            context.close();
+            context = SpringApplication.run(Application.class, args.getSourceArgs());
+        });
+
+        thread.setDaemon(false);
+        thread.start();
+    }
+
+}
@@ -0,0 +1,23 @@
+package com.baeldung.restart;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class RestartController {
+    
+    @Autowired
+    private RestartService restartService;
+    
+    @PostMapping("/restart")
+    public void restart() {
+        Application.restart();
+    }
+    
+    @PostMapping("/restartApp")
+    public void restartUsingActuator() {
+        restartService.restartApp();
+    }
+    
+}
@@ -0,0 +1,17 @@
+package com.baeldung.restart;
+
+import org.springframework.stereotype.Service;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.context.restart.RestartEndpoint;
+
+@Service
+public class RestartService {
+    
+    @Autowired
+    private RestartEndpoint restartEndpoint;
+    
+    public void restartApp() {
+        restartEndpoint.restart();
+    }
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.sampleapp.config;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@EnableAutoConfiguration
+@ComponentScan("com.baeldung.sampleapp")
+public class MainApplication implements WebMvcConfigurer {
+
+    public static void main(final String[] args) {
+        SpringApplication.run(MainApplication.class, args);
+    }
+}
@@ -0,0 +1,29 @@
+package com.baeldung.sampleapp.config;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.util.CollectionUtils;
+import org.springframework.web.client.RestTemplate;
+
+import com.baeldung.sampleapp.interceptors.RestTemplateHeaderModifierInterceptor;
+
+@Configuration
+public class RestClientConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        RestTemplate restTemplate = new RestTemplate();
+
+        List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
+        if (CollectionUtils.isEmpty(interceptors)) {
+            interceptors = new ArrayList<ClientHttpRequestInterceptor>();
+        }
+        interceptors.add(new RestTemplateHeaderModifierInterceptor());
+        restTemplate.setInterceptors(interceptors);
+        return restTemplate;
+    }
+}
@@ -0,0 +1,42 @@
+package com.baeldung.sampleapp.config;
+
+import java.text.SimpleDateFormat;
+import java.util.List;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/*
+ * Please note that main web configuration is in src/main/webapp/WEB-INF/api-servlet.xml
+ */
+@Configuration
+@EnableWebMvc
+@ComponentScan({ "com.baeldung.sampleapp.web" })
+public class WebConfig implements WebMvcConfigurer {
+
+    public WebConfig() {
+        super();
+    }
+
+    /*
+    @Override
+    public void configureMessageConverters(final List<HttpMessageConverter<?>> messageConverters) {
+        final Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder();
+        builder.indentOutput(true)
+            .dateFormat(new SimpleDateFormat("dd-MM-yyyy hh:mm"));
+        messageConverters.add(new MappingJackson2HttpMessageConverter(builder.build()));
+        // messageConverters.add(new MappingJackson2XmlHttpMessageConverter(builder.createXmlMapper(true).build()));
+
+        // messageConverters.add(new MappingJackson2HttpMessageConverter());
+    
+        // messageConverters.add(new ProtobufHttpMessageConverter());
+    
+    }
+    
+    */
+}
@@ -0,0 +1,18 @@
+package com.baeldung.sampleapp.interceptors;
+
+import java.io.IOException;
+
+import org.springframework.http.HttpRequest;
+import org.springframework.http.client.ClientHttpRequestExecution;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.http.client.ClientHttpResponse;
+
+public class RestTemplateHeaderModifierInterceptor implements ClientHttpRequestInterceptor {
+
+    @Override
+    public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
+        ClientHttpResponse response = execution.execute(request, body); 
+        response.getHeaders().add("Foo", "bar");
+        return response;
+    }
+}
@@ -0,0 +1,28 @@
+package com.baeldung.sampleapp.repository;
+
+import java.util.Map;
+
+import com.baeldung.sampleapp.web.dto.HeavyResource;
+import com.baeldung.sampleapp.web.dto.HeavyResourceAddressOnly;
+
+public class HeavyResourceRepository {
+
+    public void save(HeavyResource heavyResource) {
+    }
+
+    public void save(HeavyResourceAddressOnly partialUpdate) {
+
+    }
+
+    public void save(Map<String, Object> updates, String id) {
+
+    }
+
+    public void save(HeavyResource heavyResource, String id) {
+
+    }
+
+    public void save(HeavyResourceAddressOnly partialUpdate, String id) {
+
+    }
+}
@@ -0,0 +1,47 @@
+package com.baeldung.sampleapp.web.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+@RequestMapping(value = "/ex")
+public class BarMappingExamplesController {
+
+    public BarMappingExamplesController() {
+        super();
+    }
+
+    // API
+
+    // with @RequestParam
+
+    @RequestMapping(value = "/bars")
+    @ResponseBody
+    public String getBarBySimplePathWithRequestParam(@RequestParam("id") final long id) {
+        return "Get a specific Bar with id=" + id;
+    }
+
+    @RequestMapping(value = "/bars", params = "id")
+    @ResponseBody
+    public String getBarBySimplePathWithExplicitRequestParam(@RequestParam("id") final long id) {
+        return "Get a specific Bar with id=" + id;
+    }
+
+    @RequestMapping(value = "/bars", params = { "id", "second" })
+    @ResponseBody
+    public String getBarBySimplePathWithExplicitRequestParams(@RequestParam("id") final long id) {
+        return "Get a specific Bar with id=" + id;
+    }
+
+    // with @PathVariable
+
+    @RequestMapping(value = "/bars/{numericId:[\\d]+}")
+    @ResponseBody
+    public String getBarsBySimplePathWithPathVariable(@PathVariable final long numericId) {
+        return "Get a specific Bar with id=" + numericId;
+    }
+
+}
@@ -0,0 +1,17 @@
+package com.baeldung.sampleapp.web.controller;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.sampleapp.web.dto.Company;
+
+@RestController
+public class CompanyController {
+
+    @RequestMapping(value = "/companyRest", produces = MediaType.APPLICATION_JSON_VALUE)
+    public Company getCompanyRest() {
+        final Company company = new Company(1, "Xpto");
+        return company;
+    }
+}
@@ -0,0 +1,85 @@
+package com.baeldung.sampleapp.web.controller;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.context.request.async.DeferredResult;
+
+@RestController
+public class DeferredResultController {
+
+    private final static Logger LOG = LoggerFactory.getLogger(DeferredResultController.class);
+
+    @GetMapping("/async-deferredresult")
+    public DeferredResult<ResponseEntity<?>> handleReqDefResult(Model model) {
+        LOG.info("Received request");
+        DeferredResult<ResponseEntity<?>> deferredResult = new DeferredResult<>();
+
+        deferredResult.onCompletion(() -> LOG.info("Processing complete"));
+
+        CompletableFuture.supplyAsync(() -> {
+            LOG.info("Processing in separate thread");
+            try {
+                Thread.sleep(6000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            return "OK";
+        })
+            .whenCompleteAsync((result, exc) -> deferredResult.setResult(ResponseEntity.ok(result)));
+
+        LOG.info("Servlet thread freed");
+        return deferredResult;
+    }
+
+    @GetMapping("/process-blocking")
+    public ResponseEntity<?> handleReqSync(Model model) {
+        // ...
+        return ResponseEntity.ok("ok");
+    }
+
+    @GetMapping("/async-deferredresult-timeout")
+    public DeferredResult<ResponseEntity<?>> handleReqWithTimeouts(Model model) {
+        LOG.info("Received async request with a configured timeout");
+        DeferredResult<ResponseEntity<?>> deferredResult = new DeferredResult<>(500l);
+        deferredResult.onTimeout(() -> deferredResult.setErrorResult(ResponseEntity.status(HttpStatus.REQUEST_TIMEOUT)
+            .body("Request timeout occurred.")));
+
+        CompletableFuture.supplyAsync(() -> {
+            LOG.info("Processing in separate thread");
+            try {
+                Thread.sleep(6000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            return "error";
+        })
+            .whenCompleteAsync((result, exc) -> deferredResult.setResult(ResponseEntity.ok(result)));
+        LOG.info("servlet thread freed");
+        return deferredResult;
+    }
+
+    @GetMapping("/async-deferredresult-error")
+    public DeferredResult<ResponseEntity<?>> handleAsyncFailedRequest(Model model) {
+        LOG.info("Received async request with a configured error handler");
+        DeferredResult<ResponseEntity<?>> deferredResult = new DeferredResult<>();
+        deferredResult.onError(new Consumer<Throwable>() {
+            @Override
+            public void accept(Throwable t) {
+                deferredResult.setErrorResult(ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body("An error occurred."));
+            }
+
+        });
+        LOG.info("servlet thread freed");
+        return deferredResult;
+    }
+
+}
@@ -0,0 +1,42 @@
+package com.baeldung.sampleapp.web.controller;
+
+
+import java.util.Map;
+
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.sampleapp.repository.HeavyResourceRepository;
+import com.baeldung.sampleapp.web.dto.HeavyResource;
+import com.baeldung.sampleapp.web.dto.HeavyResourceAddressOnly;
+
+@RestController
+public class HeavyResourceController {
+
+    private HeavyResourceRepository heavyResourceRepository = new HeavyResourceRepository();
+
+    @RequestMapping(value = "/heavyresource/{id}", method = RequestMethod.PUT, consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<?> saveResource(@RequestBody HeavyResource heavyResource, @PathVariable("id") String id) {
+        heavyResourceRepository.save(heavyResource, id);
+        return ResponseEntity.ok("resource saved");
+    }
+
+    @RequestMapping(value = "/heavyresource/{id}", method = RequestMethod.PATCH, consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<?> partialUpdateName(@RequestBody HeavyResourceAddressOnly partialUpdate, @PathVariable("id") String id) {
+        heavyResourceRepository.save(partialUpdate, id);
+        return ResponseEntity.ok("resource address updated");
+    }
+
+    @RequestMapping(value = "/heavyresource2/{id}", method = RequestMethod.PATCH, consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<?> partialUpdateGeneric(@RequestBody Map<String, Object> updates,
+                                                  @PathVariable("id") String id) {
+        heavyResourceRepository.save(updates, id);
+        return ResponseEntity.ok("resource updated");
+    }
+
+}
@@ -0,0 +1,39 @@
+package com.baeldung.sampleapp.web.controller;
+
+import java.util.Date;
+
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.sampleapp.web.dto.Item;
+import com.baeldung.sampleapp.web.dto.ItemManager;
+import com.baeldung.sampleapp.web.dto.Views;
+import com.fasterxml.jackson.annotation.JsonView;
+
+@RestController
+public class ItemController {
+
+    @JsonView(Views.Public.class)
+    @RequestMapping("/items/{id}")
+    public Item getItemPublic(@PathVariable final int id) {
+        return ItemManager.getById(id);
+    }
+
+    @JsonView(Views.Internal.class)
+    @RequestMapping("/items/internal/{id}")
+    public Item getItemInternal(@PathVariable final int id) {
+        return ItemManager.getById(id);
+    }
+
+    @RequestMapping("/date")
+    public Date getCurrentDate() throws Exception {
+        return new Date();
+    }
+
+    @RequestMapping("/delay/{seconds}")
+    public void getCurrentTime(@PathVariable final int seconds) throws Exception {
+
+        Thread.sleep(seconds * 1000);
+    }
+}
@@ -0,0 +1,85 @@
+package com.baeldung.sampleapp.web.controller;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+import com.baeldung.sampleapp.web.dto.Foo;
+import com.baeldung.sampleapp.web.exception.ResourceNotFoundException;
+
+@Controller
+@RequestMapping(value = "/foos")
+public class MyFooController {
+
+    private final Map<Long, Foo> myfoos;
+
+    public MyFooController() {
+        super();
+        myfoos = new HashMap<Long, Foo>();
+        myfoos.put(1L, new Foo(1L, "sample foo"));
+    }
+
+    // API - read
+
+    @RequestMapping(method = RequestMethod.GET, produces = { "application/json" })
+    @ResponseBody
+    public Collection<Foo> findAll() {
+        return myfoos.values();
+    }
+
+    @RequestMapping(method = RequestMethod.GET, value = "/{id}", produces = { "application/json" })
+    @ResponseBody
+    public Foo findById(@PathVariable final long id) {
+        final Foo foo = myfoos.get(id);
+        if (foo == null) {
+            throw new ResourceNotFoundException();
+        }
+        return foo;
+    }
+
+    // API - write
+
+    @RequestMapping(method = RequestMethod.PUT, value = "/{id}")
+    @ResponseStatus(HttpStatus.OK)
+    @ResponseBody
+    public Foo updateFoo(@PathVariable("id") final long id, @RequestBody final Foo foo) {
+        myfoos.put(id, foo);
+        return foo;
+    }
+
+    @RequestMapping(method = RequestMethod.PATCH, value = "/{id}")
+    @ResponseStatus(HttpStatus.OK)
+    public void updateFoo2(@PathVariable("id") final long id, @RequestBody final Foo foo) {
+        myfoos.put(id, foo);
+    }
+
+    @RequestMapping(method = RequestMethod.POST)
+    @ResponseStatus(HttpStatus.CREATED)
+    @ResponseBody
+    public Foo createFoo(@RequestBody final Foo foo, HttpServletResponse response) {
+        myfoos.put(foo.getId(), foo);
+        response.setHeader("Location", ServletUriComponentsBuilder.fromCurrentRequest()
+            .path("/" + foo.getId())
+            .toUriString());
+        return foo;
+    }
+
+    @RequestMapping(method = RequestMethod.DELETE, value = "/{id}")
+    @ResponseStatus(HttpStatus.OK)
+    public void deleteById(@PathVariable final long id) {
+        myfoos.remove(id);
+    }
+
+}
@@ -0,0 +1,33 @@
+package com.baeldung.sampleapp.web.controller;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.sampleapp.web.dto.PactDto;
+
+@RestController
+public class PactController {
+
+    List<PactDto> pacts = new ArrayList<>();
+
+    @GetMapping(value = "/pact", produces = MediaType.APPLICATION_JSON_VALUE)
+    @ResponseBody
+    public PactDto getPact() {
+        return new PactDto(true, "tom");
+    }
+
+    @PostMapping("/pact")
+    @ResponseStatus(HttpStatus.CREATED)
+    public void createPact(PactDto pact) {
+        pacts.add(pact);
+    }
+
+}
@@ -0,0 +1,74 @@
+package com.baeldung.sampleapp.web.controller;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.baeldung.sampleapp.web.dto.Foo;
+
+// used to test HttpClientPostingTest
+@RestController
+public class SimplePostController {
+
+    @RequestMapping(value = "/users", method = RequestMethod.POST)
+    public String postUser(@RequestParam final String username, @RequestParam final String password) {
+        return "Success" + username;
+    }
+
+    @RequestMapping(value = "/users/detail", method = RequestMethod.POST)
+    public String postUserDetail(@RequestBody final Foo entity) {
+        return "Success" + entity.getId();
+    }
+
+    @RequestMapping(value = "/users/multipart", method = RequestMethod.POST)
+    public String uploadFile(@RequestParam final String username, @RequestParam final String password, @RequestParam("file") final MultipartFile file) {
+        if (!file.isEmpty()) {
+            try {
+                final DateFormat dateFormat = new SimpleDateFormat("yyyy_MM_dd_HH.mm.ss");
+                final String fileName = dateFormat.format(new Date());
+                final File fileServer = new File(fileName);
+                fileServer.createNewFile();
+                final byte[] bytes = file.getBytes();
+                final BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(fileServer));
+                stream.write(bytes);
+                stream.close();
+                return "You successfully uploaded " + username;
+            } catch (final Exception e) {
+                return "You failed to upload " + e.getMessage();
+            }
+        } else {
+            return "You failed to upload because the file was empty.";
+        }
+    }
+
+    @RequestMapping(value = "/users/upload", method = RequestMethod.POST)
+    public String postMultipart(@RequestParam("file") final MultipartFile file) {
+        if (!file.isEmpty()) {
+            try {
+                final DateFormat dateFormat = new SimpleDateFormat("yyyy_MM_dd_HH.mm.ss");
+                final String fileName = dateFormat.format(new Date());
+                final File fileServer = new File(fileName);
+                fileServer.createNewFile();
+                final byte[] bytes = file.getBytes();
+                final BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(fileServer));
+                stream.write(bytes);
+                stream.close();
+                return "You successfully uploaded ";
+            } catch (final Exception e) {
+                return "You failed to upload " + e.getMessage();
+            }
+        } else {
+            return "You failed to upload because the file was empty.";
+        }
+    }
+}
@@ -0,0 +1,25 @@
+package com.baeldung.sampleapp.web.controller.mediatypes;
+
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.sampleapp.web.dto.BaeldungItem;
+import com.baeldung.sampleapp.web.dto.BaeldungItemV2;
+
+@RestController
+@RequestMapping(value = "/", produces = "application/vnd.baeldung.api.v1+json")
+public class CustomMediaTypeController {
+
+    @RequestMapping(method = RequestMethod.GET, value = "/public/api/items/{id}", produces = "application/vnd.baeldung.api.v1+json")
+    public @ResponseBody BaeldungItem getItem(@PathVariable("id") String id) {
+        return new BaeldungItem("itemId1");
+    }
+
+    @RequestMapping(method = RequestMethod.GET, value = "/public/api/items/{id}", produces = "application/vnd.baeldung.api.v2+json")
+    public @ResponseBody BaeldungItemV2 getItemSecondAPIVersion(@PathVariable("id") String id) {
+        return new BaeldungItemV2("itemName");
+    }
+}
@@ -0,0 +1,68 @@
+package com.baeldung.sampleapp.web.controller.redirect;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.View;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+import org.springframework.web.servlet.view.RedirectView;
+
+@Controller
+@RequestMapping("/")
+public class RedirectController {
+
+    @RequestMapping(value = "/redirectWithXMLConfig", method = RequestMethod.GET)
+    public ModelAndView redirectWithUsingXMLConfig(final ModelMap model) {
+        model.addAttribute("attribute", "redirectWithXMLConfig");
+        return new ModelAndView("RedirectedUrl", model);
+    }
+
+    @RequestMapping(value = "/redirectWithRedirectPrefix", method = RequestMethod.GET)
+    public ModelAndView redirectWithUsingRedirectPrefix(final ModelMap model) {
+        model.addAttribute("attribute", "redirectWithRedirectPrefix");
+        return new ModelAndView("redirect:/redirectedUrl", model);
+    }
+
+    @RequestMapping(value = "/redirectWithRedirectAttributes", method = RequestMethod.GET)
+    public RedirectView redirectWithRedirectAttributes(final RedirectAttributes redirectAttributes) {
+        redirectAttributes.addFlashAttribute("flashAttribute", "redirectWithRedirectAttributes");
+        redirectAttributes.addAttribute("attribute", "redirectWithRedirectAttributes");
+        return new RedirectView("redirectedUrl");
+    }
+
+    @RequestMapping(value = "/redirectWithRedirectView", method = RequestMethod.GET)
+    public RedirectView redirectWithUsingRedirectView(final ModelMap model) {
+        model.addAttribute("attribute", "redirectWithRedirectView");
+        return new RedirectView("redirectedUrl");
+    }
+
+    @RequestMapping(value = "/forwardWithForwardPrefix", method = RequestMethod.GET)
+    public ModelAndView forwardWithUsingForwardPrefix(final ModelMap model) {
+        model.addAttribute("attribute", "redirectWithForwardPrefix");
+        return new ModelAndView("forward:/redirectedUrl", model);
+    }
+
+    @RequestMapping(value = "/redirectedUrl", method = RequestMethod.GET)
+    public ModelAndView redirection(final ModelMap model, @ModelAttribute("flashAttribute") final Object flashAttribute) {
+        model.addAttribute("redirectionAttribute", flashAttribute);
+        return new ModelAndView("redirection", model);
+    }
+
+    @RequestMapping(value = "/redirectPostToPost", method = RequestMethod.POST)
+    public ModelAndView redirectPostToPost(HttpServletRequest request) {
+        request.setAttribute(View.RESPONSE_STATUS_ATTRIBUTE, HttpStatus.TEMPORARY_REDIRECT);
+        return new ModelAndView("redirect:/redirectedPostToPost");
+    }
+
+    @RequestMapping(value = "/redirectedPostToPost", method = RequestMethod.POST)
+    public ModelAndView redirectedPostToPost() {
+        return new ModelAndView("redirection");
+    }
+
+}
@@ -0,0 +1,13 @@
+package com.baeldung.sampleapp.web.dto;
+
+public class BaeldungItem {
+    private final String itemId;
+
+    public BaeldungItem(String itemId) {
+        this.itemId = itemId;
+    }
+
+    public String getItemId() {
+        return itemId;
+    }
+}
@@ -0,0 +1,14 @@
+package com.baeldung.sampleapp.web.dto;
+
+
+public class BaeldungItemV2 {
+    private final String itemName;
+
+    public BaeldungItemV2(String itemName) {
+        this.itemName = itemName;
+    }
+
+    public String getItemName() {
+        return itemName;
+    }
+}
@@ -0,0 +1,38 @@
+package com.baeldung.sampleapp.web.dto;
+
+public class Company {
+
+    private long id;
+    private String name;
+
+    public Company() {
+        super();
+    }
+
+    public Company(final long id, final String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final long id) {
+        this.id = id;
+    }
+
+    @Override
+    public String toString() {
+        return "Company [id=" + id + ", name=" + name + "]";
+    }
+
+}
@@ -0,0 +1,42 @@
+package com.baeldung.sampleapp.web.dto;
+
+public class Foo {
+    private long id;
+    private String name;
+
+    public Foo() {
+        super();
+    }
+
+    public Foo(final String name) {
+        super();
+
+        this.name = name;
+    }
+
+    public Foo(final long id, final String name) {
+        super();
+
+        this.id = id;
+        this.name = name;
+    }
+
+    // API
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+}
@@ -0,0 +1,62 @@
+package com.baeldung.sampleapp.web.dto;
+
+
+public class HeavyResource {
+    private Integer id;
+    private String name;
+    private String surname;
+    private Integer age;
+    private String address;
+
+
+    public HeavyResource() {
+    }
+
+    public HeavyResource(Integer id, String name, String surname, Integer age, String address) {
+        this.id = id;
+        this.name = name;
+        this.surname = surname;
+        this.age = age;
+        this.address = address;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getSurname() {
+        return surname;
+    }
+
+    public void setSurname(String surname) {
+        this.surname = surname;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+}
@@ -0,0 +1,31 @@
+package com.baeldung.sampleapp.web.dto;
+
+
+public class HeavyResourceAddressOnly {
+    private Integer id;
+    private String address;
+
+    public HeavyResourceAddressOnly() {
+    }
+
+    public HeavyResourceAddressOnly(Integer id, String address) {
+        this.id = id;
+        this.address = address;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+}
@@ -0,0 +1,31 @@
+package com.baeldung.sampleapp.web.dto;
+
+
+public class HeavyResourceAddressPartialUpdate {
+    private Integer id;
+    private String address;
+
+    public HeavyResourceAddressPartialUpdate() {
+    }
+
+    public HeavyResourceAddressPartialUpdate(Integer id, String address) {
+        this.id = id;
+        this.address = address;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+}
@@ -0,0 +1,36 @@
+package com.baeldung.sampleapp.web.dto;
+
+import com.fasterxml.jackson.annotation.JsonView;
+
+public class Item {
+    @JsonView(Views.Public.class)
+    public int id;
+
+    @JsonView(Views.Public.class)
+    public String itemName;
+
+    @JsonView(Views.Internal.class)
+    public String ownerName;
+
+    public Item() {
+        super();
+    }
+
+    public Item(final int id, final String itemName, final String ownerName) {
+        this.id = id;
+        this.itemName = itemName;
+        this.ownerName = ownerName;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public String getItemName() {
+        return itemName;
+    }
+
+    public String getOwnerName() {
+        return ownerName;
+    }
+}
@@ -0,0 +1,9 @@
+package com.baeldung.sampleapp.web.dto;
+
+public class ItemManager {
+
+    public static Item getById(final int id) {
+        final Item item = new Item(2, "book", "John");
+        return item;
+    }
+}
@@ -0,0 +1,33 @@
+package com.baeldung.sampleapp.web.dto;
+
+public class PactDto {
+
+    private boolean condition;
+    private String name;
+
+    public PactDto() {
+    }
+
+    public PactDto(boolean condition, String name) {
+        super();
+        this.condition = condition;
+        this.name = name;
+    }
+
+    public boolean isCondition() {
+        return condition;
+    }
+
+    public void setCondition(boolean condition) {
+        this.condition = condition;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}
@@ -0,0 +1,9 @@
+package com.baeldung.sampleapp.web.dto;
+
+public class Views {
+    public static class Public {
+    }
+
+    public static class Internal extends Public {
+    }
+}
@@ -0,0 +1,8 @@
+package com.baeldung.sampleapp.web.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.NOT_FOUND)
+public class ResourceNotFoundException extends RuntimeException {
+}
@@ -0,0 +1,50 @@
+package com.baeldung.shutdown;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.WebApplicationType;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.context.ApplicationPidFileWriter;
+import org.springframework.context.ConfigurableApplicationContext;
+
+@SpringBootApplication
+public class Application {
+    
+    public static void main(String[] args) {
+
+        SpringApplication.run(Application.class, args);
+//        closeApplication();
+//        exitApplication();
+//        writePID();
+
+    }
+
+    private static void closeApplication() {
+
+        ConfigurableApplicationContext ctx = new SpringApplicationBuilder(Application.class).web(WebApplicationType.NONE).run();
+        System.out.println("Spring Boot application started");
+        ctx.getBean(TerminateBean.class);
+        ctx.close();
+    }
+
+    private static void exitApplication() {
+
+        ConfigurableApplicationContext ctx = new SpringApplicationBuilder(Application.class).web(WebApplicationType.NONE).run();
+
+        int exitCode = SpringApplication.exit(ctx, () -> {
+            // return the error code
+            return 0;
+        });
+
+        System.out.println("Exit Spring Boot");
+
+        System.exit(exitCode);
+    }
+
+    private static void writePID() {
+        SpringApplicationBuilder app = new SpringApplicationBuilder(Application.class).web(WebApplicationType.NONE);
+        app.build().addListeners(new ApplicationPidFileWriter("./bin/shutdown.pid"));
+        app.run();
+    }
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.shutdown;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan(basePackages = "com.baeldung.shutdown")
+public class ShutdownConfig {
+
+    @Bean
+    public TerminateBean getTerminateBean() {
+        return new TerminateBean();
+    }
+}
@@ -0,0 +1,11 @@
+package com.baeldung.shutdown;
+
+import javax.annotation.PreDestroy;
+
+public class TerminateBean {
+
+    @PreDestroy
+    public void onDestroy() throws Exception {
+        System.out.println("Spring Container is destroyed!");
+    }
+}
@@ -0,0 +1,25 @@
+package com.baeldung.shutdown.shutdown;
+
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class ShutdownController implements ApplicationContextAware {
+    
+    private ApplicationContext context;
+    
+    @PostMapping("/shutdownContext")
+    public void shutdownContext() {
+        ((ConfigurableApplicationContext) context).close();
+    }
+
+    @Override
+    public void setApplicationContext(ApplicationContext ctx) throws BeansException {
+        this.context = ctx;
+        
+    }
+}
@@ -0,0 +1,13 @@
+package com.baeldung.spring.boot.management.logging;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
+
+@Profile("logging")
+@SpringBootApplication
+public class LoggingApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(LoggingApplication.class);
+    }
+}
@@ -0,0 +1,24 @@
+package com.baeldung.spring.boot.management.logging;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/log")
+public class LoggingController {
+    private Log log = LogFactory.getLog(LoggingController.class);
+
+    @GetMapping
+    public String log() {
+        log.trace("This is a TRACE level message");
+        log.debug("This is a DEBUG level message");
+        log.info("This is an INFO level message");
+        log.warn("This is a WARN level message");
+        log.error("This is an ERROR level message");
+
+        return "See the log for details";
+    }
+}
@@ -0,0 +1,14 @@
+package com.baeldung.spring.boot.management.logging;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@Configuration
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http.csrf()
+            .ignoringAntMatchers("/actuator/**");
+    }
+}
@@ -0,0 +1,15 @@
+package com.baeldung.spring.boot.management.trace;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
+
+@Profile("logging")
+@SpringBootApplication
+public class App {
+
+    public static void main(String[] args) {
+        SpringApplication.run(App.class);
+    }
+    
+}
@@ -0,0 +1,29 @@
+package com.baeldung.spring.boot.management.trace;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.springframework.boot.actuate.trace.http.HttpTrace;
+import org.springframework.boot.actuate.trace.http.HttpTraceRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class CustomTraceRepository implements HttpTraceRepository {
+
+    AtomicReference<HttpTrace> lastTrace = new AtomicReference<>();
+
+    @Override
+    public List<HttpTrace> findAll() {
+        return Collections.singletonList(lastTrace.get());
+    }
+
+    @Override
+    public void add(HttpTrace trace) {
+        if ("GET".equals(trace.getRequest()
+            .getMethod())) {
+            lastTrace.set(trace);
+        }
+    }
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.spring.boot.management.trace;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController("echo")
+public class EchoController {
+
+    @GetMapping
+    public String echo(@RequestParam("msg") String msg) {
+        return "echoing " + msg;
+    }
+    
+}
@@ -0,0 +1,27 @@
+package com.baeldung.spring.boot.management.trace;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+
+import org.springframework.boot.actuate.trace.http.HttpExchangeTracer;
+import org.springframework.boot.actuate.trace.http.HttpTraceRepository;
+import org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter;
+import org.springframework.stereotype.Component;
+
+@Component
+public class TraceRequestFilter extends HttpTraceFilter {
+  /**
+   * Create a new {@link HttpTraceFilter} instance.
+   *
+   * @param repository the trace repository
+   * @param tracer     used to trace exchanges
+   */
+  public TraceRequestFilter(HttpTraceRepository repository, HttpExchangeTracer tracer) {
+      super(repository, tracer);
+  }
+
+  @Override
+  protected boolean shouldNotFilter(HttpServletRequest request) throws ServletException {
+      return request.getServletPath().contains("actuator");
+  }
+}
@@ -0,0 +1,43 @@
+package com.baeldung.web.log.app;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRegistration;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.web.context.ContextLoaderListener;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+import org.springframework.context.annotation.PropertySource;
+
+import com.baeldung.web.log.config.CustomeRequestLoggingFilter;
+
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
+
+@EnableAutoConfiguration
+@ComponentScan("com.baeldung.web.log")
+@PropertySource("application-log.properties")
+@SpringBootApplication
+public class Application extends SpringBootServletInitializer {
+
+    public static void main(final String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+    
+    @Override
+    public void onStartup(ServletContext container) throws ServletException {
+
+        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+        context.setConfigLocation("com.baeldung.web.log");
+        container.addListener(new ContextLoaderListener(context));
+
+        ServletRegistration.Dynamic dispatcher = container.addServlet("dispatcher", new DispatcherServlet(context));
+        dispatcher.setLoadOnStartup(1);
+        dispatcher.addMapping("/"); 
+
+        container.addFilter("customRequestLoggingFilter", CustomeRequestLoggingFilter.class).addMappingForServletNames(null, false, "dispatcher");
+    }
+}
@@ -0,0 +1,44 @@
+package com.baeldung.web.log.app;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
+import org.springframework.web.util.ContentCachingRequestWrapper;
+
+import com.baeldung.web.log.util.RequestLoggingUtil;
+
+@Component
+public class TaxiFareRequestInterceptor extends HandlerInterceptorAdapter {
+
+    private final static Logger LOGGER = LoggerFactory.getLogger(TaxiFareRequestInterceptor.class);
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        String postData;
+        HttpServletRequest requestCacheWrapperObject = null;
+        try {
+            // Uncomment to produce the stream closed issue
+            // postData = RequestLoggingUtil.getStringFromInputStream(request.getInputStream());
+
+            // To overcome request stream closed issue
+            requestCacheWrapperObject = new ContentCachingRequestWrapper(request);
+            requestCacheWrapperObject.getParameterMap();
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        } finally {
+            postData = RequestLoggingUtil.readPayload(requestCacheWrapperObject);
+            LOGGER.info("REQUEST DATA: " + postData);
+        }
+        return true;
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        LOGGER.info("RESPONSE: " + response.getStatus());
+    }
+
+}
@@ -0,0 +1,12 @@
+package com.baeldung.web.log.config;
+
+import org.springframework.web.filter.CommonsRequestLoggingFilter;
+
+public class CustomeRequestLoggingFilter extends CommonsRequestLoggingFilter {
+
+  public CustomeRequestLoggingFilter() {
+      super.setIncludeQueryString(true);
+      super.setIncludePayload(true);
+      super.setMaxPayloadLength(10000);
+  }
+}
@@ -0,0 +1,20 @@
+package com.baeldung.web.log.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.filter.CommonsRequestLoggingFilter;
+
+@Configuration
+public class RequestLoggingFilterConfig {
+
+    @Bean
+    public CommonsRequestLoggingFilter logFilter() {
+        CommonsRequestLoggingFilter filter = new CommonsRequestLoggingFilter();
+        filter.setIncludeQueryString(true);
+        filter.setIncludePayload(true);
+        filter.setMaxPayloadLength(10000);
+        filter.setIncludeHeaders(false);
+        filter.setAfterMessagePrefix("REQUEST DATA : ");
+        return filter;
+    }
+}
@@ -0,0 +1,19 @@
+package com.baeldung.web.log.config;
+
+import com.baeldung.web.log.app.TaxiFareRequestInterceptor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class TaxiFareMVCConfig implements WebMvcConfigurer {
+
+    @Autowired
+    private TaxiFareRequestInterceptor taxiFareRequestInterceptor;
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(taxiFareRequestInterceptor).addPathPatterns("/**/taxifare/**/");
+    }
+}
@@ -0,0 +1,40 @@
+package com.baeldung.web.log.controller;
+
+import javax.validation.Valid;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+
+import com.baeldung.web.log.data.RateCard;
+import com.baeldung.web.log.data.TaxiRide;
+import com.baeldung.web.log.service.TaxiFareCalculatorService;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class TaxiFareController {
+
+    @Autowired
+    private TaxiFareCalculatorService taxiFareCalculatorService;
+    
+    private static final Logger LOGGER = LoggerFactory.getLogger(TaxiFareController.class);
+    
+    @GetMapping("/taxifare/get/")
+    public RateCard getTaxiFare() {
+        LOGGER.debug("getTaxiFare() - START");
+        return new RateCard();
+    }
+    
+    @PostMapping("/taxifare/calculate/")
+    public String calculateTaxiFare(@RequestBody @Valid TaxiRide taxiRide) {
+        LOGGER.debug("calculateTaxiFare() - START");
+        String totalFare = taxiFareCalculatorService.calculateFare(taxiRide);
+        LOGGER.debug("calculateTaxiFare() - Total Fare : {}",totalFare);
+        LOGGER.debug("calculateTaxiFare() - END");
+        return totalFare;
+    }
+
+}
@@ -0,0 +1,31 @@
+package com.baeldung.web.log.data;
+
+public class RateCard {
+
+    private String nightSurcharge;
+    private String ratePerMile;
+
+    public RateCard() {
+        nightSurcharge = "Extra $ 100";
+        ratePerMile = "$ 10 Per Mile";
+    }
+
+
+    public String getNightSurcharge() {
+        return nightSurcharge;
+    }
+
+    public void setNightSurcharge(String nightSurcharge) {
+        this.nightSurcharge = nightSurcharge;
+    }
+
+    public String getRatePerMile() {
+        return ratePerMile;
+    }
+
+    public void setRatePerMile(String ratePerMile) {
+        this.ratePerMile = ratePerMile;
+    }
+
+
+}
@@ -0,0 +1,33 @@
+package com.baeldung.web.log.data;
+
+public class TaxiRide {
+
+    private Boolean isNightSurcharge;
+    private Long distanceInMile;
+
+    public TaxiRide() {
+    }
+
+    public TaxiRide(Boolean isNightSurcharge, Long distanceInMile) {
+        this.isNightSurcharge = isNightSurcharge;
+        this.distanceInMile = distanceInMile;
+    }
+
+
+    public Boolean getIsNightSurcharge() {
+        return isNightSurcharge;
+    }
+
+    public void setIsNightSurcharge(Boolean isNightSurcharge) {
+        this.isNightSurcharge = isNightSurcharge;
+    }
+
+    public Long getDistanceInMile() {
+        return distanceInMile;
+    }
+
+    public void setDistanceInMile(Long distanceInMile) {
+        this.distanceInMile = distanceInMile;
+    }
+
+}
@@ -0,0 +1,14 @@
+package com.baeldung.web.log.service;
+
+import com.baeldung.web.log.data.TaxiRide;
+import org.springframework.stereotype.Service;
+
+@Service
+public class TaxiFareCalculatorService {
+
+    public String calculateFare(TaxiRide taxiRide) {
+        return String.valueOf((Long) (taxiRide.getIsNightSurcharge()
+          ? taxiRide.getDistanceInMile() * 10 + 100
+          : taxiRide.getDistanceInMile() * 10));
+    }
+}
@@ -0,0 +1,38 @@
+package com.baeldung.web.log.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringWriter;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.commons.io.IOUtils;
+import org.springframework.web.util.ContentCachingRequestWrapper;
+import org.springframework.web.util.WebUtils;
+
+public class RequestLoggingUtil {
+
+    public static String getStringFromInputStream(InputStream is) {
+        StringWriter writer = new StringWriter();
+        String encoding = "UTF-8";
+        try {
+            IOUtils.copy(is, writer, encoding);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return writer.toString();
+    }
+
+    public static String readPayload(final HttpServletRequest request) throws IOException {
+        String payloadData = null;
+        ContentCachingRequestWrapper contentCachingRequestWrapper = WebUtils.getNativeRequest(request, ContentCachingRequestWrapper.class);
+        if (null != contentCachingRequestWrapper) {
+            byte[] buf = contentCachingRequestWrapper.getContentAsByteArray();
+            if (buf.length > 0) {
+                payloadData = new String(buf, 0, buf.length, contentCachingRequestWrapper.getCharacterEncoding());
+            }
+        }
+        return payloadData;
+    }
+
+}