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JAVA-17818 Split or move spring-cloud-openfeign module (conti-2) (#13621) 

* JAVA-17818 Split or move spring-cloud-openfeign module (conti-2)

* JAVA-17818 Some adjustments in the README.md file

---------

Co-authored-by: timis1 <noreplay@yahoo.com>
This commit is contained in:
timis1 2023-03-28 11:01:39 +03:00 committed by GitHub
parent 9af9ee9b48
commit 9c571d3424
39 changed files with 97 additions and 295 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
feign/README.md
View File

@ -6,10 +6,4 @@ This module contains articles about Feign
- [Intro to Feign](https://www.baeldung.com/intro-to-feign)
- [Retrying Feign Calls](https://www.baeldung.com/feign-retry)
- [Setting Request Headers Using Feign](https://www.baeldung.com/java-feign-request-headers)
- [File Upload With Open Feign](https://www.baeldung.com/java-feign-file-upload)
- [Feign Logging Configuration](https://www.baeldung.com/java-feign-logging)
- [Retrieve Original Message From Feign ErrorDecoder](https://www.baeldung.com/feign-retrieve-original-message)
- [RequestLine with Feign Client](https://www.baeldung.com/feign-requestline)
- [Propagating Exceptions With OpenFeign and Spring](https://www.baeldung.com/spring-openfeign-propagate-exception)
- [Post form-url-encoded Data with Spring Cloud Feign](https://www.baeldung.com/spring-cloud-post-form-url-encoded-data)
- [Setting Request Headers Using Feign](https://www.baeldung.com/java-feign-request-headers)

5
feign/pom.xml
View File

@ -69,11 +69,6 @@
<artifactId>feign-form-spring</artifactId>
<version>${feign.form.spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
<version>${spring.cloud.openfeign.version}</version>
</dependency>
<dependency>
<groupId>com.github.tomakehurst</groupId>
<artifactId>wiremock-jre8</artifactId>

2
feign/src/main/java/com/baeldung/core/ExampleApplication.java
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@ -2,10 +2,8 @@ package com.baeldung.core;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.openfeign.EnableFeignClients;
@SpringBootApplication
@EnableFeignClients
public class ExampleApplication {
public static void main(String[] args) {

55
feign/src/main/java/com/baeldung/core/fileupload/config/ExceptionMessage.java
View File

@ -1,55 +0,0 @@
package com.baeldung.core.fileupload.config;
public class ExceptionMessage {
private String timestamp;
private int status;
private String error;
private String message;
private String path;
public String getTimestamp() {
return timestamp;
}
public void setTimestamp(String timestamp) {
this.timestamp = timestamp;
}
public int getStatus() {
return status;
}
public void setStatus(int status) {
this.status = status;
}
public String getError() {
return error;
}
public void setError(String error) {
this.error = error;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public String getPath() {
return path;
}
public void setPath(String path) {
this.path = path;
}
@Override
public String toString() {
return "ExceptionMessage [timestamp=" + timestamp + ", status=" + status + ", error=" + error + ", message=" + message + ", path=" + path + "]";
}
}

22
feign/src/main/java/com/baeldung/core/fileupload/config/FeignSupportConfig.java
View File

@ -1,22 +0,0 @@
package com.baeldung.core.fileupload.config;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.cloud.openfeign.support.SpringEncoder;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
import feign.codec.Encoder;
import feign.codec.ErrorDecoder;
import feign.form.spring.SpringFormEncoder;
public class FeignSupportConfig {
@Bean
public Encoder multipartFormEncoder() {
return new SpringFormEncoder(new SpringEncoder(() -> new HttpMessageConverters(new RestTemplate().getMessageConverters())));
}
@Bean
public ErrorDecoder errorDecoder() {
return new RetreiveMessageErrorDecoder();
}
}

35
feign/src/main/java/com/baeldung/core/fileupload/config/RetreiveMessageErrorDecoder.java
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@ -1,35 +0,0 @@
package com.baeldung.core.fileupload.config;
import java.io.IOException;
import java.io.InputStream;
import com.baeldung.core.exception.BadRequestException;
import com.baeldung.core.exception.NotFoundException;
import com.fasterxml.jackson.databind.ObjectMapper;
import feign.Response;
import feign.codec.ErrorDecoder;
public class RetreiveMessageErrorDecoder implements ErrorDecoder {
private final ErrorDecoder errorDecoder = new Default();
@Override
public Exception decode(String methodKey, Response response) {
ExceptionMessage message;
try (InputStream bodyIs = response.body()
.asInputStream()) {
ObjectMapper mapper = new ObjectMapper();
message = mapper.readValue(bodyIs, ExceptionMessage.class);
} catch (IOException e) {
return new Exception(e.getMessage());
}
switch (response.status()) {
case 400:
return new BadRequestException(message.getMessage() != null ? message.getMessage() : "Bad Request");
case 404:
return new NotFoundException(message.getMessage() != null ? message.getMessage() : "Not found");
default:
return errorDecoder.decode(methodKey, response);
}
}
}

16
feign/src/main/java/com/baeldung/core/fileupload/service/UploadResource.java
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@ -1,16 +0,0 @@
package com.baeldung.core.fileupload.service;
import org.springframework.web.multipart.MultipartFile;
import feign.Headers;
import feign.Param;
import feign.RequestLine;
import feign.Response;
public interface UploadResource {
@RequestLine("POST /upload-file")
@Headers("Content-Type: multipart/form-data")
Response uploadFile(@Param("file") MultipartFile file);
}

32
feign/src/main/java/com/baeldung/core/fileupload/service/UploadService.java
View File

@ -1,32 +0,0 @@
package com.baeldung.core.fileupload.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import feign.Feign;
import feign.Response;
import feign.form.spring.SpringFormEncoder;
@Service
public class UploadService {
private static final String HTTP_FILE_UPLOAD_URL = "http://localhost:8081";
@Autowired
private UploadClient client;
public boolean uploadFileWithManualClient(MultipartFile file) {
UploadResource fileUploadResource = Feign.builder().encoder(new SpringFormEncoder())
.target(UploadResource.class, HTTP_FILE_UPLOAD_URL);
Response response = fileUploadResource.uploadFile(file);
return response.status() == 200;
}
public String uploadFile(MultipartFile file) {
return client.fileUpload(file);
}
public String uploadFileError(MultipartFile file) {
return client.fileUpload(file);
}
}

50
feign/src/test/java/com/baeldung/core/OpenFeignFileUploadLiveTest.java
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@ -1,50 +0,0 @@
package com.baeldung.core;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.web.multipart.MultipartFile;
import com.baeldung.core.fileupload.service.UploadService;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = ExampleApplication.class)
public class OpenFeignFileUploadLiveTest {
@Autowired
private UploadService uploadService;
private static String FILE_NAME = "fileupload.txt";
@Test
public void whenFeignBuilder_thenFileUploadSuccess() throws IOException {
ClassLoader classloader = Thread.currentThread().getContextClassLoader();
File file = new File(classloader.getResource(FILE_NAME).getFile());
Assert.assertTrue(file.exists());
FileInputStream input = new FileInputStream(file);
MultipartFile multipartFile = new MockMultipartFile("file", file.getName(), "text/plain",
IOUtils.toByteArray(input));
Assert.assertTrue(uploadService.uploadFileWithManualClient(multipartFile));
}
@Test
public void whenAnnotatedFeignClient_thenFileUploadSuccess() throws IOException {
ClassLoader classloader = Thread.currentThread().getContextClassLoader();
File file = new File(classloader.getResource(FILE_NAME).getFile());
Assert.assertTrue(file.exists());
FileInputStream input = new FileInputStream(file);
MultipartFile multipartFile = new MockMultipartFile("file", file.getName(), "text/plain",
IOUtils.toByteArray(input));
String uploadFile = uploadService.uploadFile(multipartFile);
Assert.assertNotNull(uploadFile);
}
}

6
spring-cloud-modules/spring-cloud-openfeign/README.md
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@ -5,4 +5,10 @@
- [Provide an OAuth2 Token to a Feign Client](https://www.baeldung.com/spring-cloud-feign-oauth-token)
- [Propagating Exceptions With OpenFeign and Spring](https://www.baeldung.com/spring-openfeign-propagate-exception)
- [Feign Client Exception Handling](https://www.baeldung.com/java-feign-client-exception-handling)
- [File Upload With Open Feign](https://www.baeldung.com/java-feign-file-upload)
- [Feign Logging Configuration](https://www.baeldung.com/java-feign-logging)
- [Retrieve Original Message From Feign ErrorDecoder](https://www.baeldung.com/feign-retrieve-original-message)
- [RequestLine with Feign Client](https://www.baeldung.com/feign-requestline)
- [Propagating Exceptions With OpenFeign and Spring](https://www.baeldung.com/spring-openfeign-propagate-exception)
- [Post form-url-encoded Data with Spring Cloud Feign](https://www.baeldung.com/spring-cloud-post-form-url-encoded-data)
- [Configuring Spring Cloud FeignClient URL](https://www.baeldung.com/spring-cloud-feignclient-url)

13
spring-cloud-modules/spring-cloud-openfeign/pom.xml
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@ -61,10 +61,23 @@
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.tomakehurst</groupId>
<artifactId>wiremock-jre8</artifactId>
<version>${wire.mock.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
</dependencies>
<properties>
<spring-cloud.version>2021.0.3</spring-cloud.version>
<wire.mock.version>2.33.2</wire.mock.version>
</properties>
</project>

4
feign/src/main/java/com/baeldung/core/client/FormClient.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/client/FormClient.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.client;
package com.baeldung.cloud.openfeign.client;
import java.util.Map;
@ -11,7 +11,7 @@ import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import com.baeldung.core.defaulterrorhandling.model.FormData;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.FormData;
import feign.codec.Encoder;
import feign.form.spring.SpringFormEncoder;

4
feign/src/main/java/com/baeldung/core/client/UserClient.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/client/UserClient.java
View File

@ -1,9 +1,9 @@
package com.baeldung.core.client;
package com.baeldung.cloud.openfeign.client;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.GetMapping;
import com.baeldung.core.config.FeignConfig;
import com.baeldung.cloud.openfeign.config.FeignConfig;
@FeignClient(name = "user-client", url="https://jsonplaceholder.typicode.com", configuration = FeignConfig.class)
public interface UserClient {

13
spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/config/FeignConfig.java Normal file
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@ -0,0 +1,13 @@
package com.baeldung.cloud.openfeign.config;
import org.springframework.context.annotation.Bean;
import feign.Logger;
public class FeignConfig {
@Bean
Logger.Level feignLoggerLevel() {
return Logger.Level.FULL;
}
}

6
feign/src/main/java/com/baeldung/core/customizederrorhandling/client/ProductClient.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/client/ProductClient.java
View File

@ -1,12 +1,12 @@
package com.baeldung.core.customizederrorhandling.client;
package com.baeldung.cloud.openfeign.customizederrorhandling.client;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.baeldung.core.customizederrorhandling.config.FeignConfig;
import com.baeldung.core.defaulterrorhandling.model.Product;
import com.baeldung.cloud.openfeign.customizederrorhandling.config.FeignConfig;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
@FeignClient(name = "product-client-2", url = "http://localhost:8081/product/", configuration = FeignConfig.class)
public interface ProductClient {

9
feign/src/main/java/com/baeldung/core/customizederrorhandling/config/CustomErrorDecoder.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/config/CustomErrorDecoder.java
View File

@ -1,8 +1,9 @@
package com.baeldung.core.customizederrorhandling.config;
package com.baeldung.cloud.openfeign.customizederrorhandling.config;
import com.baeldung.core.customizederrorhandling.exception.ProductNotFoundException;
import com.baeldung.core.customizederrorhandling.exception.ProductServiceNotAvailableException;
import com.baeldung.core.exception.BadRequestException;
import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductNotFoundException;
import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductServiceNotAvailableException;
import com.baeldung.cloud.openfeign.exception.BadRequestException;
import feign.Response;
import feign.codec.ErrorDecoder;

2
feign/src/main/java/com/baeldung/core/customizederrorhandling/config/FeignConfig.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/config/FeignConfig.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.config;
package com.baeldung.cloud.openfeign.customizederrorhandling.config;
import org.springframework.context.annotation.Bean;

6
feign/src/main/java/com/baeldung/core/customizederrorhandling/controller/ProductController.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/controller/ProductController.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.controller;
package com.baeldung.cloud.openfeign.customizederrorhandling.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
@ -6,8 +6,8 @@ import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.core.customizederrorhandling.client.ProductClient;
import com.baeldung.core.defaulterrorhandling.model.Product;
import com.baeldung.cloud.openfeign.customizederrorhandling.client.ProductClient;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
@RestController("product_controller2")
@RequestMapping(value = "myapp2")

2
feign/src/main/java/com/baeldung/core/customizederrorhandling/exception/ErrorResponse.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/exception/ErrorResponse.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.exception;
package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
import java.util.Date;

2
feign/src/main/java/com/baeldung/core/customizederrorhandling/exception/ProductExceptionHandler.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/exception/ProductExceptionHandler.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.exception;
package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

2
feign/src/main/java/com/baeldung/core/customizederrorhandling/exception/ProductNotFoundException.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/exception/ProductNotFoundException.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.exception;
package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
public class ProductNotFoundException extends RuntimeException {

2
feign/src/main/java/com/baeldung/core/customizederrorhandling/exception/ProductServiceNotAvailableException.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/customizederrorhandling/exception/ProductServiceNotAvailableException.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.exception;
package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
public class ProductServiceNotAvailableException extends RuntimeException {

6
feign/src/main/java/com/baeldung/core/defaulterrorhandling/client/ProductClient.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/defaulterrorhandling/client/ProductClient.java
View File

@ -1,12 +1,12 @@
package com.baeldung.core.defaulterrorhandling.client;
package com.baeldung.cloud.openfeign.defaulterrorhandling.client;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.baeldung.core.defaulterrorhandling.config.FeignConfig;
import com.baeldung.core.defaulterrorhandling.model.Product;
import com.baeldung.cloud.openfeign.defaulterrorhandling.config.FeignConfig;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
@FeignClient(name = "product-client", url = "http://localhost:8084/product/", configuration = FeignConfig.class)
public interface ProductClient {

2
feign/src/main/java/com/baeldung/core/defaulterrorhandling/config/FeignConfig.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/defaulterrorhandling/config/FeignConfig.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.config;
package com.baeldung.cloud.openfeign.defaulterrorhandling.config;
import org.springframework.context.annotation.Bean;

6
feign/src/main/java/com/baeldung/core/defaulterrorhandling/controller/ProductController.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/defaulterrorhandling/controller/ProductController.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.controller;
package com.baeldung.cloud.openfeign.defaulterrorhandling.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
@ -6,8 +6,8 @@ import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.core.defaulterrorhandling.client.ProductClient;
import com.baeldung.core.defaulterrorhandling.model.Product;
import com.baeldung.cloud.openfeign.defaulterrorhandling.client.ProductClient;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
@RestController("product_controller1")
@RequestMapping(value ="myapp1")

2
feign/src/main/java/com/baeldung/core/defaulterrorhandling/model/FormData.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/defaulterrorhandling/model/FormData.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.model;
package com.baeldung.cloud.openfeign.defaulterrorhandling.model;
import lombok.AllArgsConstructor;
import lombok.Data;

2
feign/src/main/java/com/baeldung/core/defaulterrorhandling/model/Product.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/defaulterrorhandling/model/Product.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.model;
package com.baeldung.cloud.openfeign.defaulterrorhandling.model;
public class Product {

8
spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/fileupload/config/FeignSupportConfig.java
View File

@ -1,6 +1,5 @@
package com.baeldung.cloud.openfeign.fileupload.config;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.cloud.openfeign.support.SpringEncoder;
import org.springframework.context.annotation.Bean;
@ -13,12 +12,7 @@ import feign.form.spring.SpringFormEncoder;
public class FeignSupportConfig {
@Bean
public Encoder multipartFormEncoder() {
return new SpringFormEncoder(new SpringEncoder(new ObjectFactory<HttpMessageConverters>() {
@Override
public HttpMessageConverters getObject() {
return new HttpMessageConverters(new RestTemplate().getMessageConverters());
}
}));
return new SpringFormEncoder(new SpringEncoder(() -> new HttpMessageConverters(new RestTemplate().getMessageConverters())));
}
@Bean

3
spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/fileupload/config/RetreiveMessageErrorDecoder.java
View File

@ -12,9 +12,10 @@ import feign.codec.ErrorDecoder;
public class RetreiveMessageErrorDecoder implements ErrorDecoder {
private final ErrorDecoder errorDecoder = new Default();
@Override
public Exception decode(String methodKey, Response response) {
ExceptionMessage message = null;
ExceptionMessage message;
try (InputStream bodyIs = response.body()
.asInputStream()) {
ObjectMapper mapper = new ObjectMapper();

8
feign/src/main/java/com/baeldung/core/fileupload/controller/FileController.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/fileupload/controller/FileController.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.fileupload.controller;
package com.baeldung.cloud.openfeign.fileupload.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
@ -6,7 +6,7 @@ import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.baeldung.core.fileupload.service.UploadService;
import com.baeldung.cloud.openfeign.fileupload.service.UploadService;
@RestController
public class FileController {
@ -16,7 +16,7 @@ public class FileController {
@PostMapping(value = "/upload")
public String handleFileUpload(@RequestPart(value = "file") MultipartFile file) {
return service.uploadFile(file);
return service.uploadFileWithFallbackFactory(file);
}
@PostMapping(value = "/upload-mannual-client")
@ -27,7 +27,7 @@ public class FileController {
@PostMapping(value = "/upload-error")
public String handleFileUploadError(@RequestPart(value = "file") MultipartFile file) {
return service.uploadFile(file);
return service.uploadFileWithFallbackFactory(file);
}
}

23
spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/fileupload/service/FileUploadClientFallbackFactory.java
View File

@ -11,20 +11,17 @@ import com.baeldung.cloud.openfeign.exception.NotFoundException;
public class FileUploadClientFallbackFactory implements FallbackFactory<FileUploadClientWithFallbackFactory> {
@Override
public FileUploadClientWithFallbackFactory create(Throwable cause) {
return new FileUploadClientWithFallbackFactory() {
@Override
public String fileUpload(MultipartFile file) {
if (cause instanceof BadRequestException) {
return "Bad Request!!!";
}
if (cause instanceof NotFoundException) {
return "Not Found!!!";
}
if (cause instanceof Exception) {
return "Exception!!!";
}
return "Successfully Uploaded file!!!";
return file -> {
if (cause instanceof BadRequestException) {
return "Bad Request!!!";
}
if (cause instanceof NotFoundException) {
return "Not Found!!!";
}
if (cause instanceof Exception) {
return "Exception!!!";
}
return "Successfully Uploaded file!!!";
};
}
}

4
feign/src/main/java/com/baeldung/core/fileupload/service/UploadClient.java → spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/fileupload/service/UploadClient.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.fileupload.service;
package com.baeldung.cloud.openfeign.fileupload.service;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.http.MediaType;
@ -6,7 +6,7 @@ import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.multipart.MultipartFile;
import com.baeldung.core.fileupload.config.FeignSupportConfig;
import com.baeldung.cloud.openfeign.fileupload.config.FeignSupportConfig;
@FeignClient(name = "file", url = "http://localhost:8081", configuration = FeignSupportConfig.class)
public interface UploadClient {

2
spring-cloud-modules/spring-cloud-openfeign/src/main/java/com/baeldung/cloud/openfeign/fileupload/service/UploadResource.java
View File

@ -9,7 +9,7 @@ import feign.Response;
public interface UploadResource {
@RequestLine("POST /upload-error")
@RequestLine("POST /upload-file")
@Headers("Content-Type: multipart/form-data")
Response uploadFile(@Param("file") MultipartFile file);

4
feign/src/test/java/com/baeldung/core/client/FormClientUnitTest.java → spring-cloud-modules/spring-cloud-openfeign/src/test/java/com/baeldung/cloud/openfeign/client/FormClientUnitTest.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.client;
package com.baeldung.cloud.openfeign.client;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.configureFor;
@ -20,7 +20,7 @@ import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpStatus;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import com.baeldung.core.defaulterrorhandling.model.FormData;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.FormData;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.client.WireMock;

8
feign/src/test/java/com/baeldung/core/customizederrorhandling/client/ProductClientUnitTest.java → spring-cloud-modules/spring-cloud-openfeign/src/test/java/com/baeldung/cloud/openfeign/customizederrorhandling/client/ProductClientUnitTest.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.client;
package com.baeldung.cloud.openfeign.customizederrorhandling.client;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.configureFor;
@ -15,9 +15,9 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.core.ExampleApplication;
import com.baeldung.core.customizederrorhandling.exception.ProductNotFoundException;
import com.baeldung.core.customizederrorhandling.exception.ProductServiceNotAvailableException;
import com.baeldung.cloud.openfeign.ExampleApplication;
import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductNotFoundException;
import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductServiceNotAvailableException;
import com.github.tomakehurst.wiremock.WireMockServer;
@RunWith(SpringRunner.class)

6
feign/src/test/java/com/baeldung/core/customizederrorhandling/controller/ProductControllerUnitTest.java → spring-cloud-modules/spring-cloud-openfeign/src/test/java/com/baeldung/cloud/openfeign/customizederrorhandling/controller/ProductControllerUnitTest.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.customizederrorhandling.controller;
package com.baeldung.cloud.openfeign.customizederrorhandling.controller;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.configureFor;
@ -21,8 +21,8 @@ import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import com.baeldung.core.customizederrorhandling.client.ProductClient;
import com.baeldung.core.customizederrorhandling.exception.ErrorResponse;
import com.baeldung.cloud.openfeign.customizederrorhandling.client.ProductClient;
import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ErrorResponse;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.client.WireMock;

6
feign/src/test/java/com/baeldung/core/defaulterrorhandling/client/ProductClientUnitTest.java → spring-cloud-modules/spring-cloud-openfeign/src/test/java/com/baeldung/cloud/openfeign/defaulterrorhandling/client/ProductClientUnitTest.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.client;
package com.baeldung.cloud.openfeign.defaulterrorhandling.client;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.configureFor;
@ -17,8 +17,8 @@ import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpStatus;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.core.ExampleApplication;
import com.baeldung.core.defaulterrorhandling.model.Product;
import com.baeldung.cloud.openfeign.ExampleApplication;
import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
import com.github.tomakehurst.wiremock.WireMockServer;
import feign.FeignException;

4
feign/src/test/java/com/baeldung/core/defaulterrorhandling/controller/ProductControllerUnitTest.java → spring-cloud-modules/spring-cloud-openfeign/src/test/java/com/baeldung/cloud/openfeign/defaulterrorhandling/controller/ProductControllerUnitTest.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.controller;
package com.baeldung.cloud.openfeign.defaulterrorhandling.controller;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.configureFor;
@ -21,7 +21,7 @@ import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import com.baeldung.core.defaulterrorhandling.client.ProductClient;
import com.baeldung.cloud.openfeign.defaulterrorhandling.client.ProductClient;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.client.WireMock;

2
feign/src/test/java/com/baeldung/core/defaulterrorhandling/controller/TestControllerAdvice.java → spring-cloud-modules/spring-cloud-openfeign/src/test/java/com/baeldung/cloud/openfeign/defaulterrorhandling/controller/TestControllerAdvice.java
View File

@ -1,4 +1,4 @@
package com.baeldung.core.defaulterrorhandling.controller;
package com.baeldung.cloud.openfeign.defaulterrorhandling.controller;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;