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BAEL-11: Renamed project to feign-client.

This commit is contained in:
Christian Raedel 2016-09-06 21:30:14 +02:00 committed by slavisa-baeldung
parent 674c783886
commit 38eb1a5f45
8 changed files with 0 additions and 243 deletions
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5
feign-hypermedia-client/README.md
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## Feign Hypermedia Client ##
This is the implementation of a [spring-hypermedia-api][1] client using Feign.
[1]: https://github.com/eugenp/spring-hypermedia-api

91
feign-hypermedia-client/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung.feign</groupId>
<artifactId>feign-hypermedia-client</artifactId>
<version>1.0.0-SNAPSHOT</version>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>io.github.openfeign</groupId>
<artifactId>feign-core</artifactId>
<version>9.3.1</version>
</dependency>
<dependency>
<groupId>io.github.openfeign</groupId>
<artifactId>feign-okhttp</artifactId>
<version>9.3.1</version>
</dependency>
<dependency>
<groupId>io.github.openfeign</groupId>
<artifactId>feign-gson</artifactId>
<version>9.3.1</version>
</dependency>
<dependency>
<groupId>io.github.openfeign</groupId>
<artifactId>feign-slf4j</artifactId>
<version>9.3.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.21</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.6.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.6.2</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.10</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>1.4.0.RELEASE</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>

26
feign-hypermedia-client/src/main/java/com/baeldung/feign/Controller.java
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package com.baeldung.feign;
import com.baeldung.feign.clients.BookClient;
import feign.Feign;
import feign.Logger;
import feign.gson.GsonDecoder;
import feign.gson.GsonEncoder;
import feign.okhttp.OkHttpClient;
import feign.slf4j.Slf4jLogger;
import lombok.Getter;
@Getter
public class Controller {
private BookClient bookClient = createClient(BookClient.class,
"http://localhost:8081/api/books");
private static <T> T createClient(Class<T> type, String uri) {
return Feign.builder()
.client(new OkHttpClient())
.encoder(new GsonEncoder())
.decoder(new GsonDecoder())
.logger(new Slf4jLogger(type))
.logLevel(Logger.Level.FULL)
.target(type, uri);
}
}

21
feign-hypermedia-client/src/main/java/com/baeldung/feign/clients/BookClient.java
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package com.baeldung.feign.clients;
import com.baeldung.feign.models.Book;
import com.baeldung.feign.models.BookResource;
import feign.Headers;
import feign.Param;
import feign.RequestLine;
import java.util.List;
public interface BookClient {
@RequestLine("GET /{isbn}")
BookResource findByIsbn(@Param("isbn") String isbn);
@RequestLine("GET")
List<BookResource> findAll();
@RequestLine("POST")
@Headers("Content-Type: application/json")
void create(Book book);
}

18
feign-hypermedia-client/src/main/java/com/baeldung/feign/models/Book.java
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package com.baeldung.feign.models;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@ToString
@NoArgsConstructor
@AllArgsConstructor
public class Book {
private String isbn;
private String author;
private String title;
private String synopsis;
private String language;
}

14
feign-hypermedia-client/src/main/java/com/baeldung/feign/models/BookResource.java
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package com.baeldung.feign.models;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@ToString
@NoArgsConstructor
@AllArgsConstructor
public class BookResource {
private Book book;
}

14
feign-hypermedia-client/src/main/resources/log4j2.xml
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36}:%n[+] %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Root level="debug">
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>

54
feign-hypermedia-client/src/test/java/com/baeldung/feign/clients/BookClientTest.java
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package com.baeldung.feign.clients;
import com.baeldung.feign.Controller;
import com.baeldung.feign.models.Book;
import com.baeldung.feign.models.BookResource;
import lombok.extern.slf4j.Slf4j;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
@Slf4j
@RunWith(JUnit4.class)
public class BookClientTest {
private Controller controller = new Controller();
@Test
public void givenBookClient_shouldRunSuccessfully() throws Exception {
BookClient bookClient = controller.getBookClient();
List<Book> books = bookClient.findAll().stream()
.map(BookResource::getBook)
.collect(Collectors.toList());
assertTrue(books.size() > 2);
log.info("{}", books);
}
@Test
public void givenBookClient_shouldFindOneBook() throws Exception {
BookClient bookClient = controller.getBookClient();
Book book = bookClient.findByIsbn("0151072558").getBook();
assertThat(book.getAuthor(), containsString("Orwell"));
log.info("{}", book);
}
@Test
public void givenBookClient_shouldPostBook() throws Exception {
BookClient bookClient = controller.getBookClient();
String isbn = UUID.randomUUID().toString();
Book book = new Book(isbn, "Me", "It's me!", null, null);
bookClient.create(book);
book = bookClient.findByIsbn(isbn).getBook();
assertThat(book.getAuthor(), is("Me"));
log.info("{}", book);
}
}