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Alessio Stalla
2019-10-24 13:20:08 +02:00
parent db85c8f275
commit c499158763
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spring-resttemplate/.gitignore
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*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear
spring-resttemplate/README.md
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## Spring RestTemplate
This module contains articles about Spring RestTemplate
### The Course
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles:
- [The Guide to RestTemplate](https://www.baeldung.com/rest-template)
- [Exploring the Spring Boot TestRestTemplate](https://www.baeldung.com/spring-boot-testresttemplate)
- [Spring RestTemplate Error Handling](https://www.baeldung.com/spring-rest-template-error-handling)
- [Configure a RestTemplate with RestTemplateBuilder](https://www.baeldung.com/spring-rest-template-builder)
- [Mocking a RestTemplate in Spring](https://www.baeldung.com/spring-mock-rest-template)
- [RestTemplate Post Request with JSON](https://www.baeldung.com/spring-resttemplate-post-json)
- [Download a Large File Through a Spring RestTemplate](https://www.baeldung.com/spring-resttemplate-download-large-file)
spring-resttemplate/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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</groupId>
<artifactId>spring-resttemplate</artifactId>
<version>0.1-SNAPSHOT</version>
<name>spring-resttemplate</name>
<packaging>war</packaging>
<parent>
<artifactId>parent-boot-2</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
<!-- Spring Boot Dependencies -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<exclusions>
<exclusion>
<artifactId>commons-logging</artifactId>
<groupId>commons-logging</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
</dependency>
<!-- marshalling -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
</dependency>
<dependency>
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream</artifactId>
<version>${xstream.version}</version>
</dependency>
<!-- util -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<!-- <scope>runtime</scope> -->
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
</dependency>
<!-- okhttp -->
<dependency>
<groupId>com.squareup.okhttp3</groupId>
<artifactId>okhttp</artifactId>
<version>${com.squareup.okhttp3.version}</version>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
</dependencies>
<build>
<finalName>spring-resttemplate</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<forkCount>3</forkCount>
<reuseForks>true</reuseForks>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*IntTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
<exclude>**/JdbcTest.java</exclude>
<exclude>**/*LiveTest.java</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<version>${cargo-maven2-plugin.version}</version>
<configuration>
<!--<wait>true</wait> caused errors on commit -->
<container>
<containerId>tomcat8x</containerId>
<type>embedded</type>
<systemProperties>
<!-- <provPersistenceTarget>cargo</provPersistenceTarget> -->
</systemProperties>
</container>
<configuration>
<properties>
<cargo.servlet.port>8082</cargo.servlet.port>
</properties>
</configuration>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>none</exclude>
</excludes>
<includes>
<include>**/*IntegrationTest.java</include>
<include>**/*IntTest.java</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>live</id>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<executions>
<execution>
<id>start-server</id>
<phase>pre-integration-test</phase>
<goals>
<goal>start</goal>
</goals>
</execution>
<execution>
<id>stop-server</id>
<phase>post-integration-test</phase>
<goals>
<goal>stop</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>none</exclude>
</excludes>
<includes>
<include>**/*LiveTest.java</include>
</includes>
<systemPropertyVariables>
<webTarget>cargo</webTarget>
</systemPropertyVariables>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<xstream.version>1.4.9</xstream.version>
<!-- util -->
<guava.version>20.0</guava.version>
<!-- Maven plugins -->
<cargo-maven2-plugin.version>1.6.0</cargo-maven2-plugin.version>
<findbugs-maven-plugin.version>3.0.4</findbugs-maven-plugin.version>
<!-- okhttp -->
<com.squareup.okhttp3.version>3.4.1</com.squareup.okhttp3.version>
</properties>
</project>
spring-resttemplate/src/main/java/org/baeldung/resttemplate/RestTemplateConfigurationApplication.java
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package org.baeldung.resttemplate;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
@EnableAutoConfiguration
public class RestTemplateConfigurationApplication {
public static void main(String[] args) {
SpringApplication.run(RestTemplateConfigurationApplication.class, args);
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/configuration/CustomClientHttpRequestInterceptor.java
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package org.baeldung.resttemplate.configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;
import java.io.IOException;
/**
* interceptor to log incoming requests
*/
public class CustomClientHttpRequestInterceptor implements ClientHttpRequestInterceptor {
private static final Logger LOGGER = LoggerFactory.getLogger(CustomClientHttpRequestInterceptor.class);
@Override
public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
logRequestDetails(request);
return execution.execute(request, body);
}
private void logRequestDetails(HttpRequest request) {
LOGGER.info("Request Headers: {}", request.getHeaders());
LOGGER.info("Request Method: {}", request.getMethod());
LOGGER.info("Request URI: {}", request.getURI());
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/configuration/CustomRestTemplateCustomizer.java
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package org.baeldung.resttemplate.configuration;
import org.springframework.boot.web.client.RestTemplateCustomizer;
import org.springframework.web.client.RestTemplate;
/**
* customize rest template with an interceptor
*/
public class CustomRestTemplateCustomizer implements RestTemplateCustomizer {
@Override
public void customize(RestTemplate restTemplate) {
restTemplate.getInterceptors().add(new CustomClientHttpRequestInterceptor());
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/configuration/FooController.java
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package org.baeldung.resttemplate.configuration;
import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
import java.net.URI;
import java.util.Collection;
import java.util.Map;
import org.baeldung.resttemplate.web.dto.Foo;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
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.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
@Controller
public class FooController {
private Map<Long, Foo> fooRepository = Maps.newHashMap(ImmutableMap.of(1L, new Foo(1L, randomAlphabetic(4))));
public FooController() {
super();
}
@RequestMapping(method = RequestMethod.GET, value = "/foos")
@ResponseBody
public Collection<Foo> findListOfFoo() {
return fooRepository.values();
}
// API - read
@RequestMapping(method = RequestMethod.GET, value = "/foos/{id}")
@ResponseBody
public Foo findById(@PathVariable final long id) throws HttpClientErrorException {
Foo foo = fooRepository.get(id);
if (foo == null) {
throw new HttpClientErrorException(HttpStatus.NOT_FOUND);
} else {
return foo;
}
}
// API - write
@RequestMapping(method = RequestMethod.PUT, value = "/foos/{id}")
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public Foo updateFoo(@PathVariable("id") final long id, @RequestBody final Foo foo) {
fooRepository.put(id, foo);
return foo;
}
@RequestMapping(method = RequestMethod.PATCH, value = "/foos/{id}")
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public Foo patchFoo(@PathVariable("id") final long id, @RequestBody final Foo foo) {
fooRepository.put(id, foo);
return foo;
}
@RequestMapping(method = RequestMethod.POST, value = "/foos")
@ResponseStatus(HttpStatus.CREATED)
@ResponseBody
public ResponseEntity<Foo> postFoo(@RequestBody final Foo foo) {
fooRepository.put(foo.getId(), foo);
final URI location = ServletUriComponentsBuilder
.fromCurrentServletMapping()
.path("/foos/{id}")
.build()
.expand(foo.getId())
.toUri();
final HttpHeaders headers = new HttpHeaders();
headers.setLocation(location);
final ResponseEntity<Foo> entity = new ResponseEntity<Foo>(foo, headers, HttpStatus.CREATED);
return entity;
}
@RequestMapping(method = RequestMethod.HEAD, value = "/foos")
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public Foo headFoo() {
return new Foo(1, randomAlphabetic(4));
}
@RequestMapping(method = RequestMethod.POST, value = "/foos/new")
@ResponseStatus(HttpStatus.CREATED)
@ResponseBody
public Foo createFoo(@RequestBody final Foo foo) {
fooRepository.put(foo.getId(), foo);
return foo;
}
@RequestMapping(method = RequestMethod.DELETE, value = "/foos/{id}")
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public long deleteFoo(@PathVariable final long id) {
fooRepository.remove(id);
return id;
}
@RequestMapping(method = RequestMethod.POST, value = "/foos/form")
@ResponseStatus(HttpStatus.CREATED)
@ResponseBody
public String submitFoo(@RequestParam("id") String id) {
return id;
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/configuration/HelloController.java
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package org.baeldung.resttemplate.configuration;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
/**
* Controller to test RestTemplate configuration
*/
@RestController
public class HelloController {
private static final String RESOURCE_URL = "http://localhost:8082/spring-rest/baz";
private RestTemplate restTemplate;
@Autowired
public HelloController(RestTemplateBuilder builder) {
this.restTemplate = builder.build();
}
@RequestMapping("/foo")
public String foo() {
ResponseEntity<String> response = restTemplate.getForEntity(RESOURCE_URL, String.class);
return response.getBody();
}
@RequestMapping("/baz")
public String baz() {
return "Foo";
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/configuration/SpringConfig.java
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package org.baeldung.resttemplate.configuration;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.web.client.RestTemplate;
@Configuration
@EnableAutoConfiguration
@ComponentScan("org.baeldung.resttemplate.configuration")
public class SpringConfig {
@Bean
@Qualifier("customRestTemplateCustomizer")
public CustomRestTemplateCustomizer customRestTemplateCustomizer() {
return new CustomRestTemplateCustomizer();
}
@Bean
@DependsOn(value = {"customRestTemplateCustomizer"})
public RestTemplateBuilder restTemplateBuilder() {
return new RestTemplateBuilder(customRestTemplateCustomizer());
}
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/controller/PersonAPI.java
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package org.baeldung.resttemplate.web.controller;
import javax.servlet.http.HttpServletResponse;
import org.baeldung.resttemplate.web.dto.Person;
import org.baeldung.resttemplate.web.service.PersonService;
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 org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
@RestController
public class PersonAPI {
@Autowired
private PersonService personService;
@GetMapping("/")
public String home() {
return "Spring boot is working!";
}
@PostMapping(value = "/createPerson", consumes = "application/json", produces = "application/json")
public Person createPerson(@RequestBody Person person) {
return personService.saveUpdatePerson(person);
}
@PostMapping(value = "/updatePerson", consumes = "application/json", produces = "application/json")
public Person updatePerson(@RequestBody Person person, HttpServletResponse response) {
response.setHeader("Location", ServletUriComponentsBuilder.fromCurrentContextPath()
.path("/findPerson/" + person.getId())
.toUriString());
return personService.saveUpdatePerson(person);
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/dto/Foo.java
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package org.baeldung.resttemplate.web.dto;
import com.thoughtworks.xstream.annotations.XStreamAlias;
@XStreamAlias("Foo")
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;
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/dto/Person.java
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package org.baeldung.resttemplate.web.dto;
public class Person {
private Integer id;
private String name;
public Person() {
}
public Person(Integer id, String name) {
this.id = id;
this.name = name;
}
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;
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/exception/NotFoundException.java
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package org.baeldung.resttemplate.web.exception;
public class NotFoundException extends RuntimeException {
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/handler/RestTemplateResponseErrorHandler.java
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package org.baeldung.resttemplate.web.handler;
import java.io.IOException;
import org.baeldung.resttemplate.web.exception.NotFoundException;
import org.springframework.http.HttpStatus;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.ResponseErrorHandler;
@Component
public class RestTemplateResponseErrorHandler
implements ResponseErrorHandler {
@Override
public boolean hasError(ClientHttpResponse httpResponse)
throws IOException {
return (httpResponse
.getStatusCode()
.series() == HttpStatus.Series.CLIENT_ERROR || httpResponse
.getStatusCode()
.series() == HttpStatus.Series.SERVER_ERROR);
}
@Override
public void handleError(ClientHttpResponse httpResponse)
throws IOException {
if (httpResponse
.getStatusCode()
.series() == HttpStatus.Series.SERVER_ERROR) {
//Handle SERVER_ERROR
throw new HttpClientErrorException(httpResponse.getStatusCode());
} else if (httpResponse
.getStatusCode()
.series() == HttpStatus.Series.CLIENT_ERROR) {
//Handle CLIENT_ERROR
if (httpResponse.getStatusCode() == HttpStatus.NOT_FOUND) {
throw new NotFoundException();
}
}
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/model/Bar.java
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package org.baeldung.resttemplate.web.model;
public class Bar {
private String id;
private String name;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/model/Employee.java
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package org.baeldung.resttemplate.web.model;
import java.util.Date;
import java.util.Objects;
public class Employee {
private String id;
private String name;
public Employee(String id, String name) {
this.id = id;
this.name = name;
}
public Employee() {
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
Employee employee = (Employee) o;
return Objects.equals(id, employee.id);
}
@Override public int hashCode() {
return Objects.hash(id);
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/service/BarConsumerService.java
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package org.baeldung.resttemplate.web.service;
import org.baeldung.resttemplate.web.handler.RestTemplateResponseErrorHandler;
import org.baeldung.resttemplate.web.model.Bar;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
@Service
public class BarConsumerService {
private RestTemplate restTemplate;
@Autowired
public BarConsumerService(RestTemplateBuilder restTemplateBuilder) {
restTemplate = restTemplateBuilder
.errorHandler(new RestTemplateResponseErrorHandler())
.build();
}
public Bar fetchBarById(String barId) {
return restTemplate.getForObject("/bars/4242", Bar.class);
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/service/EmployeeService.java
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package org.baeldung.resttemplate.web.service;
import org.baeldung.resttemplate.web.model.Employee;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
@Service
public class EmployeeService {
static final String EMP_URL_PREFIX = "http://localhost:8080/employee";
static final String URL_SEP = "/";
private static final Logger logger = LoggerFactory.getLogger(EmployeeService.class);
@Autowired
private RestTemplate restTemplate;
public Employee getEmployee(String id) {
ResponseEntity<Employee> resp = restTemplate.getForEntity("http://localhost:8080/employee/" + id,
Employee.class);
return resp.getStatusCode() == HttpStatus.OK ? resp.getBody() : null;
}
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/service/PersonService.java
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package org.baeldung.resttemplate.web.service;
import org.baeldung.resttemplate.web.dto.Person;
public interface PersonService {
public Person saveUpdatePerson(Person person);
public Person findPersonById(Integer id);
}
spring-resttemplate/src/main/java/org/baeldung/resttemplate/web/service/PersonServiceImpl.java
+19
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package org.baeldung.resttemplate.web.service;
import org.baeldung.resttemplate.web.dto.Person;
import org.springframework.stereotype.Component;
@Component
public class PersonServiceImpl implements PersonService {
@Override
public Person saveUpdatePerson(Person person) {
return person;
}
@Override
public Person findPersonById(Integer id) {
return new Person(id, "John");
}
}
spring-resttemplate/src/main/resources/application.properties
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@@ -0,0 +1,2 @@
server.port=8082
server.servlet.context-path=/spring-rest
spring-resttemplate/src/main/resources/logback.xml
+23
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@@ -0,0 +1,23 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<logger name="org.springframework.web.filter.CommonsRequestLoggingFilter">
<level value="DEBUG" />
</logger>
<logger name="org.springframework" level="WARN" />
<logger name="org.springframework.transaction" level="WARN" />
<!-- in order to debug some marshalling issues, this needs to be TRACE -->
<logger name="org.springframework.web.servlet.mvc" level="WARN" />
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>
spring-resttemplate/src/test/java/org/baeldung/SpringContextIntegrationTest.java
+16
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@@ -0,0 +1,16 @@
package org.baeldung;
import org.baeldung.resttemplate.RestTemplateConfigurationApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = RestTemplateConfigurationApplication.class)
public class SpringContextIntegrationTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}
spring-resttemplate/src/test/java/org/baeldung/SpringContextTest.java
+16
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@@ -0,0 +1,16 @@
package org.baeldung;
import org.baeldung.resttemplate.RestTemplateConfigurationApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = RestTemplateConfigurationApplication.class)
public class SpringContextTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}
spring-resttemplate/src/test/java/org/baeldung/SpringTestConfig.java
+19
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@@ -0,0 +1,19 @@
package org.baeldung;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;
@Configuration
@EnableAutoConfiguration
@ComponentScan("org.baeldung")
public class SpringTestConfig {
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
}
spring-resttemplate/src/test/java/org/baeldung/client/Consts.java
+5
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@@ -0,0 +1,5 @@
package org.baeldung.client;
public interface Consts {
int APPLICATION_PORT = 8082;
}
spring-resttemplate/src/test/java/org/baeldung/client/TestRestTemplateBasicLiveTest.java
+123
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package org.baeldung.client;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertTrue;
import org.baeldung.resttemplate.web.dto.Foo;
import org.junit.Before;
import org.junit.Test;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import okhttp3.Request;
import okhttp3.RequestBody;
public class TestRestTemplateBasicLiveTest {
private RestTemplate restTemplate;
private static final String FOO_RESOURCE_URL = "http://localhost:" + 8082 + "/spring-rest/foos";
private static final String URL_SECURED_BY_AUTHENTICATION = "http://httpbin.org/basic-auth/user/passwd";
private static final String BASE_URL = "http://localhost:" + 8082 + "/spring-rest";
@Before
public void beforeTest() {
restTemplate = new RestTemplate();
}
// GET
@Test
public void givenTestRestTemplate_whenSendGetForEntity_thenStatusOk() {
TestRestTemplate testRestTemplate = new TestRestTemplate();
ResponseEntity<Foo> response = testRestTemplate.getForEntity(FOO_RESOURCE_URL + "/1", Foo.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenRestTemplateWrapper_whenSendGetForEntity_thenStatusOk() {
RestTemplateBuilder restTemplateBuilder = new RestTemplateBuilder();
restTemplateBuilder.configure(restTemplate);
TestRestTemplate testRestTemplate = new TestRestTemplate(restTemplateBuilder);
ResponseEntity<Foo> response = testRestTemplate.getForEntity(FOO_RESOURCE_URL + "/1", Foo.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenRestTemplateBuilderWrapper_whenSendGetForEntity_thenStatusOk() {
RestTemplateBuilder restTemplateBuilder = new RestTemplateBuilder();
restTemplateBuilder.build();
TestRestTemplate testRestTemplate = new TestRestTemplate(restTemplateBuilder);
ResponseEntity<Foo> response = testRestTemplate.getForEntity(FOO_RESOURCE_URL + "/1", Foo.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenRestTemplateWrapperWithCredentials_whenSendGetForEntity_thenStatusOk() {
RestTemplateBuilder restTemplateBuilder = new RestTemplateBuilder();
restTemplateBuilder.configure(restTemplate);
TestRestTemplate testRestTemplate = new TestRestTemplate(restTemplateBuilder, "user", "passwd");
ResponseEntity<String> response = testRestTemplate.getForEntity(URL_SECURED_BY_AUTHENTICATION,
String.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenTestRestTemplateWithCredentials_whenSendGetForEntity_thenStatusOk() {
TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd");
ResponseEntity<String> response = testRestTemplate.getForEntity(URL_SECURED_BY_AUTHENTICATION,
String.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenTestRestTemplateWithBasicAuth_whenSendGetForEntity_thenStatusOk() {
TestRestTemplate testRestTemplate = new TestRestTemplate();
ResponseEntity<String> response = testRestTemplate.withBasicAuth("user", "passwd").
getForEntity(URL_SECURED_BY_AUTHENTICATION, String.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenTestRestTemplateWithCredentialsAndEnabledCookies_whenSendGetForEntity_thenStatusOk() {
TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd", TestRestTemplate.
HttpClientOption.ENABLE_COOKIES);
ResponseEntity<String> response = testRestTemplate.getForEntity(URL_SECURED_BY_AUTHENTICATION,
String.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
// HEAD
@Test
public void givenFooService_whenCallHeadForHeaders_thenReceiveAllHeaders() {
TestRestTemplate testRestTemplate = new TestRestTemplate();
final HttpHeaders httpHeaders = testRestTemplate.headForHeaders(FOO_RESOURCE_URL);
assertTrue(httpHeaders.getContentType().includes(MediaType.APPLICATION_JSON));
}
// POST
@Test
public void givenService_whenPostForObject_thenCreatedObjectIsReturned() {
TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd");
final RequestBody body = RequestBody.create(okhttp3.MediaType.parse("text/html; charset=utf-8"),
"{\"id\":1,\"name\":\"Jim\"}");
final Request request = new Request.Builder().url(BASE_URL + "/users/detail").post(body).build();
testRestTemplate.postForObject(URL_SECURED_BY_AUTHENTICATION, request, String.class);
}
// PUT
@Test
public void givenService_whenPutForObject_thenCreatedObjectIsReturned() {
TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd");
final RequestBody body = RequestBody.create(okhttp3.MediaType.parse("text/html; charset=utf-8"),
"{\"id\":1,\"name\":\"Jim\"}");
final Request request = new Request.Builder().url(BASE_URL + "/users/detail").post(body).build();
testRestTemplate.put(URL_SECURED_BY_AUTHENTICATION, request, String.class);
}
}
spring-resttemplate/src/test/java/org/baeldung/resttemplate/LargeFileDownloadIntegrationTest.java
+109
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package org.baeldung.resttemplate;
import org.assertj.core.api.Assertions;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.io.FileSystemResource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.util.StreamUtils;
import org.springframework.web.client.RestTemplate;
import java.io.File;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;
public class LargeFileDownloadIntegrationTest {
static String FILE_URL = "http://ovh.net/files/1Mio.dat";
RestTemplate restTemplate;
@Before
public void setUp() {
restTemplate = new RestTemplate();
}
@Test
public void givenResumableUrl_whenUrlCalledByHeadOption_thenExpectHeadersAvailable() {
HttpHeaders headers = restTemplate.headForHeaders(FILE_URL);
Assertions
.assertThat(headers.get("Accept-Ranges"))
.contains("bytes");
Assertions
.assertThat(headers.getContentLength())
.isGreaterThan(0);
}
@Test
public void givenResumableUrl_whenDownloadCompletely_thenExpectCorrectFileSize() {
HttpHeaders headers = restTemplate.headForHeaders(FILE_URL);
long contentLength = headers.getContentLength();
File file = restTemplate.execute(FILE_URL, HttpMethod.GET, null, clientHttpResponse -> {
File ret = File.createTempFile("download", "tmp");
StreamUtils.copy(clientHttpResponse.getBody(), new FileOutputStream(ret));
return ret;
});
Assert.assertNotNull(file);
Assertions
.assertThat(file.length())
.isEqualTo(contentLength);
}
@Test
public void givenResumableUrl_whenDownloadRange_thenExpectFileSizeEqualOrLessThanRange() {
int range = 10;
File file = restTemplate.execute(FILE_URL, HttpMethod.GET, clientHttpRequest -> clientHttpRequest
.getHeaders()
.set("Range", String.format("bytes=0-%d", range - 1)), clientHttpResponse -> {
File ret = File.createTempFile("download", "tmp");
StreamUtils.copy(clientHttpResponse.getBody(), new FileOutputStream(ret));
return ret;
});
Assert.assertNotNull(file);
Assertions
.assertThat(file.length())
.isLessThanOrEqualTo(range);
}
@Test
public void givenResumableUrl_whenPauseDownloadAndResume_thenExpectCorrectFileSize() {
int range = 10;
HttpHeaders headers = restTemplate.headForHeaders(FILE_URL);
long contentLength = headers.getContentLength();
File file = restTemplate.execute(FILE_URL, HttpMethod.GET, clientHttpRequest -> clientHttpRequest
.getHeaders()
.set("Range", String.format("bytes=0-%d", range - 1)), clientHttpResponse -> {
File ret = File.createTempFile("download", "tmp");
StreamUtils.copy(clientHttpResponse.getBody(), new FileOutputStream(ret));
return ret;
});
Assert.assertNotNull(file);
Assertions
.assertThat(file.length())
.isLessThanOrEqualTo(range);
restTemplate.execute(FILE_URL, HttpMethod.GET, clientHttpRequest -> clientHttpRequest
.getHeaders()
.set("Range", String.format("bytes=%d-%d", file.length(), contentLength)), clientHttpResponse -> {
StreamUtils.copy(clientHttpResponse.getBody(), new FileOutputStream(file, true));
return file;
});
Assertions
.assertThat(file.length())
.isEqualTo(contentLength);
}
}
spring-resttemplate/src/test/java/org/baeldung/resttemplate/RestTemplateBasicLiveTest.java
+272
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package org.baeldung.resttemplate;
import static org.apache.commons.codec.binary.Base64.encodeBase64;
import static org.baeldung.client.Consts.APPLICATION_PORT;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.net.URI;
import java.util.Arrays;
import java.util.Set;
import org.baeldung.resttemplate.web.dto.Foo;
import org.baeldung.resttemplate.web.handler.RestTemplateResponseErrorHandler;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.RequestCallback;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import com.google.common.base.Charsets;
public class RestTemplateBasicLiveTest {
private RestTemplate restTemplate;
private static final String fooResourceUrl = "http://localhost:" + APPLICATION_PORT + "/spring-rest/foos";
@Before
public void beforeTest() {
restTemplate = new RestTemplate();
restTemplate.setErrorHandler(new RestTemplateResponseErrorHandler());
// restTemplate.setMessageConverters(Arrays.asList(new MappingJackson2HttpMessageConverter()));
}
// GET
@Test
public void givenResourceUrl_whenSendGetForRequestEntity_thenStatusOk() throws IOException {
final ResponseEntity<Foo> response = restTemplate.getForEntity(fooResourceUrl + "/1", Foo.class);
assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
}
@Test
public void givenResourceUrl_whenSendGetForRequestEntity_thenBodyCorrect() throws IOException {
final RestTemplate template = new RestTemplate();
final ResponseEntity<String> response = template.getForEntity(fooResourceUrl + "/1", String.class);
final ObjectMapper mapper = new XmlMapper();
final JsonNode root = mapper.readTree(response.getBody());
final JsonNode name = root.path("name");
assertThat(name.asText(), notNullValue());
}
@Test
public void givenResourceUrl_whenRetrievingResource_thenCorrect() throws IOException {
final Foo foo = restTemplate.getForObject(fooResourceUrl + "/1", Foo.class);
assertThat(foo.getName(), notNullValue());
assertThat(foo.getId(), is(1L));
}
// HEAD, OPTIONS
@Test
public void givenFooService_whenCallHeadForHeaders_thenReceiveAllHeadersForThatResource() {
final HttpHeaders httpHeaders = restTemplate.headForHeaders(fooResourceUrl);
assertTrue(httpHeaders.getContentType()
.includes(MediaType.APPLICATION_JSON));
}
// POST
@Test
public void givenFooService_whenPostForObject_thenCreatedObjectIsReturned() {
final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"));
final Foo foo = restTemplate.postForObject(fooResourceUrl, request, Foo.class);
assertThat(foo, notNullValue());
assertThat(foo.getName(), is("bar"));
}
@Test
public void givenFooService_whenPostForLocation_thenCreatedLocationIsReturned() {
final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"));
final URI location = restTemplate.postForLocation(fooResourceUrl, request, Foo.class);
assertThat(location, notNullValue());
}
@Test
public void givenFooService_whenPostResource_thenResourceIsCreated() {
final Foo foo = new Foo("bar");
final ResponseEntity<Foo> response = restTemplate.postForEntity(fooResourceUrl, foo, Foo.class);
assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
final Foo fooResponse = response.getBody();
assertThat(fooResponse, notNullValue());
assertThat(fooResponse.getName(), is("bar"));
}
@Test
public void givenFooService_whenCallOptionsForAllow_thenReceiveValueOfAllowHeader() {
final Set<HttpMethod> optionsForAllow = restTemplate.optionsForAllow(fooResourceUrl);
final HttpMethod[] supportedMethods = { HttpMethod.GET, HttpMethod.POST, HttpMethod.HEAD };
assertTrue(optionsForAllow.containsAll(Arrays.asList(supportedMethods)));
}
// PUT
@Test
public void givenFooService_whenPutExistingEntity_thenItIsUpdated() {
final HttpHeaders headers = prepareBasicAuthHeaders();
final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"), headers);
// Create Resource
final ResponseEntity<Foo> createResponse = restTemplate.exchange(fooResourceUrl, HttpMethod.POST, request, Foo.class);
// Update Resource
final Foo updatedInstance = new Foo("newName");
updatedInstance.setId(createResponse.getBody()
.getId());
final String resourceUrl = fooResourceUrl + '/' + createResponse.getBody()
.getId();
final HttpEntity<Foo> requestUpdate = new HttpEntity<>(updatedInstance, headers);
restTemplate.exchange(resourceUrl, HttpMethod.PUT, requestUpdate, Void.class);
// Check that Resource was updated
final ResponseEntity<Foo> updateResponse = restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<>(headers), Foo.class);
final Foo foo = updateResponse.getBody();
assertThat(foo.getName(), is(updatedInstance.getName()));
}
@Test
public void givenFooService_whenPutExistingEntityWithCallback_thenItIsUpdated() {
final HttpHeaders headers = prepareBasicAuthHeaders();
final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"), headers);
// Create entity
ResponseEntity<Foo> response = restTemplate.exchange(fooResourceUrl, HttpMethod.POST, request, Foo.class);
assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
// Update entity
final Foo updatedInstance = new Foo("newName");
updatedInstance.setId(response.getBody()
.getId());
final String resourceUrl = fooResourceUrl + '/' + response.getBody()
.getId();
restTemplate.execute(resourceUrl, HttpMethod.PUT, requestCallback(updatedInstance), clientHttpResponse -> null);
// Check that entity was updated
response = restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<>(headers), Foo.class);
final Foo foo = response.getBody();
assertThat(foo.getName(), is(updatedInstance.getName()));
}
// PATCH
@Test
public void givenFooService_whenPatchExistingEntity_thenItIsUpdated() {
final HttpHeaders headers = prepareBasicAuthHeaders();
final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"), headers);
// Create Resource
final ResponseEntity<Foo> createResponse = restTemplate.exchange(fooResourceUrl, HttpMethod.POST, request, Foo.class);
// Update Resource
final Foo updatedResource = new Foo("newName");
updatedResource.setId(createResponse.getBody()
.getId());
final String resourceUrl = fooResourceUrl + '/' + createResponse.getBody()
.getId();
final HttpEntity<Foo> requestUpdate = new HttpEntity<>(updatedResource, headers);
final ClientHttpRequestFactory requestFactory = getClientHttpRequestFactory();
final RestTemplate template = new RestTemplate(requestFactory);
template.setMessageConverters(Arrays.asList(new MappingJackson2HttpMessageConverter()));
template.patchForObject(resourceUrl, requestUpdate, Void.class);
// Check that Resource was updated
final ResponseEntity<Foo> updateResponse = restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<>(headers), Foo.class);
final Foo foo = updateResponse.getBody();
assertThat(foo.getName(), is(updatedResource.getName()));
}
// DELETE
@Test
public void givenFooService_whenCallDelete_thenEntityIsRemoved() {
final Foo foo = new Foo("remove me");
final ResponseEntity<Foo> response = restTemplate.postForEntity(fooResourceUrl, foo, Foo.class);
assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
final String entityUrl = fooResourceUrl + "/" + response.getBody()
.getId();
restTemplate.delete(entityUrl);
try {
restTemplate.getForEntity(entityUrl, Foo.class);
fail();
} catch (final HttpClientErrorException ex) {
assertThat(ex.getStatusCode(), is(HttpStatus.INTERNAL_SERVER_ERROR));
}
}
@Test
public void givenFooService_whenFormSubmit_thenResourceIsCreated() {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
MultiValueMap<String, String> map= new LinkedMultiValueMap<>();
map.add("id", "10");
HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(map, headers);
ResponseEntity<String> response = restTemplate.postForEntity( fooResourceUrl+"/form", request , String.class);
assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
final String fooResponse = response.getBody();
assertThat(fooResponse, notNullValue());
assertThat(fooResponse, is("10"));
}
private HttpHeaders prepareBasicAuthHeaders() {
final HttpHeaders headers = new HttpHeaders();
final String encodedLogPass = getBase64EncodedLogPass();
headers.add(HttpHeaders.AUTHORIZATION, "Basic " + encodedLogPass);
return headers;
}
private String getBase64EncodedLogPass() {
final String logPass = "user1:user1Pass";
final byte[] authHeaderBytes = encodeBase64(logPass.getBytes(Charsets.US_ASCII));
return new String(authHeaderBytes, Charsets.US_ASCII);
}
private RequestCallback requestCallback(final Foo updatedInstance) {
return clientHttpRequest -> {
final ObjectMapper mapper = new ObjectMapper();
mapper.writeValue(clientHttpRequest.getBody(), updatedInstance);
clientHttpRequest.getHeaders()
.add(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
clientHttpRequest.getHeaders()
.add(HttpHeaders.AUTHORIZATION, "Basic " + getBase64EncodedLogPass());
};
}
// Simply setting restTemplate timeout using ClientHttpRequestFactory
ClientHttpRequestFactory getClientHttpRequestFactory() {
final int timeout = 5;
final HttpComponentsClientHttpRequestFactory clientHttpRequestFactory = new HttpComponentsClientHttpRequestFactory();
clientHttpRequestFactory.setConnectTimeout(timeout * 1000);
return clientHttpRequestFactory;
}
}
spring-resttemplate/src/test/java/org/baeldung/resttemplate/postjson/PersonAPILiveTest.java
+97
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package org.baeldung.resttemplate.postjson;
import static org.junit.Assert.assertNotNull;
import java.io.IOException;
import java.net.URI;
import org.baeldung.resttemplate.RestTemplateConfigurationApplication;
import org.baeldung.resttemplate.web.dto.Person;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = RestTemplateConfigurationApplication.class)
public class PersonAPILiveTest {
private static String createPersonUrl;
private static String updatePersonUrl;
private static RestTemplate restTemplate;
private static HttpHeaders headers;
private final ObjectMapper objectMapper = new ObjectMapper();
private static JSONObject personJsonObject;
@BeforeClass
public static void runBeforeAllTestMethods() throws JSONException {
createPersonUrl = "http://localhost:8082/spring-rest/createPerson";
updatePersonUrl = "http://localhost:8082/spring-rest/updatePerson";
restTemplate = new RestTemplate();
headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
personJsonObject = new JSONObject();
personJsonObject.put("id", 1);
personJsonObject.put("name", "John");
}
@Test
public void givenDataIsJson_whenDataIsPostedByPostForObject_thenResponseBodyIsNotNull() throws IOException {
HttpEntity<String> request = new HttpEntity<String>(personJsonObject.toString(), headers);
String personResultAsJsonStr = restTemplate.postForObject(createPersonUrl, request, String.class);
JsonNode root = objectMapper.readTree(personResultAsJsonStr);
Person person = restTemplate.postForObject(createPersonUrl, request, Person.class);
assertNotNull(personResultAsJsonStr);
assertNotNull(root);
assertNotNull(root.path("name")
.asText());
assertNotNull(person);
assertNotNull(person.getName());
}
@Test
public void givenDataIsJson_whenDataIsPostedByPostForEntity_thenResponseBodyIsNotNull() throws IOException {
HttpEntity<String> request = new HttpEntity<String>(personJsonObject.toString(), headers);
ResponseEntity<String> responseEntityStr = restTemplate.postForEntity(createPersonUrl, request, String.class);
JsonNode root = objectMapper.readTree(responseEntityStr.getBody());
ResponseEntity<Person> responseEntityPerson = restTemplate.postForEntity(createPersonUrl, request, Person.class);
assertNotNull(responseEntityStr.getBody());
assertNotNull(root.path("name")
.asText());
assertNotNull(responseEntityPerson.getBody());
assertNotNull(responseEntityPerson.getBody()
.getName());
}
@Test
public void givenDataIsJson_whenDataIsPostedByPostForLocation_thenResponseBodyIsTheLocationHeader() throws JsonProcessingException {
HttpEntity<String> request = new HttpEntity<String>(personJsonObject.toString(), headers);
URI locationHeader = restTemplate.postForLocation(updatePersonUrl, request);
assertNotNull(locationHeader);
}
}
spring-resttemplate/src/test/java/org/baeldung/web/handler/RestTemplateResponseErrorHandlerIntegrationTest.java
+49
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@@ -0,0 +1,49 @@
package org.baeldung.web.handler;
import org.baeldung.resttemplate.web.exception.NotFoundException;
import org.baeldung.resttemplate.web.handler.RestTemplateResponseErrorHandler;
import org.baeldung.resttemplate.web.model.Bar;
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.autoconfigure.web.client.RestClientTest;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.client.ExpectedCount;
import org.springframework.test.web.client.MockRestServiceServer;
import org.springframework.web.client.RestTemplate;
import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = { NotFoundException.class, Bar.class })
@RestClientTest
public class RestTemplateResponseErrorHandlerIntegrationTest {
@Autowired private MockRestServiceServer server;
@Autowired private RestTemplateBuilder builder;
@Test(expected = NotFoundException.class)
public void givenRemoteApiCall_when404Error_thenThrowNotFound() {
Assert.assertNotNull(this.builder);
Assert.assertNotNull(this.server);
RestTemplate restTemplate = this.builder
.errorHandler(new RestTemplateResponseErrorHandler())
.build();
this.server
.expect(ExpectedCount.once(), requestTo("/bars/4242"))
.andExpect(method(HttpMethod.GET))
.andRespond(withStatus(HttpStatus.NOT_FOUND));
Bar response = restTemplate.getForObject("/bars/4242", Bar.class);
this.server.verify();
}
}
spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceMockRestServiceServerUnitTest.java
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package org.baeldung.web.service;
import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
import java.net.URI;
import org.baeldung.SpringTestConfig;
import org.baeldung.resttemplate.web.model.Employee;
import org.baeldung.resttemplate.web.service.EmployeeService;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.client.ExpectedCount;
import org.springframework.test.web.client.MockRestServiceServer;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.databind.ObjectMapper;
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = SpringTestConfig.class)
public class EmployeeServiceMockRestServiceServerUnitTest {
private static final Logger logger = LoggerFactory.getLogger(EmployeeServiceMockRestServiceServerUnitTest.class);
@Autowired
private EmployeeService empService;
@Autowired
private RestTemplate restTemplate;
private MockRestServiceServer mockServer;
private ObjectMapper mapper = new ObjectMapper();
@Before
public void init() {
mockServer = MockRestServiceServer.createServer(restTemplate);
}
@Test
public void givenMockingIsDoneByMockRestServiceServer_whenGetIsCalled_shouldReturnMockedObject() throws Exception {
Employee emp = new Employee("E001", "Eric Simmons");
mockServer.expect(ExpectedCount.once(),
requestTo(new URI("http://localhost:8080/employee/E001")))
.andExpect(method(HttpMethod.GET))
.andRespond(withStatus(HttpStatus.OK)
.contentType(MediaType.APPLICATION_JSON)
.body(mapper.writeValueAsString(emp)));
Employee employee = empService.getEmployee("E001");
mockServer.verify();
Assert.assertEquals(emp, employee);
}
}
spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceUnitTest.java
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package org.baeldung.web.service;
import org.baeldung.resttemplate.web.model.Employee;
import org.baeldung.resttemplate.web.service.EmployeeService;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.mockito.runners.MockitoJUnitRunner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
@RunWith(MockitoJUnitRunner.class)
public class EmployeeServiceUnitTest {
private static final Logger logger = LoggerFactory.getLogger(EmployeeServiceUnitTest.class);
@Mock
private RestTemplate restTemplate;
@InjectMocks
private EmployeeService empService = new EmployeeService();
@Test
public void givenMockingIsDoneByMockito_whenGetIsCalled_shouldReturnMockedObject() throws Exception {
Employee emp = new Employee("E001", "Eric Simmons");
Mockito.when(restTemplate.getForEntity("http://localhost:8080/employee/E001", Employee.class))
.thenReturn(new ResponseEntity(emp, HttpStatus.OK));
Employee employee = empService.getEmployee("E001");
Assert.assertEquals(emp, employee);
}
}
spring-resttemplate/src/test/resources/.gitignore
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*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear
spring-resttemplate/src/test/resources/logback-test.xml
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<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<logger name="org.springframework.web.filter.CommonsRequestLoggingFilter">
<level value="DEBUG" />
</logger>
<logger name="org.springframework" level="WARN" />
<logger name="org.springframework.transaction" level="WARN" />
<!-- in order to debug some marshalling issues, this needs to be TRACE -->
<logger name="org.springframework.web.servlet.mvc" level="WARN" />
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>