Added spring-rest-template
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micropatel
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*.class
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#folders#
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/target
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/neoDb*
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/data
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/src/main/webapp/WEB-INF/classes
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*/META-INF/*
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*/.idea/*
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# Packaged files #
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*.jar
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*.war
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*.ear
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## Spring REST Templat Example Project
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### The Course
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The "REST With Spring" Classes: http://bit.ly/restwithspring
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### Relevant Articles:
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- [Spring @RequestMapping](http://www.baeldung.com/spring-requestmapping)
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- [Http Message Converters with the Spring Framework](http://www.baeldung.com/spring-httpmessageconverter-rest)
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- [Redirect in Spring](http://www.baeldung.com/spring-redirect-and-forward)
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- [Returning Custom Status Codes from Spring Controllers](http://www.baeldung.com/spring-mvc-controller-custom-http-status-code)
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- [A Guide to OkHttp](http://www.baeldung.com/guide-to-okhttp)
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- [Binary Data Formats in a Spring REST API](http://www.baeldung.com/spring-rest-api-with-binary-data-formats)
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- [Guide to UriComponentsBuilder in Spring](http://www.baeldung.com/spring-uricomponentsbuilder)
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- [Introduction to FindBugs](http://www.baeldung.com/intro-to-findbugs)
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- [A Custom Media Type for a Spring REST API](http://www.baeldung.com/spring-rest-custom-media-type)
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- [HTTP PUT vs HTTP PATCH in a REST API](http://www.baeldung.com/http-put-patch-difference-spring)
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- [Exploring the Spring Boot TestRestTemplate](http://www.baeldung.com/spring-boot-testresttemplate)
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- [Spring – Log Incoming Requests](http://www.baeldung.com/spring-http-logging)
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- [RequestBody and ResponseBody Annotations](http://www.baeldung.com/requestbody-and-responsebody-annotations)
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- [Introduction to CheckStyle](http://www.baeldung.com/checkstyle-java)
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- [How to Change the Default Port in Spring Boot](http://www.baeldung.com/spring-boot-change-port)
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- [Guide to DeferredResult in Spring](http://www.baeldung.com/spring-deferred-result)
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- [Spring Custom Property Editor](http://www.baeldung.com/spring-mvc-custom-property-editor)
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- [Using the Spring RestTemplate Interceptor](http://www.baeldung.com/spring-rest-template-interceptor)
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- [Configure a RestTemplate with RestTemplateBuilder](http://www.baeldung.com/spring-rest-template-builder)
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE module PUBLIC
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"-//Puppy Crawl//DTD Check Configuration 1.3//EN"
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"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
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<module name="Checker">
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<module name="TreeWalker">
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<module name="AvoidStarImport">
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<property name="severity" value="warning" />
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</module>
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</module>
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</module>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>spring-rest-template</artifactId>
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<version>0.1-SNAPSHOT</version>
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<name>spring-rest-template</name>
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<packaging>jar</packaging>
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<parent>
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<artifactId>parent-boot-2</artifactId>
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<groupId>com.baeldung</groupId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-boot-2</relativePath>
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</parent>
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<dependencies>
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<!-- Spring -->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<exclusions>
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<exclusion>
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<artifactId>commons-logging</artifactId>
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<groupId>commons-logging</groupId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependencies>
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<build>
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<finalName>spring-rest-template</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-checkstyle-plugin</artifactId>
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<version>${checkstyle-maven-plugin.version}</version>
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<configuration>
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<configLocation>checkstyle.xml</configLocation>
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</configuration>
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<executions>
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<execution>
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<goals>
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<goal>check</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<configuration>
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<forkCount>3</forkCount>
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<reuseForks>true</reuseForks>
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<excludes>
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<exclude>**/*IntegrationTest.java</exclude>
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<exclude>**/*LongRunningUnitTest.java</exclude>
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<exclude>**/*ManualTest.java</exclude>
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<exclude>**/*LiveTest.java</exclude>
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</excludes>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<reporting>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-checkstyle-plugin</artifactId>
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<version>${checkstyle-maven-plugin.version}</version>
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<configuration>
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<configLocation>checkstyle.xml</configLocation>
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</configuration>
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</plugin>
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</plugins>
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</reporting>
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<properties>
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<!-- Maven plugins -->
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<checkstyle-maven-plugin.version>3.0.0</checkstyle-maven-plugin.version>
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</properties>
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</project>
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package com.baeldung.web.upload.client;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.core.io.Resource;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.web.client.RestTemplate;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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public class MultipartFileUploadClient {
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public static void main(String[] args) throws IOException {
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uploadSingleFile();
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uploadMultipleFile();
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}
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private static void uploadSingleFile() throws IOException {
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
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body.add("file", getTestFile());
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(body, headers);
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String serverUrl = "http://localhost:8082/spring-rest/fileserver/singlefileupload/";
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RestTemplate restTemplate = new RestTemplate();
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ResponseEntity<String> response = restTemplate.postForEntity(serverUrl, requestEntity, String.class);
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System.out.println("Response code: " + response.getStatusCode());
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}
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private static void uploadMultipleFile() throws IOException {
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
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body.add("files", getTestFile());
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body.add("files", getTestFile());
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body.add("files", getTestFile());
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(body, headers);
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String serverUrl = "http://localhost:8082/spring-rest/fileserver/multiplefileupload/";
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RestTemplate restTemplate = new RestTemplate();
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ResponseEntity<String> response = restTemplate.postForEntity(serverUrl, requestEntity, String.class);
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System.out.println("Response code: " + response.getStatusCode());
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}
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public static Resource getTestFile() throws IOException {
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Path testFile = Files.createTempFile("test-file", ".txt");
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System.out.println("Creating and Uploading Test File: " + testFile);
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Files.write(testFile, "Hello World !!, This is a test file.".getBytes());
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return new FileSystemResource(testFile.toFile());
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}
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}
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