Added spring-rest-template

2018-07-17 23:00:02 -03:00
parent 5d7b57c468
commit 67cf33a91b
5 changed files with 195 additions and 0 deletions
@@ -0,0 +1,61 @@
+package com.baeldung.web.upload.client;
+
+import org.springframework.core.io.FileSystemResource;
+import org.springframework.core.io.Resource;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.client.RestTemplate;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class MultipartFileUploadClient {
+
+    public static void main(String[] args) throws IOException {
+        uploadSingleFile();
+        uploadMultipleFile();
+    }
+
+    private static void uploadSingleFile() throws IOException {
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.MULTIPART_FORM_DATA);
+
+        MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
+        body.add("file", getTestFile());
+
+
+        HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(body, headers);
+        String serverUrl = "http://localhost:8082/spring-rest/fileserver/singlefileupload/";
+        RestTemplate restTemplate = new RestTemplate();
+        ResponseEntity<String> response = restTemplate.postForEntity(serverUrl, requestEntity, String.class);
+        System.out.println("Response code: " + response.getStatusCode());
+    }
+
+    private static void uploadMultipleFile() throws IOException {
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.MULTIPART_FORM_DATA);
+
+        MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
+        body.add("files", getTestFile());
+        body.add("files", getTestFile());
+        body.add("files", getTestFile());
+
+        HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(body, headers);
+        String serverUrl = "http://localhost:8082/spring-rest/fileserver/multiplefileupload/";
+        RestTemplate restTemplate = new RestTemplate();
+        ResponseEntity<String> response = restTemplate.postForEntity(serverUrl, requestEntity, String.class);
+        System.out.println("Response code: " + response.getStatusCode());
+    }
+
+    public static Resource getTestFile() throws IOException {
+        Path testFile = Files.createTempFile("test-file", ".txt");
+        System.out.println("Creating and Uploading Test File: " + testFile);
+        Files.write(testFile, "Hello World !!, This is a test file.".getBytes());
+        return new FileSystemResource(testFile.toFile());
+    }
+}