Multi Part Upload using Apache HttpClient 4

ApacheHttpClientMultiPartUpload.java

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.HttpClientBuilder;
import org.json.JSONObject;

import java.io.File;
import java.io.IOException;

public class ApacheHttpClientMultiPartUpload {

    public void exampleMultiPartUpload(File fileToUpload) throws IOException {
        final String API_URI = "http://localhost:8080/upload/file";
        final HttpClient client = HttpClientBuilder.create().build();
        final HttpPost post = new HttpPost(API_URI);

        // some json to send to the server as an element of the multi part request
        final JSONObject jsonToSend = new JSONObject();
        jsonToSend.put("character", "Jabba the Hutt");
        jsonToSend.put("movie", "Return of the Jedi");
        jsonToSend.put("isGoodGuy", false);

        /* create the MultiPartRequest with:
         * Text field called "description"
         * JSON field called "characterProfile"
         * Text field called "filename"
         * Binary body part called "file"
         */

        final MultipartEntityBuilder builder = MultipartEntityBuilder.create();
        builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
        builder.addBinaryBody("file", fileToUpload, ContentType.DEFAULT_BINARY, fileToUpload.getName());
        builder.addTextBody("filename", fileToUpload.getName(), ContentType.TEXT_PLAIN);
        builder.addTextBody("description", "Picture of Jabba the Hutt", ContentType.TEXT_PLAIN);
        builder.addTextBody("characterProfile", jsonToSend.toString(), ContentType.APPLICATION_JSON);

        final HttpEntity entity = builder.build();
        post.setEntity(entity);
        final HttpResponse response = client.execute(post);
        System.out.println("INFO >>> Response from API was: " + response.toString());
    }
}

pom.xml

<!-- dependencies required for this Gist -->
<dependency>
	<groupId>org.json</groupId>
	<artifactId>json</artifactId>
	<version>20140107</version>
</dependency>
<dependency>
	<groupId>org.apache.httpcomponents</groupId>
	<artifactId>httpclient</artifactId>
	<version>4.5</version>
</dependency>
<dependency>
	<groupId>org.apache.httpcomponents</groupId>
	<artifactId>httpmime</artifactId>
	<version>4.5</version>
</dependency>

Thanks. This was really helpful