Multi Part Upload using Jersey REST client

JerseyRestClientMultipartUpload.java

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.core.header.FormDataContentDisposition;
import com.sun.jersey.multipart.FormDataMultiPart;
import com.sun.jersey.multipart.MultiPart;
import com.sun.jersey.multipart.file.FileDataBodyPart;
import org.json.JSONObject;

import javax.ws.rs.core.MediaType;
import java.io.*;

public class JerseyRestClientMultipartUpload {

    public void exampleMultiPartUpload(File fileToUpload) {
        final String API_URI = "http://localhost:8080/upload/file";

        final ClientConfig config = new DefaultClientConfig();
        final Client client = Client.create(config);
        final WebResource resource = client.resource(API_URI);

        // the file to upload, represented as FileDataBodyPart
        FileDataBodyPart fileDataBodyPart = new FileDataBodyPart("file",
                fileToUpload,
                MediaType.APPLICATION_OCTET_STREAM_TYPE);
        fileDataBodyPart.setContentDisposition(
                FormDataContentDisposition.name("file")
                        .fileName(fileToUpload.getName()).build());

        // 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" using fileDataBodyPart
         */
        final MultiPart multiPart = new FormDataMultiPart()
                .field("description", "Picture of Jabba the Hutt", MediaType.TEXT_PLAIN_TYPE)
                .field("characterProfile", jsonToSend, MediaType.APPLICATION_JSON_TYPE)
                .field("filename", fileToUpload.getName(), MediaType.TEXT_PLAIN_TYPE)
                .bodyPart(fileDataBodyPart);
        multiPart.setMediaType(MediaType.MULTIPART_FORM_DATA_TYPE);

        // POST request final
        ClientResponse response = resource
                .type("multipart/form-data").post(ClientResponse.class,
                        multiPart);
        final String result = getStringFromInputStream(response.getEntityInputStream());
        System.out.println("INFO >>> Response from API was: " + result);
        client.destroy();
    }

    // convert InputStream to String
    private String getStringFromInputStream(InputStream is) {
        BufferedReader br = null;
        final StringBuilder sb = new StringBuilder();
        String line;
        try {
            br = new BufferedReader(new InputStreamReader(is));
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return sb.toString();
    }
}

pom.xml

<!-- dependencies required for this Gist -->
<dependency>
	<groupId>org.json</groupId>
	<artifactId>json</artifactId>
	<version>20140107</version>
</dependency>
<dependency>
	<groupId>com.sun.jersey</groupId>
	<artifactId>jersey-client</artifactId>
	<version>1.19</version>
</dependency>
<dependency>
	<groupId>com.sun.jersey.contribs</groupId>
	<artifactId>jersey-multipart</artifactId>
	<version>1.19</version>
</dependency>