Upload file with Multipart Request Volley Android

AppHelper.java

import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import java.io.ByteArrayOutputStream;

/**
 * Sketch Project Studio
 * Created by Angga on 12/04/2016 14.27.
 */
public class AppHelper {    
    
    /**
     * Turn drawable resource into byte array.
     *
     * @param context parent context
     * @param id      drawable resource id
     * @return byte array
     */
    public static byte[] getFileDataFromDrawable(Context context, int id) {
        Drawable drawable = ContextCompat.getDrawable(context, id);
        Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 0, byteArrayOutputStream);
        return byteArrayOutputStream.toByteArray();
    }

    /**
     * Turn drawable into byte array.
     *
     * @param drawable data
     * @return byte array
     */
    public static byte[] getFileDataFromDrawable(Context context, Drawable drawable) {
        Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 80, byteArrayOutputStream);
        return byteArrayOutputStream.toByteArray();
    }
}

MainActivity.java

/**
 * Sketch Project Studio
 * Created by Angga 20/04/2016 19:32
 */
public class MainActivity extends AppCompatActivity {
    private EditText mNameInput;
    private EditText mLocationInput;
    private EditText mAboutInput;
    private EditText mContact;
    
    private ImageView mAvatarImage;
    private ImageView mCoverImage;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        mNameInput = (EditText) findViewById(R.id.input_name);
        mLocationInput = (EditText) findViewById(R.id.input_location);
        mAboutInput = (EditText) findViewById(R.id.input_about);
        mContact = (EditText) findViewById(R.id.input_contact);
        
        mAvatarImage = (ImageView) findViewById(R.id.avatar);
        mCoverImage = (ImageView) findViewById(R.id.cover);
        
        // do anything before post data.. or triggered after button clicked
        saveProfileAccount();
    }
    
    private void saveProfileAccount() {
        // loading or check internet connection or something...
        // ... then
        String url = "http://www.angga-ari.com/api/something/awesome";
        VolleyMultipartRequest multipartRequest = new VolleyMultipartRequest(Request.Method.POST, url, new Response.Listener<NetworkResponse>() {
            @Override
            public void onResponse(NetworkResponse response) {
                String resultResponse = new String(response.data);
                try {
                    JSONObject result = new JSONObject(resultResponse);
                    String status = result.getString("status");
                    String message = result.getString("message");

                    if (status.equals(Constant.REQUEST_SUCCESS)) {
                        // tell everybody you have succed upload image and post strings
                        Log.i("Messsage", message);
                    } else {
                        Log.i("Unexpected", message);
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                NetworkResponse networkResponse = error.networkResponse;
                String errorMessage = "Unknown error";
                if (networkResponse == null) {
                    if (error.getClass().equals(TimeoutError.class)) {
                        errorMessage = "Request timeout";
                    } else if (error.getClass().equals(NoConnectionError.class)) {
                        errorMessage = "Failed to connect server";
                    }
                } else {
                    String result = new String(networkResponse.data);
                    try {
                        JSONObject response = new JSONObject(result);
                        String status = response.getString("status");
                        String message = response.getString("message");
                        
                        Log.e("Error Status", status);
                        Log.e("Error Message", message);

                        if (networkResponse.statusCode == 404) {
                            errorMessage = "Resource not found";
                        } else if (networkResponse.statusCode == 401) {
                            errorMessage = message+" Please login again";
                        } else if (networkResponse.statusCode == 400) {
                            errorMessage = message+ " Check your inputs";
                        } else if (networkResponse.statusCode == 500) {
                            errorMessage = message+" Something is getting wrong";
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
                Log.i("Error", errorMessage);
                error.printStackTrace();
            }
        }) {
            @Override
            protected Map<String, String> getParams() {
                Map<String, String> params = new HashMap<>();
                params.put("api_token", "gh659gjhvdyudo973823tt9gvjf7i6ric75r76");
                params.put("name", mNameInput.getText().toString());
                params.put("location", mLocationInput.getText().toString());
                params.put("about", mAvatarInput.getText().toString());
                params.put("contact", mContactInput.getText().toString());
                return params;
            }

            @Override
            protected Map<String, DataPart> getByteData() {
                Map<String, DataPart> params = new HashMap<>();
                // file name could found file base or direct access from real path
                // for now just get bitmap data from ImageView
                params.put("avatar", new DataPart("file_avatar.jpg", AppHelper.getFileDataFromDrawable(getBaseContext(), mAvatarImage.getDrawable()), "image/jpeg"));
                params.put("cover", new DataPart("file_cover.jpg", AppHelper.getFileDataFromDrawable(getBaseContext(), mCoverImage.getDrawable()), "image/jpeg"));

                return params;
            }
        };

        VolleySingleton.getInstance(getBaseContext()).addToRequestQueue(multipartRequest);
    }
            
}

VolleyMultipartRequest.java

package com.sketchproject.infogue.modules;

import com.android.volley.AuthFailureError;
import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.HttpHeaderParser;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Map;

/**
 * Custom request to make multipart header and upload file.
 * 
 * Sketch Project Studio
 * Created by Angga on 27/04/2016 12.05.
 */
public class VolleyMultipartRequest extends Request<NetworkResponse> {
    private final String twoHyphens = "--";
    private final String lineEnd = "\r\n";
    private final String boundary = "apiclient-" + System.currentTimeMillis();

    private Response.Listener<NetworkResponse> mListener;
    private Response.ErrorListener mErrorListener;
    private Map<String, String> mHeaders;

    /**
     * Default constructor with predefined header and post method.
     *
     * @param url           request destination
     * @param headers       predefined custom header
     * @param listener      on success achieved 200 code from request
     * @param errorListener on error http or library timeout
     */
    public VolleyMultipartRequest(String url, Map<String, String> headers,
                                  Response.Listener<NetworkResponse> listener,
                                  Response.ErrorListener errorListener) {
        super(Method.POST, url, errorListener);
        this.mListener = listener;
        this.mErrorListener = errorListener;
        this.mHeaders = headers;
    }

    /**
     * Constructor with option method and default header configuration.
     *
     * @param method        method for now accept POST and GET only
     * @param url           request destination
     * @param listener      on success event handler
     * @param errorListener on error event handler
     */
    public VolleyMultipartRequest(int method, String url,
                                  Response.Listener<NetworkResponse> listener,
                                  Response.ErrorListener errorListener) {
        super(method, url, errorListener);
        this.mListener = listener;
        this.mErrorListener = errorListener;
    }

    @Override
    public Map<String, String> getHeaders() throws AuthFailureError {
        return (mHeaders != null) ? mHeaders : super.getHeaders();
    }

    @Override
    public String getBodyContentType() {
        return "multipart/form-data;boundary=" + boundary;
    }

    @Override
    public byte[] getBody() throws AuthFailureError {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);

        try {
            // populate text payload
            Map<String, String> params = getParams();
            if (params != null && params.size() > 0) {
                textParse(dos, params, getParamsEncoding());
            }

            // populate data byte payload
            Map<String, DataPart> data = getByteData();
            if (data != null && data.size() > 0) {
                dataParse(dos, data);
            }

            // close multipart form data after text and file data
            dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

            return bos.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * Custom method handle data payload.
     *
     * @return Map data part label with data byte
     * @throws AuthFailureError
     */
    protected Map<String, DataPart> getByteData() throws AuthFailureError {
        return null;
    }

    @Override
    protected Response<NetworkResponse> parseNetworkResponse(NetworkResponse response) {
        try {
            return Response.success(
                    response,
                    HttpHeaderParser.parseCacheHeaders(response));
        } catch (Exception e) {
            return Response.error(new ParseError(e));
        }
    }

    @Override
    protected void deliverResponse(NetworkResponse response) {
        mListener.onResponse(response);
    }

    @Override
    public void deliverError(VolleyError error) {
        mErrorListener.onErrorResponse(error);
    }

    /**
     * Parse string map into data output stream by key and value.
     *
     * @param dataOutputStream data output stream handle string parsing
     * @param params           string inputs collection
     * @param encoding         encode the inputs, default UTF-8
     * @throws IOException
     */
    private void textParse(DataOutputStream dataOutputStream, Map<String, String> params, String encoding) throws IOException {
        try {
            for (Map.Entry<String, String> entry : params.entrySet()) {
                buildTextPart(dataOutputStream, entry.getKey(), entry.getValue());
            }
        } catch (UnsupportedEncodingException uee) {
            throw new RuntimeException("Encoding not supported: " + encoding, uee);
        }
    }

    /**
     * Parse data into data output stream.
     *
     * @param dataOutputStream data output stream handle file attachment
     * @param data             loop through data
     * @throws IOException
     */
    private void dataParse(DataOutputStream dataOutputStream, Map<String, DataPart> data) throws IOException {
        for (Map.Entry<String, DataPart> entry : data.entrySet()) {
            buildDataPart(dataOutputStream, entry.getValue(), entry.getKey());
        }
    }

    /**
     * Write string data into header and data output stream.
     *
     * @param dataOutputStream data output stream handle string parsing
     * @param parameterName    name of input
     * @param parameterValue   value of input
     * @throws IOException
     */
    private void buildTextPart(DataOutputStream dataOutputStream, String parameterName, String parameterValue) throws IOException {
        dataOutputStream.writeBytes(twoHyphens + boundary + lineEnd);
        dataOutputStream.writeBytes("Content-Disposition: form-data; name=\"" + parameterName + "\"" + lineEnd);
        //dataOutputStream.writeBytes("Content-Type: text/plain; charset=UTF-8" + lineEnd);
        dataOutputStream.writeBytes(lineEnd);
        dataOutputStream.writeBytes(parameterValue + lineEnd);
    }

    /**
     * Write data file into header and data output stream.
     *
     * @param dataOutputStream data output stream handle data parsing
     * @param dataFile         data byte as DataPart from collection
     * @param inputName        name of data input
     * @throws IOException
     */
    private void buildDataPart(DataOutputStream dataOutputStream, DataPart dataFile, String inputName) throws IOException {
        dataOutputStream.writeBytes(twoHyphens + boundary + lineEnd);
        dataOutputStream.writeBytes("Content-Disposition: form-data; name=\"" +
                inputName + "\"; filename=\"" + dataFile.getFileName() + "\"" + lineEnd);
        if (dataFile.getType() != null && !dataFile.getType().trim().isEmpty()) {
            dataOutputStream.writeBytes("Content-Type: " + dataFile.getType() + lineEnd);
        }
        dataOutputStream.writeBytes(lineEnd);

        ByteArrayInputStream fileInputStream = new ByteArrayInputStream(dataFile.getContent());
        int bytesAvailable = fileInputStream.available();

        int maxBufferSize = 1024 * 1024;
        int bufferSize = Math.min(bytesAvailable, maxBufferSize);
        byte[] buffer = new byte[bufferSize];

        int bytesRead = fileInputStream.read(buffer, 0, bufferSize);

        while (bytesRead > 0) {
            dataOutputStream.write(buffer, 0, bufferSize);
            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        }

        dataOutputStream.writeBytes(lineEnd);
    }

    /**
     * Simple data container use for passing byte file
     */
    public class DataPart {
        private String fileName;
        private byte[] content;
        private String type;

        /**
         * Default data part
         */
        public DataPart() {
        }

        /**
         * Constructor with data.
         *
         * @param name label of data
         * @param data byte data
         */
        public DataPart(String name, byte[] data) {
            fileName = name;
            content = data;
        }

        /**
         * Constructor with mime data type.
         *
         * @param name     label of data
         * @param data     byte data
         * @param mimeType mime data like "image/jpeg"
         */
        public DataPart(String name, byte[] data, String mimeType) {
            fileName = name;
            content = data;
            type = mimeType;
        }

        /**
         * Getter file name.
         *
         * @return file name
         */
        public String getFileName() {
            return fileName;
        }

        /**
         * Setter file name.
         *
         * @param fileName string file name
         */
        public void setFileName(String fileName) {
            this.fileName = fileName;
        }

        /**
         * Getter content.
         *
         * @return byte file data
         */
        public byte[] getContent() {
            return content;
        }

        /**
         * Setter content.
         *
         * @param content byte file data
         */
        public void setContent(byte[] content) {
            this.content = content;
        }

        /**
         * Getter mime type.
         *
         * @return mime type
         */
        public String getType() {
            return type;
        }

        /**
         * Setter mime type.
         *
         * @param type mime type
         */
        public void setType(String type) {
            this.type = type;
        }
    }
}

VolleySingleton.java

package com.sketchproject.infogue.modules;

import android.content.Context;
import android.graphics.Bitmap;
import android.support.v4.util.LruCache;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.toolbox.ImageLoader;
import com.android.volley.toolbox.Volley;

/**
 * Singleton volley to populate request into single queue.
 * 
 * Sketch Project Studio
 * Created by Angga on 22/04/2016 22.58.
 */
public class VolleySingleton {
    private static VolleySingleton mInstance;
    private RequestQueue mRequestQueue;
    private ImageLoader mImageLoader;
    private static Context mCtx;

    /**
     * Private constructor, only initialization from getInstance.
     *
     * @param context parent context
     */
    private VolleySingleton(Context context) {
        mCtx = context;
        mRequestQueue = getRequestQueue();

        mImageLoader = new ImageLoader(mRequestQueue,
                new ImageLoader.ImageCache() {
                    private final LruCache<String, Bitmap> cache = new LruBitmapCache(mCtx);

                    @Override
                    public Bitmap getBitmap(String url) {
                        return cache.get(url);
                    }

                    @Override
                    public void putBitmap(String url, Bitmap bitmap) {
                        cache.put(url, bitmap);
                    }
                });
    }

    /**
     * Singleton construct design pattern.
     *
     * @param context parent context
     * @return single instance of VolleySingleton
     */
    public static synchronized VolleySingleton getInstance(Context context) {
        if (mInstance == null) {
            mInstance = new VolleySingleton(context);
        }
        return mInstance;
    }

    /**
     * Get current request queue.
     *
     * @return RequestQueue
     */
    public RequestQueue getRequestQueue() {
        if (mRequestQueue == null) {
            // getApplicationContext() is key, it keeps you from leaking the
            // Activity or BroadcastReceiver if someone passes one in.
            mRequestQueue = Volley.newRequestQueue(mCtx.getApplicationContext());
        }
        return mRequestQueue;
    }

    /**
     * Add new request depend on type like string, json object, json array request.
     *
     * @param req new request
     * @param <T> request type
     */
    public <T> void addToRequestQueue(Request<T> req) {
        getRequestQueue().add(req);
    }

    /**
     * Get image loader.
     *
     * @return ImageLoader
     */
    public ImageLoader getImageLoader() {
        return mImageLoader;
    }
}