xuxiuxi

2017-07-10 d6119c2d7fe2f802dd224d77bf2d95eeeedb4526

 VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/fragment/RegisterFragment.java

@@ -41,6 +41,11 @@
import cn.com.basic.face.service.SurveillanceMng;

import cn.com.basic.face.util.BitmapUtil;

import cn.com.basic.face.util.Constant;

import cn.com.basic.face.util.FileUtil;

import static cn.com.basic.face.util.FileUtil.*;



import cn.com.basic.face.util.IdCard;

import cn.com.basic.face.util.IdCardReaderThread;

import cn.com.basic.face.util.NativeImg;

import cn.com.basic.face.util.OkClickedListener;



@@ -53,13 +58,10 @@
import cn.com.basic.face.widget.register.RegisterRightFieldTextView;

import cn.com.basic.face.dialog.SelectDialog;



import com.facebook.common.file.FileUtils;

import com.ivsign.android.IDCReader.IDCReaderSDK;

import com.lidroid.xutils.view.annotation.ViewInject;

import com.lidroid.xutils.view.annotation.event.OnClick;



import org.xutils.common.util.FileUtil;

import org.xutils.common.util.IOUtil;

import org.xutils.http.RequestParams;



import java.io.BufferedOutputStream;

@@ -137,7 +139,9 @@


    private File idCardImageCaptureFile = null;



    private String idCardHeadPhotoPath = "";

    private IdCardReaderThread idCardReaderThread = null;



    private String idCardHeadPath = "";



    private static RegisterFragment instance = new RegisterFragment();



@@ -152,26 +156,6 @@
    @OnClick(R.id.fragment_register_add)

    public void fragment_register_add_click(View view) {

        resetForm();

    }



    private File writeToFile(String fileName, byte[] fileBytes) {

        try {

            String dir = MainActivity.getInstance().getFilesDir().getAbsolutePath();



            File file = new File(dir, fileName);

            if (file.exists()) {

                file.delete();

            }

            file.createNewFile();

            BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(dir, fileName)));

            bos.write(fileBytes);

            bos.flush();

            bos.close();

            return new File(dir, fileName);

        }catch (Exception e) {

            e.printStackTrace();

        }

        return null;

    }



    @OnClick(R.id.fragment_register_save)

@@ -190,77 +174,29 @@
            fragment_register_phone.requestFocus();

            return;

        }

        String gender = fragment_register_gender.getValue();

        if (gender.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "性别不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_gender.callOnClick();

            return;

        }

        String id_class = fragment_register_id_class.getValue();

        if (id_class.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "证件类型不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_id_class.callOnClick();

            return;

        }

        String country = fragment_register_country.getValue();

        if (country.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "国籍不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_country.callOnClick();

            return;

        }

        String id_num = fragment_register_id_num.getValue();

        if (id_num.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "证件编号不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_id_num.requestFocus();

            return;

        }

        String birthday = fragment_register_birthday.getValue();

        if (birthday.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "出生日期不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_birthday.callOnClick();

            return;

        }

        String company = fragment_register_company.getValue();

        if (company.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "公司名称不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_company.requestFocus();

            return;

        }

        String remark = fragment_register_remark.getValue();

        if (remark.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "备注不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_remark.requestFocus();

            return;

        }

        String visitor_class = fragment_register_visitor_class.getValue();

        if (visitor_class.trim().length() <= 0) {

        String visitor_type = fragment_register_visitor_class.getValue();

        if (visitor_type.trim().length() <= 0) {

            Toast.makeText(MainActivity.getInstance(), "访客类型不能为空", Toast.LENGTH_SHORT).show();

            fragment_register_visitor_class.callOnClick();

            return;

        }

        final PostData pd = new PostData();



        pd.addValue(Register.FieldNames.username, name);

        pd.addValue(Register.FieldNames.mobilePhone, phone);

        pd.addValue(Register.FieldNames.genderId, DictionaryMng.getInstance().getId(gender));

        pd.addValue(Register.FieldNames.identityTypeId, DictionaryMng.getInstance().getId(id_class));

        pd.addValue(Register.FieldNames.countryId, DictionaryMng.getInstance().getId(country));

        pd.addValue(Register.FieldNames.visitorTypeId, DictionaryMng.getInstance().getId(visitor_class));

        pd.addValue(Register.FieldNames.identifyNum, id_num);

        pd.addValue(Register.FieldNames.companyId, company);

        pd.addValue(Register.FieldNames.birthday, birthday);





        params.addBodyParameter(Register.FieldNames.username, name);

        params.addBodyParameter(Register.FieldNames.mobilePhone, phone);

        params.addBodyParameter(Register.FieldNames.genderId, DictionaryMng.getInstance().getId(gender));

        params.addBodyParameter(Register.FieldNames.identityTypeId, DictionaryMng.getInstance().getId(id_class));

        params.addBodyParameter(Register.FieldNames.countryId, DictionaryMng.getInstance().getId(country));

        params.addBodyParameter(Register.FieldNames.visitorTypeId, DictionaryMng.getInstance().getId(visitor_class));

        params.addBodyParameter(Register.FieldNames.identifyNum, id_num);

        params.addBodyParameter(Register.FieldNames.genderId, DictionaryMng.getInstance().getId(fragment_register_gender.getValue()));

        params.addBodyParameter(Register.FieldNames.identityTypeId, DictionaryMng.getInstance().getId(fragment_register_id_class.getValue()));

        params.addBodyParameter(Register.FieldNames.countryId, DictionaryMng.getInstance().getId(fragment_register_country.getValue()));

        params.addBodyParameter(Register.FieldNames.visitorTypeId, DictionaryMng.getInstance().getId(visitor_type));

        params.addBodyParameter(Register.FieldNames.identifyNum, fragment_register_id_num.getValue());

        params.addBodyParameter(Register.FieldNames.companyId, company);

        params.addBodyParameter(Register.FieldNames.birthday, birthday);



        params.addBodyParameter(Register.FieldNames.birthday, fragment_register_birthday.getValue());

        params.addBodyParameter(Register.FieldNames.remark, fragment_register_remark.getValue());



        if (surveillanceQueryItem_selectPhoto != null) {

            params.addBodyParameter("width", surveillanceQueryItem_selectPhoto.getWidth());

@@ -272,46 +208,41 @@
            for (int i = 0; i < nativeImg.size; i++) {

                imageBytes[i] = nativeImg.image[i];

            }

            pd.addData("rawSurveillancePhoto", "application/octet-stream", imageBytes);



            params.addBodyParameter("rawSurveillancePhoto", writeToFile("rawSurveillancePhoto", imageBytes));

            params.addBodyParameter("rawSurveillancePhoto", FileUtil.writeToFile("rawSurveillancePhoto", imageBytes));

        } else {

            params.addBodyParameter("rawSurveillancePhoto", writeToFile("rawSurveillancePhoto", new byte[]{}));

            params.addBodyParameter("rawSurveillancePhoto", FileUtil.writeToFile("rawSurveillancePhoto", new byte[]{}));

        }



        if (fragment_register_surveillance_photo_img != null) {

            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            fragment_register_surveillance_photo_img.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();

            pd.addData(Register.FieldNames.surveillancePhoto, "application/octet-stream", imageBytes);



            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", imageBytes));

            params.addBodyParameter("surveillancePhoto", FileUtil.writeToFile("surveillancePhoto", imageBytes));

        } else {

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", new byte[]{}));

            params.addBodyParameter("surveillancePhoto", FileUtil.writeToFile("surveillancePhoto", new byte[]{}));

        }



        if (fragment_register_upload_custom_photo_img != null) {

            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            fragment_register_upload_custom_photo_img.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();

            pd.addData(Register.FieldNames.uploadCustomPhoto, "application/octet-stream", imageBytes);



            params.addBodyParameter("uploadCustomPhoto", writeToFile("uploadCustomPhoto", imageBytes));

            params.addBodyParameter("uploadCustomPhoto", FileUtil.writeToFile("uploadCustomPhoto", imageBytes));

        } else {

            params.addBodyParameter("uploadCustomPhoto", writeToFile("uploadCustomPhoto", new byte[]{}));

            params.addBodyParameter("uploadCustomPhoto", FileUtil.writeToFile("uploadCustomPhoto", new byte[]{}));

        }



        if (fragment_register_id_card_photo_img != null) {

            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            fragment_register_id_card_photo_img.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();

            pd.addData(Register.FieldNames.idCardPhoto, "application/octet-stream", imageBytes);



            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", imageBytes));

            params.addBodyParameter("idCardPhoto", FileUtil.writeToFile("idCardPhoto", imageBytes));

        } else {

            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", new byte[]{}));

            params.addBodyParameter("idCardPhoto", FileUtil.writeToFile("idCardPhoto", new byte[]{}));

        }

        RegisterMng.getInstance().add(params, idCardHeadPhotoPath);

        RegisterMng.getInstance().add(params, idCardHeadPath);

    }



    public void set_fragment_register_surveillance_photo(SurveillanceQueryItem item) {

@@ -432,7 +363,7 @@
        selectedCustomPhotoId = -1;

        selectedSurveillancePhotoId = -1;



        idCardHeadPhotoPath = "";

        idCardHeadPath = "";



        fragment_register_name.setValue("徐修溪"+Math.random());

        fragment_register_phone.setValue("13691348767");

@@ -579,100 +510,28 @@
    @Override

    protected void initData() {

        resetForm();

        new ReadIdCardThread().start();

        idCardReaderThread = new IdCardReaderThread();

        idCardReaderThread.start();

    }



    public void fillFormWithIdCard() {

    public void fillFormWithIdCard(IdCard idCard) {

        try {

            fragment_register_name.setValue(idCard_name);

            fragment_register_id_num.setValue(idCard_idNumber);

            fragment_register_name.setValue(idCard.getName());

            fragment_register_id_num.setValue(idCard.getCardNumber());



            SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");

            SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd");



            fragment_register_birthday.setValue(sdf1.format(sdf.parse(idCard_birth)));

            fragment_register_gender.setValue(idCard_sex);

            fragment_register_birthday.setValue(sdf1.format(sdf.parse(idCard.getBirthday())));

            fragment_register_gender.setValue(idCard.getGender());

            fragment_register_id_class.setValue("身份证");

            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);

            Bitmap bitmap = BitmapFactory.decodeFile(idCard.getHeadPath(), options);

            fragment_register_id_card_photo.setImageBitmap(bitmap);

            fragment_register_id_card_photo_placeholder_image.setVisibility(View.INVISIBLE);

            fragment_register_id_card_photo_placeholder_text_view.setVisibility(View.INVISIBLE);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }



    private String idCard_name = "";

    private String idCard_idNumber = "";

    private String idCard_birth = "";

    private String idCard_sex = "";



    class ReadIdCardThread extends Thread {



        @Override

        public void run() {

            while(true) {

                try{

                    Thread.sleep(2000);

                    readIdCard();

                } catch (Exception e) {

                    e.printStackTrace();

                }

            }

        }

    }



    public void readIdCard() {

        try {

            if (!registerFragmentVisible || !RegisterFragment.getInstance().isVisible()) {

                return;

            }



            RFIDReader idCardReader = RFIDReader.getInstance(BaseApplication.getInstance(), "uart");

            idCardReader.setUartDeviceName("/dev/ttyS4");

            ByteArrayInputStream type = new ByteArrayInputStream("uart".getBytes());

            idCardReader.control(ReaderExtra.CONNECT, type);



            idCardReader.open("id_card");

            String cardId = byteArrayToHexString(idCardReader.getUid());



            idCardReader.open("id_sam");

            ByteArrayOutputStream baos = new ByteArrayOutputStream();

            idCardReader.control(ReaderExtra.ID_READ_TEXT_PHOTO, baos);

            String textPhoto = byteArrayToHexString(baos.toByteArray());

            if (textPhoto != null) {

                final String[] decodeInfo = new String[10];

                final StringBuilder imagePath = new StringBuilder();

                String path = MainActivity.getInstance().getFilesDir().getAbsolutePath();

                IDCReaderSDK.initialize(path);

                IDCReaderSDK.decodeSamAck(textPhoto, decodeInfo, imagePath);

                idCard_name = decodeInfo[0];

                idCard_sex = decodeInfo[1];

                idCard_idNumber = decodeInfo[5];

                idCard_birth = decodeInfo[3];

//                final String idCardNation = decodeInfo[2];

//                final String idCardAddress = decodeInfo[4];

//                final String idCardIssuingAuthority = decodeInfo[6];

//                final String idCardValidBegin = decodeInfo[7];

//                final String idCardValidEnd = decodeInfo[8];



                idCardHeadPhotoPath = imagePath.toString();



                if (fragment_register_surveillance_photo_img == null) {

//                    MainActivity.getInstance().runOnUiThread(new Runnable() {

//                        @Override

//                        public void run() {

//                            Toast.makeText(BaseApplication.getInstance(),"请先选择人物照片", Toast.LENGTH_SHORT).show();

//                        }

//                    });

                    //return;

                    testComparePicturesWithJpeg();

                } else {

                    testComparePicturesWithJpeg();

                }

            }

            idCardHeadPath = idCard.getHeadPath();

        } catch (Exception e) {

            e.printStackTrace();

        }

@@ -686,213 +545,7 @@
        registerFragmentVisible = menuVisible;

    }



    private void testComparePicturesWithJpeg() {



        RequestParams params = new RequestParams();



        if (idCardHeadPhotoPath != null && !"".equals(idCardHeadPhotoPath)) {

            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);



            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();



            params.addBodyParameter("surveillancePhotoW",bitmap.getWidth()+"");

            params.addBodyParameter("surveillancePhotoH",bitmap.getWidth()+"");

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", imageBytes));

        } else {

            params.addBodyParameter("surveillancePhotoW", "0");

            params.addBodyParameter("surveillancePhotoH", "0");

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", new byte[]{}));

        }





        if (idCardHeadPhotoPath != null && !"".equals(idCardHeadPhotoPath)) {



            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);



            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();



            params.addBodyParameter("idCardPhotoW",bitmap.getWidth()+"");

            params.addBodyParameter("idCardPhotoH",bitmap.getWidth()+"");

            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", imageBytes));

        } else {

            params.addBodyParameter("idCardPhotoW","0");

            params.addBodyParameter("idCardPhotoH","0");

            params.addBodyParameter("idCardPhoto", writeToFile("idCardHeadPhoto", new byte[]{}));

        }



        RegisterMng.getInstance().compareSurveillancePhotoAndIdCardPhoto(params);

    }



    private void testComparePicturesWithBmp() {



        RequestParams params = new RequestParams();



        if (idCardHeadPhotoPath != null && !"".equals(idCardHeadPhotoPath)) {

            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);

            params.addBodyParameter("surveillancePhotoW", bitmap.getWidth() + "");

            params.addBodyParameter("surveillancePhotoH", bitmap.getWidth() + "");

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", readFile(new File(idCardHeadPhotoPath))));

        } else {

            params.addBodyParameter("surveillancePhotoW", "0");

            params.addBodyParameter("surveillancePhotoH", "0");

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", new byte[]{}));

        }





        if (idCardHeadPhotoPath != null && !"".equals(idCardHeadPhotoPath)) {

            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);





            params.addBodyParameter("idCardPhotoW",bitmap.getWidth()+"");

            params.addBodyParameter("idCardPhotoH",bitmap.getWidth()+"");

            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", readFile(new File(idCardHeadPhotoPath))));

        } else {

            params.addBodyParameter("idCardPhotoW","0");

            params.addBodyParameter("idCardPhotoH","0");

            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", new byte[]{}));

        }



        RegisterMng.getInstance().compareSurveillancePhotoAndIdCardPhoto(params);

    }



    private void comparePictures() {



        RequestParams params = new RequestParams();



//        if (fragment_register_surveillance_photo_img != null) {

//            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

//            fragment_register_surveillance_photo_img.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);

//            byte[] imageBytes = byteArrayOutputStream.toByteArray();

//

//            params.addBodyParameter("surveillancePhotoW",fragment_register_surveillance_photo_img.getWidth()+"");

//            params.addBodyParameter("surveillancePhotoH",fragment_register_surveillance_photo_img.getHeight()+"");

//

//            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", imageBytes));

//        } else {

//            params.addBodyParameter("surveillancePhotoW","0");

//            params.addBodyParameter("surveillancePhotoH","0");

//            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", new byte[]{}));

//        }



        if (idCardHeadPhotoPath != null && !"".equals(idCardHeadPhotoPath)) {

            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);



            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();



            params.addBodyParameter("surveillancePhotoW",bitmap.getWidth()+"");

            params.addBodyParameter("surveillancePhotoH",bitmap.getWidth()+"");

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", imageBytes));





            ///////////////////////////////////







            /////////////////////////////////

//            BitmapFactory.Options options = new BitmapFactory.Options();

//            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

//            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);

//            params.addBodyParameter("surveillancePhotoW", bitmap.getWidth() + "");

//            params.addBodyParameter("surveillancePhotoH", bitmap.getWidth() + "");

//            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", readFile(new File(idCardHeadPhotoPath))));

        } else {

            params.addBodyParameter("surveillancePhotoW", "0");

            params.addBodyParameter("surveillancePhotoH", "0");

            params.addBodyParameter("surveillancePhoto", writeToFile("surveillancePhoto", new byte[]{}));

        }





        if (idCardHeadPhotoPath != null && !"".equals(idCardHeadPhotoPath)) {



            BitmapFactory.Options options = new BitmapFactory.Options();

            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);



            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);

            byte[] imageBytes = byteArrayOutputStream.toByteArray();



            params.addBodyParameter("idCardPhotoW",bitmap.getWidth()+"");

            params.addBodyParameter("idCardPhotoH",bitmap.getWidth()+"");

            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", imageBytes));





            ///////////////////////////////////



//            BitmapFactory.Options options = new BitmapFactory.Options();

//            options.inPreferredConfig = Bitmap.Config.ARGB_8888;

//            Bitmap bitmap = BitmapFactory.decodeFile(idCardHeadPhotoPath, options);

//

//

//            params.addBodyParameter("idCardPhotoW",bitmap.getWidth()+"");

//            params.addBodyParameter("idCardPhotoH",bitmap.getWidth()+"");

//            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", readFile(new File(idCardHeadPhotoPath))));

        } else {

            params.addBodyParameter("idCardPhotoW","0");

            params.addBodyParameter("idCardPhotoH","0");

            params.addBodyParameter("idCardPhoto", writeToFile("idCardPhoto", new byte[]{}));

        }



        RegisterMng.getInstance().compareSurveillancePhotoAndIdCardPhoto(params);

    }



    protected static final char[] a = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

    public static String byteArrayToHexString(byte[] bytes) {

        if(bytes == null) {

            return null;

        } else {

            char[] hexChars = new char[bytes.length * 2];



            for(int j = 0; j < bytes.length; ++j) {

                int v = bytes[j] & 255;

                hexChars[j * 2] = a[v >>> 4];

                hexChars[j * 2 + 1] = a[v & 15];

            }



            return new String(hexChars);

        }

    }

    public static byte[] readFile(File file) {

        // Open file

        RandomAccessFile f = null;

        try {

            f = new RandomAccessFile(file, "r");

            // Get and check length

            long longlength = f.length();

            int length = (int) longlength;

            if (length != longlength)

                throw new IOException("File size >= 2 GB");

            // Read file and return data

            byte[] data = new byte[length];

            f.readFully(data);

            return data;

        } catch (Exception e){

            e.printStackTrace();

        } finally {

            try {

                f.close();

            }catch (Exception e) {

                e.printStackTrace();

            }

        }

        return new byte[]{};

    }





}