Example usage for java.io FileNotFoundException printStackTrace

List of usage examples for java.io FileNotFoundException printStackTrace

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Introduction

In this page you can find the example usage for java.io FileNotFoundException printStackTrace.

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:Main.java

public static String readFile(Context context, String fileName) {
    if (!exists(context, fileName)) {
        return null;
    }/*from  ww w  .  j av  a  2  s  .c  o m*/
    FileInputStream fis = null;
    String content = null;
    try {
        fis = context.openFileInput(fileName);
        if (fis != null) {

            byte[] buffer = new byte[1024];
            ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
            while (true) {
                int readLength = fis.read(buffer);
                if (readLength == -1)
                    break;
                arrayOutputStream.write(buffer, 0, readLength);
            }
            fis.close();
            arrayOutputStream.close();
            content = new String(arrayOutputStream.toByteArray());

        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        content = null;
    } finally {
        try {
            if (fis != null)
                fis.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    return content;
}

From source file:Main.java

public static String readFile(String filePath) {
    if (filePath == null || !new File(filePath).exists()) {
        return null;
    }/*  ww w.java2 s  . c  o  m*/
    FileInputStream fis = null;
    String content = null;
    try {
        fis = new FileInputStream(filePath);
        if (fis != null) {

            byte[] buffer = new byte[1024];
            ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
            while (true) {
                int readLength = fis.read(buffer);
                if (readLength == -1)
                    break;
                arrayOutputStream.write(buffer, 0, readLength);
            }
            fis.close();
            arrayOutputStream.close();
            content = new String(arrayOutputStream.toByteArray());

        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        content = null;
    } finally {
        try {
            if (fis != null)
                fis.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    return content;
}

From source file:Main.java

public static boolean saveMyBitmap(File f, Bitmap mBitmap) throws IOException {
    boolean saveComplete = true;
    try {/*from www  .  j  a  v  a 2  s  . co m*/
        f.createNewFile();
        FileOutputStream fOut = null;
        fOut = new FileOutputStream(f);
        int width = mBitmap.getWidth();
        int height = mBitmap.getHeight();
        int finalWidth = 800;
        int finalHeight = (int) (finalWidth * 1.0 * (height * 1.0 / width * 1.0));
        double x = width * finalHeight;
        double y = height * finalWidth;

        if (x > y) {
            finalHeight = (int) (y / (double) width);
        } else if (x < y) {
            finalWidth = (int) (x / (double) height);
        }

        if (finalWidth > width && finalHeight > height) {
            finalWidth = width;
            finalHeight = height;
        }
        Matrix matrix = new Matrix();
        matrix.reset();
        float scaleWidth = ((float) finalWidth) / (float) width;
        float scaleHeight = ((float) finalHeight) / (float) height;
        matrix.postScale(scaleWidth, scaleHeight);
        mBitmap = Bitmap.createBitmap(mBitmap, 0, 0, (int) width, (int) height, matrix, true);
        mBitmap.compress(Bitmap.CompressFormat.JPEG, 80, fOut);
        fOut.flush();
        fOut.close();
        mBitmap.recycle();
        System.gc();
    } catch (FileNotFoundException e) {
        saveComplete = false;
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        saveComplete = false;
    }
    return saveComplete;
}

From source file:examples.utils.CifarReader.java

public static List<double[]> rawDouble(String workingDir, String file) {
    try {//from   w  ww  .  j  av  a  2s.  co  m
        return rawDouble(new BufferedInputStream(new FileInputStream(new File(workingDir, file))));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static synchronized ArrayList<String> readFile(String filename) {
    BufferedReader buffreader;// w w w  .  j  a v  a  2  s.co m
    ArrayList<String> lines = null;
    FileInputStream is;
    BufferedReader reader;
    File file = new File(filename);

    if (file.exists()) {
        lines = new ArrayList<String>();
        try {
            is = new FileInputStream(file);
            reader = new BufferedReader(new InputStreamReader(is));
            String line = reader.readLine();
            int i = 0;
            while (line != null) {
                lines.add(line);
                //                System.out.println(line);
                line = reader.readLine();

            }
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }
    return lines;

}

From source file:Main.java

public static boolean storeImage(Context context, Bitmap bmp, boolean isRotate) {

    // use the current data&time for image file name
    String takenTime_YYMMDD_HHMMSS = new SimpleDateFormat(DATA_FORMAT).format(new Date());

    // saved bitmap: full path
    String path = PIC_ROOT_PATH + takenTime_YYMMDD_HHMMSS;
    File f = new File(path);

    if (f != null && !f.getParentFile().exists()) {
        f.getParentFile().mkdirs();//w  w w  .  ja  v  a 2  s .  c  o  m
    }

    if (isRotate) {
        Matrix matrix = new Matrix();
        matrix.reset();
        matrix.postRotate(90);
        bmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
    }

    try {
        FileOutputStream out = new FileOutputStream(f);
        bmp.compress(Bitmap.CompressFormat.JPEG, 100, out);
        out.flush();
        out.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
        return false;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }

    return updateGallery(context, bmp, takenTime_YYMMDD_HHMMSS);
}

From source file:Main.java

/**
 * This method handels the reading of data from a specific file.
 * //w w w.  j  a v a  2  s.c  o  m
 * @param file the file, to read from.
 * @param blockSize the length of the data-block, which should be read from the specified file.
 * @return the data read from the file.
 */
public static byte[] readFile(File file, long blockSize) {
    FileInputStream fis;
    byte[] fileContent = null;

    try {
        fis = new FileInputStream(file);

        FileChannel fileChannel = fis.getChannel();

        int bytesToRead;
        fileChannel.position(readStreamPosition);

        int dataLen = fis.available();

        // if there is a zero block size specified, read the whole file
        if (blockSize == 0L) {
            bytesToRead = dataLen;
        } else {
            bytesToRead = (int) blockSize;
        }

        fileContent = new byte[bytesToRead];

        // reading the data
        for (int i = 0; i < bytesToRead; i++) {
            fileContent[i] = (byte) fis.read();
        }

        // storing read-position
        readStreamPosition = fileChannel.position();

        fis.close();
        fileChannel.close();

        // zero blockSize indicates, that reading of this file is completed,
        // stream position reset
        if (blockSize == 0L) {
            readStreamPosition = 0L;
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return fileContent;
}

From source file:io.github.bunnyblue.droidfix.classcomputer.cache.HashUtil.java

public static String getClassMd5(String path) {
    FileInputStream fis = null;/*from w  w  w.  j  a  va2 s .co m*/
    try {
        fis = new FileInputStream(new File(path));
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    String md5 = null;
    try {
        md5 = org.apache.commons.codec.digest.DigestUtils.md5Hex(fis);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    try {
        fis.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return md5;

}

From source file:Main.java

public static void copyFile(String sourcePath, String toPath) {
    File sourceFile = new File(sourcePath);
    File targetFile = new File(toPath);
    createDipPath(toPath);//ww  w . j  av a 2s  .  com
    try {
        BufferedInputStream inBuff = null;
        BufferedOutputStream outBuff = null;
        try {
            inBuff = new BufferedInputStream(new FileInputStream(sourceFile));

            outBuff = new BufferedOutputStream(new FileOutputStream(targetFile));

            byte[] b = new byte[1024 * 5];
            int len;
            while ((len = inBuff.read(b)) != -1) {
                outBuff.write(b, 0, len);
            }
            outBuff.flush();
        } finally {
            if (inBuff != null)
                inBuff.close();
            if (outBuff != null)
                outBuff.close();
        }
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * Save image to the SD card/*from   w w w.ja va2s  .  co  m*/
 * 
 * @param photoBitmap
 * @param photoName
 * @param path
 */
public static void savePhotoToSDCard(Bitmap photoBitmap, String path, String photoName) {
    if (checkSDCardAvailable()) {
        File dir = new File(path);
        if (!dir.exists()) {
            dir.mkdirs();
        }

        File photoFile = new File(path, photoName + ".png");
        FileOutputStream fileOutputStream = null;
        try {
            fileOutputStream = new FileOutputStream(photoFile);
            if (photoBitmap != null) {
                if (photoBitmap.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream)) {
                    fileOutputStream.flush();
                    // fileOutputStream.close();
                }
            }
        } catch (FileNotFoundException e) {
            photoFile.delete();
            e.printStackTrace();
        } catch (IOException e) {
            photoFile.delete();
            e.printStackTrace();
        } finally {
            try {
                if (fileOutputStream != null) {
                    fileOutputStream.close();
                }

            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}