Example usage for java.io File length

Introduction

In this page you can find the example usage for java.io File length.

Prototype

public long length()

Source Link

Document

Returns the length of the file denoted by this abstract pathname.

Usage

From source file:Main.java

private static void writeBitmap(Bitmap bitmap, String path) throws IOException {
    OutputStream out = null;//from  w  w w. j  a v a2 s.  com
    try {
        File file = new File(path);
        if (file.exists() && file.length() > 0)
            return;
        out = new BufferedOutputStream(new FileOutputStream(file), 4096);
        if (bitmap != null)
            bitmap.compress(CompressFormat.JPEG, 90, out);
    } catch (Exception e) {
        Log.e(TAG, "writeBitmap failed : " + e.getMessage());
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

From source file:Main.java

public static boolean installNormal(Context context, String filePath) {
    Intent intent = new Intent(Intent.ACTION_VIEW);
    File file = new File(filePath);
    if (file == null || !file.exists() || !file.isFile() || file.length() <= 0) {
        return false;
    } else {/*from w w  w  .  ja  v  a 2 s  . co  m*/
        intent.setDataAndType(Uri.parse("file://" + filePath), "application/vnd.android.package-archive");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
        return true;
    }
}

From source file:Main.java

public static String getSHA(File f) {
    return getSHA(f, (int) f.length());
}

From source file:Main.java

public static long getFileSize(String filePath) {
    long size = 0;

    File file = new File(filePath);
    if (file != null && file.exists()) {
        size = file.length();
    }/*from ww  w.  j a v  a2s .c  o m*/
    return size;
}

From source file:Main.java

public static long getFileSize(String filePath) {
    long size = 0;
    File file = new File(filePath);
    if (file != null && file.exists()) {
        size = file.length();
    }//from   www .  j  a va 2s.c  om
    return size;
}

From source file:Main.java

public static long getDirectorySize(File path) {
    if (!path.isDirectory()) {
        return path.length();
    }//from  w w w  .j a va  2 s.c  o  m

    long size = 0;

    if (path.exists()) {
        File[] files = path.listFiles();

        for (int i = 0; i < files.length; i++) {
            if (files[i].isDirectory()) {
                size += getDirectorySize(files[i]);
            } else {
                size += files[i].length();
            }
        }
    }

    return size;
}

From source file:Main.java

public static String readFile(String pathname) {
    File file = new File(pathname);
    StringBuilder fileContents = new StringBuilder((int) file.length());
    String lineSeparator = System.getProperty("line.separator");

    try {/*from   w ww  .java 2  s .  c om*/
        try (Scanner scanner = new Scanner(file)) {
            while (scanner.hasNextLine()) {
                fileContents.append(scanner.nextLine()).append(lineSeparator);
            }
            return fileContents.toString();
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Util.java

public static long getFileSizeInBytes(String fileName) {
    long ret = 0;
    File f = new File(fileName);
    if (f.isFile()) {
        return f.length();
    } else if (f.isDirectory()) {
        File[] contents = f.listFiles();
        for (int i = 0; i < contents.length; i++) {
            if (contents[i].isFile()) {
                ret += contents[i].length();
            } else if (contents[i].isDirectory())
                ret += getFileSizeInBytes(contents[i].getPath());
        }// www . j a v a  2s.co m
    }
    return ret;
}

From source file:Main.java

public static String getStringFromFile(String file) throws IOException {
    char[] data = null;
    FileReader fr = null;//from w ww.  jav a 2s.  co  m
    try {
        File f = new File(file);
        data = new char[(int) f.length()];
        fr = new FileReader(f);
        fr.read(data);
    } catch (IOException e) {
        throw e;
    } finally {
        if (fr != null) {
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return new String(data);
}

From source file:com.addthis.hydra.data.MakeBloom.java

public static String[] getWords(File in) throws java.io.IOException, com.addthis.maljson.JSONException {
    log.debug("Reading " + in.length() + " bytes from [" + in + "]");
    JSONArray words = new JSONArray("[" + new String(LessFiles.read(in), "utf8") + "]");
    log.debug("Read " + words.length() + " words from [" + in + "]");
    String[] ret = new String[words.length()];
    for (int i = 0; i < words.length(); i++) {
        ret[i] = words.getString(i);//from ww  w .  ja v a2s  .co  m
    }
    return ret;
}