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

public static String calcSha1(File file) {
    long fileLength = file.length();
    if (fileLength <= 4 * 1024 * 1024) {
        return smallFileSha1(file);
    } else {/*  w w  w  .j a v a 2  s  .c  o  m*/
        return largeFileSha1(file);
    }
}

From source file:Main.java

private static long getDirSize(File file) {
    long total = 0;
    if (file.exists()) {
        if (file.isFile()) {
            return file.length();
        } else if (file.isDirectory()) {
            for (File f : file.listFiles()) {
                total += getDirSize(f);//from  ww  w .j  a v  a  2s . co  m
            }
        }
    }
    return total;
}

From source file:Main.java

public static long getFileSize(File file) {
    long size = 0;
    if (file.exists()) {
        if (file.isFile()) {
            size = file.length();
        } else if (file.isDirectory()) {
            for (File tmp : file.listFiles()) {
                size += getFileSize(tmp);
            }/*  ww w .  j  a  va2s  .  com*/
        }
    }
    return size;
}

From source file:Main.java

public static String getFileContent(File file) {
    FileInputStream f = null;//w ww  .ja v a  2  s.c  o m
    try {
        byte[] buffer = new byte[(int) file.length()];

        f = new FileInputStream(file);
        f.read(buffer);
        return new String(buffer);
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        closeAll(f);
    }
}

From source file:Main.java

public static String encodeBase64File(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int) file.length()];
    inputFile.read(buffer);//from ww w  .ja v  a2  s  .  co  m
    inputFile.close();
    return android.util.Base64.encodeToString(buffer, Base64.DEFAULT);
}

From source file:Main.java

public static String FiletoBase64(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int) file.length()];
    inputFile.read(buffer);//w ww. j  av  a 2  s .c om
    inputFile.close();
    return new String(Base64.encodeBase64(buffer));
}

From source file:Main.java

public static String encodeBase64File(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int) file.length()];
    inputFile.read(buffer);//from  w  w  w . j  a  va2 s .c om
    inputFile.close();
    return Base64.encodeToString(buffer, Base64.DEFAULT);
}

From source file:com.qwazr.search.index.BackupStatus.java

final static BackupStatus newBackupStatus(File backupDir) {
    if (backupDir == null)
        return null;
    try {/*from ww  w .  j  a v  a  2 s. c  o m*/
        long generation = Long.parseLong(backupDir.getName());
        File[] files = backupDir.listFiles((FileFilter) FileFileFilter.FILE);
        long bytes_size = 0;
        if (files == null)
            return null;
        for (File file : files)
            bytes_size += file.length();
        return new BackupStatus(generation, backupDir.lastModified(), bytes_size, files.length);
    } catch (NumberFormatException e) {
        return null;
    }
}

From source file:Main.java

public static long folderSize(File directory) {
    long length = 0;
    try {/*  ww w  .j  a  va 2 s  .  c om*/
        for (File file : directory.listFiles()) {

            if (file.isFile())
                length += file.length();
            else
                length += folderSize(file);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return length;
}

From source file:Main.java

/**
 * Get folder size recursively/*ww w.j  av a 2s . c o  m*/
 * @param directory File
 * @return long
 */
public static long getFolderSizeRecursively(File directory) {
    long length = 0;
    for (File file : directory.listFiles()) {
        if (file.isFile()) {
            length += file.length();
        } else {
            length += getFolderSizeRecursively(file);
        }
    }
    return length;
}