Java Utililty Methods File Write via ByteBuffer

List of utility methods to do File Write via ByteBuffer

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Description

The list of methods to do File Write via ByteBuffer are organized into topic(s).

Method

booleanwriteDataLengthsToHeader(FileOutputStream fpo)
write Data Lengths To Header 
long len;
ByteBuffer bb = ByteBuffer.allocate(4).order(ByteOrder.LITTLE_ENDIAN);
FileChannel fc = fpo.getChannel();
try {
    len = fc.size();
    fc.position(4);
    bb.putInt((int) (len - 8));
    bb.flip();
...
voidwriteDelimitedToOutputStream(byte[] bytes, OutputStream outputStream)
Write length delimited data to the output stream 
outputStream.write(ByteBuffer.allocate(4).putInt(bytes.length).array());
outputStream.write(bytes);
voidwriteDouble(BufferedWriter bw, double[] buf)
Write a given double array to the ASCII stream 
StringBuffer sb = new StringBuffer();
for (int i = 0; i < buf.length - 1; ++i)
    sb.append(Double.toString(buf[i]) + " ");
sb.append(Double.toString(buf[buf.length - 1]) + "\n");
bw.append(sb.toString());
byte[]writeEmpty()
write Empty 
return ByteBuffer.allocate(4).putInt(EMPTY_CLIPBOARD).array();
voidwriteFC(String fname, float[] res)
write FC 
new File(fname).createNewFile();
ByteBuffer bbuffer = ByteBuffer.allocate(4 * res.length);
FloatBuffer buffer = bbuffer.asFloatBuffer();
for (int i = 0; i < res.length; i++)
    buffer.put(res[i]);
buffer.flip();
FileChannel fc = new RandomAccessFile(fname, "rw").getChannel();
fc.write(bbuffer);
...
voidwriteFile(File file, byte[] bytes)
write File 
RandomAccessFile raf = new RandomAccessFile(file, "rw");
FileChannel channel = raf.getChannel();
channel.truncate(0);
channel.write(ByteBuffer.wrap(bytes));
raf.close();
voidwriteFile(File file, byte[] data)
write File 
FileOutputStream output = null;
FileChannel fc = null;
try {
    output = new FileOutputStream(file);
    fc = output.getChannel();
    ByteBuffer buffer = ByteBuffer.allocate(MAX_BUFFER_SIZE);
    int offset = 0;
    while (offset < data.length) {
...
voidwriteFile(String source, File outputFile)
write a string to a file; the file will be overwritten if it already exists 
writeFile(source, outputFile, true);
voidwriteFileAsByteArray(File file, byte[] par2Data)
write File As Byte Array 
ByteBuffer bb;
FileChannel fc = null;
try {
    fc = new FileOutputStream(file).getChannel();
    bb = ByteBuffer.wrap(par2Data);
    fc.write(bb);
} finally {
    if (fc != null)
...
voidwriteFileAsStringArray(File file, String[] par2DataArray)
write File As String Array 
StringBuilder sb = new StringBuilder();
for (String t : par2DataArray) {
    sb.append(t);
writeFileAsString(file, sb.toString());