Android Utililty Methods RandomAccessFile Read

List of utility methods to do RandomAccessFile Read

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Description

The list of methods to do RandomAccessFile Read are organized into topic(s).

Method

StringreadFromFile(final String path)
Reads a file into a string. 
final RandomAccessFile access = new RandomAccessFile(path, "r");
final StringBuffer result = new StringBuffer();
try {
    while (access.getFilePointer() < access.length()) {
        result.append(access.readLine() + "\n");
} finally {
    access.close();
...
voidwriteIntLittleEndian(RandomAccessFile file, int value)
write Int Little Endian 
int a = value & 0xFF;
int b = (value >> 8) & 0xFF;
int c = (value >> 16) & 0xFF;
int d = (value >> 24) & 0xFF;
file.writeByte(a);
file.writeByte(b);
file.writeByte(c);
file.writeByte(d);
...
StringreadString(RandomAccessFile file, int size)
read String 
int lastNonNullChar = 0;
StringBuilder builder = new StringBuilder(size);
for (int i = 0; i < size; i++) {
    int c = file.read();
    if (c != 0) {
        lastNonNullChar = i;
    builder.append((char) c);
...
voidfillPadding(RandomAccessFile file, int size)
fill Padding 
if (size < 0) {
    throw new IOException(String.format("Negative padding: %d",
            size));
for (int i = 0; i < size; i++) {
    file.writeByte(0);
intreadIntLittleEndian(RandomAccessFile file)
read Int Little Endian 
int a = file.readByte() & 0xFF;
int b = file.readByte() & 0xFF;
int c = file.readByte() & 0xFF;
int d = file.readByte() & 0xFF;
int res = (d << 24) | (c << 16) | (b << 8) | a;
return res;
intreadBSInt(RandomAccessFile is)
read BS Int 
int i1 = is.read();
int i2 = is.read();
int i3 = is.read();
int i4 = is.read();
i1 = ((((i1) >= 0) ? (i1) : (256 + i1)));
i2 = ((((i2) >= 0) ? (i2) : (256 + i2)));
i3 = ((((i3) >= 0) ? (i3) : (256 + i3)));
i4 = ((((i4) >= 0) ? (i4) : (256 + i4)));
...
shortreadBSShort(RandomAccessFile is)
read BS Short 
int i1 = is.read();
int i2 = is.read();
i1 = ((((i1) >= 0) ? (i1) : (256 + i1)));
i2 = ((((i2) >= 0) ? (i2) : (256 + i2)));
return (short) (i1 + (i2 << 8));
shortreadShort(RandomAccessFile is)
read Short 
int i1 = is.read();
int i2 = is.read();
return (short) ((i1 << 8) + i2);