/**
* Puts a standard data type with the specified value, byte order and transformation.
*
* @param type The data type.
* @param order The byte order.
* @param transformation The transformation.
* @param value The value.
* @throws IllegalStateException if this reader is not in byte access mode.
* @throws IllegalArgumentException if the combination is invalid.
*/
public void put(DataType type, DataOrder order, DataTransformation transformation, Number value) {
checkByteAccess();
long longValue = value.longValue();
int length = type.getBytes();
if (order == DataOrder.BIG) {
for (int i = length - 1; i >= 0; i--) {
if (i == 0 && transformation != DataTransformation.NONE) {
if (transformation == DataTransformation.ADD) {
buffer.writeByte((byte) (longValue + 128));
} else if (transformation == DataTransformation.NEGATE) {
buffer.writeByte((byte) (-longValue));
} else if (transformation == DataTransformation.SUBTRACT) {
buffer.writeByte((byte) (128 - longValue));
} else {
throw new IllegalArgumentException("unknown transformation");
}
} else {
buffer.writeByte((byte) (longValue >> (i * 8)));
}
}
} else if (order == DataOrder.LITTLE) {
for (int i = 0; i < length; i++) {
if (i == 0 && transformation != DataTransformation.NONE) {
if (transformation == DataTransformation.ADD) {
buffer.writeByte((byte) (longValue + 128));
} else if (transformation == DataTransformation.NEGATE) {
buffer.writeByte((byte) (-longValue));
} else if (transformation == DataTransformation.SUBTRACT) {
buffer.writeByte((byte) (128 - longValue));
} else {
throw new IllegalArgumentException("unknown transformation");
}
} else {
buffer.writeByte((byte) (longValue >> (i * 8)));
}
}
} else if (order == DataOrder.MIDDLE) {
if (transformation != DataTransformation.NONE) {
throw new IllegalArgumentException("middle endian cannot be transformed");
}
if (type != DataType.INT) {
throw new IllegalArgumentException("middle endian can only be used with an integer");
}
buffer.writeByte((byte) (longValue >> 8));
buffer.writeByte((byte) longValue);
buffer.writeByte((byte) (longValue >> 24));
buffer.writeByte((byte) (longValue >> 16));
} else if (order == DataOrder.INVERSED_MIDDLE) {
if (transformation != DataTransformation.NONE) {
throw new IllegalArgumentException("inversed middle endian cannot be transformed");
}
if (type != DataType.INT) {
throw new IllegalArgumentException(
"inversed middle endian can only be used with an integer");
}
buffer.writeByte((byte) (longValue >> 16));
buffer.writeByte((byte) (longValue >> 24));
buffer.writeByte((byte) longValue);
buffer.writeByte((byte) (longValue >> 8));
} else {
throw new IllegalArgumentException("unknown order");
}
}
