org.rcsb.cif.binary.data.Uint32Array Maven / Gradle / Ivy
package org.rcsb.cif.binary.data;
import org.rcsb.cif.binary.encoding.ByteArrayEncoding;
import org.rcsb.cif.binary.encoding.Encoding;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Deque;
/**
* An array of unsigned integer numbers using 32 bit to store each value.
*/
public class Uint32Array extends AbstractEncodedData implements UnsignedIntArray {
private static final int NUMBER_OF_BYTES = 4;
static final int TYPE = 6;
public Uint32Array(int[] data) {
this(data, new ArrayDeque<>());
}
public Uint32Array(int[] data, Deque> encoding) {
super(data, encoding);
}
public Uint32Array(ByteArray array) {
super(formArray(array.getData()), array.getEncoding());
}
private static int[] formArray(byte[] array) {
int[] ints = new int[array.length / NUMBER_OF_BYTES];
ByteBuffer byteBuffer = ByteBuffer.wrap(array).order(ByteOrder.LITTLE_ENDIAN);
for (int i = 0; i < ints.length; i++) {
ints[i] = (int) (byteBuffer.getInt() & 0xFFFFFFFFL);
}
return ints;
}
@Override
public int[] getData() {
return (int[]) data;
}
@Override
public int length() {
return getData().length;
}
@Override
public byte[] toByteArray() {
return Int32Array.int32ToByteArray(getData());
}
@Override
public int getNumberOfBytes() {
return NUMBER_OF_BYTES;
}
@Override
public int getType() {
return TYPE;
}
@Override
public ByteArray encode() {
return ByteArrayEncoding.UINT32.encode(this);
}
@Override
public String toString() {
return getClass().getSimpleName() + ": " + Arrays.toString(getData());
}
}