private FPoint2D parsePoint(ByteBuffer data, boolean haveZ, boolean haveM) {
double X = data.getDouble();
double Y = data.getDouble();
FPoint2D result = new FPoint2D(X, Y);
if ((haveZ) && (haveM)) {
// TODO: SUPPORT ZM (POR AHORA, LA Z TIENE PREFERENCIA
double Z = data.getDouble();
result = new FPoint3D(X, Y, Z);
double M = data.getDouble();
// TODO: create future FPoint3DM
return result;
}
if (haveM) {
double m = data.getDouble();
result = new FPoint2DM(X, Y, m);
}
if (haveZ) {
double Z = data.getDouble();
result = new FPoint3D(X, Y, Z);
}
return result;
}
/**
* Read this vector from the supplied {@link ByteBuffer} starting at the specified absolute buffer
* position/index.
*
* <p>This method will not increment the position of the given ByteBuffer.
*
* @param index the absolute position into the ByteBuffer
* @param buffer values will be read in <tt>x, y, z, w</tt> order
* @return this
*/
public Vector4d set(int index, ByteBuffer buffer) {
x = buffer.getDouble(index);
y = buffer.getDouble(index + 8);
z = buffer.getDouble(index + 16);
w = buffer.getDouble(index + 24);
return this;
}
/**
* read the Header from the given ByteBuffer.
*
* @param bb ByteBuffer.
* @throws Exception
*/
public void read(ByteBuffer bb) throws Exception {
// MAIN FILE HEADER
bb.order(ByteOrder.BIG_ENDIAN);
// magic number
int SHP_MAGIC_read = bb.getInt(0);
if (SHP_MAGIC_read != SHP_MAGIC) {
throw new Exception("(ShapeFile) error: SHP_MAGIC = " + SHP_MAGIC + ", File: " + file);
}
// file length
SHP_file_length = bb.getInt(24);
bb.order(ByteOrder.LITTLE_ENDIAN);
int SHP_version_read = bb.getInt(28);
if (SHP_version_read != SHP_VERSION) {
throw new Exception("(ShapeFile) error: SHP_VERSION = " + SHP_VERSION + ", File: " + file);
}
SHP_shape_type = bb.getInt(32);
try {
shape_type = ShpShape.Type.byID(SHP_shape_type);
} catch (Exception e) {
e.printStackTrace();
}
SHP_bbox[0][0] = bb.getDouble(36); // x-min
SHP_bbox[1][0] = bb.getDouble(44); // y-min
SHP_bbox[0][1] = bb.getDouble(52); // x-max
SHP_bbox[1][1] = bb.getDouble(60); // y-max
SHP_bbox[2][1] = bb.getDouble(68); // z-min
SHP_bbox[2][1] = bb.getDouble(76); // z-max
SHP_range_m[0] = bb.getDouble(84); // m-min
SHP_range_m[1] = bb.getDouble(92); // m-max
bb.position(100);
}
public void readFrom(ByteBuffer buffer) {
x0 = buffer.getDouble(); // 8 bytes read
y0 = buffer.getDouble(); // 16 bytes read
z0 = buffer.getDouble(); // 24 bytes read
x1 = buffer.getDouble(); // 32 bytes read
y1 = buffer.getDouble(); // 40 bytes read
z1 = buffer.getDouble(); // 48 bytes read
}
public void deserialize(ByteBuffer bb) {
header.deserialize(bb);
link_name = Serialization.readString(bb);
type = bb.getInt();
orientation.deserialize(bb);
absolute_roll_tolerance = bb.getDouble();
absolute_pitch_tolerance = bb.getDouble();
absolute_yaw_tolerance = bb.getDouble();
weight = bb.getDouble();
}
public Object objectFromBuffer(byte[] buffer, int offset, int length) throws Exception {
ByteBuffer buf = ByteBuffer.wrap(buffer, offset, length);
byte type = buf.get();
switch (type) {
case START:
case GET_CONFIG:
return new MethodCall(type);
case SET_OOB:
case SET_SYNC:
return new MethodCall(type, buf.get() == 1);
case SET_NUM_MSGS:
case SET_NUM_THREADS:
case SET_MSG_SIZE:
case SET_ANYCAST_COUNT:
return new MethodCall(type, buf.getInt());
case GET:
return new MethodCall(type, buf.getLong());
case PUT:
Long longarg = buf.getLong();
int len = buf.getInt();
byte[] arg2 = new byte[len];
buf.get(arg2, 0, arg2.length);
return new MethodCall(type, longarg, arg2);
case SET_READ_PERCENTAGE:
return new MethodCall(type, buf.getDouble());
default:
throw new IllegalStateException("type " + type + " not known");
}
}
public double toBigEndian(double d) {
ByteBuffer bb = ByteBuffer.wrap(new byte[8]);
bb.putDouble(d);
bb.order(ByteOrder.LITTLE_ENDIAN);
bb.position(0);
return bb.getDouble();
}
protected Double[] readDoubleArray(InputStream in) {
byte[] data = null;
try {
int len = (int) readUnsignedVarint(in);
data = new byte[len * 8];
if (in.read(data, 0, len * 8) != len * 8) {
debug("readDoubleArray: could not read array");
return null;
}
ByteBuffer bb = ByteBuffer.allocate(8 * len);
bb.put(data);
bb.flip();
Double[] res = new Double[len];
for (int i = 0; i < len; i++) {
res[i] = bb.getDouble();
}
return res;
} catch (IOException e) {
debug("readDoubleArray: could not read array");
e.printStackTrace();
}
return null;
}
public double readDouble() throws IOException {
try {
return buf.getDouble();
} catch (BufferUnderflowException e) {
throw new EOFException();
}
}
private Object getValue(MAVLinkDataType type, int offset) {
switch (type) {
case CHAR:
return payloadBB.get(offset);
case UINT8:
return payloadBB.get(offset) & 0xFF;
case INT8:
return (int) payloadBB.get(offset);
case UINT16:
return payloadBB.getShort(offset) & 0xFFFF;
case INT16:
return (int) payloadBB.getShort(offset);
case UINT32:
return payloadBB.getInt(offset) & 0xFFFFFFFFl;
case INT32:
return payloadBB.getInt(offset);
case UINT64:
return payloadBB.getLong(offset);
case INT64:
return payloadBB.getLong(offset);
case FLOAT:
return payloadBB.getFloat(offset);
case DOUBLE:
return payloadBB.getDouble(offset);
default:
throw new RuntimeException("Unknown type: " + type);
}
}
public static double readReal(FileChannel channel) throws IOException {
ByteBuffer bb = ByteBuffer.allocate(8);
bb.order(ByteOrder.LITTLE_ENDIAN);
channel.read(bb);
bb.rewind();
return bb.getDouble();
}
public static void main(String[] args) {
ByteBuffer bb = ByteBuffer.allocate(BSIZE);
// Allocation automatically zeroes the ByteBuffer:
int i = 0;
while (i++ < bb.limit()) if (bb.get() != 0) print("nonzero");
print("i = " + i);
bb.rewind();
// Store and read a char array:
bb.asCharBuffer().put("Howdy!");
char c;
while ((c = bb.getChar()) != 0) printnb(c + " ");
print();
bb.rewind();
// Store and read a short:
bb.asShortBuffer().put((short) 471142);
print(bb.getShort());
bb.rewind();
// Store and read an int:
bb.asIntBuffer().put(99471142);
print(bb.getInt());
bb.rewind();
// Store and read a long:
bb.asLongBuffer().put(99471142);
print(bb.getLong());
bb.rewind();
// Store and read a float:
bb.asFloatBuffer().put(99471142);
print(bb.getFloat());
bb.rewind();
// Store and read a double:
bb.asDoubleBuffer().put(99471142);
print(bb.getDouble());
bb.rewind();
}
private Object getSingleValue(ByteBuffer buffer) {
Object v;
if (type.equals("float")) {
v = buffer.getFloat();
} else if (type.equals("double")) {
v = buffer.getDouble();
} else if (type.equals("int8_t") || type.equals("bool")) {
v = (int) buffer.get();
} else if (type.equals("uint8_t")) {
v = buffer.get() & 0xFF;
} else if (type.equals("int16_t")) {
v = (int) buffer.getShort();
} else if (type.equals("uint16_t")) {
v = buffer.getShort() & 0xFFFF;
} else if (type.equals("int32_t")) {
v = buffer.getInt();
} else if (type.equals("uint32_t")) {
v = buffer.getInt() & 0xFFFFFFFFl;
} else if (type.equals("int64_t")) {
v = buffer.getLong();
} else if (type.equals("uint64_t")) {
v = buffer.getLong();
} else if (type.equals("char")) {
v = buffer.get();
} else {
throw new RuntimeException("Unsupported type: " + type);
}
return v;
}
/**
* Reads the an object of the given Class from the untagged value contained in the ByteBuffer.
*
* @param bb contains the Object
* @param tag TAG of the Value to be read
* @return the object
* @throws JdwpException
* @throws IOException
*/
public static Object getUntaggedObj(ByteBuffer bb, byte tag) throws JdwpException, IOException {
switch (tag) {
case JdwpConstants.Tag.BYTE:
return new Byte(bb.get());
case JdwpConstants.Tag.CHAR:
return new Character(bb.getChar());
case JdwpConstants.Tag.FLOAT:
return new Float(bb.getFloat());
case JdwpConstants.Tag.DOUBLE:
return new Double(bb.getDouble());
case JdwpConstants.Tag.INT:
return new Integer(bb.getInt());
case JdwpConstants.Tag.LONG:
return new Long(bb.getLong());
case JdwpConstants.Tag.SHORT:
return new Short(bb.getShort());
case JdwpConstants.Tag.VOID:
return new byte[0];
case JdwpConstants.Tag.BOOLEAN:
return (bb.get() == 0) ? new Boolean(false) : new Boolean(true);
case JdwpConstants.Tag.STRING:
return JdwpString.readString(bb);
case JdwpConstants.Tag.ARRAY:
case JdwpConstants.Tag.THREAD:
case JdwpConstants.Tag.OBJECT:
case JdwpConstants.Tag.THREAD_GROUP:
case JdwpConstants.Tag.CLASS_LOADER:
case JdwpConstants.Tag.CLASS_OBJECT:
// All these cases are ObjectIds
ObjectId oid = VMIdManager.getDefault().readObjectId(bb);
return oid.getObject();
default:
throw new NotImplementedException("Tag " + tag + " is not implemented.");
}
}
@Theory
public void shouldPutDoubleToBuffer(final AtomicBuffer buffer) {
final ByteBuffer duplicateBuffer = byteBuffer(buffer);
buffer.putDouble(INDEX, DOUBLE_VALUE, BYTE_ORDER);
assertThat(duplicateBuffer.getDouble(INDEX), is(DOUBLE_VALUE));
}
public CAFDesc(ByteBuffer buf) {
sampleRate = buf.getDouble();
formatID = getString(buf, 4);
formatFlags = buf.getInt();
bytesPerPacket = buf.getInt();
framesPerPacket = buf.getInt();
channelsPerFrame = buf.getInt();
}
@Override
public void deserializeUnlocked(ByteBuffer data) {
this.params.clear();
int size = data.getInt();
for (int i = 0; i < size; i++) {
this.params.put(data.getInt(), data.getDouble());
}
}
/**
* Read double from this packet buffer.
*
* @return double
*/
protected final double readDF() {
try {
return buf.getDouble();
} catch (Exception e) {
log.error("Missing DF for: " + this);
}
return 0;
}
@Theory
public void shouldPutDoubleToNativeBuffer(final AtomicBuffer buffer) {
final ByteBuffer duplicateBuffer = byteBuffer(buffer);
duplicateBuffer.order(ByteOrder.nativeOrder());
buffer.putDouble(INDEX, DOUBLE_VALUE);
assertThat(duplicateBuffer.getDouble(INDEX), is(DOUBLE_VALUE));
}
/**
* Populates the strategy from the byte array content. The structure should be as follows:
* [profitShare][profitsLagId][receiversId][depositId][reservesId]
*
* @param content the byte array containing the structure of the strategy
* @param pop the Macro Population of agents
*/
@Override
public void populateFromBytes(byte[] content, MacroPopulation pop) {
ByteBuffer buf = ByteBuffer.wrap(content);
this.profitShare = buf.getDouble();
this.profitsLagId = buf.getInt();
this.receiversId = buf.getInt();
this.depositId = buf.getInt();
this.reservesId = buf.getInt();
}
public double getDouble() {
double v;
if (this.awxEndian == EndianByteBuffer.LITTLE_ENDIAN) {
v = byteBuffer.order(ByteOrder.LITTLE_ENDIAN).getDouble();
} else {
v = byteBuffer.getDouble();
}
return v;
}
@Override
public Object read(ByteBuffer buff, int tag) {
if (tag != TYPE_ARRAY) {
byte[] data;
int len = tag - TAG_BYTE_ARRAY_0_15;
data = DataUtils.newBytes(len);
buff.get(data);
return data;
}
int ct = buff.get();
Class<?> clazz;
Object obj;
if (ct == -1) {
String componentType = StringDataType.INSTANCE.read(buff);
try {
clazz = Class.forName(componentType);
} catch (Exception e) {
throw DataUtils.newIllegalStateException("Could not get class {0}", componentType, e);
}
} else {
clazz = COMMON_CLASSES[ct];
}
int len = DataUtils.readVarInt(buff);
try {
obj = Array.newInstance(clazz, len);
} catch (Exception e) {
throw DataUtils.newIllegalStateException(
"Could not create array of type {0} length {1}", clazz, len, e);
}
if (clazz.isPrimitive()) {
for (int i = 0; i < len; i++) {
if (clazz == boolean.class) {
((boolean[]) obj)[i] = buff.get() == 1;
} else if (clazz == byte.class) {
((byte[]) obj)[i] = buff.get();
} else if (clazz == char.class) {
((char[]) obj)[i] = buff.getChar();
} else if (clazz == short.class) {
((short[]) obj)[i] = buff.getShort();
} else if (clazz == int.class) {
((int[]) obj)[i] = buff.getInt();
} else if (clazz == float.class) {
((float[]) obj)[i] = buff.getFloat();
} else if (clazz == double.class) {
((double[]) obj)[i] = buff.getDouble();
} else {
((long[]) obj)[i] = buff.getLong();
}
}
} else {
Object[] array = (Object[]) obj;
for (int i = 0; i < len; i++) {
array[i] = elementType.read(buff);
}
}
return obj;
}
private Number fractional() {
switch (size) {
case 4:
return byteBuffer.getFloat();
case 8:
return byteBuffer.getDouble();
default:
throw new UnsupportedOperationException("invalid bytes size for fractional number");
}
}
public WindowInputHandler setWindow(Window window) {
if (this.window != null) {
this.window.setKeyCallback(null);
}
this.window = window;
if (window != null) {
ByteBuffer buf = BufferUtils.createByteBuffer(16);
buf.limit(8);
ByteBuffer bufX = buf.slice();
buf.limit(16);
buf.position(8);
ByteBuffer bufY = buf.slice();
window.getCursorPos(bufX.asDoubleBuffer(), bufY.asDoubleBuffer());
mouseX = bufX.getDouble();
mouseY = window.getViewport().getHeight() - bufY.getDouble();
setImmediateMode(immediateMode);
}
return this;
}
public static double getMean(ByteBuffer simulationResults) {
double sum = 0.0;
int size = simulationResults.capacity() / 8;
simulationResults.rewind();
for (int i = 0; i < size; i++) {
double f = simulationResults.getDouble();
sum += f;
}
return (sum / size);
}
public static double getVariance(ByteBuffer simulationResults) {
double mean = getMean(simulationResults);
double temp = 0.0;
int size = simulationResults.capacity() / 8;
simulationResults.rewind();
for (int i = 0; i < size; i++) {
double f = simulationResults.getDouble();
temp += (mean - f) * (mean - f);
}
return (temp / size);
}
/**
* Receive as many items as possible from the given byte buffer to this buffer.
*
* <p>The <TT>receiveItems()</TT> method must not block the calling thread; if it does, all
* message I/O in MP will be blocked.
*
* @param i Index of first item to receive, in the range 0 .. <TT>length</TT>-1.
* @param num Maximum number of items to receive.
* @param buffer Byte buffer.
* @return Number of items received.
*/
protected int receiveItems(int i, int num, ByteBuffer buffer) {
int index = i;
int off = myArrayOffset + i;
int max = Math.min(i + num, myLength);
while (index < max && buffer.remaining() >= 8) {
myArray.reduce(off, buffer.getDouble(), myOp);
++index;
++off;
}
return index - i;
}
/* @see java.io.DataInput.readDouble() */
public double readDouble() throws IOException {
buffer(position, 8);
position += 8;
try {
return buffer.getDouble();
} catch (BufferUnderflowException e) {
EOFException eof = new EOFException(EOF_ERROR_MSG);
eof.initCause(e);
throw eof;
}
}
/**
* Transfer (by bytes) the data at the current record to the ShapefileWriter.
*
* @param bounds double array of length four for transfering the bounds into
* @return The length of the record transfered in bytes
*/
public int transferTo(ShapefileWriter writer, int recordNum, double[] bounds) throws IOException {
buffer.position(this.toBufferOffset(record.end));
buffer.order(ByteOrder.BIG_ENDIAN);
buffer.getInt(); // record number
int rl = buffer.getInt();
int mark = buffer.position();
int len = rl * 2;
buffer.order(ByteOrder.LITTLE_ENDIAN);
ShapeType recordType = ShapeType.forID(buffer.getInt());
if (recordType.isMultiPoint()) {
for (int i = 0; i < 4; i++) {
bounds[i] = buffer.getDouble();
}
} else if (recordType != ShapeType.NULL) {
bounds[0] = bounds[1] = buffer.getDouble();
bounds[2] = bounds[3] = buffer.getDouble();
}
// write header to shp and shx
headerTransfer.position(0);
headerTransfer.putInt(recordNum).putInt(rl).position(0);
writer.shpChannel.write(headerTransfer);
headerTransfer.putInt(0, writer.offset).position(0);
writer.offset += rl + 4;
writer.shxChannel.write(headerTransfer);
// reset to mark and limit at end of record, then write
int oldLimit = buffer.limit();
buffer.position(mark).limit(mark + len);
writer.shpChannel.write(buffer);
buffer.limit(oldLimit);
record.end = this.toFileOffset(buffer.position());
record.number++;
return len;
}
@Override
public Object read(ByteBuffer buff, int tag) {
switch (tag) {
case TAG_DOUBLE_0:
return 0d;
case TAG_DOUBLE_1:
return 1d;
case TAG_DOUBLE_FIXED:
return buff.getDouble();
}
return Double.longBitsToDouble(Long.reverse(DataUtils.readVarLong(buff)));
}
