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package org.activeio;
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import java.io.EOFException;
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import java.io.IOException;
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final public class PacketData {
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final private Packet packet;
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private final boolean bigEndian;
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26
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public PacketData(Packet packet) {
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this(packet, true);
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}
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public PacketData(Packet packet, boolean bigEndian) {
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this.packet = packet;
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this.bigEndian = bigEndian;
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}
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private void spaceNeeded(int space) throws IOException {
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if (packet.remaining() < space)
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0
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throw new EOFException("Not enough space left in the packet.");
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}
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0
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public void readFully(byte[] b) throws IOException {
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0
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readFully(b, 0, b.length);
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}
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0
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public void readFully(byte[] b, int off, int len) throws IOException {
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0
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spaceNeeded(len);
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0
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packet.read(b, off, len);
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}
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0
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public int skipBytes(int n) throws IOException {
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0
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int rc = Math.min(n, packet.remaining());
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0
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packet.position(packet.position() + rc);
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0
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return rc;
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}
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0
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public boolean readBoolean() throws IOException {
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0
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spaceNeeded(1);
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0
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return packet.read() != 0;
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}
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0
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public byte readByte() throws IOException {
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0
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spaceNeeded(1);
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0
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return (byte) packet.read();
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}
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0
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public int readUnsignedByte() throws IOException {
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0
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spaceNeeded(1);
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0
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return packet.read();
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}
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0
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public short readShort() throws IOException {
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0
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spaceNeeded(2);
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0
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if( bigEndian ) {
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0
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return (short) ((packet.read() << 8) + (packet.read() << 0));
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} else {
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0
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return (short) ((packet.read() << 0) + (packet.read() << 8) );
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}
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}
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0
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public int readUnsignedShort() throws IOException {
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0
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spaceNeeded(2);
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0
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if( bigEndian ) {
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0
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return ((packet.read() << 8) + (packet.read() << 0));
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} else {
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0
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return ((packet.read() << 0) + (packet.read() << 8) );
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}
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}
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0
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public char readChar() throws IOException {
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0
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spaceNeeded(2);
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0
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if( bigEndian ) {
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0
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return (char) ((packet.read() << 8) + (packet.read() << 0));
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} else {
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0
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return (char) ((packet.read() << 0) + (packet.read() << 8) );
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}
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}
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public int readInt() throws IOException {
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spaceNeeded(4);
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if( bigEndian ) {
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return ((packet.read() << 24) +
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(packet.read() << 16) +
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(packet.read() << 8) +
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(packet.read() << 0));
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} else {
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0
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return ((packet.read() << 0) +
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(packet.read() << 8) +
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(packet.read() << 16) +
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(packet.read() << 24));
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}
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}
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0
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public long readLong() throws IOException {
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0
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spaceNeeded(8);
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0
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if( bigEndian ) {
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0
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return (((long) packet.read() << 56) +
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((long) packet.read() << 48) +
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((long) packet.read() << 40) +
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((long) packet.read() << 32) +
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((long) packet.read() << 24) +
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((packet.read()) << 16) +
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((packet.read()) << 8) +
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((packet.read()) << 0));
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} else {
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0
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return ((packet.read() << 0) +
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(packet.read() << 8) +
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(packet.read() << 16) +
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((long) packet.read() << 24) +
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((long) packet.read() << 32) +
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((long) packet.read() << 40) +
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((long) packet.read() << 48) +
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((long) packet.read() << 56));
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}
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}
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0
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public double readDouble() throws IOException {
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0
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return Double.longBitsToDouble(readLong());
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}
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0
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public float readFloat() throws IOException {
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0
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return Float.intBitsToFloat(readInt());
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}
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0
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public void write(int b) throws IOException {
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0
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spaceNeeded(1);
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0
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packet.write(b);
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}
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0
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public void write(byte[] b) throws IOException {
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0
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write(b, 0, b.length);
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}
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0
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public void write(byte[] b, int off, int len) throws IOException {
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0
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spaceNeeded(len);
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0
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packet.write(b, off, len);
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}
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0
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public void writeBoolean(boolean v) throws IOException {
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0
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spaceNeeded(1);
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0
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packet.write(v ? 1 : 0);
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}
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168
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0
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public void writeByte(int v) throws IOException {
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0
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spaceNeeded(1);
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0
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packet.write(v);
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}
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173
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0
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public void writeShort(int v) throws IOException {
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0
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spaceNeeded(2);
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176
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0
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if (bigEndian) {
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0
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packet.write((v >>> 8) & 0xFF);
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0
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packet.write((v >>> 0) & 0xFF);
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} else {
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0
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packet.write((v >>> 0) & 0xFF);
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0
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packet.write((v >>> 8) & 0xFF);
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}
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}
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184
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185
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0
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public void writeChar(int v) throws IOException {
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186
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0
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spaceNeeded(2);
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0
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if (bigEndian) {
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0
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packet.write((v >>> 8) & 0xFF);
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189
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0
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packet.write((v >>> 0) & 0xFF);
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} else {
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0
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packet.write((v >>> 0) & 0xFF);
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192
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0
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packet.write((v >>> 8) & 0xFF);
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193
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}
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194
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}
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195
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196
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26
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public void writeInt(int v) throws IOException {
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197
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26
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spaceNeeded(4);
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198
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26
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if (bigEndian) {
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199
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26
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packet.write((v >>> 24) & 0xFF);
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200
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26
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packet.write((v >>> 16) & 0xFF);
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201
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26
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packet.write((v >>> 8) & 0xFF);
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202
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26
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packet.write((v >>> 0) & 0xFF);
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203
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} else {
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204
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0
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packet.write((v >>> 0) & 0xFF);
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205
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0
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packet.write((v >>> 8) & 0xFF);
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206
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0
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packet.write((v >>> 16) & 0xFF);
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207
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0
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packet.write((v >>> 24) & 0xFF);
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208
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}
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209
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}
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210
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211
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0
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public void writeLong(long v) throws IOException {
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212
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0
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spaceNeeded(8);
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213
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0
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if (bigEndian) {
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214
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0
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packet.write((int) (v >>> 56) & 0xFF);
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215
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0
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packet.write((int) (v >>> 48) & 0xFF);
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216
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0
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packet.write((int) (v >>> 40) & 0xFF);
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217
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0
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packet.write((int) (v >>> 32) & 0xFF);
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218
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0
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packet.write((int) (v >>> 24) & 0xFF);
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219
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0
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packet.write((int) (v >>> 16) & 0xFF);
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220
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0
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packet.write((int) (v >>> 8) & 0xFF);
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221
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0
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packet.write((int) (v >>> 0) & 0xFF);
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222
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} else {
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223
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0
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packet.write((int) (v >>> 0) & 0xFF);
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224
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0
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packet.write((int) (v >>> 8) & 0xFF);
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225
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0
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packet.write((int) (v >>> 16) & 0xFF);
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226
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0
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packet.write((int) (v >>> 24) & 0xFF);
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227
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0
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packet.write((int) (v >>> 32) & 0xFF);
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228
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0
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packet.write((int) (v >>> 40) & 0xFF);
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229
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0
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packet.write((int) (v >>> 48) & 0xFF);
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230
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0
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packet.write((int) (v >>> 56) & 0xFF);
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231
|
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}
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232
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}
|
233
|
|
|
234
|
0
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public void writeDouble(double v) throws IOException {
|
235
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0
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writeLong(Double.doubleToLongBits(v));
|
236
|
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}
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237
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|
|
238
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0
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public void writeFloat(float v) throws IOException {
|
239
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0
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writeInt(Float.floatToIntBits(v));
|
240
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}
|
241
|
|
|
242
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0
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public void writeRawDouble(double v) throws IOException {
|
243
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0
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writeLong(Double.doubleToRawLongBits(v));
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244
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}
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245
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246
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0
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public void writeRawFloat(float v) throws IOException {
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247
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0
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writeInt(Float.floatToRawIntBits(v));
|
248
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}
|
249
|
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|
250
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}
|
251
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