forked from MagicBane/Server
Project cleanup pre merge.
This commit is contained in:
@@ -15,190 +15,191 @@ import java.nio.BufferUnderflowException;
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import java.nio.ByteBuffer;
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public class ByteBufferUtils {
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public static String getString(ByteBuffer bb)
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throws BufferUnderflowException {
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return getString(bb, false, false);
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}
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public static String getString(ByteBuffer bb)
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throws BufferUnderflowException {
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return getString(bb, false, false);
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}
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public static String getString(ByteBuffer bb, boolean switchEndian, boolean small)
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throws BufferUnderflowException {
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String out = "";
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synchronized (bb) {
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public static String getString(ByteBuffer bb, boolean switchEndian, boolean small)
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throws BufferUnderflowException {
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String out = "";
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synchronized (bb) {
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//This version works with non-latin characters
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int stringLen;
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if (small)
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stringLen = (int)bb.get();
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else
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stringLen = bb.getInt();
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if (switchEndian)
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stringLen = ((Integer.reverseBytes(stringLen)) * 2);
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else
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stringLen *= 2;
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byte[] b = new byte[stringLen];
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for (int i=0;i<stringLen;i+=2) {
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if (switchEndian) {
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b[i+1] = bb.get();
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b[i] = bb.get();
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} else {
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b[i] = bb.get();
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b[i+1] = bb.get();
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}
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}
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try {
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out = new String(b, "UTF-16BE");
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} catch (UnsupportedEncodingException e) {}
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}
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return out;
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}
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//This version works with non-latin characters
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int stringLen;
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if (small)
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stringLen = (int) bb.get();
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else
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stringLen = bb.getInt();
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if (switchEndian)
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stringLen = ((Integer.reverseBytes(stringLen)) * 2);
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else
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stringLen *= 2;
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byte[] b = new byte[stringLen];
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for (int i = 0; i < stringLen; i += 2) {
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if (switchEndian) {
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b[i + 1] = bb.get();
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b[i] = bb.get();
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} else {
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b[i] = bb.get();
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b[i + 1] = bb.get();
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}
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}
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try {
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out = new String(b, "UTF-16BE");
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} catch (UnsupportedEncodingException e) {
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}
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}
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return out;
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}
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public static void putString(ByteBuffer bb, String data, boolean small)
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throws BufferOverflowException {
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putString(bb, data, false, small);
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}
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public static void putString(ByteBuffer bb, String data, boolean small)
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throws BufferOverflowException {
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putString(bb, data, false, small);
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}
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public static void putString(ByteBuffer bb, String data,
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boolean switchEndian, boolean small) throws BufferOverflowException {
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if (data == null) {
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data = "";
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}
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char[] chars = data.toCharArray();
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public static void putString(ByteBuffer bb, String data,
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boolean switchEndian, boolean small) throws BufferOverflowException {
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if (data == null) {
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data = "";
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}
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char[] chars = data.toCharArray();
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int length = chars.length;
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if (small && length > 255)
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length = 255; //limit for smallString
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int length = chars.length;
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if (small && length > 255)
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length = 255; //limit for smallString
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synchronized (bb) {
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// Write length
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if (small)
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bb.put((byte)length);
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else {
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if (switchEndian) {
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bb.putInt(Integer.reverseBytes(length));
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} else {
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bb.putInt(length);
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}
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}
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// Write chars
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for (int i=0;i<length;i++) {
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char c = chars[i];
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if (switchEndian) {
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bb.putChar(Character.reverseBytes(c));
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} else {
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bb.putChar(c);
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}
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}
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}
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}
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synchronized (bb) {
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// Write length
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if (small)
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bb.put((byte) length);
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else {
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if (switchEndian) {
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bb.putInt(Integer.reverseBytes(length));
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} else {
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bb.putInt(length);
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}
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}
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// Write chars
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for (int i = 0; i < length; i++) {
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char c = chars[i];
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if (switchEndian) {
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bb.putChar(Character.reverseBytes(c));
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} else {
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bb.putChar(c);
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}
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}
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}
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}
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public static String getHexString(ByteBuffer bb)
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throws BufferUnderflowException {
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return getHexString(bb, false);
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}
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public static String getHexString(ByteBuffer bb)
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throws BufferUnderflowException {
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return getHexString(bb, false);
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}
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public static String getHexString(ByteBuffer bb, boolean switchEndian)
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throws BufferUnderflowException {
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String out = "";
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synchronized (bb) {
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// Read len
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int stringLen = bb.getInt();
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public static String getHexString(ByteBuffer bb, boolean switchEndian)
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throws BufferUnderflowException {
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String out = "";
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synchronized (bb) {
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// Read len
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int stringLen = bb.getInt();
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if (switchEndian) {
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stringLen = Integer.reverseBytes(stringLen);
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}
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if (switchEndian) {
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stringLen = Integer.reverseBytes(stringLen);
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}
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// Read len worth of chars
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for (int i = 0; i < stringLen; ++i) {
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out += Integer.toString((bb.get() & 0xff) + 0x100, 16)
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.substring(1);
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}
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}
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return out;
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}
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// Read len worth of chars
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for (int i = 0; i < stringLen; ++i) {
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out += Integer.toString((bb.get() & 0xff) + 0x100, 16)
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.substring(1);
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}
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}
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return out;
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}
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public static void putHexString(ByteBuffer bb, String data)
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throws BufferOverflowException {
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putHexString(bb, data, false);
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}
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public static void putHexString(ByteBuffer bb, String data)
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throws BufferOverflowException {
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putHexString(bb, data, false);
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}
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public static void putHexString(ByteBuffer bb, String data,
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boolean switchEndian) throws BufferOverflowException {
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public static void putHexString(ByteBuffer bb, String data,
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boolean switchEndian) throws BufferOverflowException {
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if (data == null) {
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data = "";
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}
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if (data == null) {
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data = "";
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}
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byte[] bts = new byte[data.length() / 2];
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byte[] bts = new byte[data.length() / 2];
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for (int i = 0; i < bts.length; i++) {
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bts[i] = (byte) Integer.parseInt(data.substring(2 * i, 2 * i + 1),
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16);
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}
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for (int i = 0; i < bts.length; i++) {
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bts[i] = (byte) Integer.parseInt(data.substring(2 * i, 2 * i + 1),
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16);
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}
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synchronized (bb) {
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if (switchEndian) {
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bb.putInt(Integer.reverseBytes(data.length() / 2));
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} else {
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bb.putInt(data.length() / 2);
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}
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bb.put(bts);
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}
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}
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synchronized (bb) {
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if (switchEndian) {
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bb.putInt(Integer.reverseBytes(data.length() / 2));
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} else {
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bb.putInt(data.length() / 2);
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}
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bb.put(bts);
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}
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}
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public static String getUnicodeString(ByteBuffer bb)
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throws BufferUnderflowException {
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return getUnicodeString(bb, false);
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}
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public static String getUnicodeString(ByteBuffer bb)
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throws BufferUnderflowException {
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return getUnicodeString(bb, false);
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}
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public static String getUnicodeString(ByteBuffer bb, boolean switchEndian)
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throws BufferUnderflowException {
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byte[] out;
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short thisChar;
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synchronized (bb) {
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// Read len
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int stringLen = bb.getInt();
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if (switchEndian) {
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stringLen = Integer.reverseBytes(stringLen);
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}
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out = new byte[stringLen];
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// Read len worth of chars
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for (int i = 0; i < stringLen; ++i) {
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thisChar = bb.getShort();
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if (switchEndian)
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Short.reverseBytes(thisChar);
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out[i] = (byte) (thisChar & 0xff); // ignore first byte
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}
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}
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return new String(out);
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}
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public static String getUnicodeString(ByteBuffer bb, boolean switchEndian)
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throws BufferUnderflowException {
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byte[] out;
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short thisChar;
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synchronized (bb) {
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// Read len
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int stringLen = bb.getInt();
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if (switchEndian) {
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stringLen = Integer.reverseBytes(stringLen);
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}
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out = new byte[stringLen];
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// Read len worth of chars
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for (int i = 0; i < stringLen; ++i) {
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thisChar = bb.getShort();
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if (switchEndian)
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Short.reverseBytes(thisChar);
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out[i] = (byte) (thisChar & 0xff); // ignore first byte
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}
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}
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return new String(out);
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}
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public static void putUnicodeString(ByteBuffer bb, String data)
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throws BufferOverflowException {
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putUnicodeString(bb, data, false);
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}
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public static void putUnicodeString(ByteBuffer bb, String data)
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throws BufferOverflowException {
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putUnicodeString(bb, data, false);
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}
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public static void putUnicodeString(ByteBuffer bb, String data,
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boolean switchEndian) throws BufferOverflowException {
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byte[] out;
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short thisChar;
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if (data == null)
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return;
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out = new byte[data.length()];
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out = data.getBytes();
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public static void putUnicodeString(ByteBuffer bb, String data,
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boolean switchEndian) throws BufferOverflowException {
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byte[] out;
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short thisChar;
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if (data == null)
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return;
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out = new byte[data.length()];
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out = data.getBytes();
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for (byte b : out) {
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thisChar = b;
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if (switchEndian)
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thisChar = Short.reverseBytes(thisChar);
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bb.putShort(thisChar);
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}
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}
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for (byte b : out) {
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thisChar = b;
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if (switchEndian)
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thisChar = Short.reverseBytes(thisChar);
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bb.putShort(thisChar);
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}
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}
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public static boolean checkByteBufferNearFull(ByteBuffer bb) {
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public static boolean checkByteBufferNearFull(ByteBuffer bb) {
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return bb.position() >= (bb.capacity() * 0.9);
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}
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//FIXME: Replace these!!!
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//FIXME: Replace these!!!
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// public static ByteBuffer resizeByteBuffer(ByteBuffer bb, int multiplyer) {
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//
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// ByteBuffer out = ByteBuffer.allocate(bb.capacity() * multiplyer);
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