Moved commons to java root folder.

trunk/java/commons/mmocore/ReceivablePacket.java

@@ -0,0 +1,141 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+package commons.mmocore;
+
+import java.nio.ByteBuffer;
+
+/**
+ * @author KenM
+ * @param <T>
+ */
+public abstract class ReceivablePacket<T extends MMOClient<?>> extends AbstractPacket<T> implements Runnable
+{
+	NioNetStringBuffer _sbuf;
+	
+	protected ReceivablePacket()
+	{
+		
+	}
+	
+	protected abstract boolean read();
+	
+	@Override
+	public abstract void run();
+	
+	/**
+	 * Reads <B>byte[]</B> from the buffer. <BR>
+	 * Reads as many bytes as the length of the array.
+	 * @param dst : the byte array which will be filled with the data.
+	 */
+	protected final void readB(final byte[] dst)
+	{
+		_buf.get(dst);
+	}
+	
+	/**
+	 * Reads <B>byte[]</B> from the buffer. <BR>
+	 * Reads as many bytes as the given length (len). Starts to fill the byte array from the given offset to <B>offset</B> + <B>len</B>.
+	 * @param dst : the byte array which will be filled with the data.
+	 * @param offset : starts to fill the byte array from the given offset.
+	 * @param len : the given length of bytes to be read.
+	 */
+	protected final void readB(final byte[] dst, final int offset, final int len)
+	{
+		_buf.get(dst, offset, len);
+	}
+	
+	/**
+	 * Reads <B>byte</B> from the buffer. <BR>
+	 * 8bit integer (00)
+	 * @return
+	 */
+	protected final int readC()
+	{
+		return _buf.get() & 0xFF;
+	}
+	
+	/**
+	 * Reads <B>short</B> from the buffer. <BR>
+	 * 16bit integer (00 00)
+	 * @return
+	 */
+	protected final int readH()
+	{
+		return _buf.getShort() & 0xFFFF;
+	}
+	
+	/**
+	 * Reads <B>int</B> from the buffer. <BR>
+	 * 32bit integer (00 00 00 00)
+	 * @return
+	 */
+	protected final int readD()
+	{
+		return _buf.getInt();
+	}
+	
+	/**
+	 * Reads <B>long</B> from the buffer. <BR>
+	 * 64bit integer (00 00 00 00 00 00 00 00)
+	 * @return
+	 */
+	protected final long readQ()
+	{
+		return _buf.getLong();
+	}
+	
+	/**
+	 * Reads <B>double</B> from the buffer. <BR>
+	 * 64bit double precision float (00 00 00 00 00 00 00 00)
+	 * @return
+	 */
+	protected final double readF()
+	{
+		return _buf.getDouble();
+	}
+	
+	/**
+	 * Reads <B>String</B> from the buffer.
+	 * @return
+	 */
+	protected final String readS()
+	{
+		_sbuf.clear();
+		
+		char ch;
+		while ((ch = _buf.getChar()) != 0)
+		{
+			_sbuf.append(ch);
+		}
+		
+		return _sbuf.toString();
+	}
+	
+	/**
+	 * packet forge purpose
+	 * @param data
+	 * @param client
+	 * @param sBuffer
+	 */
+	public void setBuffers(ByteBuffer data, T client, NioNetStringBuffer sBuffer)
+	{
+		_buf = data;
+		_client = client;
+		_sbuf = sBuffer;
+	}
+}