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A backward compatibility package for PIAX
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/*
* BinaryJsonner.java - A utility for Binary JSON
*
* Copyright (c) 2009-2015 PIAX development team
* Copyright (c) 2006-2008 Osaka University
* Copyright (c) 2004-2005 BBR Inc, Osaka University
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* $Id: BinaryJsonner.java 1176 2015-05-23 05:56:40Z teranisi $
*/
package org.piax.gtrans.impl;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import org.piax.common.ObjectId;
import org.piax.common.PeerId;
import org.piax.common.TransportId;
import org.piax.gtrans.GTransConfigValues;
import org.piax.gtrans.PeerLocator;
import org.piax.gtrans.raw.InetLocator;
import org.piax.gtrans.raw.emu.EmuLocator;
import org.piax.gtrans.raw.tcp.TcpLocator;
import org.piax.gtrans.raw.udp.UdpLocator;
import org.piax.util.ByteBufferUtil;
import org.piax.util.SerializingUtil;
/**
*
*/
public class BinaryJsonner {
/*
* TODO
* 仮実装の状態
*/
public static final byte nullType = 0;
public static final byte emuType = 1;
public static final byte tcpType = 2;
public static final byte udpType = 3;
public static final byte btType = 4;
public static final byte peerIdType = 11;
public static final byte objectIdType = 12;
public static final byte transportIdType = 13;
public static final byte byteType = 20;
public static final byte intType = 21;
public static final byte bytesType = 22;
public static final byte strType = 23;
public static final byte otherJavaType = 99;
static int merginBufSize = 256;
static int incBufSize = 32000;
public static ByteBuffer serialize(ByteBuffer bbuf, Serializable obj)
throws BinaryJsonabilityException {
ByteBuffer bb = bbuf;
if (bb.remaining() < merginBufSize) {
bb = ByteBufferUtil.enhance(bb, incBufSize);
}
if (obj == null) {
bb.put(nullType);
}
// Embedded locators
else if (obj instanceof TcpLocator) {
bb.put(tcpType);
InetLocator.putAddr(bb, ((InetLocator) obj).getSocketAddress());
}
else if (obj instanceof UdpLocator) {
bb.put(udpType);
InetLocator.putAddr(bb, ((InetLocator) obj).getSocketAddress());
}
else if (obj instanceof EmuLocator) {
bb.put(emuType).putInt(((EmuLocator) obj).getVPort());
}
// Plug-in locators
else if (obj instanceof PeerLocator) {
((PeerLocator)obj).serialize(bbuf);
}/*
else if (obj instanceof BluetoothLocator) {
bb.put(btType).put(((BluetoothLocator) obj).getAddr().getBytes());
} */
else if (obj instanceof PeerId) {
byte[] v = ((PeerId) obj)._getBytes();
bb.put(peerIdType).putShort((short) v.length);
bb = ByteBufferUtil.put(bb, v);
}
else if (obj instanceof TransportId) {
byte[] v = ((TransportId) obj)._getBytes();
bb.put(transportIdType).putShort((short) v.length);
bb = ByteBufferUtil.put(bb, v);
}
else if (obj instanceof ObjectId) {
byte[] v = ((ObjectId) obj)._getBytes();
bb.put(objectIdType).putShort((short) v.length);
bb = ByteBufferUtil.put(bb, v);
}
else if (obj instanceof Byte) {
bb.put(byteType).put((Byte) obj);
}
else if (obj instanceof Integer) {
bb.put(intType).putInt((Integer) obj);
}
else if (obj instanceof byte[]) {
byte[] v = (byte[]) obj;
bb.put(bytesType).putInt(v.length);
bb = ByteBufferUtil.put(bb, v);
}
else if (obj instanceof String) {
try {
byte[] v = ((String) obj).getBytes("UTF-8");
bb.put(strType).putInt(v.length);
bb = ByteBufferUtil.put(bb, v);
} catch (UnsupportedEncodingException ignore) {
}
}
else {
try {
byte[] v = SerializingUtil.serialize(obj);
bb.put(otherJavaType).putInt(v.length);
bb = ByteBufferUtil.put(bb, v);
} catch (ObjectStreamException e) {
throw new BinaryJsonabilityException("could not serialize: "
+ obj.getClass().getName(), e);
}
}
return bb;
}
public static Serializable deserialize(ByteBuffer bbuf)
throws BinaryJsonabilityException {
try {
byte typeId = bbuf.get();
switch (typeId) {
case nullType:
return null;
case tcpType:
InetSocketAddress addr = InetLocator.getAddr(bbuf);
return new TcpLocator(addr);
case udpType:
addr = InetLocator.getAddr(bbuf);
return new UdpLocator(addr);
case emuType:
int vport = bbuf.getInt();
return new EmuLocator(vport);
case peerIdType:
int len = bbuf.getShort();
byte[] v = new byte[len];
bbuf.get(v);
return new PeerId(v);
case transportIdType:
len = bbuf.getShort();
v = new byte[len];
bbuf.get(v);
return new TransportId(v);
case objectIdType:
len = bbuf.getShort();
v = new byte[len];
bbuf.get(v);
return new ObjectId(v);
case byteType:
byte b = bbuf.get();
return b;
case intType:
int i = bbuf.getInt();
return i;
case bytesType:
len = bbuf.getInt();
v = new byte[len];
bbuf.get(v);
return v;
case strType:
len = bbuf.getInt();
v = new byte[len];
bbuf.get(v);
return new String(v, "UTF-8");
case otherJavaType:
len = bbuf.getInt();
v = new byte[len];
bbuf.get(v);
return SerializingUtil.deserialize(v, GTransConfigValues.classLoaderForDeserialize);
default:
// plug-in locator type.
PeerLocator pl = PeerLocator.deserialize(bbuf);
if (pl == null) {
throw new BinaryJsonabilityException("unknown type " + typeId);
}
else {
return pl;
}
}
} catch (Exception e) {
throw new BinaryJsonabilityException(e);
}
}
}