/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla 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 Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.protocol.codec.player;
import java.io.IOException;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.spout.api.protocol.MessageCodec;
import org.spout.api.util.ByteBufUtils;
import org.spout.vanilla.protocol.VanillaByteBufUtils;
import org.spout.vanilla.protocol.msg.player.PlayerChatMessage;
public final class PlayerChatCodec extends MessageCodec<PlayerChatMessage> {
private static final JsonParser parser = new JsonParser();
public PlayerChatCodec() {
super(PlayerChatMessage.class, 0x03);
}
@Override
public PlayerChatMessage decodeFromClient(ByteBuf buffer) throws IOException {
// As a server we read messages from the client as plain text
String message = VanillaByteBufUtils.readString(buffer);
return new PlayerChatMessage(message);
}
@Override
public PlayerChatMessage decodeFromServer(ByteBuf buffer) throws IOException {
// As a client we read messages from the server using the JSON parser
String message = VanillaByteBufUtils.readString(buffer);
return new PlayerChatMessage(parser.parse(message).getAsJsonObject().get("text").getAsString());
}
@Override
public ByteBuf encodeToClient(PlayerChatMessage message) {
// As a server we send messages to the client in JSON format
JsonObject json = new JsonObject();
json.addProperty("text", message.getMessage());
return bufferMessage(json.toString());
}
@Override
public ByteBuf encodeToServer(PlayerChatMessage message) {
// As a client we send messages to the server in plain text format
return bufferMessage(message.getMessage());
}
private ByteBuf bufferMessage(String message) {
ByteBuf buffer = Unpooled.buffer(VanillaByteBufUtils.getStringLength(message));
VanillaByteBufUtils.writeString(buffer, message);
return buffer;
}
}