com.uber.tchannel.messages.JSONSerializer Maven / Gradle / Ivy
/*
* Copyright (c) 2015 Uber Technologies, Inc.
*
* 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.
*/
package com.uber.tchannel.messages;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.CharsetUtil;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;
public final class JSONSerializer implements Serializer.SerializerInterface {
private static final Type HEADER_TYPE = (new TypeToken>() {
}).getType();
private static final Gson GSON = new Gson();
@Override
public String decodeEndpoint(ByteBuf arg1) {
String endpoint = arg1.toString(CharsetUtil.UTF_8);
return endpoint;
}
@Override
public Map decodeHeaders(ByteBuf arg2) {
String headerJSON = arg2.toString(CharsetUtil.UTF_8);
Map headers = null;
if (headerJSON != null && !headerJSON.isEmpty() && !headerJSON.equals("\"\"")) {
headers = new Gson().fromJson(headerJSON, HEADER_TYPE);
}
return (headers == null) ? new HashMap() : headers;
}
@Override
public T decodeBody(ByteBuf arg3, Class bodyType) {
String bodyJSON = arg3.toString(CharsetUtil.UTF_8);
return GSON.fromJson(bodyJSON, bodyType);
}
@Override
public ByteBuf encodeEndpoint(String method) {
return Unpooled.wrappedBuffer(method.getBytes());
}
@Override
public ByteBuf encodeHeaders(Map applicationHeaders) {
return Unpooled.wrappedBuffer(GSON.toJson(applicationHeaders, HEADER_TYPE).getBytes());
}
@Override
public ByteBuf encodeBody(Object body) {
return Unpooled.wrappedBuffer(GSON.toJson(body).getBytes());
}
}