76 lines
2.8 KiB
Java
76 lines
2.8 KiB
Java
/**
|
|
* ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
|
|
* Copyright (C) 2016 dmulloy2
|
|
*
|
|
* 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 of
|
|
* the License, 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
|
|
*/
|
|
package com.comphenix.protocol.wrappers;
|
|
|
|
import java.io.IOException;
|
|
import java.io.Reader;
|
|
import java.io.StringReader;
|
|
import java.lang.reflect.Method;
|
|
import java.lang.reflect.Constructor;
|
|
|
|
/**
|
|
* Handles component parsing in 1.8
|
|
* @author dmulloy2
|
|
*/
|
|
public class ComponentParser {
|
|
|
|
private static Constructor readerConstructor;
|
|
private static Method setLenient;
|
|
private static Method getAdapter;
|
|
private static Method read;
|
|
|
|
private ComponentParser() {
|
|
}
|
|
|
|
public static Object deserialize(Object gson, Class<?> component, StringReader str) {
|
|
try {
|
|
com.google.gson.stream.JsonReader reader = new com.google.gson.stream.JsonReader(str);
|
|
reader.setLenient(true);
|
|
return ((com.google.gson.Gson) gson).getAdapter(component).read(reader);
|
|
} catch (IOException ex) {
|
|
throw new RuntimeException("Failed to read JSON", ex);
|
|
} catch (LinkageError er) {
|
|
return deserializeLegacy(gson, component, str);
|
|
}
|
|
}
|
|
|
|
// Should only be needed on 1.8.
|
|
private static Object deserializeLegacy(Object gson, Class<?> component, StringReader str) {
|
|
try {
|
|
if (readerConstructor == null) {
|
|
|
|
Class<?> readerClass = Class.forName("org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader");
|
|
readerConstructor = readerClass.getDeclaredConstructor(Reader.class);
|
|
readerConstructor.setAccessible(true);
|
|
setLenient = readerClass.getDeclaredMethod("setLenient", boolean.class);
|
|
setLenient.setAccessible(true);
|
|
getAdapter = gson.getClass().getDeclaredMethod("getAdapter", Class.class);
|
|
getAdapter.setAccessible(true);
|
|
Object adapter = getAdapter.invoke(gson, component);
|
|
read = adapter.getClass().getDeclaredMethod("read", readerClass);
|
|
read.setAccessible(true);
|
|
}
|
|
Object reader = readerConstructor.newInstance(str);
|
|
setLenient.invoke(reader, true);
|
|
Object adapter = getAdapter.invoke(gson, component);
|
|
return read.invoke(adapter, reader);
|
|
} catch (ReflectiveOperationException ex) {
|
|
throw new RuntimeException("Failed to read JSON", ex);
|
|
}
|
|
}
|
|
}
|