/**
* ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
* Copyright (C) 2017 Dan Mulloy
*
* 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 com.comphenix.protocol.reflect.accessors.Accessors;
import com.comphenix.protocol.reflect.accessors.ConstructorAccessor;
import com.comphenix.protocol.reflect.accessors.FieldAccessor;
import com.google.common.base.Defaults;
import com.google.common.base.Preconditions;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import com.comphenix.protocol.reflect.EquivalentConverter;
import com.comphenix.protocol.utility.MinecraftReflection;
/**
* Automatically wraps an internal NMS class to a non-versioned, deofbuscated class.
* Requirements:
*
*
The wrapper must be public
*
If the wrapper is an internal class, it must be static
*
The wrapper must have one public constructor with no arguments (the default constructor is acceptable)
*
The wrapper must have the the same number of fields as the NMS class
*
Each field should correspond, in order, to its NMS counterpart
*
Non-generic fields must have a converter
*
*
* @author dmulloy2
*/
public class AutoWrapper implements EquivalentConverter {
private static final Object[] NO_ARGS = new Object[0];
private Map> wrappers = new HashMap<>();
private Map> unwrappers = new HashMap<>();
// lazy
private FieldAccessor[] nmsAccessors;
private FieldAccessor[] wrapperAccessors;
private Object[] nmsDefaultArgs;
private ConstructorAccessor nmsInstanceCreator;
private Class wrapperClass;
private Class> nmsClass;
private AutoWrapper(Class wrapperClass, Class> nmsClass) {
this.wrapperClass = wrapperClass;
this.nmsClass = nmsClass;
}
public static AutoWrapper wrap(Class wrapperClass, Class> nmsClass) {
return new AutoWrapper<>(wrapperClass, nmsClass);
}
public static AutoWrapper wrap(Class wrapperClass, String nmsClassName) {
return wrap(wrapperClass, MinecraftReflection.getMinecraftClass(nmsClassName));
}
public static AutoWrapper wrap(Class wrapperClass, String nmsClassName, String... aliases) {
return wrap(wrapperClass, MinecraftReflection.getMinecraftClass(nmsClassName, aliases));
}
public AutoWrapper field(int index, Function