Paper/src/main/java/org/bukkit/craftbukkit/CraftOfflinePlayer.java

package org.bukkit.craftbukkit;

import java.util.LinkedHashMap;
import java.util.Map;
import net.minecraft.server.EntityPlayer;
import org.bukkit.Bukkit;
import org.bukkit.OfflinePlayer;
import org.bukkit.Server;
import org.bukkit.configuration.serialization.ConfigurationSerializable;
import org.bukkit.configuration.serialization.SerializableAs;
import org.bukkit.entity.Player;

@SerializableAs("Player")
public class CraftOfflinePlayer implements OfflinePlayer, ConfigurationSerializable {
    private final String name;
    private final CraftServer server;

    protected CraftOfflinePlayer(CraftServer server, String name) {
        this.server = server;
        this.name = name;
    }

    public boolean isOnline() {
        return getPlayer() != null;
    }

    public String getName() {
        return name;
    }

    public Server getServer() {
        return server;
    }

    public boolean isOp() {
        return server.getHandle().isOp(getName().toLowerCase());
    }

    public void setOp(boolean value) {
        if (value == isOp()) return;

        if (value) {
            server.getHandle().addOp(getName().toLowerCase());
        } else {
            server.getHandle().removeOp(getName().toLowerCase());
        }
    }

    public boolean isBanned() {
        return server.getHandle().banByName.contains(name.toLowerCase());
    }

    public void setBanned(boolean value) {
        if (value) {
            server.getHandle().addUserBan(name.toLowerCase());
        } else {
            server.getHandle().removeUserBan(name.toLowerCase());
        }
    }

    public boolean isWhitelisted() {
        return server.getHandle().getWhitelisted().contains(name.toLowerCase());
    }

    public void setWhitelisted(boolean value) {
        if (value) {
            server.getHandle().addWhitelist(name.toLowerCase());
        } else {
            server.getHandle().removeWhitelist(name.toLowerCase());
        }
    }

    public Map<String, Object> serialize() {
        Map<String, Object> result = new LinkedHashMap<String, Object>();
        
        result.put("name", name);
        
        return result;
    }
    
    public static OfflinePlayer deserialize(Map<String, Object> args) {
        return Bukkit.getServer().getOfflinePlayer((String)args.get("name"));
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + "[name=" + name + "]";
    }

    public Player getPlayer() {
        for (Object obj: server.getHandle().players) {
            EntityPlayer player = (EntityPlayer)obj;
            if (player.name.equalsIgnoreCase(getName())) {
                return (player.netServerHandler != null) ? player.netServerHandler.getPlayer() : null;
            }
        }
        
        return null;
    }
}