TFM-4.3-Reloaded/src/main/java/me/StevenLawson/TotalFreedomMod/commands/Command_debug.java

package me.StevenLawson.TotalFreedomMod.commands;

import java.lang.reflect.Field;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;

@CommandPermissions(level = AdminLevel.SENIOR, source = SourceType.ONLY_CONSOLE)
public class Command_debug extends FreedomCommand {

	public static void setStaticValue(final String className, final String fieldName,
		final String newValueString) throws Exception {
		Class<?> forName = Class.forName(className);
		if (forName != null) {
			final Field field = forName.getDeclaredField(fieldName);
			if (field != null) {
				Object newValue;

				Class<?> type = field.getType();
				if (type.isPrimitive()) {
					if (type.getName().equals("int")) {
						newValue = Integer.parseInt(newValueString);
					} else if (type.getName().equals("double")) {
						newValue = Double.parseDouble(newValueString);
					} else if (type.getName().equals("boolean")) {
						newValue = Boolean.parseBoolean(newValueString);
					} else {
						throw new Exception("Unknown primitive field type.");
					}
				} else {
					if (type.isAssignableFrom(Integer.class)) {
						newValue = new Integer(newValueString);
					} else if (type.isAssignableFrom(Double.class)) {
						newValue = new Double(newValueString);
					} else if (type.isAssignableFrom(Boolean.class)) {
						newValue = Boolean.valueOf(newValueString);
					} else if (type.isAssignableFrom(String.class)) {
						newValue = newValueString;
					} else {
						throw new Exception("Unknown complex field type.");
					}
				}

				field.setAccessible(true);

				final Object oldValue = field.get(Class.forName(className));
				if (oldValue != null) {
					field.set(oldValue, newValue);
				}

				field.setAccessible(false);
			}
		}
	}

	@Override
	public boolean run(CommandSender sender, org.bukkit.entity.Player sender_p, Command cmd,
		String commandLabel, String[] args, boolean senderIsConsole) {
		if (args.length < 3) {
			return false;
		}

		try {
			String className = args[0];
			String fieldName = args[1];
			String newValue = StringUtils.join(ArrayUtils.subarray(args, 2, args.length), " ");

			if (className.equalsIgnoreCase("_")) {
				className = "me.StevenLawson.TotalFreedomMod.TotalFreedomMod";
			}

			setStaticValue(className, fieldName, newValue);

			sender.sendMessage("Debug: OK");
		} catch (Exception ex) {
			sender.sendMessage(ex.getMessage());
		}

		return true;
	}
}