/*
* Minecraft Forge
* Copyright (c) 2016.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.server.permission;
import com.mojang.authlib.GameProfile;
import net.minecraft.server.MinecraftServer;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.server.permission.context.IContext;
import javax.annotation.Nullable;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
/**
* Default implementation of PermissionAPI.
* {@link #hasPermission(GameProfile, String, IContext)} is based on DefaultPermissionLevel
*
* @see IPermissionHandler
*/
public enum DefaultPermissionHandler implements IPermissionHandler
{
INSTANCE;
private static final HashMap<String, DefaultPermissionLevel> PERMISSION_LEVEL_MAP = new HashMap<String, DefaultPermissionLevel>();
private static final HashMap<String, String> DESCRIPTION_MAP = new HashMap<String, String>();
@Override
public void registerNode(String node, DefaultPermissionLevel level, String desc)
{
PERMISSION_LEVEL_MAP.put(node, level);
if(!desc.isEmpty())
{
DESCRIPTION_MAP.put(node, desc);
}
}
@Override
public Collection<String> getRegisteredNodes()
{
return Collections.unmodifiableSet(PERMISSION_LEVEL_MAP.keySet());
}
@Override
public boolean hasPermission(GameProfile profile, String node, @Nullable IContext context)
{
DefaultPermissionLevel level = getDefaultPermissionLevel(node);
if(level == DefaultPermissionLevel.NONE)
{
return false;
}
else if(level == DefaultPermissionLevel.ALL)
{
return true;
}
MinecraftServer server = FMLCommonHandler.instance().getMinecraftServerInstance();
return server != null && server.getPlayerList().canSendCommands(profile);
}
@Override
public String getNodeDescription(String node)
{
String desc = DESCRIPTION_MAP.get(node);
return desc == null ? "" : desc;
}
/**
* @return The default permission level of a node. If the permission isn't registred, it will return NONE
*/
public DefaultPermissionLevel getDefaultPermissionLevel(String node)
{
DefaultPermissionLevel level = PERMISSION_LEVEL_MAP.get(node);
return level == null ? DefaultPermissionLevel.NONE : level;
}
}