112 lines
2.7 KiB
Java
112 lines
2.7 KiB
Java
// $Id$
|
|
/*
|
|
* This file is a part of WorldGuard.
|
|
* Copyright (c) sk89q <http://www.sk89q.com>
|
|
* Copyright (c) the WorldGuard team and contributors
|
|
*
|
|
* This program 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
|
|
* (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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package com.sk89q.worldguard.region.attribute;
|
|
|
|
import java.io.DataInputStream;
|
|
import java.io.DataOutputStream;
|
|
import java.io.IOException;
|
|
|
|
import org.apache.commons.lang.Validate;
|
|
|
|
/**
|
|
* An attribute that stores three states (none, allow, and deny).
|
|
*
|
|
* @see Managed another way to store booleans (with more memory cost and null
|
|
* support)
|
|
*/
|
|
public class State extends Attribute {
|
|
|
|
public static enum Type {
|
|
NONE,
|
|
ALLOW,
|
|
DENY
|
|
}
|
|
|
|
private Type value = Type.NONE;
|
|
|
|
/**
|
|
* Construct an instance and assign a default name.
|
|
*
|
|
* @see Attribute#Attribute() for basic mechanics
|
|
*/
|
|
public State() {
|
|
}
|
|
|
|
/**
|
|
* Construct an instance and specify an attribute name.
|
|
*
|
|
* @param name name of the attribute
|
|
*/
|
|
public State(String name) {
|
|
super(name);
|
|
}
|
|
|
|
/**
|
|
* Get the value.
|
|
*
|
|
* @return the value
|
|
*/
|
|
public Type getValue() {
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Set the value.
|
|
*
|
|
* @param value the new value
|
|
*/
|
|
public void setValue(Type value) {
|
|
Validate.notNull(value);
|
|
|
|
this.value = value;
|
|
}
|
|
|
|
/**
|
|
* Returns whether the value is {@link Type#NONE} or {@link Type#ALLOW}.
|
|
*
|
|
* @return whether the value is for allow
|
|
*/
|
|
public boolean allows() {
|
|
return value == Type.NONE || value == Type.ALLOW;
|
|
}
|
|
|
|
@Override
|
|
public void read(DataInputStream in, int len) throws IOException {
|
|
int ordinal = in.readByte();
|
|
Type[] values = Type.values();
|
|
|
|
if (ordinal < 0 || ordinal >= values.length) {
|
|
value = Type.NONE;
|
|
} else {
|
|
value = values[ordinal];
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void write(DataOutputStream out) throws IOException {
|
|
out.writeByte(value.ordinal());
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return String.valueOf(value);
|
|
}
|
|
|
|
}
|