freecol/src/net/sf/freecol/common/option/Option.java

101 lines
2.7 KiB
Java

/**
* Copyright (C) 2002-2022 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.option;
import javax.xml.stream.XMLStreamException;
import net.sf.freecol.common.ObjectWithId;
import net.sf.freecol.common.io.FreeColXMLReader;
import net.sf.freecol.common.io.FreeColXMLWriter;
/**
* An option describes something which can be customized by the user.
*/
public interface Option<T> extends Cloneable, ObjectWithId {
/**
* Clone this option.
*
* @return A clone of this option.
* @exception CloneNotSupportedException if we can not clone.
*/
Option<T> cloneOption() throws CloneNotSupportedException;
/**
* Gets the option group identifier for this option.
*
* @return The option group identifier.
*/
String getGroup();
/**
* Set the option group for this option.
*
* @param group The identifier for the option group.
*/
void setGroup(String group);
/**
* Gets the value of this option.
*
* @return The value of this {@code Option}.
*/
T getValue();
/**
* Sets the value of this option.
*
* @param value The new value of this {@code Option}.
*/
void setValue(T value);
/**
* Gets the key of an {@code BooleanOption} that must be true for this
* option to be enabled.
*
* @return The key of the {@code BooleanOption} that needs to be enabled.
*/
String getEnabledBy();
/**
* Initializes this object from an XML-representation of this object.
*
* @param xr The input stream with the XML.
* @throws XMLStreamException if there are any problems reading the stream.
*/
void readFromXML(FreeColXMLReader xr) throws XMLStreamException;
/**
* Makes an XML-representation of this object.
*
* @param xw The {@code FreeColXMLWriter} to write to.
* @throws XMLStreamException if there are any problems writing the stream.
*/
void toXML(FreeColXMLWriter xw) throws XMLStreamException;
/**
* {@inheritDoc}
*/
@Override
String toString();
}