/**
* Copyright (c) 2010-2014, openHAB.org and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.core.library.items;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import org.openhab.core.items.GenericItem;
import org.openhab.core.library.types.DecimalType;
import org.openhab.core.library.types.PercentType;
import org.openhab.core.library.types.StopMoveType;
import org.openhab.core.library.types.UpDownType;
import org.openhab.core.types.Command;
import org.openhab.core.types.State;
import org.openhab.core.types.UnDefType;
/**
* A RollershutterItem allows the control of roller shutters, i.e.
* moving them up, down, stopping or setting it to close to a certain percentage.
*
* @author Kai Kreuzer
*
*/
public class RollershutterItem extends GenericItem {
private static List<Class<? extends State>> acceptedDataTypes = new ArrayList<Class<? extends State>>();
private static List<Class<? extends Command>> acceptedCommandTypes = new ArrayList<Class<? extends Command>>();
static {
acceptedDataTypes.add(UnDefType.class);
acceptedDataTypes.add(UpDownType.class);
acceptedDataTypes.add(PercentType.class);
acceptedCommandTypes.add(UpDownType.class);
acceptedCommandTypes.add(StopMoveType.class);
acceptedCommandTypes.add(PercentType.class);
}
public RollershutterItem(String name) {
super(name);
}
public List<Class<? extends State>> getAcceptedDataTypes() {
return acceptedDataTypes;
}
public List<Class<? extends Command>> getAcceptedCommandTypes() {
return acceptedCommandTypes;
}
/**
* {@inheritDoc}
*/
@Override
public void setState(State state) {
// we map UP/DOWN values to the percent values 0 and 100
if(state==UpDownType.UP) {
super.setState(PercentType.ZERO);
} else if(state==UpDownType.DOWN) {
super.setState(PercentType.HUNDRED);
} else {
super.setState(state);
}
}
/**
* {@inheritDoc}
*/
@Override
public State getStateAs(Class<? extends State> typeClass) {
if(typeClass==UpDownType.class) {
if(state.equals(PercentType.ZERO)) {
return UpDownType.UP;
} else if(state.equals(PercentType.HUNDRED)) {
return UpDownType.DOWN;
} else {
return UnDefType.UNDEF;
}
} else if(typeClass==DecimalType.class) {
if(state instanceof PercentType) {
return new DecimalType(((PercentType) state).toBigDecimal().divide(new BigDecimal(100), 8, RoundingMode.UP));
}
}
return super.getStateAs(typeClass);
}
}