/**
* 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.binding.em.internal;
import org.openhab.binding.em.EMBindingProvider;
import org.openhab.binding.em.internal.EMBindingConfig.Datapoint;
import org.openhab.binding.em.internal.EMBindingConfig.EMType;
import org.openhab.core.binding.BindingConfig;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.model.item.binding.AbstractGenericBindingProvider;
import org.openhab.model.item.binding.BindingConfigParseException;
/**
* This class is responsible for parsing the binding configuration.
*
* @author Till Klocke
* @since 1.4.0
*/
public class EMGenericBindingProvider extends AbstractGenericBindingProvider implements EMBindingProvider {
/**
* {@inheritDoc}
*/
public String getBindingType() {
return "em";
}
/**
* @{inheritDoc}
*/
@Override
public void validateItemType(Item item, String bindingConfig) throws BindingConfigParseException {
if (!(item instanceof NumberItem)) {
throw new BindingConfigParseException("item '" + item.getName() + "' is of type '"
+ item.getClass().getSimpleName()
+ "', only NumberItems are allowed - please check your *.items configuration");
}
}
/**
* Binding config in the style {em=
* "type=01|02|03;address=AA;datapoint=CUMULATED_VALUE;correctionFactor=NN"}
* {@inheritDoc}
*/
@Override
public void processBindingConfiguration(String context, Item item, String bindingConfig)
throws BindingConfigParseException {
super.processBindingConfiguration(context, item, bindingConfig);
String[] parts = bindingConfig.split(";");
String address = null;
EMType type = null;
Datapoint datapoint = null;
double correctionFactor = 0;
for (String part : parts) {
String[] keyValue = part.split("=");
if ("type".equals(keyValue[0])) {
type = EMType.getFromTypeValue(keyValue[1]);
} else if ("address".equals(keyValue[0])) {
address = keyValue[1];
} else if ("datapoint".equals(keyValue[0])) {
datapoint = Datapoint.valueOf(keyValue[1]);
} else if ("correctionFactor".equals(keyValue[0])) {
correctionFactor = Double.parseDouble(keyValue[1]);
}
}
EMBindingConfig config = new EMBindingConfig(type, address, datapoint, item, correctionFactor);
addBindingConfig(item, config);
}
@Override
public EMBindingConfig getConfigByTypeAndAddressAndDatapoint(EMType type, String address, Datapoint datapoint) {
for (BindingConfig config : super.bindingConfigs.values()) {
EMBindingConfig emConfig = (EMBindingConfig) config;
if (emConfig.getAddress().equals(address) && emConfig.getType() == type
&& emConfig.getDatapoint() == datapoint) {
return emConfig;
}
}
return null;
}
}