/*
* ============================================================================
* GNU General Public License
* ============================================================================
*
* Copyright (C) 2006-2011 Serotonin Software Technologies Inc. http://serotoninsoftware.com
* @author Matthew Lohbihler
*
* This program 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 3 of the License, or
* (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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* When signing a commercial license with Serotonin Software Technologies Inc.,
* the following extension to GPL is made. A special exception to the GPL is
* included to allow you to distribute a combined work that includes BAcnet4J
* without being obliged to provide the source code for any proprietary components.
*/
package com.serotonin.bacnet4j.service.confirmed;
import java.util.ArrayList;
import java.util.List;
import com.serotonin.bacnet4j.LocalDevice;
import com.serotonin.bacnet4j.exception.BACnetErrorException;
import com.serotonin.bacnet4j.exception.BACnetException;
import com.serotonin.bacnet4j.exception.BACnetServiceException;
import com.serotonin.bacnet4j.obj.BACnetObject;
import com.serotonin.bacnet4j.obj.ObjectProperties;
import com.serotonin.bacnet4j.obj.PropertyTypeDefinition;
import com.serotonin.bacnet4j.service.acknowledgement.AcknowledgementService;
import com.serotonin.bacnet4j.service.acknowledgement.ReadPropertyMultipleAck;
import com.serotonin.bacnet4j.type.constructed.Address;
import com.serotonin.bacnet4j.type.constructed.BACnetError;
import com.serotonin.bacnet4j.type.constructed.PropertyReference;
import com.serotonin.bacnet4j.type.constructed.ReadAccessResult;
import com.serotonin.bacnet4j.type.constructed.ReadAccessResult.Result;
import com.serotonin.bacnet4j.type.constructed.ReadAccessSpecification;
import com.serotonin.bacnet4j.type.constructed.SequenceOf;
import com.serotonin.bacnet4j.type.enumerated.PropertyIdentifier;
import com.serotonin.bacnet4j.type.primitive.ObjectIdentifier;
import com.serotonin.bacnet4j.type.primitive.OctetString;
import com.serotonin.bacnet4j.type.primitive.UnsignedInteger;
import org.free.bacnet4j.util.ByteQueue;
public class ReadPropertyMultipleRequest extends ConfirmedRequestService {
private static final long serialVersionUID = 1994873785772969841L;
public static final byte TYPE_ID = 14;
private final SequenceOf<ReadAccessSpecification> listOfReadAccessSpecs;
public ReadPropertyMultipleRequest(SequenceOf<ReadAccessSpecification> listOfReadAccessSpecs) {
this.listOfReadAccessSpecs = listOfReadAccessSpecs;
}
@Override
public byte getChoiceId() {
return TYPE_ID;
}
@Override
public void write(ByteQueue queue) {
write(queue, listOfReadAccessSpecs);
}
ReadPropertyMultipleRequest(ByteQueue queue) throws BACnetException {
listOfReadAccessSpecs = readSequenceOf(queue, ReadAccessSpecification.class);
}
@Override
public AcknowledgementService handle(LocalDevice localDevice, Address from, OctetString linkService)
throws BACnetException {
BACnetObject obj;
ObjectIdentifier oid;
List<ReadAccessResult> readAccessResults = new ArrayList<ReadAccessResult>();
List<Result> results;
try {
for (ReadAccessSpecification req : listOfReadAccessSpecs) {
results = new ArrayList<Result>();
oid = req.getObjectIdentifier();
obj = localDevice.getObjectRequired(oid);
for (PropertyReference propRef : req.getListOfPropertyReferences())
addProperty(obj, results, propRef.getPropertyIdentifier(), propRef.getPropertyArrayIndex());
readAccessResults.add(new ReadAccessResult(oid, new SequenceOf<Result>(results)));
}
}
catch (BACnetServiceException e) {
throw new BACnetErrorException(getChoiceId(), e);
}
return new ReadPropertyMultipleAck(new SequenceOf<ReadAccessResult>(readAccessResults));
}
@Override
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * result + ((listOfReadAccessSpecs == null) ? 0 : listOfReadAccessSpecs.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final ReadPropertyMultipleRequest other = (ReadPropertyMultipleRequest) obj;
if (listOfReadAccessSpecs == null) {
if (other.listOfReadAccessSpecs != null)
return false;
}
else if (!listOfReadAccessSpecs.equals(other.listOfReadAccessSpecs))
return false;
return true;
}
@Override
public String toString() {
return "ReadPropertyMultipleRequest [listOfReadAccessSpecs=" + listOfReadAccessSpecs + "]";
}
private void addProperty(BACnetObject obj, List<Result> results, PropertyIdentifier pid, UnsignedInteger pin) {
if (pid.intValue() == PropertyIdentifier.all.intValue()) {
for (PropertyTypeDefinition def : ObjectProperties.getPropertyTypeDefinitions(obj.getId().getObjectType()))
addProperty(obj, results, def.getPropertyIdentifier(), pin);
}
else if (pid.intValue() == PropertyIdentifier.required.intValue()) {
for (PropertyTypeDefinition def : ObjectProperties.getRequiredPropertyTypeDefinitions(obj.getId()
.getObjectType()))
addProperty(obj, results, def.getPropertyIdentifier(), pin);
}
else if (pid.intValue() == PropertyIdentifier.optional.intValue()) {
for (PropertyTypeDefinition def : ObjectProperties.getOptionalPropertyTypeDefinitions(obj.getId()
.getObjectType()))
addProperty(obj, results, def.getPropertyIdentifier(), pin);
}
else {
// Get the specified property.
try {
results.add(new Result(pid, pin, obj.getPropertyRequired(pid, pin)));
}
catch (BACnetServiceException e) {
results.add(new Result(pid, pin, new BACnetError(e.getErrorClass(), e.getErrorCode())));
}
}
}
}