tuwien.auto.calimero.mgmt.RemotePropertyServiceAdapter Maven / Gradle / Ivy
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/*
Calimero 2 - A library for KNX network access
Copyright (c) 2006, 2011 B. Malinowsky
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under terms
of your choice, provided that you also meet, for each linked independent
module, the terms and conditions of the license of that module. An
independent module is a module which is not derived from or based on
this library. If you modify this library, you may extend this exception
to your version of the library, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from your
version.
*/
package tuwien.auto.calimero.mgmt;
import tuwien.auto.calimero.CloseEvent;
import tuwien.auto.calimero.FrameEvent;
import tuwien.auto.calimero.IndividualAddress;
import tuwien.auto.calimero.exception.KNXException;
import tuwien.auto.calimero.link.KNXLinkClosedException;
import tuwien.auto.calimero.link.KNXNetworkLink;
import tuwien.auto.calimero.link.NetworkLinkListener;
/**
* Property adapter for remote property services.
*
*
* @author B. Malinowsky
*/
public class RemotePropertyServiceAdapter implements PropertyAdapter
{
private final ManagementClient mc;
private final Destination dst;
private byte[] key;
private final NetworkLinkListener nll;
private final PropertyAdapterListener pal;
private final class NLListener implements NetworkLinkListener
{
NLListener()
{}
public void confirmation(final FrameEvent e)
{}
public void indication(final FrameEvent e)
{}
public void linkClosed(final CloseEvent e)
{
pal.adapterClosed(new CloseEvent(RemotePropertyServiceAdapter.this, e
.getInitiator(), e.getReason()));
}
}
/**
* Creates a new property adapter for remote property access.
*
* @param link KNX network link used for communication with the KNX network
* @param remote KNX individual address to access its interface objects
* @param l property adapter listener to get notified about adapter events, use
* null for no listener
* @param connOriented true to use connection oriented mode for access,
* false to use connectionless mode
* @throws KNXLinkClosedException if the network link is closed
*/
public RemotePropertyServiceAdapter(final KNXNetworkLink link,
final IndividualAddress remote, final PropertyAdapterListener l,
final boolean connOriented) throws KNXLinkClosedException
{
mc = new ManagementClientImpl(link);
dst = mc.createDestination(remote, connOriented);
pal = l;
nll = pal != null ? new NLListener() : null;
if (nll != null)
link.addLinkListener(nll);
key = null;
}
/**
* Creates a new property adapter for remote property access in connection-oriented
* mode with authorization.
*
* @param link KNX network link used for communication with the KNX network
* @param remote KNX individual address to access its interface objects
* @param l property adapter listener to get notified about adapter events, use
* null for no listener
* @param authorizeKey byte array with authorization key
* @throws KNXLinkClosedException if the network link is closed
* @throws KNXException on failure during authorization
* @throws InterruptedException
*/
public RemotePropertyServiceAdapter(final KNXNetworkLink link,
final IndividualAddress remote, final PropertyAdapterListener l,
final byte[] authorizeKey) throws KNXException, InterruptedException
{
this(link, remote, l, true);
key = (byte[]) authorizeKey.clone();
try {
mc.authorize(dst, key);
}
catch (final KNXException e) {
close();
throw e;
}
}
/* (non-Javadoc)
* @see tuwien.auto.calimero.mgmt.PropertyAdapter#setProperty
* (int, int, int, int, byte[])
*/
public void setProperty(final int objIndex, final int pid, final int start,
final int elements, final byte[] data) throws KNXException, InterruptedException
{
mc.writeProperty(dst, objIndex, pid, start, elements, data);
}
/* (non-Javadoc)
* @see tuwien.auto.calimero.mgmt.PropertyAdapter#getProperty(int, int, int, int)
*/
public byte[] getProperty(final int objIndex, final int pid, final int start,
final int elements) throws KNXException, InterruptedException
{
return mc.readProperty(dst, objIndex, pid, start, elements);
}
/* (non-Javadoc)
* @see tuwien.auto.calimero.mgmt.PropertyAdapter#getDescription(int, int, int)
*/
public byte[] getDescription(final int objIndex, final int pid, final int propIndex)
throws KNXException, InterruptedException
{
return mc.readPropertyDesc(dst, objIndex, pid, propIndex);
}
/**
* {@inheritDoc} The name for this adapter starts with "remote PS " + remote KNX
* individual address, allowing easier distinction of adapter types.
*/
public String getName()
{
return "remote PS " + dst.getAddress();
}
/* (non-Javadoc)
* @see tuwien.auto.calimero.mgmt.PropertyAdapter#isOpen()
*/
public boolean isOpen()
{
return mc.isOpen();
}
/* (non-Javadoc)
* @see tuwien.auto.calimero.mgmt.PropertyAdapter#close()
*/
public void close()
{
final KNXNetworkLink lnk = mc.detach();
if (lnk != null && nll != null)
lnk.removeLinkListener(nll);
}
}