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gurux.dlms.java package is used to communicate with DLMS devices.
//
// --------------------------------------------------------------------------
// Gurux Ltd
//
//
//
// Filename: $HeadURL$
//
// Version: $Revision$,
// $Date$
// $Author$
//
// Copyright (c) Gurux Ltd
//
//---------------------------------------------------------------------------
//
// DESCRIPTION
//
// This file is a part of Gurux Device Framework.
//
// Gurux Device Framework is Open Source 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; version 2 of the License.
// Gurux Device Framework 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.
//
// More information of Gurux products: https://www.gurux.org
//
// This code is licensed under the GNU General Public License v2.
// Full text may be retrieved at http://www.gnu.org/licenses/gpl-2.0.txt
//---------------------------------------------------------------------------
package gurux.dlms.objects;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;
import java.util.ArrayList;
import java.util.Map.Entry;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.xml.stream.XMLStreamException;
import gurux.dlms.GXArray;
import gurux.dlms.GXByteBuffer;
import gurux.dlms.GXDLMSClient;
import gurux.dlms.GXDLMSSettings;
import gurux.dlms.GXSimpleEntry;
import gurux.dlms.GXStructure;
import gurux.dlms.GXUInt16;
import gurux.dlms.ValueEventArgs;
import gurux.dlms.enums.DataType;
import gurux.dlms.enums.ErrorCode;
import gurux.dlms.enums.ObjectType;
import gurux.dlms.internal.GXCommon;
/**
* Online help: https://www.gurux.fi/Gurux.DLMS.Objects.GXDLMSFunctionControl
*/
public class GXDLMSFunctionControl extends GXDLMSObject implements IGXDLMSBase {
/**
* The current status of each functional block defined in the functions
* property.
*/
private ArrayList> activationStatus;
/**
* List of modified functions.
*/
private ArrayList>> functionList;
/**
* Constructor.
*/
public GXDLMSFunctionControl() {
this("0.0.44.1.0.255", 0);
}
/**
* Constructor.
*
* @param ln
* Logical Name of the object.
*/
public GXDLMSFunctionControl(String ln) {
this(ln, 0);
}
/**
* Constructor.
*
* @param ln
* Logical Name of the object.
* @param sn
* Short Name of the object.
*/
public GXDLMSFunctionControl(String ln, int sn) {
super(ObjectType.FUNCTION_CONTROL, ln, sn);
activationStatus = new ArrayList>();
functionList = new ArrayList>>();
}
/**
* @return The current status of each functional block defined in the
* functions property.
*/
public final ArrayList> getActivationStatus() {
return activationStatus;
}
/**
* @param value
* The current status of each functional block defined in the
* functions property.
*/
public final void setActivationStatus(ArrayList> value) {
activationStatus = value;
};
/**
* @return List of modified functions.
*/
public final ArrayList>> getFunctionList() {
return functionList;
}
/**
* @param value
* List of modified functions.
*/
public final void setFunctionList(ArrayList>> value) {
functionList = value;
}
@Override
public Object[] getValues() {
return new Object[] { getLogicalName(), getActivationStatus(), getFunctionList() };
}
/**
* Adjusts the value of the current credit amount attribute.
*
* @param client
* DLMS client.
* @param functions
* Enabled or disabled functions.
* @return Action bytes. * @return Action bytes.
* @throws NoSuchPaddingException
* No such padding exception.
* @throws NoSuchAlgorithmException
* No such algorithm exception.
* @throws InvalidAlgorithmParameterException
* Invalid algorithm parameter exception.
* @throws InvalidKeyException
* Invalid key exception.
* @throws BadPaddingException
* Bad padding exception.
* @throws IllegalBlockSizeException
* Illegal block size exception.
* @throws SignatureException
* Signature exception.
*/
public final byte[][] setFunctionStatus(GXDLMSClient client, ArrayList> functions)
throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException,
InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException, SignatureException {
return client.method(this, 1, functionStatusToByteArray(functions), DataType.ARRAY);
}
/**
* Adjusts the value of the current credit amount attribute.
*
* @param client
* DLMS client.
* @param functions
* Added functions.
* @return Action bytes.
* @return Action bytes.
* @throws NoSuchPaddingException
* No such padding exception.
* @throws NoSuchAlgorithmException
* No such algorithm exception.
* @throws InvalidAlgorithmParameterException
* Invalid algorithm parameter exception.
* @throws InvalidKeyException
* Invalid key exception.
* @throws BadPaddingException
* Bad padding exception.
* @throws IllegalBlockSizeException
* Illegal block size exception.
* @throws SignatureException
* Signature exception.
*/
public final byte[][] addFunction(GXDLMSClient client, ArrayList>> functions)
throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException,
InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException, SignatureException {
return client.method(this, 2, functionListToByteArray(functions), DataType.ARRAY);
}
/**
* Adjusts the value of the current credit amount attribute.
*
* @param client
* DLMS client.
* @param functions
* Added functions.
* @return Action bytes.
* @throws NoSuchPaddingException
* No such padding exception.
* @throws NoSuchAlgorithmException
* No such algorithm exception.
* @throws InvalidAlgorithmParameterException
* Invalid algorithm parameter exception.
* @throws InvalidKeyException
* Invalid key exception.
* @throws BadPaddingException
* Bad padding exception.
* @throws IllegalBlockSizeException
* Illegal block size exception.
* @throws SignatureException
* Signature exception.
*/
public final byte[][] RemoveFunction(GXDLMSClient client,
ArrayList>> functions)
throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException,
InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException, SignatureException {
return client.method(this, 3, functionListToByteArray(functions), DataType.ARRAY);
}
/**
* Convert function states to byte array.
*
* @param functions
* Functions.
* @return
*/
private static byte[] functionStatusToByteArray(ArrayList> functions) {
GXByteBuffer bb = new GXByteBuffer();
bb.setUInt8(DataType.ARRAY);
GXCommon.setObjectCount(functions.size(), bb);
for (Entry it : functions) {
bb.setUInt8(DataType.STRUCTURE);
bb.setUInt8(2);
bb.setUInt8(DataType.OCTET_STRING);
GXCommon.setObjectCount(it.getKey().length(), bb);
bb.set(it.getKey().getBytes());
bb.setUInt8(DataType.BOOLEAN);
bb.setUInt8((byte) (it.getValue() ? 1 : 0));
}
return bb.array();
}
/**
* Get function states from byte array.
*
* @param values
* Byte buffer.
* @return Function statuses.
*/
private static ArrayList> functionStatusFromByteArray(ArrayList values) {
ArrayList> functions = new ArrayList>();
for (Object tmp : values) {
GXStructure it = (GXStructure) tmp;
functions.add(new GXSimpleEntry(new String((byte[]) it.get(0)), (boolean) (it.get(1))));
}
return functions;
}
/**
* Convert function list to byte array.
*
* @param functions
* Functions.
* @return Action bytes.
*/
private static byte[] functionListToByteArray(ArrayList>> functions) {
GXByteBuffer bb = new GXByteBuffer();
bb.setUInt8(DataType.ARRAY);
GXCommon.setObjectCount(functions.size(), bb);
for (Entry> it : functions) {
bb.setUInt8(DataType.STRUCTURE);
bb.setUInt8(2);
bb.setUInt8(DataType.OCTET_STRING);
GXCommon.setObjectCount(it.getKey().length(), bb);
bb.set(it.getKey().getBytes());
bb.setUInt8(DataType.ARRAY);
GXCommon.setObjectCount(it.getValue().size(), bb);
for (GXDLMSObject obj : it.getValue()) {
bb.setUInt8(DataType.STRUCTURE);
bb.setUInt8(2);
// Object type.
bb.setUInt8(DataType.UINT16);
bb.setUInt16(obj.getObjectType().getValue());
// LN
GXCommon.setData(null, bb, DataType.OCTET_STRING, GXCommon.logicalNameToBytes(obj.getLogicalName()));
}
}
return bb.array();
}
/**
* Convert function list to byte array.
*
* @param functions
* Functions.
* @return Action bytes.
*/
private static ArrayList>> functionListFromByteArray(ArrayList values) {
ArrayList>> functions =
new ArrayList>>();
for (Object tmp : values) {
GXStructure it = (GXStructure) tmp;
String fn = new String((byte[]) it.get(0));
ArrayList objects = new ArrayList();
for (Object tmp2 : (GXArray) it.get(1)) {
GXStructure it2 = (GXStructure) tmp2;
ObjectType ot = ObjectType.forValue(((GXUInt16) it2.get(0)).intValue());
byte[] ln = (byte[]) it2.get(1);
GXDLMSObject obj = GXDLMSClient.createObject(ot);
obj.setLogicalName(GXCommon.toLogicalName(ln));
objects.add(obj);
}
functions.add(new GXSimpleEntry>(fn, objects));
}
return functions;
}
@Override
public final byte[] invoke(GXDLMSSettings settings, ValueEventArgs e) {
if (e.getIndex() == 1) {
ArrayList> functions = functionStatusFromByteArray((ArrayList) e.getParameters());
for (Entry f : functions) {
for (Entry w : activationStatus) {
{
if (f.getKey().equals(w.getKey())) {
w.setValue(f.getValue());
break;
}
}
}
}
} else if (e.getIndex() == 2) {
ArrayList>> functions =
functionListFromByteArray((ArrayList) e.getParameters());
functionList.addAll(functions);
} else if (e.getIndex() == 3) {
ArrayList>> functions =
functionListFromByteArray((ArrayList) e.getParameters());
for (Entry> f : functions) {
for (Entry> w : functionList) {
{
if (f.getKey().equals(w.getKey())) {
functionList.remove(f);
break;
}
}
}
}
} else {
e.setError(ErrorCode.READ_WRITE_DENIED);
}
return null;
}
@Override
public final int[] getAttributeIndexToRead(boolean all) {
ArrayList attributes = new ArrayList();
// LN is static and read only once.
if (all || getLogicalName() == null || getLogicalName().compareTo("") == 0) {
attributes.add(1);
}
// activation_status
if (all || canRead(2)) {
attributes.add(2);
}
// function_list
if (all || canRead(3)) {
attributes.add(3);
}
return GXDLMSObjectHelpers.toIntArray(attributes);
}
@Override
public final String[] getNames() {
return new String[] { "Logical Name", "ActivationStatus", "FunctionList" };
}
@Override
public final String[] getMethodNames() {
return new String[] { "SetFunctionStatus", "AddFunction", "RemoveFunction" };
}
@Override
public final int getAttributeCount() {
return 3;
}
@Override
public final int getMethodCount() {
return 3;
}
@Override
public DataType getDataType(int index) {
switch (index) {
case 1:
return DataType.OCTET_STRING;
case 2:
return DataType.ARRAY;
case 3:
return DataType.ARRAY;
default:
throw new IllegalArgumentException("GetDataType failed. Invalid attribute index.");
}
}
@Override
public final Object getValue(GXDLMSSettings settings, ValueEventArgs e) {
switch (e.getIndex()) {
case 1:
return GXCommon.logicalNameToBytes(getLogicalName());
case 2:
return functionStatusToByteArray(getActivationStatus());
case 3:
return functionListToByteArray(getFunctionList());
default:
e.setError(ErrorCode.READ_WRITE_DENIED);
break;
}
return null;
}
@Override
public final void setValue(GXDLMSSettings settings, ValueEventArgs e) {
switch (e.getIndex()) {
case 1:
setLogicalName(GXCommon.toLogicalName(e.getValue()));
break;
case 2:
setActivationStatus(functionStatusFromByteArray((ArrayList) e.getValue()));
break;
case 3:
setFunctionList(functionListFromByteArray((ArrayList) e.getValue()));
break;
default:
e.setError(ErrorCode.READ_WRITE_DENIED);
break;
}
}
@Override
public final void load(GXXmlReader reader) throws XMLStreamException {
if (reader.isStartElement("Activations", true)) {
getActivationStatus().clear();
while (reader.isStartElement("Item", true)) {
String name = reader.readElementContentAsString("Name");
boolean status = reader.readElementContentAsInt("Status") != 0;
getActivationStatus().add(new GXSimpleEntry(name, status));
}
reader.readEndElement("Activations");
}
if (reader.isStartElement("Functions", true)) {
getFunctionList().clear();
while (reader.isStartElement("Item", true)) {
String name = reader.readElementContentAsString("Name");
ArrayList objects = new ArrayList();
getFunctionList().add(new GXSimpleEntry>(name, objects));
if (reader.isStartElement("Objects", true)) {
while (reader.isStartElement("Object", true)) {
ObjectType ot = ObjectType.forValue(reader.readElementContentAsInt("ObjectType"));
String ln = reader.readElementContentAsString("LN");
GXDLMSObject obj = GXDLMSClient.createObject(ot);
obj.setLogicalName(ln);
objects.add(obj);
}
reader.readEndElement("Objects");
}
}
reader.readEndElement("Functions");
}
}
@Override
public final void save(GXXmlWriter writer) throws XMLStreamException {
writer.writeStartElement("Activations");
for (Entry it : getActivationStatus()) {
writer.writeStartElement("Item");
writer.writeElementString("Name", it.getKey());
writer.writeElementString("Status", it.getValue());
writer.writeEndElement();
}
writer.writeEndElement(); // Activations
writer.writeStartElement("Functions");
for (Entry> it : getFunctionList()) {
writer.writeStartElement("Item");
writer.writeElementString("Name", it.getKey());
writer.writeStartElement("Objects");
for (GXDLMSObject obj : it.getValue()) {
writer.writeStartElement("Object");
writer.writeElementString("ObjectType", obj.getObjectType().getValue());
writer.writeElementString("LN", obj.getLogicalName());
writer.writeEndElement(); // Object
}
writer.writeEndElement(); // Objects
writer.writeEndElement(); // Item
}
writer.writeEndElement(); // Functions
}
@Override
public final void postLoad(GXXmlReader reader) {
}
}