gurux.dlms.objects.GXDLMSSapAssignment Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of gurux.dlms Show documentation
Show all versions of gurux.dlms Show documentation
gurux.dlms.java package is used to communicate with DLMS devices.
The newest version!
//
// --------------------------------------------------------------------------
// 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.List;
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.GXByteBuffer;
import gurux.dlms.GXDLMSClient;
import gurux.dlms.GXDLMSSettings;
import gurux.dlms.GXSimpleEntry;
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.GXDLMSSapAssignment
*/
public class GXDLMSSapAssignment extends GXDLMSObject implements IGXDLMSBase {
private List> sapAssignmentList;
/**
* Constructor.
*/
public GXDLMSSapAssignment() {
super(ObjectType.SAP_ASSIGNMENT, "0.0.41.0.0.255", 0);
sapAssignmentList = new ArrayList>();
}
/**
* Constructor.
*
* @param ln
* Logical Name of the object.
*/
public GXDLMSSapAssignment(final String ln) {
super(ObjectType.SAP_ASSIGNMENT, ln, 0);
sapAssignmentList = new ArrayList>();
}
/**
* Constructor.
*
* @param ln
* Logical Name of the object.
* @param sn
* Short Name of the object.
*/
public GXDLMSSapAssignment(final String ln, final int sn) {
super(ObjectType.SAP_ASSIGNMENT, ln, sn);
sapAssignmentList = new ArrayList>();
}
public final List> getSapAssignmentList() {
return sapAssignmentList;
}
public final void setSapAssignmentList(final List> value) {
sapAssignmentList = value;
}
/**
* Add new SAP item.
*
* @param client
* DLMS client.
* @param id
* SAP ID.
* @param name
* Logical device name.
* @return Generated bytes sent to the meter.
* @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[][] addSap(GXDLMSClient client, short id, String name)
throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException,
InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException,
SignatureException {
GXByteBuffer data = new GXByteBuffer();
data.setUInt8(DataType.STRUCTURE.getValue());
// Add structure size.
data.setUInt8(2);
GXCommon.setData(null, data, DataType.UINT16, id);
GXCommon.setData(null, data, DataType.OCTET_STRING, name.getBytes());
return client.method(this, 1, data.array(), DataType.STRUCTURE);
}
/**
* Remove SAP item.
*
* @param client
* DLMS client.
* @param name
* Logical device name.
* @return Generated bytes sent to the meter.
* @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[][] removeSap(GXDLMSClient client, String name) throws InvalidKeyException,
NoSuchAlgorithmException, NoSuchPaddingException, InvalidAlgorithmParameterException,
IllegalBlockSizeException, BadPaddingException, SignatureException {
GXByteBuffer data = new GXByteBuffer();
data.setUInt8(DataType.STRUCTURE.getValue());
// Add structure size.
data.setUInt8(2);
GXCommon.setData(null, data, DataType.UINT16, 0);
GXCommon.setData(null, data, DataType.OCTET_STRING, name.getBytes());
return client.method(this, 1, data.array(), DataType.STRUCTURE);
}
@Override
public final Object[] getValues() {
return new Object[] { getLogicalName(), getSapAssignmentList() };
}
/*
* Returns collection of attributes to read. If attribute is static and
* already read or device is returned HW error it is not returned.
*/
@Override
public final int[] getAttributeIndexToRead(final boolean all) {
java.util.ArrayList attributes = new java.util.ArrayList();
// LN is static and read only once.
if (all || getLogicalName() == null || getLogicalName().compareTo("") == 0) {
attributes.add(1);
}
// SapAssignmentList
if (all || !isRead(2)) {
attributes.add(2);
}
return GXDLMSObjectHelpers.toIntArray(attributes);
}
/*
* Returns amount of attributes.
*/
@Override
public final int getAttributeCount() {
return 2;
}
/*
* Returns amount of methods.
*/
@Override
public final int getMethodCount() {
return 1;
}
@Override
public byte[] invoke(final GXDLMSSettings settings, final ValueEventArgs e) {
if (e.getIndex() == 1) {
List tmp = (List) e.getParameters();
int id = ((Number) tmp.get(0)).intValue();
String str;
if (tmp.get(1) instanceof byte[]) {
str = new String((byte[]) tmp.get(1));
} else {
str = tmp.get(1).toString();
}
if (id == 0) {
for (Entry it : sapAssignmentList) {
if (it.getValue().compareTo(str) == 0) {
sapAssignmentList.remove(it);
break;
}
}
} else {
sapAssignmentList.add(new GXSimpleEntry(id, str));
}
} else {
e.setError(ErrorCode.READ_WRITE_DENIED);
}
return null;
}
@Override
public final DataType getDataType(final int index) {
if (index == 1) {
return DataType.OCTET_STRING;
}
if (index == 2) {
return DataType.ARRAY;
}
throw new IllegalArgumentException("getDataType failed. Invalid attribute index.");
}
/*
* Returns value of given attribute.
*/
@Override
public final Object getValue(final GXDLMSSettings settings, final ValueEventArgs e) {
if (e.getIndex() == 1) {
return GXCommon.logicalNameToBytes(getLogicalName());
}
if (e.getIndex() == 2) {
int cnt = 0;
if (sapAssignmentList != null) {
cnt = sapAssignmentList.size();
}
GXByteBuffer data = new GXByteBuffer();
data.setUInt8(DataType.ARRAY.getValue());
// Add count
GXCommon.setObjectCount(cnt, data);
if (cnt != 0) {
for (Entry it : sapAssignmentList) {
data.setUInt8(DataType.STRUCTURE.getValue());
data.setUInt8(2); // Count
GXCommon.setData(settings, data, DataType.UINT16, it.getKey());
GXCommon.setData(settings, data, DataType.OCTET_STRING,
GXCommon.getBytes(it.getValue()));
}
}
return data.array();
}
e.setError(ErrorCode.READ_WRITE_DENIED);
return null;
}
/*
* Set value of given attribute.
*/
@Override
public final void setValue(final GXDLMSSettings settings, final ValueEventArgs e) {
if (e.getIndex() == 1) {
setLogicalName(GXCommon.toLogicalName(e.getValue()));
} else if (e.getIndex() == 2) {
sapAssignmentList.clear();
if (e.getValue() != null) {
for (Object item : (List) e.getValue()) {
String str;
Object tmp = ((List) item).get(1);
if (tmp instanceof byte[]) {
str = GXDLMSClient
.changeType((byte[]) tmp, DataType.STRING, e.getSettings())
.toString();
} else {
str = tmp.toString();
}
sapAssignmentList.add(new GXSimpleEntry(
((Number) ((List) item).get(0)).intValue(), str));
}
}
} else {
e.setError(ErrorCode.READ_WRITE_DENIED);
}
}
@Override
public final void load(final GXXmlReader reader) throws XMLStreamException {
sapAssignmentList.clear();
if (reader.isStartElement("SapAssignmentList", true)) {
while (reader.isStartElement("Item", true)) {
int sap = reader.readElementContentAsInt("SAP");
String ldn = reader.readElementContentAsString("LDN");
sapAssignmentList.add(new GXSimpleEntry(sap, ldn));
}
reader.readEndElement("SapAssignmentList");
}
}
@Override
public final void save(final GXXmlWriter writer) throws XMLStreamException {
if (sapAssignmentList != null) {
writer.writeStartElement("SapAssignmentList");
for (Entry it : sapAssignmentList) {
writer.writeStartElement("Item");
writer.writeElementString("SAP", it.getKey());
writer.writeElementString("LDN", it.getValue());
writer.writeEndElement();
}
writer.writeEndElement();
}
}
@Override
public final void postLoad(final GXXmlReader reader) {
}
@Override
public String[] getNames() {
return new String[] { "Logical Name", "Sap Assignment List" };
}
@Override
public String[] getMethodNames() {
return new String[] { "Connect logical device" };
}
}