/*
*
* This file was generated by LLRP Code Generator
* see http://llrp-toolkit.cvs.sourceforge.net/llrp-toolkit
* for more information
* Generated on: Mon Mar 10 14:26:47 KST 2014;
*
*/
/*
* Copyright 2007 ETH Zurich
*
* Licensed under the Apache License, Version 2.0 (the "License");
*
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
*
*/
package kr.ac.kaist.resl.ltk.generated.messages;
import org.apache.log4j.Logger;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.Namespace;
import org.llrp.ltk.exceptions.InvalidLLRPMessageException;
import org.llrp.ltk.exceptions.MissingParameterException;
import kr.ac.kaist.resl.ltk.generated.LLRPConstants;
import kr.ac.kaist.resl.ltk.generated.parameters.Custom;
import kr.ac.kaist.resl.ltk.generated.parameters.ReaderEventNotificationData;
import org.llrp.ltk.types.BitList;
import org.llrp.ltk.types.LLRPBitList;
import org.llrp.ltk.types.LLRPMessage;
import org.llrp.ltk.types.SignedShort;
import org.llrp.ltk.types.UnsignedInteger;
import org.llrp.ltk.types.UnsignedShort;
import java.util.LinkedList;
import java.util.List;
/**
* This message is issued by the Reader to the Client whenever an event that the Client subscribed to occurs. The pertinent event data is conveyed using the ReaderEventNotificationData parameter.
See also {@link <a href="http://www.epcglobalinc.org/standards/llrp/llrp_1_0_1-standard-20070813.pdf#page=77&view=fit">LLRP Specification Section 13.1.5</a>}
and {@link <a href="http://www.epcglobalinc.org/standards/llrp/llrp_1_0_1-standard-20070813.pdf#page=126&view=fit">LLRP Specification Section 16.1.33</a>}
*/
public class READER_EVENT_NOTIFICATION extends LLRPMessage {
public static final SignedShort TYPENUM = new SignedShort(63);
private static final Logger LOGGER = Logger.getLogger(READER_EVENT_NOTIFICATION.class);
public static final String RESPONSETYPE = "";
protected ReaderEventNotificationData readerEventNotificationData;
/**
* empty constructor to create new message
* with LLRP version set to 1.0 (0x1).
*/
public READER_EVENT_NOTIFICATION() {
setVersion(new BitList(0, 0, 1));
}
/**
* Constructor to create message from binary encoded message
* calls decodeBinary to decode message.
* @param list to be decoded
*/
public READER_EVENT_NOTIFICATION(final LLRPBitList list)
throws InvalidLLRPMessageException {
decodeBinary(list.toByteArray());
}
/**
* Constructor to create message from binary encoded message
* calls decodeBinary to decode message.
* @param byteArray representing message
*/
public READER_EVENT_NOTIFICATION(final byte[] byteArray)
throws InvalidLLRPMessageException {
decodeBinary(byteArray);
}
/**
* Constructor to create message from xml encoded message
* calls decodeXML to decode message.
* @param document to be decoded
*/
public READER_EVENT_NOTIFICATION(final Document document)
throws InvalidLLRPMessageException {
decodeXML(document);
}
/**
* {@inheritDoc}
*/
protected LLRPBitList encodeBinarySpecific()
throws InvalidLLRPMessageException {
LLRPBitList resultBits = new LLRPBitList();
if (readerEventNotificationData == null) {
// single parameter, may not be null
LOGGER.warn(" readerEventNotificationData not set");
throw new InvalidLLRPMessageException(
" readerEventNotificationData not set");
} else {
resultBits.append(readerEventNotificationData.encodeBinary());
}
return resultBits;
}
/**
* {@inheritDoc}
*/
public Document encodeXML() throws InvalidLLRPMessageException {
try {
Namespace ns = Namespace.getNamespace("llrp",
LLRPConstants.LLRPNAMESPACE);
Element root = new Element("READER_EVENT_NOTIFICATION", ns);
// Element root = new Element("READER_EVENT_NOTIFICATION");
root.addNamespaceDeclaration(Namespace.getNamespace("llrp",
LLRPConstants.LLRPNAMESPACE));
if (version == null) {
throw new InvalidLLRPMessageException("Version not set");
} else {
root.setAttribute("Version", version.toInteger().toString());
}
if (messageID == null) {
throw new InvalidLLRPMessageException("MessageID not set");
} else {
root.setAttribute("MessageID", messageID.toString(10));
}
//parameters
if (readerEventNotificationData == null) {
LOGGER.info("readerEventNotificationData not set");
throw new MissingParameterException(
"readerEventNotificationData not set");
} else {
root.addContent(readerEventNotificationData.encodeXML(
readerEventNotificationData.getClass().getSimpleName(),
ns));
}
Document doc = new Document(root);
if (isValidXMLMessage(doc, LLRPConstants.LLRPMESSAGESCHEMAPATH)) {
return doc;
} else {
return null;
}
} catch (IllegalArgumentException e) {
throw new InvalidLLRPMessageException(e.getMessage());
} catch (MissingParameterException e) {
throw new InvalidLLRPMessageException(e.getMessage());
}
}
/**
* {@inheritDoc}
*/
protected void decodeBinarySpecific(LLRPBitList binary)
throws InvalidLLRPMessageException {
int position = 0;
int tempByteLength;
int tempLength = 0;
int count;
SignedShort type;
int fieldCount;
Custom custom;
// look ahead to see type
// may be optional or exactly once
type = null;
tempByteLength = 0;
tempLength = 0;
try {
// if first bit is one it is a TV Parameter
if (binary.get(position)) {
// do not take the first bit as it is always 1
type = new SignedShort(binary.subList(position + 1, 7));
} else {
type = new SignedShort(binary.subList(position +
RESERVEDLENGTH, TYPENUMBERLENGTH));
tempByteLength = new UnsignedShort(binary.subList(position +
RESERVEDLENGTH + TYPENUMBERLENGTH,
UnsignedShort.length())).toShort();
tempLength = 8 * tempByteLength;
}
} catch (IllegalArgumentException le) {
// if an IllegalArgumentException is thrown, list was not long enough so the parameter is missing
LOGGER.warn(
"READER_EVENT_NOTIFICATION misses non optional parameter of type ReaderEventNotificationData");
throw new InvalidLLRPMessageException(
"READER_EVENT_NOTIFICATION misses non optional parameter of type ReaderEventNotificationData");
}
if (binary.get(position)) {
// length can statically be determined for TV Parameters
tempLength = readerEventNotificationData.length();
}
if ((type != null) && type.equals(ReaderEventNotificationData.TYPENUM)) {
readerEventNotificationData = new ReaderEventNotificationData(binary.subList(
position, tempLength));
position += tempLength;
LOGGER.debug(
" readerEventNotificationData is instantiated with ReaderEventNotificationData with length" +
tempLength);
} else {
LOGGER.warn(
"READER_EVENT_NOTIFICATION misses non optional parameter of type ReaderEventNotificationData");
throw new InvalidLLRPMessageException(
"READER_EVENT_NOTIFICATION misses non optional parameter of type ReaderEventNotificationData");
}
}
/**
* {@inheritDoc}
*/
public void decodeXML(final Document document)
throws InvalidLLRPMessageException {
Element temp = null;
Custom custom;
// child element are always in default LLRP namespace
Namespace ns = Namespace.getNamespace(LLRPConstants.LLRPNAMESPACE);
try {
isValidXMLMessage(document, LLRPConstants.LLRPMESSAGESCHEMAPATH);
Element root = (Element) document.getRootElement().clone();
List<Element> tempList = null;
// the version field is always 3 bit long
// if the version attribute is not set in the LTK-XML message,
// it is set to version 001
String versionAttribute = root.getAttributeValue("Version");
if (versionAttribute != null) {
version = new BitList(3);
version.setValue(new Integer(versionAttribute));
} else {
version = new BitList(0, 0, 1);
}
messageID = new UnsignedInteger(root.getAttributeValue("MessageID"));
//parameter - not choices - no special actions needed
temp = root.getChild("ReaderEventNotificationData", ns);
if (temp != null) {
readerEventNotificationData = new ReaderEventNotificationData(temp);
LOGGER.info(
"setting parameter readerEventNotificationData for parameter READER_EVENT_NOTIFICATION");
} else {
LOGGER.warn(
"READER_EVENT_NOTIFICATION misses non optional parameter of type readerEventNotificationData");
throw new MissingParameterException(
"READER_EVENT_NOTIFICATION misses non optional parameter of type readerEventNotificationData");
}
root.removeChild("ReaderEventNotificationData", ns);
if (root.getChildren().size() > 0) {
String message = "READER_EVENT_NOTIFICATION has unknown element " +
((Element) root.getChildren().get(0)).getName();
throw new InvalidLLRPMessageException(message);
}
} catch (IllegalArgumentException e) {
throw new InvalidLLRPMessageException(e.getMessage());
} catch (MissingParameterException e) {
throw new InvalidLLRPMessageException(e.getMessage());
}
}
//setters
/**
* set readerEventNotificationData of type ReaderEventNotificationData.
* @param readerEventNotificationData to be set
*/
public void setReaderEventNotificationData(
final ReaderEventNotificationData readerEventNotificationData) {
this.readerEventNotificationData = readerEventNotificationData;
}
// end setter
//getters
/**
* get readerEventNotificationData of type ReaderEventNotificationData .
* @return ReaderEventNotificationData
*/
public ReaderEventNotificationData getReaderEventNotificationData() {
return readerEventNotificationData;
}
// end getters
//add methods
// end add
@Override
public String getResponseType() {
return RESPONSETYPE;
}
@Override
public String getName() {
return "READER_EVENT_NOTIFICATION";
}
/**
* return uniuque type number.
* @return SignedShort holding unique type number
*/
public SignedShort getTypeNum() {
return TYPENUM;
}
}