/* * * 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 14:26:48 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.parameters; import org.apache.log4j.Logger; import org.jdom.Content; 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.EventNotificationState; import org.llrp.ltk.types.LLRPBitList; import org.llrp.ltk.types.LLRPMessage; import org.llrp.ltk.types.SignedShort; import org.llrp.ltk.types.TLVParameter; import org.llrp.ltk.types.TVParameter; import org.llrp.ltk.types.UnsignedShort; import java.util.LinkedList; import java.util.List; /** * This parameter is used by the Client to enable or disable notification of one or more Reader events. Notification of buffer overflow events and connection events (attempt/close) are mandatory, and not configurable. See also {@link <a href="http://www.epcglobalinc.org/standards/llrp/llrp_1_0_1-standard-20070813.pdf#page=86&view=fit">LLRP Specification Section 13.2.5</a>} and {@link <a href="http://www.epcglobalinc.org/standards/llrp/llrp_1_0_1-standard-20070813.pdf#page=147&view=fit">LLRP Specification Section 16.2.7.5</a>} */ /** * This parameter is used by the Client to enable or disable notification of one or more Reader events. Notification of buffer overflow events and connection events (attempt/close) are mandatory, and not configurable. See also {@link <a href="http://www.epcglobalinc.org/standards/llrp/llrp_1_0_1-standard-20070813.pdf#page=86&view=fit">LLRP Specification Section 13.2.5</a>} and {@link <a href="http://www.epcglobalinc.org/standards/llrp/llrp_1_0_1-standard-20070813.pdf#page=147&view=fit">LLRP Specification Section 16.2.7.5</a>} . */ public class ReaderEventNotificationSpec extends TLVParameter { public static final SignedShort TYPENUM = new SignedShort(244); private static final Logger LOGGER = Logger.getLogger(ReaderEventNotificationSpec.class); protected List<EventNotificationState> eventNotificationStateList = new LinkedList<EventNotificationState>(); /** * empty constructor to create new parameter. */ public ReaderEventNotificationSpec() { } /** * Constructor to create parameter from binary encoded parameter * calls decodeBinary to decode parameter. * @param list to be decoded */ public ReaderEventNotificationSpec(LLRPBitList list) { decodeBinary(list); } /** * Constructor to create parameter from xml encoded parameter * calls decodeXML to decode parameter. * @param element to be decoded */ public ReaderEventNotificationSpec(Element element) throws InvalidLLRPMessageException { decodeXML(element); } /** * {@inheritDoc} */ public LLRPBitList encodeBinarySpecific() { LLRPBitList resultBits = new LLRPBitList(); if (eventNotificationStateList == null) { LOGGER.warn(" eventNotificationStateList not set"); //parameter has to be set - throw exception throw new MissingParameterException( " eventNotificationStateList not set"); } else { for (EventNotificationState field : eventNotificationStateList) { resultBits.append(field.encodeBinary()); } } return resultBits; } /** * {@inheritDoc} */ public Content encodeXML(String name, Namespace ns) { // element in namespace defined by parent element Element element = new Element(name, ns); // child element are always in default LLRP namespace ns = Namespace.getNamespace("llrp", LLRPConstants.LLRPNAMESPACE); //parameters if (eventNotificationStateList == null) { LOGGER.warn(" eventNotificationStateList not set"); throw new MissingParameterException( " eventNotificationStateList not set"); } for (EventNotificationState field : eventNotificationStateList) { element.addContent(field.encodeXML(field.getClass().getName() .replaceAll(field.getClass() .getPackage() .getName() + ".", ""), ns)); } return element; } /** * {@inheritDoc} */ protected void decodeBinarySpecific(LLRPBitList binary) { int position = 0; int tempByteLength; int tempLength = 0; int count; SignedShort type; int fieldCount; Custom custom; // list of parameters eventNotificationStateList = new LinkedList<EventNotificationState>(); LOGGER.debug("decoding parameter eventNotificationStateList "); while (position < binary.length()) { // store if one parameter matched boolean atLeastOnce = false; // look ahead to see type 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; } //add parameter to list if type number matches if ((type != null) && type.equals(EventNotificationState.TYPENUM)) { if (binary.get(position)) { // length can statically be determined for TV Parameters tempLength = EventNotificationState.length(); } eventNotificationStateList.add(new EventNotificationState( binary.subList(position, tempLength))); LOGGER.debug( "adding EventNotificationState to eventNotificationStateList "); atLeastOnce = true; position += tempLength; } if (!atLeastOnce) { //no parameter matched therefore we jump out of the loop break; } } //if list is still empty no parameter matched if (eventNotificationStateList.isEmpty()) { LOGGER.warn( "encoded message does not contain parameter for non optional eventNotificationStateList"); throw new MissingParameterException( "ReaderEventNotificationSpec misses non optional parameter of type EventNotificationState"); } } /** * {@inheritDoc} */ public void decodeXML(Element element) throws InvalidLLRPMessageException { List<Element> tempList = null; boolean atLeastOnce = false; Custom custom; Element temp = null; // child element are always in default LLRP namespace Namespace ns = Namespace.getNamespace(LLRPConstants.LLRPNAMESPACE); //parameter - not choices - no special actions needed //we expect a list of parameters eventNotificationStateList = new LinkedList<EventNotificationState>(); tempList = element.getChildren("EventNotificationState", ns); if ((tempList == null) || tempList.isEmpty()) { LOGGER.warn( "ReaderEventNotificationSpec misses non optional parameter of type eventNotificationStateList"); throw new MissingParameterException( "ReaderEventNotificationSpec misses non optional parameter of type eventNotificationStateList"); } else { for (Element e : tempList) { eventNotificationStateList.add(new EventNotificationState(e)); LOGGER.debug( "adding EventNotificationState to eventNotificationStateList "); } } element.removeChildren("EventNotificationState", ns); if (element.getChildren().size() > 0) { String message = "ReaderEventNotificationSpec has unknown element " + ((Element) element.getChildren().get(0)).getName(); throw new InvalidLLRPMessageException(message); } } //setters /** * set eventNotificationStateList of type List <EventNotificationState>. * @param eventNotificationStateList to be set */ public void setEventNotificationStateList( final List<EventNotificationState> eventNotificationStateList) { this.eventNotificationStateList = eventNotificationStateList; } // end setter //getters /** * get eventNotificationStateList of type List <EventNotificationState> . * @return List <EventNotificationState> */ public List<EventNotificationState> getEventNotificationStateList() { return eventNotificationStateList; } // end getters //add methods /** * add element eventNotificationState of type EventNotificationState . * @param eventNotificationState of type EventNotificationState */ public void addToEventNotificationStateList( EventNotificationState eventNotificationState) { if (this.eventNotificationStateList == null) { this.eventNotificationStateList = new LinkedList<EventNotificationState>(); } this.eventNotificationStateList.add(eventNotificationState); } // end add /** * For TLV Parameter length can not be determined at compile time. This method therefore always returns 0. * @return Integer always zero */ public static Integer length() { return 0; } /** * {@inheritDoc} */ public SignedShort getTypeNum() { return TYPENUM; } /** * {@inheritDoc} */ public String getName() { return "ReaderEventNotificationSpec"; } /** * return string representation. All field values but no parameters are included * @return String */ public String toString() { String result = "ReaderEventNotificationSpec: "; result = result.replaceFirst(", ", ""); return result; } }