org.eclipse.linuxtools.tmf.pcap.core/src/org/eclipse/linuxtools/tmf/pcap/core/event/PcapRootEventField.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Vincent Perot - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.pcap.core.event;
  14
  15 import org.eclipse.jdt.annotation.Nullable;
  16 import org.eclipse.linuxtools.pcap.core.packet.Packet;
  17 import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
  18 import org.eclipse.linuxtools.tmf.core.event.TmfEventField;
  19
  20 /**
  21  * Class that represents the root node of Pcap Event Field.
  22  *
  23  * @author Vincent Perot
  24  */
  25 public class PcapRootEventField extends TmfEventField {
  26
  27     private final TmfEventField fPacketSourceField;
  28     private final TmfEventField fPacketDestinationField;
  29     private final TmfEventField fProtocolField;
  30     private final String fSummaryString;
  31
  32     /**
  33      * Full constructor
  34      *
  35      * @param value
  36      *            The event field value.
  37      * @param fields
  38      *            The list of subfields.
  39      * @param packet
  40      *            The packet from which to take the fields from.
  41      * @throws IllegalArgumentException
  42      *             If 'name' is null, or if 'fields' has duplicate field names.
  43      */
  44     public PcapRootEventField(Object value, @Nullable ITmfEventField[] fields, Packet packet) {
  45         super(ITmfEventField.ROOT_FIELD_ID, value, fields);
  46         fPacketSourceField = new TmfEventField(PcapEvent.EVENT_FIELD_PACKET_SOURCE,
  47                 packet.getMostEcapsulatedPacket().getSourceEndpoint().toString(), null);
  48         fPacketDestinationField = new TmfEventField(PcapEvent.EVENT_FIELD_PACKET_DESTINATION,
  49                 packet.getMostEcapsulatedPacket().getDestinationEndpoint().toString(), null);
  50         fProtocolField = new TmfEventField(PcapEvent.EVENT_FIELD_PACKET_PROTOCOL,
  51                 packet.getMostEcapsulatedPacket().getProtocol().getShortName().toUpperCase(), null);
  52         fSummaryString = packet.getGlobalSummaryString();
  53     }
  54
  55     /**
  56      * Copy constructor
  57      *
  58      * @param field
  59      *            the other event field
  60      */
  61     public PcapRootEventField(final PcapRootEventField field) {
  62         super(field);
  63         fPacketSourceField = field.fPacketSourceField;
  64         fPacketDestinationField = field.fPacketDestinationField;
  65         fProtocolField = field.fProtocolField;
  66         fSummaryString = field.fSummaryString;
  67     }
  68
  69     @Override
  70     public String toString() {
  71         return fSummaryString;
  72     }
  73
  74     @Override
  75     public @Nullable ITmfEventField getField(@Nullable String name) {
  76         if (name == null) {
  77             return null;
  78         }
  79         switch (name) {
  80         case PcapEvent.EVENT_FIELD_PACKET_SOURCE:
  81             return fPacketSourceField;
  82         case PcapEvent.EVENT_FIELD_PACKET_DESTINATION:
  83             return fPacketDestinationField;
  84         case PcapEvent.EVENT_FIELD_PACKET_PROTOCOL:
  85             return fProtocolField;
  86         default:
  87             return super.getField(name);
  88         }
  89     }
  90 }