org.eclipse.linuxtools.pcap.core/src/org/eclipse/linuxtools/internal/pcap/core/protocol/pcap/PcapEndpoint.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.internal.pcap.core.protocol.pcap;
  14
  15 import org.eclipse.jdt.annotation.Nullable;
  16 import org.eclipse.linuxtools.internal.pcap.core.endpoint.ProtocolEndpoint;
  17
  18 /**
  19  * Class that extends the {@link ProtocolEndpoint} class. It represents the endpoint at
  20  * a Pcap level.
  21  *
  22  * @author Vincent Perot
  23  */
  24 public class PcapEndpoint extends ProtocolEndpoint {
  25
  26     /**
  27      * Constructor of the {@link PcapEndpoint} class. It takes a packet to get
  28      * its endpoint. Since every packet has two endpoints (source and
  29      * destination), the isSourceEndpoint parameter is used to specify which
  30      * endpoint to take.
  31      *
  32      * @param packet
  33      *            The packet that contains the endpoints.
  34      * @param isSourceEndpoint
  35      *            Whether to take the source or the destination endpoint of the
  36      *            packet.
  37      */
  38     public PcapEndpoint(PcapPacket packet, boolean isSourceEndpoint) {
  39         super(packet, isSourceEndpoint);
  40     }
  41
  42     @Override
  43     public int hashCode() {
  44         return 0;
  45     }
  46
  47     @Override
  48     public String toString() {
  49         return EMPTY_STRING;
  50     }
  51
  52     @Override
  53     public boolean equals(@Nullable Object obj) {
  54         if (this == obj) {
  55             return true;
  56         }
  57         if (!(obj instanceof PcapEndpoint)) {
  58             return false;
  59         }
  60
  61         PcapEndpoint other = (PcapEndpoint) obj;
  62
  63         // Check above layers.
  64         ProtocolEndpoint endpoint = getParentEndpoint();
  65         if (endpoint != null) {
  66             return endpoint.equals(other.getParentEndpoint());
  67         }
  68         return true;
  69     }
  70
  71 }