org.eclipse.tracecompass.pcap.core/src/org/eclipse/tracecompass/internal/pcap/core/filter/PacketFilterByProtocol.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.tracecompass.internal.pcap.core.filter;
  14
  15 import org.eclipse.tracecompass.internal.pcap.core.packet.Packet;
  16 import org.eclipse.tracecompass.internal.pcap.core.protocol.PcapProtocol;
  17
  18 /**
  19  * Class used to filter the packets by protocol. This is used, for instance, to
  20  * build the packet streams.
  21  *
  22  * @author Vincent Perot
  23  */
  24 public class PacketFilterByProtocol implements IPacketFilter {
  25
  26     private final PcapProtocol fProtocol;
  27
  28     /**
  29      * Constructor of the PacketFilterByProtocol class.
  30      *
  31      * @param protocol
  32      *            The protocol that the incoming packets must contain.
  33      */
  34     public PacketFilterByProtocol(PcapProtocol protocol) {
  35         fProtocol = protocol;
  36     }
  37
  38     @Override
  39     public boolean accepts(Packet packet) {
  40         return packet.hasProtocol(fProtocol);
  41     }
  42
  43     /**
  44      * Getter method for the protocol of this filter.
  45      *
  46      * @return The protocol of this filter.
  47      */
  48     public PcapProtocol getProtocol() {
  49         return fProtocol;
  50     }
  51
  52 }