org.eclipse.tracecompass.tmf.pcap.core/src/org/eclipse/tracecompass/internal/tmf/pcap/core/util/ProtocolConversion.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.tmf.pcap.core.util;
  14
  15 import org.eclipse.linuxtools.internal.pcap.core.protocol.PcapProtocol;
  16 import org.eclipse.tracecompass.internal.tmf.pcap.core.protocol.TmfPcapProtocol;
  17
  18 /**
  19  * Helper class that allows the conversion between Protocol and TmfProtocol.
  20  * This is only used by this project and thus is internal (not API).
  21  *
  22  * @author Vincent Perot
  23  */
  24 public final class ProtocolConversion {
  25
  26     private ProtocolConversion() {}
  27
  28     /**
  29      * Wrap a {@link PcapProtocol} into a {@link TmfPcapProtocol}.
  30      *
  31      * @param protocol
  32      *            The {@link PcapProtocol} to match
  33      * @return The TmfProtocol
  34      */
  35     public static TmfPcapProtocol wrap(PcapProtocol protocol) {
  36         switch (protocol) {
  37         case ETHERNET_II:
  38             return TmfPcapProtocol.ETHERNET_II;
  39         case IPV4:
  40             return TmfPcapProtocol.IPV4;
  41         case PCAP:
  42             return TmfPcapProtocol.PCAP;
  43         case TCP:
  44             return TmfPcapProtocol.TCP;
  45         case UDP:
  46             return TmfPcapProtocol.UDP;
  47         case UNKNOWN:
  48             return TmfPcapProtocol.UNKNOWN;
  49         default:
  50             throw new IllegalArgumentException();
  51         }
  52     }
  53
  54     /**
  55      * Unwrap a {@link TmfPcapProtocol} from a {@link PcapProtocol}.
  56      *
  57      * @param protocol
  58      *            The TmfProtocol
  59      * @return The Protocol
  60      */
  61     public static PcapProtocol unwrap(TmfPcapProtocol protocol) {
  62         switch (protocol) {
  63         case ETHERNET_II:
  64             return PcapProtocol.ETHERNET_II;
  65         case IPV4:
  66             return PcapProtocol.IPV4;
  67         case PCAP:
  68             return PcapProtocol.PCAP;
  69         case TCP:
  70             return PcapProtocol.TCP;
  71         case UDP:
  72             return PcapProtocol.UDP;
  73         case UNKNOWN:
  74             return PcapProtocol.UNKNOWN;
  75         default:
  76             throw new IllegalArgumentException();
  77         }
  78     }
  79
  80 }