pcap/org.eclipse.tracecompass.tmf.pcap.core/src/org/eclipse/tracecompass/internal/tmf/pcap/core/event/aspect/PcapReferenceAspect.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014, 2015 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  *   Alexandre Montplaisir - Update to new ITmfEventAspect API
  12  *   Patrick Tasse - Make pcap aspects singletons
  13  *******************************************************************************/
  14
  15 package org.eclipse.tracecompass.internal.tmf.pcap.core.event.aspect;
  16
  17 import org.eclipse.jdt.annotation.Nullable;
  18 import org.eclipse.tracecompass.internal.tmf.pcap.core.event.PcapEvent;
  19 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  20 import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
  21
  22 /**
  23  * The "packet reference" aspect for pcap events
  24  *
  25  * @author Alexandre Montplaisir
  26  */
  27 public class PcapReferenceAspect implements ITmfEventAspect<String> {
  28
  29     /** Singleton instance */
  30     public static final PcapReferenceAspect INSTANCE = new PcapReferenceAspect();
  31
  32     private PcapReferenceAspect() {
  33     }
  34
  35     @Override
  36     public String getName() {
  37         return Messages.getMessage(Messages.PcapAspectName_Reference);
  38     }
  39
  40     @Override
  41     public String getHelpText() {
  42         return EMPTY_STRING;
  43     }
  44
  45     @Override
  46     public @Nullable String resolve(ITmfEvent event) {
  47         if (!(event instanceof PcapEvent)) {
  48             return null;
  49         }
  50         return ((PcapEvent) event).getReference();
  51     }
  52 }