org.eclipse.linuxtools.tmf.ui.tests/widgetStubs/org/eclipse/linuxtools/tmf/ui/tests/uml2sd/trace/TmfUml2SDTestTrace.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 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  *   Bernd Hufmann - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.tmf.ui.tests.uml2sd.trace;
  13
  14 import java.io.EOFException;
  15 import java.io.IOException;
  16 import java.io.RandomAccessFile;
  17
  18 import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
  19 import org.eclipse.linuxtools.tmf.core.event.TmfEvent;
  20 import org.eclipse.linuxtools.tmf.core.event.TmfEventField;
  21 import org.eclipse.linuxtools.tmf.core.event.TmfEventType;
  22 import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
  23 import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;
  24 import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser;
  25 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  26 import org.eclipse.linuxtools.tmf.core.trace.TmfLocation;
  27 import org.eclipse.linuxtools.tmf.tests.stubs.trace.TmfTraceStub;
  28
  29 public class TmfUml2SDTestTrace implements ITmfEventParser<TmfEvent> {
  30
  31     ITmfTrace<TmfEvent> fEventStream;
  32
  33     public TmfUml2SDTestTrace() {
  34     }
  35
  36     public TmfUml2SDTestTrace(ITmfTrace<TmfEvent> eventStream) {
  37         fEventStream = eventStream;
  38     }
  39
  40     public void setTrace(ITmfTrace<TmfEvent> eventStream) {
  41         fEventStream = eventStream;
  42     }
  43
  44     @Override
  45     @SuppressWarnings({ "unchecked", "nls" })
  46     public TmfEvent parseEvent(ITmfContext context) {
  47         if (! (fEventStream instanceof TmfTraceStub)) {
  48             return null;
  49         }
  50
  51         // Highly inefficient...
  52         RandomAccessFile stream = ((TmfTraceStub) fEventStream).getStream();
  53
  54 //        String name = eventStream.getName();
  55 //        name = name.substring(name.lastIndexOf('/') + 1);
  56
  57         long location = 0;
  58         if (context != null)
  59             location = ((TmfLocation<Long>) (context.getLocation())).getLocation();
  60
  61         try {
  62             stream.seek(location);
  63
  64             long ts        = stream.readLong();
  65             String source  = stream.readUTF();
  66             String type    = stream.readUTF();
  67             String reference = stream.readUTF();
  68             String sender = stream.readUTF();
  69             String receiver = stream.readUTF();
  70             String signal = stream.readUTF();
  71
  72             String[] labels = {"sender", "receiver", "signal"};
  73
  74             TmfEventType tmfEventType = new TmfEventType("UnitTest", type, TmfEventField.makeRoot(labels));
  75
  76             String content = "[";
  77             content += sender;
  78             content += "," + receiver;
  79             content += "," + signal;
  80             content += "]";
  81
  82             // Pre-parse the content
  83             TmfEventField[] fields = new TmfEventField[3];
  84             fields[0] = new TmfEventField("sender", sender);
  85             fields[1] = new TmfEventField("receiver", receiver);
  86             fields[2] = new TmfEventField("signal", signal);
  87
  88             ITmfEventField tmfContent = new TmfEventField(ITmfEventField.ROOT_FIELD_ID, content, fields);
  89             TmfEvent tmfEvent = new TmfEvent(fEventStream, new TmfTimestamp(ts, -9), source, tmfEventType, tmfContent, reference);
  90
  91             return tmfEvent;
  92         } catch (final EOFException e) {
  93         } catch (final IOException e) {
  94         }
  95         return null;
  96     }
  97
  98 }