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.parser.ITmfEventParser;
  24 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  25 import org.eclipse.linuxtools.tmf.core.trace.TmfContext;
  26 import org.eclipse.linuxtools.tmf.core.trace.TmfLocation;
  27 import org.eclipse.linuxtools.tmf.stubs.trace.TmfTraceStub;
  28
  29 public class TmfUml2SDTestTrace implements ITmfEventParser<TmfEvent> {
  30
  31     @Override
  32     @SuppressWarnings({ "unchecked", "nls" })
  33     public TmfEvent parseNextEvent(ITmfTrace<TmfEvent> eventStream, TmfContext context) throws IOException {
  34         if (! (eventStream instanceof TmfTraceStub)) {
  35             return null;
  36         }
  37
  38         // Highly inefficient...
  39         RandomAccessFile stream = ((TmfTraceStub) eventStream).getStream();
  40
  41         String name = eventStream.getName();
  42         name = name.substring(name.lastIndexOf('/') + 1);
  43
  44         long location = 0;
  45         if (context != null)
  46             location = ((TmfLocation<Long>) (context.getLocation())).getLocation();
  47         stream.seek(location);
  48
  49         try {
  50             long ts        = stream.readLong();
  51             String source  = stream.readUTF();
  52             String type    = stream.readUTF();
  53             String reference = stream.readUTF();
  54             String sender = stream.readUTF();
  55             String receiver = stream.readUTF();
  56             String signal = stream.readUTF();
  57
  58             String[] labels = {"sender", "receiver", "signal"};
  59
  60             TmfEventType tmfEventType = new TmfEventType("UnitTest", type, TmfEventField.makeRoot(labels));
  61             TmfEvent tmfEvent = new TmfEvent(new TmfTimestamp(ts, -9), source, tmfEventType, reference);
  62
  63             String content = "[";
  64             content += sender;
  65             content += "," + receiver;
  66             content += "," + signal;
  67             content += "]";
  68
  69             // Pre-parse the content
  70             TmfEventField[] fields = new TmfEventField[3];
  71             fields[0] = new TmfEventField("sender", sender);
  72             fields[1] = new TmfEventField("receiver", receiver);
  73             fields[2] = new TmfEventField("signal", signal);
  74
  75             ITmfEventField tmfContent = new TmfEventField(ITmfEventField.ROOT_ID, content, fields);
  76             tmfEvent.setContent(tmfContent);
  77
  78             return tmfEvent;
  79         } catch (EOFException e) {
  80         }
  81         return null;
  82     }
  83
  84 }