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.ITmfLocation;
  26 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  27 import org.eclipse.linuxtools.tmf.tests.stubs.trace.TmfTraceStub;
  28
  29 /**
  30  * Parser implementation for Uml2SD Test Traces.
  31  *
  32  */
  33 public class TmfUml2SDTestTrace implements ITmfEventParser {
  34
  35     ITmfTrace fEventStream;
  36
  37     /**
  38      * Default Constructor
  39      */
  40     public TmfUml2SDTestTrace() {
  41     }
  42
  43     /**
  44      * Constructor
  45      * @param eventStream ITmfTrace implementation
  46      */
  47     public TmfUml2SDTestTrace(ITmfTrace eventStream) {
  48         fEventStream = eventStream;
  49     }
  50
  51     /**
  52      * @param eventStream ITmfTrace implementation to set
  53      */
  54     public void setTrace(ITmfTrace eventStream) {
  55         fEventStream = eventStream;
  56     }
  57
  58     @Override
  59     @SuppressWarnings({ "nls" })
  60     public TmfEvent parseEvent(ITmfContext context) {
  61         if (! (fEventStream instanceof TmfTraceStub)) {
  62             return null;
  63         }
  64
  65         // Highly inefficient...
  66         RandomAccessFile stream = ((TmfTraceStub) fEventStream).getStream();
  67
  68 //        String name = eventStream.getName();
  69 //        name = name.substring(name.lastIndexOf('/') + 1);
  70
  71         long location = 0;
  72         if (context != null) {
  73             location = ((ITmfLocation<Long>) (context.getLocation())).getLocationData();
  74         }
  75
  76         try {
  77             stream.seek(location);
  78
  79             long ts        = stream.readLong();
  80             String source  = stream.readUTF();
  81             String type    = stream.readUTF();
  82             String reference = stream.readUTF();
  83             String sender = stream.readUTF();
  84             String receiver = stream.readUTF();
  85             String signal = stream.readUTF();
  86
  87             String[] labels = {"sender", "receiver", "signal"};
  88
  89             TmfEventType tmfEventType = new TmfEventType("UnitTest", type, TmfEventField.makeRoot(labels));
  90
  91             String content = "[";
  92             content += sender;
  93             content += "," + receiver;
  94             content += "," + signal;
  95             content += "]";
  96
  97             // Pre-parse the content
  98             TmfEventField[] fields = new TmfEventField[3];
  99             fields[0] = new TmfEventField("sender", sender);
 100             fields[1] = new TmfEventField("receiver", receiver);
 101             fields[2] = new TmfEventField("signal", signal);
 102
 103             ITmfEventField tmfContent = new TmfEventField(ITmfEventField.ROOT_FIELD_ID, content, fields);
 104             TmfEvent tmfEvent = new TmfEvent(fEventStream, new TmfTimestamp(ts, -9), source, tmfEventType, tmfContent, reference);
 105
 106             return tmfEvent;
 107         } catch (final EOFException e) {
 108         } catch (final IOException e) {
 109         }
 110         return null;
 111     }
 112
 113 }