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.TmfEvent;
  19 import org.eclipse.linuxtools.tmf.core.event.TmfEventContent;
  20 import org.eclipse.linuxtools.tmf.core.event.TmfEventField;
  21 import org.eclipse.linuxtools.tmf.core.event.TmfEventReference;
  22 import org.eclipse.linuxtools.tmf.core.event.TmfEventType;
  23 import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
  24 import org.eclipse.linuxtools.tmf.core.parser.ITmfEventParser;
  25 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  26 import org.eclipse.linuxtools.tmf.core.trace.TmfContext;
  27 import org.eclipse.linuxtools.tmf.core.trace.TmfLocation;
  28 import org.eclipse.linuxtools.tmf.stubs.trace.TmfTraceStub;
  29
  30 public class TmfUml2SDTestTrace implements ITmfEventParser {
  31
  32     @Override
  33     @SuppressWarnings({ "unchecked", "nls" })
  34     public TmfEvent parseNextEvent(ITmfTrace eventStream, TmfContext context) throws IOException {
  35         if (! (eventStream instanceof TmfTraceStub)) {
  36             return null;
  37         }
  38
  39         // Highly inefficient...
  40         RandomAccessFile stream = ((TmfTraceStub) eventStream).getStream();
  41
  42         String name = eventStream.getName();
  43         name = name.substring(name.lastIndexOf('/') + 1);
  44
  45         long location = 0;
  46         if (context != null)
  47             location = ((TmfLocation<Long>) (context.getLocation())).getLocation();
  48         stream.seek(location);
  49
  50         try {
  51             long ts        = stream.readLong();
  52             String source  = stream.readUTF();
  53             String type    = stream.readUTF();
  54             String reference = stream.readUTF();
  55             String sender = stream.readUTF();
  56             String receiver = stream.readUTF();
  57             String signal = stream.readUTF();
  58
  59             TmfEventReference tmfReference = new TmfEventReference(reference);
  60             String tmfSource = source;
  61             String[] labels = {"sender", "receiver", "signal"};
  62
  63             TmfEventType tmfEventType = new TmfEventType(type, labels);
  64             TmfEvent tmfEvent = new TmfEvent(new TmfTimestamp(ts, (byte)-9), tmfSource, tmfEventType, tmfReference);
  65
  66             String content = "[";
  67             content += sender;
  68             content += "," + receiver;
  69             content += "," + signal;
  70             content += "]";
  71
  72             TmfEventContent tmfContent = new TmfEventContent(tmfEvent, content) {
  73                 @Override
  74                 public void parseContent() {
  75                     String raw = (String) fRawContent;
  76                     int i = raw.indexOf(",");
  77                     String sender = raw.substring(1, i);
  78                     int k = raw.indexOf(",", i+1);
  79                     String receiver = raw.substring(i+1, k);
  80                     i = raw.indexOf(",", k+1);
  81                     String signal = raw.substring(k+1, raw.length() - 1);
  82                     fFields = new Object[3];
  83                     fFields[0] = new TmfEventField(this, "sender", sender);
  84                     fFields[1] = new TmfEventField(this, "receiver", receiver);;
  85                     fFields[2] = new TmfEventField(this, "signal", signal);;
  86                 }
  87             };
  88             tmfEvent.setContent(tmfContent);
  89
  90             return tmfEvent;
  91         } catch (EOFException e) {
  92         }
  93         return null;
  94     }
  95
  96 }