org.eclipse.linuxtools.lttng2.ust.core/src/org/eclipse/linuxtools/lttng2/ust/core/trace/LttngUstTrace.java

   1 /**********************************************************************
   2  * Copyright (c) 2013 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  *   Matthew Khouzam - Initial API and implementation
  11  *   Alexandre Montplaisir - Add UST callstack state system
  12  *   Marc-Andre Laperle - Handle BufferOverflowException (Bug 420203)
  13  **********************************************************************/
  14
  15 package org.eclipse.linuxtools.lttng2.ust.core.trace;
  16
  17 import java.nio.BufferOverflowException;
  18
  19 import org.eclipse.core.resources.IProject;
  20 import org.eclipse.core.runtime.IStatus;
  21 import org.eclipse.core.runtime.Status;
  22 import org.eclipse.linuxtools.ctf.core.trace.CTFReaderException;
  23 import org.eclipse.linuxtools.ctf.core.trace.CTFTrace;
  24 import org.eclipse.linuxtools.internal.lttng2.ust.core.Activator;
  25 import org.eclipse.linuxtools.tmf.core.ctfadaptor.CtfTmfTrace;
  26
  27 /**
  28  * Class to contain LTTng-UST traces
  29  *
  30  * @author Matthew Khouzam
  31  * @since 2.1
  32  */
  33 public class LttngUstTrace extends CtfTmfTrace {
  34
  35     /**
  36      * Default constructor
  37      */
  38     public LttngUstTrace() {
  39         super();
  40     }
  41
  42     @Override
  43     public IStatus validate(final IProject project, final String path)  {
  44         CTFTrace temp;
  45         IStatus status;
  46         /*  Make sure the trace is openable as a CTF trace. */
  47         try {
  48             temp = new CTFTrace(path);
  49         } catch (CTFReaderException e) {
  50             status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.toString(), e);
  51             return status;
  52         } catch (NullPointerException e) {
  53             status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.toString(), e);
  54             return status;
  55         } catch (final BufferOverflowException e) {
  56             status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.LttngUstTrace_TraceReadError + ": " + Messages.LttngUstTrace_MalformedTrace); //$NON-NLS-1$
  57             return status;
  58         }
  59
  60         /* Make sure the domain is "ust" in the trace's env vars */
  61         String dom = temp.getEnvironment().get("domain"); //$NON-NLS-1$
  62         temp.dispose();
  63         if (dom != null && dom.equals("\"ust\"")) { //$NON-NLS-1$
  64             return Status.OK_STATUS;
  65         }
  66         status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.LttngUstTrace_DomainError);
  67         return status;
  68     }
  69 }