org.eclipse.linuxtools.tmf.tests/stubs/org/eclipse/linuxtools/tmf/component/TmfDataProviderStub.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.component;
  14
  15 import java.io.File;
  16 import java.io.IOException;
  17 import java.net.URISyntaxException;
  18 import java.net.URL;
  19
  20 import org.eclipse.core.runtime.FileLocator;
  21 import org.eclipse.core.runtime.Path;
  22 import org.eclipse.linuxtools.tmf.event.TmfData;
  23 import org.eclipse.linuxtools.tmf.request.ITmfDataRequest;
  24 import org.eclipse.linuxtools.tmf.request.ITmfEventRequest;
  25 import org.eclipse.linuxtools.tmf.tests.TmfCoreTestPlugin;
  26 import org.eclipse.linuxtools.tmf.trace.ITmfContext;
  27 import org.eclipse.linuxtools.tmf.trace.TmfTraceStub;
  28
  29 /**
  30  * <b><u>TmfDataProviderStub</u></b>
  31  * <p>
  32  * TODO: Implement me. Please.
  33  */
  34 public class TmfDataProviderStub extends TmfDataProvider<TmfData> {
  35
  36     private static final String DIRECTORY   = "testfiles";
  37     private static final String TEST_STREAM = "M-Test-10K";
  38
  39     private TmfTraceStub fTrace;
  40
  41     public TmfDataProviderStub(String path) throws IOException {
  42         super("TmfDataProviderStub", TmfData.class);
  43         URL location = FileLocator.find(TmfCoreTestPlugin.getDefault().getBundle(), new Path(path), null);
  44                 try {
  45                         File test = new File(FileLocator.toFileURL(location).toURI());
  46                         fTrace = new TmfTraceStub(test.getPath(), true);
  47                 } catch (URISyntaxException e) {
  48                         e.printStackTrace();
  49                 }
  50     }
  51
  52     public TmfDataProviderStub() throws IOException {
  53         this(DIRECTORY + File.separator + TEST_STREAM);
  54     }
  55
  56     // ------------------------------------------------------------------------
  57     // TmfProvider
  58     // ------------------------------------------------------------------------
  59
  60         @Override
  61         public ITmfContext armRequest(ITmfDataRequest<TmfData> request) {
  62                 if (request instanceof ITmfEventRequest<?>) {
  63                         ITmfContext context = fTrace.seekEvent(((ITmfEventRequest<?>) request).getRange().getStartTime());
  64                         return context;
  65                 }
  66                 return null;
  67         }
  68
  69         @Override
  70         public TmfData getNext(ITmfContext context) {
  71                 return fTrace.getNext(context);
  72         }
  73
  74         @Override
  75         public boolean isCompleted(ITmfDataRequest<TmfData> request, TmfData data, int nbRead) {
  76                 return false;
  77         }
  78
  79 }