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fc526aef | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2013, 2015 Ericsson |
fc526aef AM |
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 | * Alexandre Montplaisir - Initial API and implementation | |
0fcf3b09 | 11 | * Patrick Tasse - Support selection range |
d3de0920 | 12 | * Xavier Raynaud - Support filters tracking |
fc526aef AM |
13 | *******************************************************************************/ |
14 | ||
2bdf0193 | 15 | package org.eclipse.tracecompass.tmf.core.trace; |
fc526aef | 16 | |
5db5a3a4 AM |
17 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; |
18 | ||
e1385db9 | 19 | import java.io.File; |
3ec38c4c | 20 | import java.net.URISyntaxException; |
c14c0757 | 21 | import java.util.Collection; |
fab18d20 | 22 | import java.util.Collections; |
fc526aef | 23 | import java.util.LinkedHashMap; |
0f8687b4 | 24 | import java.util.LinkedHashSet; |
e2239aea | 25 | import java.util.List; |
fc526aef | 26 | import java.util.Map; |
fab18d20 | 27 | import java.util.Set; |
fc526aef | 28 | |
deaae6e1 | 29 | import org.eclipse.core.resources.IFile; |
b5e8ee95 GB |
30 | import org.eclipse.core.resources.IFolder; |
31 | import org.eclipse.core.resources.IProject; | |
e1385db9 AM |
32 | import org.eclipse.core.resources.IResource; |
33 | import org.eclipse.core.runtime.CoreException; | |
1ac53e54 | 34 | import org.eclipse.core.runtime.URIUtil; |
0f8687b4 | 35 | import org.eclipse.jdt.annotation.NonNull; |
c14c0757 | 36 | import org.eclipse.tracecompass.common.core.NonNullUtils; |
2bdf0193 AM |
37 | import org.eclipse.tracecompass.internal.tmf.core.Activator; |
38 | import org.eclipse.tracecompass.tmf.core.TmfCommonConstants; | |
39 | import org.eclipse.tracecompass.tmf.core.filter.ITmfFilter; | |
40 | import org.eclipse.tracecompass.tmf.core.signal.TmfEventFilterAppliedSignal; | |
41 | import org.eclipse.tracecompass.tmf.core.signal.TmfRangeSynchSignal; | |
42 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; | |
43 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalManager; | |
44 | import org.eclipse.tracecompass.tmf.core.signal.TmfTimeSynchSignal; | |
45 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceClosedSignal; | |
46 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal; | |
47 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal; | |
48 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; | |
49 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimeRange; | |
50 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp; | |
5c5fa260 | 51 | import org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment; |
fc526aef | 52 | |
c14c0757 GB |
53 | import com.google.common.collect.ImmutableSet; |
54 | ||
fc526aef AM |
55 | /** |
56 | * Central trace manager for TMF. It tracks the currently opened traces and | |
0fcf3b09 | 57 | * experiment, as well as the currently-selected time or time range and the |
d3de0920 XR |
58 | * current window time range for each one of those. It also tracks filters |
59 | * applied for each trace. | |
fc526aef AM |
60 | * |
61 | * It's a singleton class, so only one instance should exist (available via | |
62 | * {@link #getInstance()}). | |
63 | * | |
64 | * @author Alexandre Montplaisir | |
fc526aef AM |
65 | */ |
66 | public final class TmfTraceManager { | |
67 | ||
68 | // ------------------------------------------------------------------------ | |
69 | // Attributes | |
70 | // ------------------------------------------------------------------------ | |
71 | ||
72 | private final Map<ITmfTrace, TmfTraceContext> fTraces; | |
73 | ||
74 | /** The currently-selected trace. Should always be part of the trace map */ | |
75 | private ITmfTrace fCurrentTrace = null; | |
76 | ||
3ec38c4c MAL |
77 | private static final String TEMP_DIR_NAME = ".temp"; //$NON-NLS-1$ |
78 | ||
fc526aef AM |
79 | // ------------------------------------------------------------------------ |
80 | // Constructor | |
81 | // ------------------------------------------------------------------------ | |
82 | ||
83 | private TmfTraceManager() { | |
a4524c1b | 84 | fTraces = new LinkedHashMap<>(); |
fc526aef AM |
85 | TmfSignalManager.registerVIP(this); |
86 | } | |
87 | ||
88 | /** Singleton instance */ | |
89 | private static TmfTraceManager tm = null; | |
90 | ||
91 | /** | |
92 | * Get an instance of the trace manager. | |
93 | * | |
94 | * @return The trace manager | |
95 | */ | |
96 | public static synchronized TmfTraceManager getInstance() { | |
97 | if (tm == null) { | |
98 | tm = new TmfTraceManager(); | |
99 | } | |
100 | return tm; | |
101 | } | |
102 | ||
103 | // ------------------------------------------------------------------------ | |
104 | // Accessors | |
105 | // ------------------------------------------------------------------------ | |
106 | ||
fc526aef | 107 | /** |
0fcf3b09 | 108 | * @return The begin timestamp of selection |
0fcf3b09 PT |
109 | */ |
110 | public ITmfTimestamp getSelectionBeginTime() { | |
111 | return getCurrentTraceContext().getSelectionBegin(); | |
112 | } | |
113 | ||
114 | /** | |
115 | * @return The end timestamp of selection | |
0fcf3b09 PT |
116 | */ |
117 | public ITmfTimestamp getSelectionEndTime() { | |
118 | return getCurrentTraceContext().getSelectionEnd(); | |
119 | } | |
120 | ||
121 | /** | |
122 | * Return the current window time range. | |
fc526aef | 123 | * |
0fcf3b09 | 124 | * @return the current window time range |
fc526aef AM |
125 | */ |
126 | public synchronized TmfTimeRange getCurrentRange() { | |
0fcf3b09 | 127 | return getCurrentTraceContext().getWindowRange(); |
fc526aef AM |
128 | } |
129 | ||
d3de0920 XR |
130 | /** |
131 | * Gets the filter applied to the current trace | |
132 | * | |
5db5a3a4 | 133 | * @return a filter, or <code>null</code> |
d3de0920 XR |
134 | */ |
135 | public synchronized ITmfFilter getCurrentFilter() { | |
136 | return getCurrentTraceContext().getFilter(); | |
137 | } | |
138 | ||
fc526aef AM |
139 | /** |
140 | * Get the currently selected trace (normally, the focused editor). | |
141 | * | |
142 | * @return The active trace | |
143 | */ | |
144 | public synchronized ITmfTrace getActiveTrace() { | |
145 | return fCurrentTrace; | |
146 | } | |
147 | ||
148 | /** | |
a6fc3a28 | 149 | * Get the trace set of the currently active trace. |
fc526aef AM |
150 | * |
151 | * @return The active trace set | |
a6fc3a28 | 152 | * @see #getTraceSet(ITmfTrace) |
fc526aef | 153 | */ |
c14c0757 | 154 | public synchronized @NonNull Collection<ITmfTrace> getActiveTraceSet() { |
fc526aef | 155 | final ITmfTrace trace = fCurrentTrace; |
a6fc3a28 | 156 | return getTraceSet(trace); |
fc526aef AM |
157 | } |
158 | ||
fab18d20 AM |
159 | /** |
160 | * Get the currently-opened traces, as an unmodifiable set. | |
161 | * | |
162 | * @return A set containing the opened traces | |
163 | */ | |
164 | public synchronized Set<ITmfTrace> getOpenedTraces() { | |
165 | return Collections.unmodifiableSet(fTraces.keySet()); | |
166 | } | |
167 | ||
deaae6e1 PT |
168 | /** |
169 | * Get the editor file for an opened trace. | |
170 | * | |
171 | * @param trace | |
172 | * the trace | |
173 | * @return the editor file or null if the trace is not opened | |
deaae6e1 PT |
174 | */ |
175 | public synchronized IFile getTraceEditorFile(ITmfTrace trace) { | |
176 | TmfTraceContext ctx = fTraces.get(trace); | |
177 | if (ctx != null) { | |
178 | return ctx.getEditorFile(); | |
179 | } | |
180 | return null; | |
181 | } | |
182 | ||
fc526aef AM |
183 | private TmfTraceContext getCurrentTraceContext() { |
184 | TmfTraceContext curCtx = fTraces.get(fCurrentTrace); | |
185 | if (curCtx == null) { | |
186 | /* There are no traces opened at the moment. */ | |
187 | return TmfTraceContext.NULL_CONTEXT; | |
188 | } | |
189 | return curCtx; | |
190 | } | |
191 | ||
e1385db9 AM |
192 | // ------------------------------------------------------------------------ |
193 | // Public utility methods | |
194 | // ------------------------------------------------------------------------ | |
195 | ||
a6fc3a28 AM |
196 | /** |
197 | * Get the trace set of a given trace. For a standard trace, this is simply | |
198 | * an array with only that trace in it. For experiments, this is an array of | |
199 | * all the traces contained in this experiment. | |
200 | * | |
201 | * @param trace | |
202 | * The trace or experiment | |
c14c0757 | 203 | * @return The corresponding trace set. |
a6fc3a28 | 204 | */ |
c14c0757 | 205 | public static @NonNull Collection<ITmfTrace> getTraceSet(ITmfTrace trace) { |
a6fc3a28 | 206 | if (trace == null) { |
c14c0757 | 207 | return NonNullUtils.checkNotNull(ImmutableSet.<ITmfTrace> of()); |
a6fc3a28 | 208 | } |
e2239aea BH |
209 | List<ITmfTrace> traces = trace.getChildren(ITmfTrace.class); |
210 | if (traces.size() > 0) { | |
c14c0757 | 211 | return NonNullUtils.checkNotNull(ImmutableSet.copyOf(traces)); |
a6fc3a28 | 212 | } |
c14c0757 | 213 | return NonNullUtils.checkNotNull(ImmutableSet.of(trace)); |
a6fc3a28 AM |
214 | } |
215 | ||
0f8687b4 GB |
216 | /** |
217 | * Get the trace set of a given trace or experiment, including the | |
218 | * experiment. For a standard trace, this is simply a set containing only | |
219 | * that trace. For experiments, it is the set of all the traces contained in | |
220 | * this experiment, along with the experiment. | |
221 | * | |
222 | * @param trace | |
223 | * The trace or experiment | |
c14c0757 | 224 | * @return The corresponding trace set, including the experiment. |
0f8687b4 | 225 | */ |
c14c0757 | 226 | public static @NonNull Collection<ITmfTrace> getTraceSetWithExperiment(ITmfTrace trace) { |
0f8687b4 | 227 | if (trace == null) { |
c14c0757 | 228 | return checkNotNull(ImmutableSet.<ITmfTrace> of()); |
0f8687b4 GB |
229 | } |
230 | if (trace instanceof TmfExperiment) { | |
231 | TmfExperiment exp = (TmfExperiment) trace; | |
fa62dc1d BH |
232 | List<ITmfTrace> traces = exp.getTraces(); |
233 | Set<ITmfTrace> alltraces = new LinkedHashSet<>(traces); | |
0f8687b4 | 234 | alltraces.add(exp); |
c14c0757 | 235 | return NonNullUtils.checkNotNull(ImmutableSet.copyOf(alltraces)); |
0f8687b4 | 236 | } |
5db5a3a4 | 237 | return checkNotNull(Collections.singleton(trace)); |
0f8687b4 GB |
238 | } |
239 | ||
e1385db9 AM |
240 | /** |
241 | * Return the path (as a string) to the directory for supplementary files to | |
242 | * use with a given trace. If no supplementary file directory has been | |
243 | * configured, a temporary directory based on the trace's name will be | |
244 | * provided. | |
245 | * | |
246 | * @param trace | |
247 | * The trace | |
248 | * @return The path to the supplementary file directory (trailing slash is | |
249 | * INCLUDED!) | |
250 | */ | |
251 | public static String getSupplementaryFileDir(ITmfTrace trace) { | |
252 | IResource resource = trace.getResource(); | |
253 | if (resource == null) { | |
254 | return getTemporaryDir(trace); | |
255 | } | |
256 | ||
257 | String supplDir = null; | |
258 | try { | |
259 | supplDir = resource.getPersistentProperty(TmfCommonConstants.TRACE_SUPPLEMENTARY_FOLDER); | |
260 | } catch (CoreException e) { | |
261 | return getTemporaryDir(trace); | |
262 | } | |
263 | return supplDir + File.separator; | |
264 | } | |
265 | ||
b5e8ee95 GB |
266 | /** |
267 | * Refresh the supplementary files resources for a trace, so it can pick up | |
268 | * new files that got created. | |
269 | * | |
270 | * @param trace | |
271 | * The trace for which to refresh the supplementary files | |
b5e8ee95 GB |
272 | */ |
273 | public static void refreshSupplementaryFiles(ITmfTrace trace) { | |
274 | IResource resource = trace.getResource(); | |
88567ed2 | 275 | if (resource != null && resource.exists()) { |
b5e8ee95 GB |
276 | String supplFolderPath = getSupplementaryFileDir(trace); |
277 | IProject project = resource.getProject(); | |
278 | /* Remove the project's path from the supplementary path dir */ | |
279 | if (!supplFolderPath.startsWith(project.getLocationURI().getPath())) { | |
280 | Activator.logWarning(String.format("Supplementary files folder for trace %s is not within the project.", trace.getName())); //$NON-NLS-1$ | |
281 | return; | |
282 | } | |
283 | IFolder supplFolder = project.getFolder(supplFolderPath.substring(project.getLocationURI().getPath().length())); | |
284 | if (supplFolder.exists()) { | |
285 | try { | |
286 | supplFolder.refreshLocal(IResource.DEPTH_INFINITE, null); | |
287 | } catch (CoreException e) { | |
288 | Activator.logError("Error refreshing resources", e); //$NON-NLS-1$ | |
289 | } | |
290 | } | |
291 | } | |
292 | } | |
293 | ||
fc526aef AM |
294 | // ------------------------------------------------------------------------ |
295 | // Signal handlers | |
296 | // ------------------------------------------------------------------------ | |
297 | ||
298 | /** | |
299 | * Signal handler for the traceOpened signal. | |
300 | * | |
301 | * @param signal | |
302 | * The incoming signal | |
303 | */ | |
304 | @TmfSignalHandler | |
305 | public synchronized void traceOpened(final TmfTraceOpenedSignal signal) { | |
306 | final ITmfTrace trace = signal.getTrace(); | |
deaae6e1 | 307 | final IFile editorFile = signal.getEditorFile(); |
fc526aef AM |
308 | final ITmfTimestamp startTs = trace.getStartTime(); |
309 | ||
310 | /* Calculate the initial time range */ | |
311 | final int SCALE = ITmfTimestamp.NANOSECOND_SCALE; | |
312 | long offset = trace.getInitialRangeOffset().normalize(0, SCALE).getValue(); | |
313 | long endTime = startTs.normalize(0, SCALE).getValue() + offset; | |
314 | final TmfTimeRange startTr = new TmfTimeRange(startTs, new TmfTimestamp(endTime, SCALE)); | |
315 | ||
deaae6e1 | 316 | final TmfTraceContext startCtx = new TmfTraceContext(startTs, startTs, startTr, editorFile); |
fc526aef AM |
317 | |
318 | fTraces.put(trace, startCtx); | |
319 | ||
320 | /* We also want to set the newly-opened trace as the active trace */ | |
321 | fCurrentTrace = trace; | |
322 | } | |
323 | ||
fc526aef AM |
324 | /** |
325 | * Handler for the TmfTraceSelectedSignal. | |
326 | * | |
327 | * @param signal | |
328 | * The incoming signal | |
329 | */ | |
330 | @TmfSignalHandler | |
331 | public synchronized void traceSelected(final TmfTraceSelectedSignal signal) { | |
332 | final ITmfTrace newTrace = signal.getTrace(); | |
333 | if (!fTraces.containsKey(newTrace)) { | |
334 | throw new RuntimeException(); | |
335 | } | |
336 | fCurrentTrace = newTrace; | |
337 | } | |
338 | ||
d3de0920 XR |
339 | /** |
340 | * Signal handler for the filterApplied signal. | |
341 | * | |
342 | * @param signal | |
343 | * The incoming signal | |
d3de0920 XR |
344 | */ |
345 | @TmfSignalHandler | |
346 | public synchronized void filterApplied(TmfEventFilterAppliedSignal signal) { | |
347 | final ITmfTrace newTrace = signal.getTrace(); | |
348 | TmfTraceContext context = fTraces.get(newTrace); | |
349 | if (context == null) { | |
350 | throw new RuntimeException(); | |
351 | } | |
352 | fTraces.put(newTrace, new TmfTraceContext(context, signal.getEventFilter())); | |
353 | } | |
354 | ||
fc526aef AM |
355 | /** |
356 | * Signal handler for the traceClosed signal. | |
357 | * | |
358 | * @param signal | |
359 | * The incoming signal | |
360 | */ | |
361 | @TmfSignalHandler | |
362 | public synchronized void traceClosed(final TmfTraceClosedSignal signal) { | |
3fcf269e | 363 | fTraces.remove(signal.getTrace()); |
fc526aef AM |
364 | if (fTraces.size() == 0) { |
365 | fCurrentTrace = null; | |
366 | /* | |
367 | * In other cases, we should receive a traceSelected signal that | |
368 | * will indicate which trace is the new one. | |
369 | */ | |
370 | } | |
371 | } | |
372 | ||
373 | /** | |
374 | * Signal handler for the TmfTimeSynchSignal signal. | |
375 | * | |
376 | * The current time of *all* traces whose range contains the requested new | |
0fcf3b09 | 377 | * selection time range will be updated. |
fc526aef AM |
378 | * |
379 | * @param signal | |
380 | * The incoming signal | |
381 | */ | |
382 | @TmfSignalHandler | |
383 | public synchronized void timeUpdated(final TmfTimeSynchSignal signal) { | |
0fcf3b09 PT |
384 | final ITmfTimestamp beginTs = signal.getBeginTime(); |
385 | final ITmfTimestamp endTs = signal.getEndTime(); | |
fc526aef AM |
386 | |
387 | for (Map.Entry<ITmfTrace, TmfTraceContext> entry : fTraces.entrySet()) { | |
388 | final ITmfTrace trace = entry.getKey(); | |
0fcf3b09 | 389 | if (beginTs.intersects(getValidTimeRange(trace)) || endTs.intersects(getValidTimeRange(trace))) { |
fc526aef | 390 | TmfTraceContext prevCtx = entry.getValue(); |
0fcf3b09 | 391 | TmfTraceContext newCtx = new TmfTraceContext(prevCtx, beginTs, endTs); |
fc526aef AM |
392 | entry.setValue(newCtx); |
393 | } | |
394 | } | |
395 | } | |
396 | ||
397 | /** | |
398 | * Signal handler for the TmfRangeSynchSignal signal. | |
399 | * | |
5db5a3a4 AM |
400 | * The current window time range of *all* valid traces will be updated to |
401 | * the new requested times. | |
fc526aef AM |
402 | * |
403 | * @param signal | |
404 | * The incoming signal | |
405 | */ | |
406 | @TmfSignalHandler | |
407 | public synchronized void timeRangeUpdated(final TmfRangeSynchSignal signal) { | |
fc526aef AM |
408 | for (Map.Entry<ITmfTrace, TmfTraceContext> entry : fTraces.entrySet()) { |
409 | final ITmfTrace trace = entry.getKey(); | |
410 | final TmfTraceContext curCtx = entry.getValue(); | |
411 | ||
412 | final TmfTimeRange validTr = getValidTimeRange(trace); | |
413 | ||
fc526aef AM |
414 | /* Determine the new time range */ |
415 | TmfTimeRange targetTr = signal.getCurrentRange().getIntersection(validTr); | |
0fcf3b09 | 416 | TmfTimeRange newTr = (targetTr == null ? curCtx.getWindowRange() : targetTr); |
fc526aef AM |
417 | |
418 | /* Update the values */ | |
0fcf3b09 | 419 | TmfTraceContext newCtx = new TmfTraceContext(curCtx, newTr); |
fc526aef AM |
420 | entry.setValue(newCtx); |
421 | } | |
422 | } | |
423 | ||
424 | // ------------------------------------------------------------------------ | |
e1385db9 | 425 | // Private utility methods |
fc526aef AM |
426 | // ------------------------------------------------------------------------ |
427 | ||
428 | /** | |
0fcf3b09 PT |
429 | * Return the valid time range of a trace (not the current window time |
430 | * range, but the range of all possible valid timestamps). | |
fc526aef AM |
431 | * |
432 | * For a real trace this is the whole range of the trace. For an experiment, | |
433 | * it goes from the start time of the earliest trace to the end time of the | |
434 | * latest one. | |
435 | * | |
436 | * @param trace | |
437 | * The trace to check for | |
438 | * @return The valid time span, or 'null' if the trace is not valid | |
439 | */ | |
440 | private TmfTimeRange getValidTimeRange(ITmfTrace trace) { | |
441 | if (!fTraces.containsKey(trace)) { | |
442 | /* Trace is not part of the currently opened traces */ | |
443 | return null; | |
444 | } | |
e2239aea BH |
445 | |
446 | List<ITmfTrace> traces = trace.getChildren(ITmfTrace.class); | |
447 | ||
448 | if (traces.isEmpty()) { | |
fc526aef AM |
449 | /* "trace" is a single trace, return its time range directly */ |
450 | return trace.getTimeRange(); | |
451 | } | |
e2239aea BH |
452 | |
453 | if (traces.size() == 1) { | |
fc526aef | 454 | /* Trace is an experiment with only 1 trace */ |
e2239aea | 455 | return traces.get(0).getTimeRange(); |
fc526aef | 456 | } |
e2239aea | 457 | |
fc526aef | 458 | /* |
e2239aea | 459 | * Trace is an trace set with 2+ traces, so get the earliest start and |
fc526aef AM |
460 | * the latest end. |
461 | */ | |
e2239aea BH |
462 | ITmfTimestamp start = traces.get(0).getStartTime(); |
463 | ITmfTimestamp end = traces.get(0).getEndTime(); | |
464 | ||
465 | for (int i = 1; i < traces.size(); i++) { | |
466 | ITmfTrace curTrace = traces.get(i); | |
fc526aef AM |
467 | if (curTrace.getStartTime().compareTo(start) < 0) { |
468 | start = curTrace.getStartTime(); | |
469 | } | |
470 | if (curTrace.getEndTime().compareTo(end) > 0) { | |
471 | end = curTrace.getEndTime(); | |
472 | } | |
473 | } | |
474 | return new TmfTimeRange(start, end); | |
475 | } | |
e1385db9 | 476 | |
3ec38c4c MAL |
477 | /** |
478 | * Get the temporary directory path. If there is an instance of Eclipse | |
479 | * running, the temporary directory will reside under the workspace. | |
480 | * | |
481 | * @return the temporary directory path suitable to be passed to the | |
482 | * java.io.File constructor without a trailing separator | |
3ec38c4c MAL |
483 | */ |
484 | public static String getTemporaryDirPath() { | |
485 | // Get the workspace path from the properties | |
486 | String property = System.getProperty("osgi.instance.area"); //$NON-NLS-1$ | |
487 | if (property != null) { | |
488 | try { | |
1ac53e54 | 489 | File dir = URIUtil.toFile(URIUtil.fromString(property)); |
3ec38c4c MAL |
490 | dir = new File(dir.getAbsolutePath() + File.separator + TEMP_DIR_NAME); |
491 | if (!dir.exists()) { | |
492 | dir.mkdirs(); | |
493 | } | |
494 | return dir.getAbsolutePath(); | |
495 | } catch (URISyntaxException e) { | |
496 | Activator.logError(e.getLocalizedMessage(), e); | |
497 | } | |
498 | } | |
499 | return System.getProperty("java.io.tmpdir"); //$NON-NLS-1$ | |
500 | } | |
501 | ||
e1385db9 | 502 | /** |
6e4358bd AM |
503 | * Get a temporary directory based on a trace's name. We will create the |
504 | * directory if it doesn't exist, so that it's ready to be used. | |
e1385db9 AM |
505 | */ |
506 | private static String getTemporaryDir(ITmfTrace trace) { | |
3ec38c4c | 507 | String pathName = getTemporaryDirPath() + |
fa62dc1d BH |
508 | File.separator + |
509 | trace.getName() + | |
510 | File.separator; | |
6e4358bd AM |
511 | File dir = new File(pathName); |
512 | if (!dir.exists()) { | |
513 | dir.mkdirs(); | |
514 | } | |
515 | return pathName; | |
e1385db9 | 516 | } |
fc526aef | 517 | } |