1 /*******************************************************************************
2 * Copyright (c) 2010 Ericsson
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
10 * Patrick Tasse - Initial API and implementation
11 *******************************************************************************/
13 package org
.eclipse
.linuxtools
.internal
.tmf
.ui
.parsers
.custom
;
15 import java
.io
.FileNotFoundException
;
16 import java
.io
.IOException
;
17 import java
.util
.HashMap
;
18 import java
.util
.Iterator
;
19 import java
.util
.List
;
20 import java
.util
.Map
.Entry
;
21 import java
.util
.regex
.Matcher
;
23 import org
.eclipse
.core
.resources
.IProject
;
24 import org
.eclipse
.core
.resources
.IResource
;
25 import org
.eclipse
.linuxtools
.internal
.tmf
.ui
.Activator
;
26 import org
.eclipse
.linuxtools
.internal
.tmf
.ui
.parsers
.custom
.CustomTxtTraceDefinition
.InputLine
;
27 import org
.eclipse
.linuxtools
.tmf
.core
.event
.TmfTimestamp
;
28 import org
.eclipse
.linuxtools
.tmf
.core
.exceptions
.TmfTraceException
;
29 import org
.eclipse
.linuxtools
.tmf
.core
.io
.BufferedRandomAccessFile
;
30 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfContext
;
31 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfEventParser
;
32 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfLocation
;
33 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfContext
;
34 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfLocation
;
35 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfTrace
;
37 public class CustomTxtTrace
extends TmfTrace
<CustomTxtEvent
> implements ITmfEventParser
<CustomTxtEvent
> {
39 private static final TmfLocation
<Long
> NULL_LOCATION
= new TmfLocation
<Long
>((Long
) null);
40 private static final int DEFAULT_CACHE_SIZE
= 100;
42 private final CustomTxtTraceDefinition fDefinition
;
43 private final CustomTxtEventType fEventType
;
44 private BufferedRandomAccessFile fFile
;
46 public CustomTxtTrace(final CustomTxtTraceDefinition definition
) {
47 fDefinition
= definition
;
48 fEventType
= new CustomTxtEventType(fDefinition
);
51 public CustomTxtTrace(final IResource resource
, final CustomTxtTraceDefinition definition
, final String path
, final int pageSize
) throws TmfTraceException
{
52 super(resource
, CustomTxtEvent
.class, path
, (pageSize
> 0) ? pageSize
: DEFAULT_CACHE_SIZE
);
53 fDefinition
= definition
;
54 fEventType
= new CustomTxtEventType(fDefinition
);
59 public void initTrace(final IResource resource
, final String path
, final Class
<CustomTxtEvent
> eventType
) throws TmfTraceException
{
60 super.initTrace(resource
, path
, eventType
);
62 fFile
= new BufferedRandomAccessFile(getPath(), "r"); //$NON-NLS-1$
63 } catch (IOException e
) {
64 throw new TmfTraceException(e
.getMessage(), e
);
70 public synchronized void dispose() {
75 } catch (IOException e
) {
83 public synchronized TmfContext
seekEvent(final ITmfLocation
<?
> location
) {
84 final CustomTxtTraceContext context
= new CustomTxtTraceContext(NULL_LOCATION
, ITmfContext
.UNKNOWN_RANK
);
85 if (NULL_LOCATION
.equals(location
) || fFile
== null) {
89 if (location
== null) {
91 } else if (location
.getLocation() instanceof Long
) {
92 fFile
.seek((Long
) location
.getLocation());
95 long rawPos
= fFile
.getFilePointer();
96 while ((line
= fFile
.getNextLine()) != null) {
97 for (final InputLine input
: getFirstLines()) {
98 final Matcher matcher
= input
.getPattern().matcher(line
);
100 context
.setLocation(new TmfLocation
<Long
>(rawPos
));
101 context
.firstLineMatcher
= matcher
;
102 context
.firstLine
= line
;
103 context
.nextLineLocation
= fFile
.getFilePointer();
104 context
.inputLine
= input
;
108 rawPos
= fFile
.getFilePointer();
111 } catch (final FileNotFoundException e
) {
112 Activator
.getDefault().logError("Error seeking event. File not found: " + getPath(), e
); //$NON-NLS-1$
114 } catch (final IOException e
) {
115 Activator
.getDefault().logError("Error seeking event. File: " + getPath(), e
); //$NON-NLS-1$
122 public synchronized TmfContext
seekEvent(final double ratio
) {
124 return new CustomTxtTraceContext(NULL_LOCATION
, ITmfContext
.UNKNOWN_RANK
);
127 long pos
= (long) (ratio
* fFile
.length());
130 if (fFile
.read() == '\n') {
135 final ITmfLocation
<?
> location
= new TmfLocation
<Long
>(pos
);
136 final TmfContext context
= seekEvent(location
);
137 context
.setRank(ITmfContext
.UNKNOWN_RANK
);
139 } catch (final IOException e
) {
140 Activator
.getDefault().logError("Error seeking event. File: " + getPath(), e
); //$NON-NLS-1$
141 return new CustomTxtTraceContext(NULL_LOCATION
, ITmfContext
.UNKNOWN_RANK
);
146 public synchronized double getLocationRatio(final ITmfLocation
<?
> location
) {
151 if (location
.getLocation() instanceof Long
) {
152 return (double) ((Long
) location
.getLocation()) / fFile
.length();
154 } catch (final IOException e
) {
155 Activator
.getDefault().logError("Error seeking event. File: " + getPath(), e
); //$NON-NLS-1$
161 public ITmfLocation
<?
> getCurrentLocation() {
162 // TODO Auto-generated method stub
167 public synchronized CustomTxtEvent
parseEvent(final ITmfContext tmfContext
) {
168 ITmfContext context
= seekEvent(tmfContext
.getLocation());
169 return parse(context
);
173 public synchronized CustomTxtEvent
getNext(final ITmfContext context
) {
174 final ITmfContext savedContext
= context
.clone();
175 final CustomTxtEvent event
= parse(context
);
177 updateAttributes(savedContext
, event
.getTimestamp());
178 context
.increaseRank();
183 private synchronized CustomTxtEvent
parse(final ITmfContext tmfContext
) {
187 if (!(tmfContext
instanceof CustomTxtTraceContext
)) {
191 final CustomTxtTraceContext context
= (CustomTxtTraceContext
) tmfContext
;
192 if (!(context
.getLocation().getLocation() instanceof Long
) || NULL_LOCATION
.equals(context
.getLocation())) {
196 CustomTxtEvent event
= parseFirstLine(context
);
198 final HashMap
<InputLine
, Integer
> countMap
= new HashMap
<InputLine
, Integer
>();
199 InputLine currentInput
= null;
200 if (context
.inputLine
.childrenInputs
!= null && context
.inputLine
.childrenInputs
.size() > 0) {
201 currentInput
= context
.inputLine
.childrenInputs
.get(0);
202 countMap
.put(currentInput
, 0);
206 if (fFile
.getFilePointer() != context
.nextLineLocation
) {
207 fFile
.seek(context
.nextLineLocation
);
210 long rawPos
= fFile
.getFilePointer();
211 while ((line
= fFile
.getNextLine()) != null) {
212 boolean processed
= false;
213 if (currentInput
== null) {
214 for (final InputLine input
: getFirstLines()) {
215 final Matcher matcher
= input
.getPattern().matcher(line
);
216 if (matcher
.find()) {
217 context
.setLocation(new TmfLocation
<Long
>(rawPos
));
218 context
.firstLineMatcher
= matcher
;
219 context
.firstLine
= line
;
220 context
.nextLineLocation
= fFile
.getFilePointer();
221 context
.inputLine
= input
;
226 if (countMap
.get(currentInput
) >= currentInput
.getMinCount()) {
227 final List
<InputLine
> nextInputs
= currentInput
.getNextInputs(countMap
);
228 if (nextInputs
.size() == 0 || nextInputs
.get(nextInputs
.size() - 1).getMinCount() == 0) {
229 for (final InputLine input
: getFirstLines()) {
230 final Matcher matcher
= input
.getPattern().matcher(line
);
231 if (matcher
.find()) {
232 context
.setLocation(new TmfLocation
<Long
>(rawPos
));
233 context
.firstLineMatcher
= matcher
;
234 context
.firstLine
= line
;
235 context
.nextLineLocation
= fFile
.getFilePointer();
236 context
.inputLine
= input
;
241 for (final InputLine input
: nextInputs
) {
242 final Matcher matcher
= input
.getPattern().matcher(line
);
243 if (matcher
.find()) {
244 event
.processGroups(input
, matcher
);
245 currentInput
= input
;
246 if (countMap
.get(currentInput
) == null) {
247 countMap
.put(currentInput
, 1);
249 countMap
.put(currentInput
, countMap
.get(currentInput
) + 1);
251 Iterator
<InputLine
> iter
= countMap
.keySet().iterator();
252 while (iter
.hasNext()) {
253 final InputLine inputLine
= iter
.next();
254 if (inputLine
.level
> currentInput
.level
) {
258 if (currentInput
.childrenInputs
!= null && currentInput
.childrenInputs
.size() > 0) {
259 currentInput
= currentInput
.childrenInputs
.get(0);
260 countMap
.put(currentInput
, 0);
261 } else if (countMap
.get(currentInput
) >= currentInput
.getMaxCount()) {
262 if (currentInput
.getNextInputs(countMap
).size() > 0) {
263 currentInput
= currentInput
.getNextInputs(countMap
).get(0);
264 if (countMap
.get(currentInput
) == null) {
265 countMap
.put(currentInput
, 0);
267 iter
= countMap
.keySet().iterator();
268 while (iter
.hasNext()) {
269 final InputLine inputLine
= iter
.next();
270 if (inputLine
.level
> currentInput
.level
) {
284 final Matcher matcher
= currentInput
.getPattern().matcher(line
);
285 if (matcher
.find()) {
286 event
.processGroups(currentInput
, matcher
);
287 countMap
.put(currentInput
, countMap
.get(currentInput
) + 1);
288 if (currentInput
.childrenInputs
!= null && currentInput
.childrenInputs
.size() > 0) {
289 currentInput
= currentInput
.childrenInputs
.get(0);
290 countMap
.put(currentInput
, 0);
291 } else if (countMap
.get(currentInput
) >= currentInput
.getMaxCount()) {
292 if (currentInput
.getNextInputs(countMap
).size() > 0) {
293 currentInput
= currentInput
.getNextInputs(countMap
).get(0);
294 if (countMap
.get(currentInput
) == null) {
295 countMap
.put(currentInput
, 0);
297 final Iterator
<InputLine
> iter
= countMap
.keySet().iterator();
298 while (iter
.hasNext()) {
299 final InputLine inputLine
= iter
.next();
300 if (inputLine
.level
> currentInput
.level
) {
309 ((StringBuffer
) event
.getContent().getValue()).append("\n").append(line
); //$NON-NLS-1$
312 rawPos
= fFile
.getFilePointer();
314 } catch (final IOException e
) {
315 Activator
.getDefault().logError("Error seeking event. File: " + getPath(), e
); //$NON-NLS-1$
317 for (final Entry
<InputLine
, Integer
> entry
: countMap
.entrySet()) {
318 if (entry
.getValue() < entry
.getKey().getMinCount()) {
322 context
.setLocation(NULL_LOCATION
);
326 public List
<InputLine
> getFirstLines() {
327 return fDefinition
.inputs
;
330 public CustomTxtEvent
parseFirstLine(final CustomTxtTraceContext context
) {
331 final CustomTxtEvent event
= new CustomTxtEvent(fDefinition
, this, TmfTimestamp
.ZERO
, "", fEventType
, ""); //$NON-NLS-1$ //$NON-NLS-2$
332 event
.processGroups(context
.inputLine
, context
.firstLineMatcher
);
333 event
.setContent(new CustomEventContent(event
, new StringBuffer(context
.firstLine
)));
337 public CustomTraceDefinition
getDefinition() {
342 * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String)
345 public boolean validate(IProject project
, String path
) {
346 return fileExists(path
);