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d18dd09b ASL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2009 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 | ||
6c13869b | 13 | package org.eclipse.linuxtools.tmf.stubs.trace; |
d18dd09b ASL |
14 | |
15 | import java.io.EOFException; | |
16 | import java.io.IOException; | |
17 | import java.io.RandomAccessFile; | |
18 | import java.util.Vector; | |
19 | ||
72f1e62a | 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
4c564a2d | 21 | import org.eclipse.linuxtools.tmf.core.event.ITmfEventField; |
6c13869b | 22 | import org.eclipse.linuxtools.tmf.core.event.TmfEvent; |
4c564a2d | 23 | import org.eclipse.linuxtools.tmf.core.event.TmfEventField; |
6c13869b FC |
24 | import org.eclipse.linuxtools.tmf.core.event.TmfEventType; |
25 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
26 | import org.eclipse.linuxtools.tmf.core.parser.ITmfEventParser; | |
27 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
28 | import org.eclipse.linuxtools.tmf.core.trace.TmfContext; | |
29 | import org.eclipse.linuxtools.tmf.core.trace.TmfLocation; | |
d18dd09b ASL |
30 | |
31 | /** | |
32 | * <b><u>TmfEventParserStub</u></b> | |
33 | * <p> | |
34 | * TODO: Implement me. Please. | |
35 | */ | |
3b38ea61 | 36 | @SuppressWarnings("nls") |
72f1e62a | 37 | public class TmfEventParserStub implements ITmfEventParser<TmfEvent> { |
d18dd09b | 38 | |
e31e01e8 | 39 | // ------------------------------------------------------------------------ |
d18dd09b | 40 | // Attributes |
e31e01e8 | 41 | // ------------------------------------------------------------------------ |
d18dd09b | 42 | |
6e85c58d | 43 | private static final int NB_TYPES = 10; |
28b94d61 | 44 | private final TmfEventType[] fTypes; |
d18dd09b | 45 | |
e31e01e8 | 46 | // ------------------------------------------------------------------------ |
d18dd09b | 47 | // Constructors |
e31e01e8 | 48 | // ------------------------------------------------------------------------ |
d18dd09b ASL |
49 | |
50 | public TmfEventParserStub() { | |
28b94d61 FC |
51 | fTypes = new TmfEventType[NB_TYPES]; |
52 | for (int i = 0; i < NB_TYPES; i++) { | |
cbbcc354 | 53 | Vector<String> fields = new Vector<String>(); |
d18dd09b | 54 | for (int j = 1; j <= i; j++) { |
cbbcc354 | 55 | String field = "Fmt-" + i + "-Fld-" + j; |
56 | fields.add(field); | |
d18dd09b | 57 | } |
cbbcc354 | 58 | String[] fieldArray = new String[i]; |
4c564a2d FC |
59 | ITmfEventField rootField = TmfEventField.makeRoot(fields.toArray(fieldArray)); |
60 | fTypes[i] = new TmfEventType("UnitTest", "Type-" + i, rootField); | |
d18dd09b ASL |
61 | } |
62 | } | |
63 | ||
e31e01e8 | 64 | // ------------------------------------------------------------------------ |
d18dd09b | 65 | // Operators |
e31e01e8 | 66 | // ------------------------------------------------------------------------ |
d18dd09b ASL |
67 | |
68 | static final String typePrefix = "Type-"; | |
d4011df2 FC |
69 | @Override |
70 | @SuppressWarnings("unchecked") | |
72f1e62a | 71 | public ITmfEvent parseNextEvent(ITmfTrace<TmfEvent> eventStream, TmfContext context) throws IOException { |
d18dd09b | 72 | |
146a887c | 73 | if (! (eventStream instanceof TmfTraceStub)) { |
d18dd09b ASL |
74 | return null; |
75 | } | |
76 | ||
8d2e2848 FC |
77 | // Highly inefficient... |
78 | RandomAccessFile stream = ((TmfTraceStub) eventStream).getStream(); | |
6e85c58d FC |
79 | // String name = eventStream.getName(); |
80 | // name = name.substring(name.lastIndexOf('/') + 1); | |
8d2e2848 | 81 | |
73005152 BH |
82 | // no need to use synchronized since it's already cover by the calling method |
83 | ||
84 | long location = 0; | |
85 | if (context != null) | |
86 | location = ((TmfLocation<Long>) (context.getLocation())).getLocation(); | |
87 | stream.seek(location); | |
88 | ||
89 | try { | |
90 | long ts = stream.readLong(); | |
91 | String source = stream.readUTF(); | |
92 | String type = stream.readUTF(); | |
6e85c58d | 93 | Integer reference = stream.readInt(); |
73005152 BH |
94 | int typeIndex = Integer.parseInt(type.substring(typePrefix.length())); |
95 | String[] fields = new String[typeIndex]; | |
96 | for (int i = 0; i < typeIndex; i++) { | |
97 | fields[i] = stream.readUTF(); | |
98 | } | |
99 | ||
6e85c58d | 100 | StringBuffer content = new StringBuffer("["); |
73005152 | 101 | if (typeIndex > 0) { |
6e85c58d | 102 | content.append(fields[0]); |
73005152 BH |
103 | } |
104 | for (int i = 1; i < typeIndex; i++) { | |
6e85c58d | 105 | content.append(", ").append(fields[i]); |
73005152 | 106 | } |
6e85c58d | 107 | content.append("]"); |
73005152 | 108 | |
6e85c58d | 109 | TmfEventField root = new TmfEventField(ITmfEventField.ROOT_ID, content.toString()); |
72f1e62a | 110 | ITmfEvent event = new TmfEvent(eventStream, |
6e85c58d FC |
111 | new TmfTimestamp(ts, -3, 0), // millisecs |
112 | source, fTypes[typeIndex], root, reference.toString()); | |
73005152 BH |
113 | return event; |
114 | } catch (EOFException e) { | |
115 | } | |
d18dd09b ASL |
116 | return null; |
117 | } | |
118 | ||
e31e01e8 | 119 | } |