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6151d86c | 1 | /***************************************************************************** |
c8422608 | 2 | * Copyright (c) 2007, 2013 Intel Corporation, Ericsson |
6151d86c PT |
3 | * All rights reserved. This program and the accompanying materials |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
c1cd9635 MAL |
9 | * Intel Corporation - Initial API and implementation |
10 | * Ruslan A. Scherbakov, Intel - Initial API and implementation | |
11 | * Alvaro Sanchez-Leon - Udpated for TMF | |
12 | * Patrick Tasse - Refactoring | |
13 | * Marc-Andre Laperle - Add time zone preference | |
6151d86c PT |
14 | *****************************************************************************/ |
15 | ||
16 | package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets; | |
17 | ||
026664b7 | 18 | import java.text.NumberFormat; |
6151d86c PT |
19 | import java.text.SimpleDateFormat; |
20 | import java.util.Date; | |
21 | import java.util.Iterator; | |
c1cd9635 | 22 | import java.util.TimeZone; |
6151d86c | 23 | |
c1cd9635 | 24 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimePreferences; |
6151d86c PT |
25 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent; |
26 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; | |
27 | import org.eclipse.swt.graphics.Color; | |
28 | import org.eclipse.swt.graphics.Device; | |
29 | import org.eclipse.swt.graphics.GC; | |
30 | import org.eclipse.swt.graphics.Point; | |
31 | import org.eclipse.swt.graphics.Rectangle; | |
32 | import org.eclipse.swt.widgets.Display; | |
33 | ||
34 | /** | |
35 | * General utilities and definitions used by the time graph widget | |
36 | * | |
37 | * @version 1.0 | |
38 | * @author Alvaro Sanchez-Leon | |
39 | * @author Patrick Tasse | |
40 | */ | |
41 | public class Utils { | |
42 | ||
f1fae91f PT |
43 | private Utils() { |
44 | } | |
45 | ||
6151d86c PT |
46 | /** Time format for dates and timestamp */ |
47 | public enum TimeFormat { | |
48 | /** Relative to the start of the trace */ | |
49 | RELATIVE, | |
386cf45c AM |
50 | |
51 | /** | |
52 | * Absolute timestamp (ie, relative to the Unix epoch) | |
53 | * @since 2.0 | |
54 | */ | |
026664b7 | 55 | CALENDAR, |
386cf45c AM |
56 | |
57 | /** | |
58 | * Timestamp displayed as a simple number | |
59 | * @since 2.0 | |
60 | */ | |
026664b7 | 61 | NUMBER, |
6151d86c PT |
62 | } |
63 | ||
a0a88f65 AM |
64 | /** |
65 | * Timestamp resolution | |
66 | */ | |
67 | public static enum Resolution { | |
68 | /** seconds */ | |
69 | SECONDS, | |
6151d86c | 70 | |
a0a88f65 AM |
71 | /** milliseconds */ |
72 | MILLISEC, | |
6151d86c | 73 | |
a0a88f65 AM |
74 | /** microseconds */ |
75 | MICROSEC, | |
76 | ||
77 | /** nanoseconds */ | |
78 | NANOSEC | |
6151d86c PT |
79 | } |
80 | ||
f1fae91f PT |
81 | private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss"); //$NON-NLS-1$ |
82 | private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd"); //$NON-NLS-1$ | |
83 | private static final long SEC_IN_NS = 1000000000; | |
84 | private static final long MILLISEC_IN_NS = 1000000; | |
6151d86c | 85 | |
c1cd9635 MAL |
86 | /** |
87 | * Update the time and date formats to use the current time zone | |
88 | * | |
89 | * @since 2.1 | |
90 | */ | |
91 | public static void updateTimeZone() { | |
92 | TimeZone timeZone = TmfTimePreferences.getInstance().getTimeZone(); | |
93 | TIME_FORMAT.setTimeZone(timeZone); | |
94 | DATE_FORMAT.setTimeZone(timeZone); | |
95 | } | |
96 | ||
6151d86c PT |
97 | static Rectangle clone(Rectangle source) { |
98 | return new Rectangle(source.x, source.y, source.width, source.height); | |
99 | } | |
100 | ||
101 | /** | |
102 | * Initialize a Rectangle object to default values (all equal to 0) | |
103 | * | |
104 | * @param rect | |
105 | * The Rectangle to initialize | |
106 | */ | |
f1fae91f | 107 | public static void init(Rectangle rect) { |
6151d86c PT |
108 | rect.x = 0; |
109 | rect.y = 0; | |
110 | rect.width = 0; | |
111 | rect.height = 0; | |
112 | } | |
113 | ||
114 | /** | |
115 | * Initialize a Rectangle object with all the given values | |
116 | * | |
117 | * @param rect | |
118 | * The Rectangle object to initialize | |
119 | * @param x | |
120 | * The X coordinate | |
121 | * @param y | |
122 | * The Y coordinate | |
123 | * @param width | |
124 | * The width of the rectangle | |
125 | * @param height | |
126 | * The height of the rectangle | |
127 | */ | |
f1fae91f | 128 | public static void init(Rectangle rect, int x, int y, int width, int height) { |
6151d86c PT |
129 | rect.x = x; |
130 | rect.y = y; | |
131 | rect.width = width; | |
132 | rect.height = height; | |
133 | } | |
134 | ||
135 | /** | |
136 | * Initialize a Rectangle object to another existing Rectangle's values. | |
137 | * | |
138 | * @param rect | |
139 | * The Rectangle to initialize | |
140 | * @param source | |
141 | * The reference Rectangle to copy | |
142 | */ | |
f1fae91f | 143 | public static void init(Rectangle rect, Rectangle source) { |
6151d86c PT |
144 | rect.x = source.x; |
145 | rect.y = source.y; | |
146 | rect.width = source.width; | |
147 | rect.height = source.height; | |
148 | } | |
149 | ||
150 | /** | |
151 | * Reduce the size of a given rectangle by the given amounts. | |
152 | * | |
153 | * @param rect | |
154 | * The rectangle to modify | |
155 | * @param x | |
156 | * The reduction in width | |
157 | * @param y | |
158 | * The reduction in height | |
159 | */ | |
f1fae91f | 160 | public static void deflate(Rectangle rect, int x, int y) { |
6151d86c PT |
161 | rect.x += x; |
162 | rect.y += y; | |
163 | rect.width -= x + x; | |
164 | rect.height -= y + y; | |
165 | } | |
166 | ||
167 | /** | |
168 | * Increase the size of a given rectangle by the given amounts. | |
169 | * | |
170 | * @param rect | |
171 | * The rectangle to modify | |
172 | * @param x | |
173 | * The augmentation in width | |
174 | * @param y | |
175 | * The augmentation in height | |
176 | */ | |
f1fae91f | 177 | public static void inflate(Rectangle rect, int x, int y) { |
6151d86c PT |
178 | rect.x -= x; |
179 | rect.y -= y; | |
180 | rect.width += x + x; | |
181 | rect.height += y + y; | |
182 | } | |
183 | ||
184 | static void dispose(Color col) { | |
185 | if (null != col) { | |
186 | col.dispose(); | |
187 | } | |
188 | } | |
189 | ||
190 | /** | |
191 | * Get the resulting color from a mix of two existing ones for a given | |
192 | * display. | |
193 | * | |
194 | * @param display | |
195 | * The display device (which might affect the color conversion) | |
196 | * @param c1 | |
197 | * The first color | |
198 | * @param c2 | |
199 | * The second color | |
200 | * @param w1 | |
201 | * The gamma level for color 1 | |
202 | * @param w2 | |
203 | * The gamma level for color 2 | |
204 | * @return The resulting color | |
205 | */ | |
f1fae91f | 206 | public static Color mixColors(Device display, Color c1, Color c2, int w1, |
6151d86c PT |
207 | int w2) { |
208 | return new Color(display, (w1 * c1.getRed() + w2 * c2.getRed()) | |
209 | / (w1 + w2), (w1 * c1.getGreen() + w2 * c2.getGreen()) | |
210 | / (w1 + w2), (w1 * c1.getBlue() + w2 * c2.getBlue()) | |
211 | / (w1 + w2)); | |
212 | } | |
213 | ||
214 | /** | |
215 | * Get the system color with the given ID. | |
216 | * | |
217 | * @param id | |
218 | * The color ID | |
219 | * @return The resulting color | |
220 | */ | |
f1fae91f | 221 | public static Color getSysColor(int id) { |
6151d86c PT |
222 | Color col = Display.getCurrent().getSystemColor(id); |
223 | return new Color(col.getDevice(), col.getRGB()); | |
224 | } | |
225 | ||
226 | /** | |
227 | * Get the resulting color from a mix of two existing ones for the current | |
228 | * display. | |
229 | * | |
230 | * @param col1 | |
231 | * The first color | |
232 | * @param col2 | |
233 | * The second color | |
234 | * @param w1 | |
235 | * The gamma level for color 1 | |
236 | * @param w2 | |
237 | * The gamma level for color 2 | |
238 | * @return The resulting color | |
239 | */ | |
f1fae91f | 240 | public static Color mixColors(Color col1, Color col2, int w1, int w2) { |
6151d86c PT |
241 | return mixColors(Display.getCurrent(), col1, col2, w1, w2); |
242 | } | |
243 | ||
244 | /** | |
245 | * Draw text in a rectangle. | |
246 | * | |
247 | * @param gc | |
248 | * The SWT GC object | |
249 | * @param text | |
250 | * The text to draw | |
251 | * @param rect | |
252 | * The rectangle object which is being drawn | |
253 | * @param transp | |
254 | * Should we transpose the color | |
255 | * @return The X coordinate where we have written | |
256 | */ | |
f1fae91f | 257 | public static int drawText(GC gc, String text, Rectangle rect, boolean transp) { |
6151d86c PT |
258 | Point size = gc.stringExtent(text); |
259 | gc.drawText(text, rect.x, rect.y, transp); | |
260 | return size.x; | |
261 | } | |
262 | ||
263 | /** | |
264 | * Draw text at a given location. | |
265 | * | |
266 | * @param gc | |
267 | * The SWT GC object | |
268 | * @param text | |
269 | * The text to draw | |
270 | * @param x | |
271 | * The X coordinate of the starting point | |
272 | * @param y | |
273 | * the Y coordinate of the starting point | |
274 | * @param transp | |
275 | * Should we transpose the color | |
276 | * @return The X coordinate where we have written | |
277 | */ | |
f1fae91f | 278 | public static int drawText(GC gc, String text, int x, int y, boolean transp) { |
6151d86c PT |
279 | Point size = gc.stringExtent(text); |
280 | gc.drawText(text, x, y, transp); | |
281 | return size.x; | |
282 | } | |
283 | ||
713a70ae PT |
284 | /** |
285 | * Draw text in a rectangle, trimming the text to prevent exceeding the specified width. | |
286 | * | |
287 | * @param gc | |
288 | * The SWT GC object | |
289 | * @param text | |
290 | * The string to be drawn | |
291 | * @param x | |
292 | * The x coordinate of the top left corner of the rectangular area where the text is to be drawn | |
293 | * @param y | |
294 | * The y coordinate of the top left corner of the rectangular area where the text is to be drawn | |
295 | * @param width | |
296 | * The width of the area to be drawn | |
297 | * @param isCentered | |
298 | * If <code>true</code> the text will be centered in the available width if space permits | |
299 | * @param isTransparent | |
300 | * If <code>true</code> the background will be transparent, otherwise it will be opaque | |
301 | * @return The number of characters written | |
302 | * | |
303 | * @since 2.0 | |
304 | */ | |
f1fae91f | 305 | public static int drawText(GC gc, String text, int x, int y, int width, boolean isCentered, boolean isTransparent) { |
713a70ae PT |
306 | int len = text.length(); |
307 | int textWidth = 0; | |
41b5c37f AM |
308 | boolean isReallyCentered = isCentered; |
309 | int realX = x; | |
310 | ||
713a70ae PT |
311 | while (len > 0) { |
312 | textWidth = gc.stringExtent(text.substring(0, len)).x; | |
313 | if (textWidth <= width) { | |
314 | break; | |
315 | } | |
41b5c37f | 316 | isReallyCentered = false; |
713a70ae PT |
317 | len--; |
318 | } | |
319 | if (len > 0) { | |
41b5c37f AM |
320 | if (isReallyCentered) { |
321 | realX += (width - textWidth) / 2; | |
713a70ae | 322 | } |
41b5c37f | 323 | gc.drawText(text.substring(0, len), realX, y, isTransparent); |
713a70ae PT |
324 | } |
325 | return len; | |
326 | } | |
327 | ||
6151d86c PT |
328 | /** |
329 | * Formats time in format: MM:SS:NNN | |
330 | * | |
331 | * @param time time | |
332 | * @param format 0: MMMM:ss:nnnnnnnnn, 1: HH:MM:ss MMM.mmmm.nnn | |
333 | * @param resolution the resolution | |
334 | * @return the formatted time | |
335 | */ | |
f1fae91f | 336 | public static String formatTime(long time, TimeFormat format, Resolution resolution) { |
6151d86c | 337 | // if format is absolute (Calendar) |
026664b7 | 338 | if (format == TimeFormat.CALENDAR) { |
6151d86c | 339 | return formatTimeAbs(time, resolution); |
026664b7 XR |
340 | } else if (format == TimeFormat.NUMBER) { |
341 | return NumberFormat.getInstance().format(time); | |
6151d86c PT |
342 | } |
343 | ||
344 | StringBuffer str = new StringBuffer(); | |
41b5c37f AM |
345 | long t = time; |
346 | boolean neg = t < 0; | |
6151d86c | 347 | if (neg) { |
41b5c37f | 348 | t = -t; |
6151d86c PT |
349 | str.append('-'); |
350 | } | |
351 | ||
f1fae91f | 352 | long sec = t / SEC_IN_NS; |
6151d86c | 353 | str.append(sec); |
41b5c37f | 354 | String ns = formatNs(t, resolution); |
6151d86c PT |
355 | if (!ns.equals("")) { //$NON-NLS-1$ |
356 | str.append('.'); | |
357 | str.append(ns); | |
358 | } | |
359 | ||
360 | return str.toString(); | |
361 | } | |
362 | ||
363 | /** | |
364 | * From input time in nanoseconds, convert to Date format YYYY-MM-dd | |
365 | * | |
366 | * @param absTime | |
367 | * The source time, in ns | |
368 | * @return the formatted date | |
369 | */ | |
370 | public static String formatDate(long absTime) { | |
f1fae91f | 371 | String sdate = DATE_FORMAT.format(new Date(absTime / MILLISEC_IN_NS)); |
6151d86c PT |
372 | return sdate; |
373 | } | |
374 | ||
375 | /** | |
376 | * Formats time in ns to Calendar format: HH:MM:SS MMM.mmm.nnn | |
377 | * | |
378 | * @param time | |
379 | * The source time, in ns | |
380 | * @param res | |
381 | * The resolution to use | |
382 | * @return the formatted time | |
383 | */ | |
f1fae91f | 384 | public static String formatTimeAbs(long time, Resolution res) { |
6151d86c PT |
385 | StringBuffer str = new StringBuffer(); |
386 | ||
387 | // format time from nanoseconds to calendar time HH:MM:SS | |
f1fae91f | 388 | String stime = TIME_FORMAT.format(new Date(time / MILLISEC_IN_NS)); |
6151d86c PT |
389 | str.append(stime); |
390 | str.append('.'); | |
391 | // append the Milliseconds, MicroSeconds and NanoSeconds as specified in | |
392 | // the Resolution | |
393 | str.append(formatNs(time, res)); | |
394 | return str.toString(); | |
395 | } | |
396 | ||
397 | /** | |
398 | * Obtains the remainder fraction on unit Seconds of the entered value in | |
399 | * nanoseconds. e.g. input: 1241207054171080214 ns The number of fraction | |
400 | * seconds can be obtained by removing the last 9 digits: 1241207054 the | |
401 | * fractional portion of seconds, expressed in ns is: 171080214 | |
402 | * | |
41b5c37f | 403 | * @param srcTime |
6151d86c PT |
404 | * The source time in ns |
405 | * @param res | |
406 | * The Resolution to use | |
407 | * @return the formatted nanosec | |
408 | */ | |
41b5c37f | 409 | public static String formatNs(long srcTime, Resolution res) { |
6151d86c | 410 | StringBuffer str = new StringBuffer(); |
407bfdd5 | 411 | long ns = Math.abs(srcTime % SEC_IN_NS); |
f1fae91f PT |
412 | String nanos = Long.toString(ns); |
413 | str.append("000000000".substring(nanos.length())); //$NON-NLS-1$ | |
414 | str.append(nanos); | |
6151d86c PT |
415 | |
416 | if (res == Resolution.MILLISEC) { | |
417 | return str.substring(0, 3); | |
418 | } else if (res == Resolution.MICROSEC) { | |
419 | return str.substring(0, 6); | |
420 | } else if (res == Resolution.NANOSEC) { | |
421 | return str.substring(0, 9); | |
422 | } | |
423 | return ""; //$NON-NLS-1$ | |
424 | } | |
425 | ||
426 | /** | |
427 | * FIXME Currently does nothing. | |
428 | * | |
429 | * @param opt | |
430 | * The option name | |
431 | * @param def | |
432 | * The option value | |
433 | * @param min | |
434 | * The minimal accepted value | |
435 | * @param max | |
436 | * The maximal accepted value | |
437 | * @return The value that was read | |
438 | */ | |
f1fae91f | 439 | public static int loadIntOption(String opt, int def, int min, int max) { |
6151d86c PT |
440 | return def; |
441 | } | |
442 | ||
443 | /** | |
444 | * FIXME currently does nothing | |
445 | * | |
446 | * @param opt | |
447 | * The option name | |
448 | * @param val | |
449 | * The option value | |
450 | */ | |
f1fae91f | 451 | public static void saveIntOption(String opt, int val) { |
6151d86c PT |
452 | } |
453 | ||
454 | static ITimeEvent getFirstEvent(ITimeGraphEntry entry) { | |
455 | if (null == entry || ! entry.hasTimeEvents()) { | |
456 | return null; | |
457 | } | |
458 | Iterator<ITimeEvent> iterator = entry.getTimeEventsIterator(); | |
459 | if (iterator != null && iterator.hasNext()) { | |
460 | return iterator.next(); | |
461 | } | |
462 | return null; | |
463 | } | |
464 | ||
465 | /** | |
bedfbbb5 XR |
466 | * Gets the {@link ITimeEvent} at the given time from the given |
467 | * {@link ITimeGraphEntry}. | |
6151d86c PT |
468 | * |
469 | * @param entry | |
bedfbbb5 | 470 | * a {@link ITimeGraphEntry} |
6151d86c | 471 | * @param time |
bedfbbb5 | 472 | * a timestamp |
6151d86c | 473 | * @param n |
bedfbbb5 XR |
474 | * this parameter means: <list> <li>-1: Previous Event</li> <li> |
475 | * 0: Current Event</li> <li> | |
476 | * 1: Next Event</li> <li>2: Previous Event when located in a non | |
477 | * Event Area </list> | |
478 | * @return a {@link ITimeEvent}, or <code>null</code>. | |
479 | * @since 3.0 | |
6151d86c | 480 | */ |
bedfbbb5 | 481 | public static ITimeEvent findEvent(ITimeGraphEntry entry, long time, int n) { |
6151d86c PT |
482 | if (null == entry || ! entry.hasTimeEvents()) { |
483 | return null; | |
484 | } | |
485 | Iterator<ITimeEvent> iterator = entry.getTimeEventsIterator(); | |
486 | if (iterator == null) { | |
487 | return null; | |
488 | } | |
489 | ITimeEvent nextEvent = null; | |
490 | ITimeEvent currEvent = null; | |
491 | ITimeEvent prevEvent = null; | |
492 | ||
493 | while (iterator.hasNext()) { | |
494 | nextEvent = iterator.next(); | |
495 | long nextStartTime = nextEvent.getTime(); | |
496 | ||
497 | if (nextStartTime > time) { | |
498 | break; | |
499 | } | |
500 | ||
b905d437 XR |
501 | if (currEvent == null || currEvent.getTime() != nextStartTime || |
502 | (nextStartTime != time && currEvent.getDuration() != nextEvent.getDuration())) { | |
6151d86c PT |
503 | prevEvent = currEvent; |
504 | currEvent = nextEvent; | |
505 | } | |
506 | } | |
507 | ||
508 | if (n == -1) { //previous | |
509 | if (currEvent != null && currEvent.getTime() + currEvent.getDuration() >= time) { | |
510 | return prevEvent; | |
511 | } | |
512 | return currEvent; | |
513 | } else if (n == 0) { //current | |
514 | if (currEvent != null && currEvent.getTime() + currEvent.getDuration() >= time) { | |
515 | return currEvent; | |
516 | } | |
517 | return null; | |
518 | } else if (n == 1) { //next | |
519 | if (nextEvent != null && nextEvent.getTime() > time) { | |
520 | return nextEvent; | |
521 | } | |
522 | return null; | |
523 | } else if (n == 2) { //current or previous when in empty space | |
524 | return currEvent; | |
525 | } | |
526 | ||
527 | return null; | |
528 | } | |
529 | ||
530 | /** | |
531 | * Pretty-print a method signature. | |
532 | * | |
41b5c37f | 533 | * @param origSig |
6151d86c PT |
534 | * The original signature |
535 | * @return The pretty signature | |
536 | */ | |
f1fae91f | 537 | public static String fixMethodSignature(String origSig) { |
41b5c37f | 538 | String sig = origSig; |
6151d86c PT |
539 | int pos = sig.indexOf('('); |
540 | if (pos >= 0) { | |
541 | String ret = sig.substring(0, pos); | |
542 | sig = sig.substring(pos); | |
543 | sig = sig + " " + ret; //$NON-NLS-1$ | |
544 | } | |
545 | return sig; | |
546 | } | |
547 | ||
548 | /** | |
549 | * Restore an original method signature from a pretty-printed one. | |
550 | * | |
41b5c37f | 551 | * @param ppSig |
6151d86c PT |
552 | * The pretty-printed signature |
553 | * @return The original method signature | |
554 | */ | |
f1fae91f | 555 | public static String restoreMethodSignature(String ppSig) { |
6151d86c | 556 | String ret = ""; //$NON-NLS-1$ |
41b5c37f AM |
557 | String sig = ppSig; |
558 | ||
6151d86c PT |
559 | int pos = sig.indexOf('('); |
560 | if (pos >= 0) { | |
561 | ret = sig.substring(0, pos); | |
562 | sig = sig.substring(pos + 1); | |
563 | } | |
564 | pos = sig.indexOf(')'); | |
565 | if (pos >= 0) { | |
566 | sig = sig.substring(0, pos); | |
567 | } | |
568 | String args[] = sig.split(","); //$NON-NLS-1$ | |
569 | StringBuffer result = new StringBuffer("("); //$NON-NLS-1$ | |
570 | for (int i = 0; i < args.length; i++) { | |
571 | String arg = args[i].trim(); | |
572 | if (arg.length() == 0 && args.length == 1) { | |
573 | break; | |
574 | } | |
575 | result.append(getTypeSignature(arg)); | |
576 | } | |
577 | result.append(")").append(getTypeSignature(ret)); //$NON-NLS-1$ | |
578 | return result.toString(); | |
579 | } | |
580 | ||
581 | /** | |
582 | * Get the mangled type information from an array of types. | |
583 | * | |
41b5c37f | 584 | * @param typeStr |
6151d86c PT |
585 | * The types to convert. See method implementation for what it |
586 | * expects. | |
587 | * @return The mangled string of types | |
588 | */ | |
41b5c37f | 589 | public static String getTypeSignature(String typeStr) { |
6151d86c | 590 | int dim = 0; |
41b5c37f | 591 | String type = typeStr; |
6151d86c PT |
592 | for (int j = 0; j < type.length(); j++) { |
593 | if (type.charAt(j) == '[') { | |
594 | dim++; | |
595 | } | |
596 | } | |
597 | int pos = type.indexOf('['); | |
598 | if (pos >= 0) { | |
599 | type = type.substring(0, pos); | |
600 | } | |
601 | StringBuffer sig = new StringBuffer(""); //$NON-NLS-1$ | |
602 | for (int j = 0; j < dim; j++) | |
603 | { | |
41b5c37f | 604 | sig.append("["); //$NON-NLS-1$ |
6151d86c PT |
605 | } |
606 | if (type.equals("boolean")) { //$NON-NLS-1$ | |
607 | sig.append('Z'); | |
608 | } else if (type.equals("byte")) { //$NON-NLS-1$ | |
609 | sig.append('B'); | |
610 | } else if (type.equals("char")) { //$NON-NLS-1$ | |
611 | sig.append('C'); | |
612 | } else if (type.equals("short")) { //$NON-NLS-1$ | |
613 | sig.append('S'); | |
614 | } else if (type.equals("int")) { //$NON-NLS-1$ | |
615 | sig.append('I'); | |
616 | } else if (type.equals("long")) { //$NON-NLS-1$ | |
617 | sig.append('J'); | |
618 | } else if (type.equals("float")) { //$NON-NLS-1$ | |
619 | sig.append('F'); | |
620 | } else if (type.equals("double")) { //$NON-NLS-1$ | |
621 | sig.append('D'); | |
622 | } else if (type.equals("void")) { //$NON-NLS-1$ | |
623 | sig.append('V'); | |
624 | } | |
625 | else { | |
626 | sig.append('L').append(type.replace('.', '/')).append(';'); | |
627 | } | |
628 | return sig.toString(); | |
629 | } | |
630 | ||
631 | /** | |
632 | * Compare two doubles together. | |
633 | * | |
634 | * @param d1 | |
635 | * First double | |
636 | * @param d2 | |
637 | * Second double | |
638 | * @return 1 if they are different, and 0 if they are *exactly* the same. | |
639 | * Because of the way doubles are stored, it's possible for the | |
640 | * same number obtained in two different ways to actually look | |
641 | * different. | |
642 | */ | |
f1fae91f | 643 | public static int compare(double d1, double d2) { |
6151d86c PT |
644 | if (d1 > d2) { |
645 | return 1; | |
646 | } | |
647 | if (d1 < d2) { | |
648 | return 1; | |
649 | } | |
650 | return 0; | |
651 | } | |
652 | ||
653 | /** | |
654 | * Compare two character strings alphabetically. This is simply a wrapper | |
655 | * around String.compareToIgnoreCase but that will handle cases where | |
656 | * strings can be null | |
657 | * | |
658 | * @param s1 | |
659 | * The first string | |
660 | * @param s2 | |
661 | * The second string | |
662 | * @return A number below, equal, or greater than zero if the first string | |
663 | * is smaller, equal, or bigger (alphabetically) than the second | |
664 | * one. | |
665 | */ | |
f1fae91f | 666 | public static int compare(String s1, String s2) { |
6151d86c PT |
667 | if (s1 != null && s2 != null) { |
668 | return s1.compareToIgnoreCase(s2); | |
669 | } | |
670 | if (s1 != null) { | |
671 | return 1; | |
672 | } | |
673 | if (s2 != null) { | |
674 | return -1; | |
675 | } | |
676 | return 0; | |
677 | } | |
678 | } |