1 | package com.framsticks.params; |
---|
2 | |
---|
3 | import com.framsticks.params.annotations.FramsClassAnnotation; |
---|
4 | import com.framsticks.params.annotations.ParamAnnotation; |
---|
5 | import com.framsticks.params.types.*; |
---|
6 | import com.framsticks.util.Builder; |
---|
7 | import com.framsticks.util.FramsticksException; |
---|
8 | import com.framsticks.util.Misc; |
---|
9 | import com.framsticks.util.lang.Strings; |
---|
10 | |
---|
11 | import org.apache.log4j.Logger; |
---|
12 | |
---|
13 | import java.lang.reflect.InvocationTargetException; |
---|
14 | import java.util.ArrayList; |
---|
15 | import java.util.Arrays; |
---|
16 | import java.util.List; |
---|
17 | import java.util.regex.Matcher; |
---|
18 | import java.util.regex.Pattern; |
---|
19 | |
---|
20 | import javax.annotation.Nonnull; |
---|
21 | |
---|
22 | /** |
---|
23 | * The class ParamBuilder helps building Param objects. |
---|
24 | * |
---|
25 | * @author Mateusz Jarus <name.surname@gmail.com> (please replace name and |
---|
26 | * surname with my personal data) |
---|
27 | * |
---|
28 | * @author Piotr Śniegowski |
---|
29 | */ |
---|
30 | |
---|
31 | @FramsClassAnnotation(name = "prop", id = "prop") |
---|
32 | public class ParamBuilder implements Builder<Param> { |
---|
33 | private final static Logger log = Logger.getLogger(ParamBuilder.class.getName()); |
---|
34 | |
---|
35 | private static final String ID_FIELD = "id"; |
---|
36 | private static final String NAME_FIELD = "name"; |
---|
37 | private static final String HELP_FIELD = "help"; |
---|
38 | private static final String GROUP_FIELD = "group"; |
---|
39 | private static final String TYPE_FIELD = "type"; |
---|
40 | private static final String FLAGS_FIELD = "flags"; |
---|
41 | |
---|
42 | /** The parameter id. */ |
---|
43 | private String id; |
---|
44 | |
---|
45 | /** The number of group, that parameter belongs to. */ |
---|
46 | private Integer group; |
---|
47 | |
---|
48 | /** The flags stored as a bit sum. */ |
---|
49 | private int flags = 0; |
---|
50 | |
---|
51 | /** The parameter name. */ |
---|
52 | private String name; |
---|
53 | |
---|
54 | /** The help (description) concerning parameter. */ |
---|
55 | private String help; |
---|
56 | |
---|
57 | /** The type of parameter. */ |
---|
58 | private Class<? extends Param> paramType; |
---|
59 | |
---|
60 | private Object min; |
---|
61 | |
---|
62 | private Object max; |
---|
63 | |
---|
64 | private Object def; |
---|
65 | |
---|
66 | private int extra = 0; |
---|
67 | |
---|
68 | String containedTypeName; |
---|
69 | |
---|
70 | protected Class<?> storageType; |
---|
71 | |
---|
72 | protected FramsClassBuilder classBuilder; |
---|
73 | |
---|
74 | public ParamBuilder() { |
---|
75 | this(null); |
---|
76 | } |
---|
77 | |
---|
78 | protected ValueParam resultType; |
---|
79 | |
---|
80 | protected List<ValueParam> argumentsType; |
---|
81 | |
---|
82 | /** |
---|
83 | * @param classBuilder |
---|
84 | */ |
---|
85 | public ParamBuilder(FramsClassBuilder classBuilder) { |
---|
86 | this.classBuilder = classBuilder; |
---|
87 | } |
---|
88 | |
---|
89 | |
---|
90 | /** |
---|
91 | * @return the min |
---|
92 | */ |
---|
93 | @ParamAnnotation |
---|
94 | public Object getMin() { |
---|
95 | return min; |
---|
96 | } |
---|
97 | |
---|
98 | /** |
---|
99 | * @return the max |
---|
100 | */ |
---|
101 | @ParamAnnotation |
---|
102 | public Object getMax() { |
---|
103 | return max; |
---|
104 | } |
---|
105 | |
---|
106 | /** |
---|
107 | * @return the def |
---|
108 | */ |
---|
109 | @ParamAnnotation |
---|
110 | public Object getDef() { |
---|
111 | return def; |
---|
112 | } |
---|
113 | |
---|
114 | public String getContainedTypeName() { |
---|
115 | return Strings.notEmpty(containedTypeName) ? containedTypeName : null; |
---|
116 | } |
---|
117 | |
---|
118 | /** |
---|
119 | * @return the resultType |
---|
120 | */ |
---|
121 | public ValueParam getResultType() { |
---|
122 | return resultType; |
---|
123 | } |
---|
124 | |
---|
125 | |
---|
126 | /** |
---|
127 | * @param resultType the resultType to set |
---|
128 | */ |
---|
129 | public ParamBuilder resultType(ValueParam resultType) { |
---|
130 | this.resultType = resultType; |
---|
131 | return this; |
---|
132 | } |
---|
133 | |
---|
134 | /** |
---|
135 | * @return the argumentsType |
---|
136 | */ |
---|
137 | public List<ValueParam> getArgumentsType() { |
---|
138 | return argumentsType; |
---|
139 | } |
---|
140 | |
---|
141 | |
---|
142 | /** |
---|
143 | * @param argumentsType the argumentsType to set |
---|
144 | */ |
---|
145 | public ParamBuilder argumentsType(List<ValueParam> argumentsType) { |
---|
146 | this.argumentsType = argumentsType; |
---|
147 | return this; |
---|
148 | } |
---|
149 | |
---|
150 | /** |
---|
151 | * @return the enumValues |
---|
152 | */ |
---|
153 | public List<String> getEnumValues() { |
---|
154 | return enumValues; |
---|
155 | } |
---|
156 | |
---|
157 | /** |
---|
158 | * @return the uid |
---|
159 | */ |
---|
160 | public String getUid() { |
---|
161 | return uid; |
---|
162 | } |
---|
163 | |
---|
164 | public @Nonnull <T extends Param> T finish(Class<T> requested) { |
---|
165 | Param param = finish(); |
---|
166 | if (!requested.isInstance(param)) { |
---|
167 | throw new FramsticksException().msg("param is of wrong type").arg("requested", requested).arg("actual", param.getClass()); |
---|
168 | } |
---|
169 | return requested.cast(param); |
---|
170 | } |
---|
171 | |
---|
172 | /** |
---|
173 | * Build Param based on provided data. |
---|
174 | * |
---|
175 | * @return Param object |
---|
176 | * @throws Exception |
---|
177 | * when Param getType is not defined |
---|
178 | */ |
---|
179 | public @Nonnull Param finish() { |
---|
180 | try { |
---|
181 | if (paramType == null) { |
---|
182 | throw new FramsticksException().msg("trying to finish incomplete param while type is missing"); |
---|
183 | } |
---|
184 | return paramType.getConstructor(ParamBuilder.class).newInstance(this); |
---|
185 | } catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException | FramsticksException e) { |
---|
186 | throw new FramsticksException().msg("failed to create param").cause(e).arg("name", name); |
---|
187 | } |
---|
188 | } |
---|
189 | |
---|
190 | @ParamAnnotation |
---|
191 | public ParamBuilder id(String id) { |
---|
192 | this.id = id; |
---|
193 | return this; |
---|
194 | } |
---|
195 | |
---|
196 | public <T extends Param> ParamBuilder type(Class<T> type) { |
---|
197 | assert type != null; |
---|
198 | this.paramType = type; |
---|
199 | return this; |
---|
200 | } |
---|
201 | |
---|
202 | /** |
---|
203 | * @return the id |
---|
204 | */ |
---|
205 | @ParamAnnotation |
---|
206 | public String getId() { |
---|
207 | return id; |
---|
208 | } |
---|
209 | |
---|
210 | @ParamAnnotation |
---|
211 | public ParamBuilder group(Integer group) { |
---|
212 | this.group = group; |
---|
213 | return this; |
---|
214 | } |
---|
215 | |
---|
216 | @ParamAnnotation |
---|
217 | public ParamBuilder flags(int flags) { |
---|
218 | this.flags = flags; |
---|
219 | return this; |
---|
220 | } |
---|
221 | |
---|
222 | @ParamAnnotation |
---|
223 | public ParamBuilder name(String name) { |
---|
224 | this.name = name; |
---|
225 | return this; |
---|
226 | } |
---|
227 | |
---|
228 | protected <T extends Number> void parseMinMaxDefNumber(Class<T> type, String second, String third, String fourth) { |
---|
229 | if (second != null) { |
---|
230 | min = second; |
---|
231 | } |
---|
232 | if (third != null) { |
---|
233 | max = third; |
---|
234 | } |
---|
235 | if (fourth != null) { |
---|
236 | def = fourth; |
---|
237 | } |
---|
238 | } |
---|
239 | |
---|
240 | protected List<String> enumValues; |
---|
241 | |
---|
242 | public ParamBuilder enums(List<String> values) { |
---|
243 | enumValues = values; |
---|
244 | return type(EnumParam.class); |
---|
245 | } |
---|
246 | |
---|
247 | protected String uid; |
---|
248 | |
---|
249 | @ParamAnnotation |
---|
250 | public ParamBuilder type(String type) { |
---|
251 | // typeString = type; |
---|
252 | assert type != null; |
---|
253 | |
---|
254 | log.trace("parsing type: " + type); |
---|
255 | |
---|
256 | String[] typeSplitted = type.split(" "); |
---|
257 | String first = typeSplitted[0]; |
---|
258 | String second = typeSplitted.length > 1 ? typeSplitted[1] : null; |
---|
259 | String third = typeSplitted.length > 2 ? typeSplitted[2] : null; |
---|
260 | String fourth = typeSplitted.length > 3 ? typeSplitted[3] : null; |
---|
261 | |
---|
262 | switch (first.charAt(0)) { |
---|
263 | case 'o': { |
---|
264 | containedTypeName = second != null ? second : first.substring(1); |
---|
265 | type(ObjectParam.class); |
---|
266 | break; |
---|
267 | } |
---|
268 | case 'p': { |
---|
269 | type(ProcedureParam.class); |
---|
270 | signature(type.substring(1)); |
---|
271 | break; |
---|
272 | } |
---|
273 | case 'd': { |
---|
274 | |
---|
275 | int tildeIndex = type.indexOf("~"); |
---|
276 | if (tildeIndex != -1) { |
---|
277 | enums(Arrays.asList(type.substring(tildeIndex + 1).split("~"))); |
---|
278 | } else { |
---|
279 | if (first.length() >= 2) { |
---|
280 | switch (first.charAt(1)) { |
---|
281 | case 'b': { |
---|
282 | type(BinaryParam.class); |
---|
283 | break; |
---|
284 | } |
---|
285 | case 'c': { |
---|
286 | type(ColorParam.class); |
---|
287 | break; |
---|
288 | } |
---|
289 | default: { |
---|
290 | log.error("unknown type: " + first); |
---|
291 | return this; |
---|
292 | } |
---|
293 | } |
---|
294 | } |
---|
295 | if ("0".equals(second) && "1".equals(third)) { |
---|
296 | type(BooleanParam.class); |
---|
297 | } |
---|
298 | if (paramType == null) { |
---|
299 | type(DecimalParam.class); |
---|
300 | } |
---|
301 | } |
---|
302 | if (DecimalParam.class.isAssignableFrom(this.paramType)) { |
---|
303 | parseMinMaxDefNumber(Integer.class, second, third, fourth); |
---|
304 | } |
---|
305 | break; |
---|
306 | } |
---|
307 | case 'f': { |
---|
308 | type(FloatParam.class); |
---|
309 | parseMinMaxDefNumber(Double.class, second, third, fourth); |
---|
310 | break; |
---|
311 | } |
---|
312 | case 'x': { |
---|
313 | type(UniversalParam.class); |
---|
314 | break; |
---|
315 | } |
---|
316 | case 's': { |
---|
317 | type(StringParam.class); |
---|
318 | min(second); |
---|
319 | max(third); |
---|
320 | break; |
---|
321 | } |
---|
322 | case 'e': { |
---|
323 | type(EventParam.class); |
---|
324 | break; |
---|
325 | } |
---|
326 | case 'l': { |
---|
327 | containedTypeName = second; |
---|
328 | if (third != null) { |
---|
329 | type(UniqueListParam.class); |
---|
330 | uid = third; |
---|
331 | } else { |
---|
332 | type(ArrayListParam.class); |
---|
333 | } |
---|
334 | break; |
---|
335 | } |
---|
336 | default:{ |
---|
337 | log.error("unknown type: " + first); |
---|
338 | return this; |
---|
339 | } |
---|
340 | } |
---|
341 | return this; |
---|
342 | } |
---|
343 | |
---|
344 | @ParamAnnotation |
---|
345 | public ParamBuilder help(String help) { |
---|
346 | this.help = help; |
---|
347 | return this; |
---|
348 | } |
---|
349 | |
---|
350 | /** |
---|
351 | * @return the group |
---|
352 | */ |
---|
353 | @ParamAnnotation |
---|
354 | public Integer getGroup() { |
---|
355 | return group; |
---|
356 | } |
---|
357 | |
---|
358 | /** |
---|
359 | * @return the flags |
---|
360 | */ |
---|
361 | @ParamAnnotation |
---|
362 | public int getFlags() { |
---|
363 | return flags; |
---|
364 | } |
---|
365 | |
---|
366 | /** |
---|
367 | * @return the name |
---|
368 | */ |
---|
369 | @ParamAnnotation |
---|
370 | public String getName() { |
---|
371 | return name; |
---|
372 | } |
---|
373 | |
---|
374 | /** |
---|
375 | * @return the help |
---|
376 | */ |
---|
377 | @ParamAnnotation |
---|
378 | public String getHelp() { |
---|
379 | return help; |
---|
380 | } |
---|
381 | |
---|
382 | @ParamAnnotation |
---|
383 | public String getType() { |
---|
384 | return "?"; |
---|
385 | } |
---|
386 | |
---|
387 | @ParamAnnotation(id = "xtra") |
---|
388 | public int getExtra() { |
---|
389 | return extra; |
---|
390 | } |
---|
391 | |
---|
392 | /** |
---|
393 | * @return the paramType |
---|
394 | */ |
---|
395 | public Class<? extends Param> getParamType() { |
---|
396 | return paramType; |
---|
397 | } |
---|
398 | |
---|
399 | @ParamAnnotation(id = "xtra") |
---|
400 | public ParamBuilder extra(int extra) { |
---|
401 | this.extra = extra; |
---|
402 | return this; |
---|
403 | } |
---|
404 | |
---|
405 | @ParamAnnotation |
---|
406 | public ParamBuilder min(Object min) { |
---|
407 | this.min = min; |
---|
408 | return this; |
---|
409 | } |
---|
410 | |
---|
411 | @ParamAnnotation |
---|
412 | public ParamBuilder max(Object max) { |
---|
413 | this.max = max; |
---|
414 | return this; |
---|
415 | } |
---|
416 | |
---|
417 | @ParamAnnotation |
---|
418 | public ParamBuilder def(Object def) { |
---|
419 | this.def = def; |
---|
420 | return this; |
---|
421 | } |
---|
422 | |
---|
423 | |
---|
424 | public Param build(String line) throws Exception { |
---|
425 | String[] paramEntryValues = line.split(","); |
---|
426 | |
---|
427 | if (paramEntryValues.length == 0) { |
---|
428 | log.warn("field empty or wrong format (" + line |
---|
429 | + ") - omitting"); |
---|
430 | return null; |
---|
431 | } |
---|
432 | |
---|
433 | for (int i = 0; i < paramEntryValues.length; ++i) { |
---|
434 | paramEntryValues[i] = paramEntryValues[i].trim(); |
---|
435 | } |
---|
436 | |
---|
437 | try { |
---|
438 | id(paramEntryValues[0]); |
---|
439 | group(Integer.valueOf(paramEntryValues[1])); |
---|
440 | flags(Flags.read(paramEntryValues[2])); |
---|
441 | name(paramEntryValues[3]); |
---|
442 | type(paramEntryValues[4]); |
---|
443 | help(paramEntryValues[6]); |
---|
444 | } catch (IndexOutOfBoundsException e) { |
---|
445 | /** everything is ok, parameters have just finished*/ |
---|
446 | } catch (NumberFormatException ex) { |
---|
447 | log.warn("wrong format of entry: " + line |
---|
448 | + ", omitting"); |
---|
449 | return null; |
---|
450 | } |
---|
451 | return finish(); |
---|
452 | } |
---|
453 | |
---|
454 | public void setField(String key, String value) { |
---|
455 | switch (key) { |
---|
456 | case ID_FIELD: |
---|
457 | id(value); |
---|
458 | break; |
---|
459 | case NAME_FIELD: |
---|
460 | name(value); |
---|
461 | break; |
---|
462 | case TYPE_FIELD: |
---|
463 | type(value); |
---|
464 | break; |
---|
465 | case FLAGS_FIELD: |
---|
466 | flags(Flags.read(value)); |
---|
467 | break; |
---|
468 | case HELP_FIELD: |
---|
469 | help(value); |
---|
470 | break; |
---|
471 | case GROUP_FIELD: |
---|
472 | group(Integer.valueOf(value)); |
---|
473 | break; |
---|
474 | default: |
---|
475 | log.error("unknown field for Param: " + key); |
---|
476 | break; |
---|
477 | } |
---|
478 | } |
---|
479 | |
---|
480 | public ParamBuilder fillDef(Object def) { |
---|
481 | if (this.def == null) { |
---|
482 | return def(def); |
---|
483 | } |
---|
484 | return this; |
---|
485 | } |
---|
486 | |
---|
487 | public ParamBuilder fillStorageType(Class<?> storageType) { |
---|
488 | if (this.storageType == null) { |
---|
489 | this.storageType = storageType; |
---|
490 | } |
---|
491 | return this; |
---|
492 | } |
---|
493 | |
---|
494 | public Class<?> getStorageType() { |
---|
495 | return storageType; |
---|
496 | } |
---|
497 | |
---|
498 | public ParamBuilder forAccess(AccessInterface access) { |
---|
499 | return name(access.getId()).type("o " + access.getId()); |
---|
500 | } |
---|
501 | |
---|
502 | protected static ValueParam parseProcedureTypePart(String type, String name) { |
---|
503 | return Param.build().type(type).name(name).id(name).finish(ValueParam.class); |
---|
504 | } |
---|
505 | |
---|
506 | private static Pattern addressPattern = Pattern.compile("^([^\\(]+)?\\(([^\\)]*)\\)$"); |
---|
507 | |
---|
508 | public ParamBuilder signature(String signature) { |
---|
509 | argumentsType = new ArrayList<>(); |
---|
510 | |
---|
511 | if (!Strings.notEmpty(signature)) { |
---|
512 | resultType = null; |
---|
513 | return this; |
---|
514 | } |
---|
515 | Matcher matcher = addressPattern.matcher(signature); |
---|
516 | if (!matcher.matches()) { |
---|
517 | throw new FramsticksException().msg("invalid signature"); |
---|
518 | } |
---|
519 | String result = Strings.collapse(matcher.group(1)); |
---|
520 | if (result != null) { |
---|
521 | resultType = Param.build().type(result).finish(ValueParam.class); |
---|
522 | } else { |
---|
523 | resultType = null; |
---|
524 | } |
---|
525 | String arguments = matcher.group(2); |
---|
526 | if (!Strings.notEmpty(arguments)) { |
---|
527 | return this; |
---|
528 | } |
---|
529 | int number = 0; |
---|
530 | for (String a : arguments.split(",")) { |
---|
531 | ParamBuilder arg = Param.build(); |
---|
532 | |
---|
533 | int space = a.indexOf(' '); |
---|
534 | if (space == -1) { |
---|
535 | arg.type(a).id("arg" + number); |
---|
536 | } else { |
---|
537 | String name = a.substring(space + 1); |
---|
538 | arg.type(a.substring(0, space)).id(name).name(name); |
---|
539 | } |
---|
540 | argumentsType.add(arg.finish(ValueParam.class)); |
---|
541 | ++number; |
---|
542 | } |
---|
543 | return this; |
---|
544 | } |
---|
545 | |
---|
546 | |
---|
547 | public ParamBuilder idAndName(String name) { |
---|
548 | id(name); |
---|
549 | name(name); |
---|
550 | return this; |
---|
551 | } |
---|
552 | |
---|
553 | @Override |
---|
554 | public String toString() { |
---|
555 | return "ParamBuilder for " + Misc.returnNotNull(id, "<not yet known>"); |
---|
556 | } |
---|
557 | } |
---|
558 | |
---|