| 1 | package com.hammurapi.eventbus; |
| 2 | |
| 3 | import java.io.File; |
| 4 | import java.io.FileOutputStream; |
| 5 | import java.io.FileWriter; |
| 6 | import java.io.IOException; |
| 7 | import java.io.ObjectOutputStream; |
| 8 | import java.io.StringWriter; |
| 9 | import java.io.Writer; |
| 10 | import java.lang.reflect.Method; |
| 11 | import java.lang.reflect.ParameterizedType; |
| 12 | import java.lang.reflect.Type; |
| 13 | import java.lang.reflect.TypeVariable; |
| 14 | import java.util.ArrayList; |
| 15 | import java.util.Arrays; |
| 16 | import java.util.Collection; |
| 17 | import java.util.Collections; |
| 18 | import java.util.Comparator; |
| 19 | import java.util.HashMap; |
| 20 | import java.util.HashSet; |
| 21 | import java.util.Iterator; |
| 22 | import java.util.List; |
| 23 | import java.util.Locale; |
| 24 | import java.util.Map; |
| 25 | import java.util.Set; |
| 26 | |
| 27 | import org.apache.commons.lang.StringEscapeUtils; |
| 28 | import org.onemind.jxp.JxpContext; |
| 29 | import org.onemind.jxp.JxpPageSource; |
| 30 | import org.onemind.jxp.JxpProcessor; |
| 31 | import org.onemind.jxp.ResourceStreamPageSource; |
| 32 | |
| 33 | import com.hammurapi.common.Context; |
| 34 | import com.hammurapi.common.TokenExpander; |
| 35 | import com.hammurapi.common.TokenExpander.TokenSource; |
| 36 | import com.hammurapi.convert.AbstractReflectiveAtomicConvertersBundle; |
| 37 | import com.hammurapi.convert.ConverterMethod; |
| 38 | import com.hammurapi.convert.ConvertingService; |
| 39 | import com.hammurapi.eventbus.IntrospectorBase.IntrospectionResult; |
| 40 | import com.hammurapi.extract.BinaryExtractor; |
| 41 | import com.hammurapi.extract.ComparisonResult; |
| 42 | import com.hammurapi.extract.CompositePredicate; |
| 43 | import com.hammurapi.extract.Constant; |
| 44 | import com.hammurapi.extract.Equal; |
| 45 | import com.hammurapi.extract.Extractor; |
| 46 | import com.hammurapi.extract.False; |
| 47 | import com.hammurapi.extract.IndexedExtractor; |
| 48 | import com.hammurapi.extract.InstanceOfPredicate; |
| 49 | import com.hammurapi.extract.MappedExtractor; |
| 50 | import com.hammurapi.extract.Not; |
| 51 | import com.hammurapi.extract.NotEqual; |
| 52 | import com.hammurapi.extract.Predicate; |
| 53 | import com.hammurapi.extract.True; |
| 54 | import com.hammurapi.extract.java.JavaExtractor; |
| 55 | import com.hammurapi.render.RenderingException; |
| 56 | import com.hammurapi.render.WriterRenderer; |
| 57 | |
| 58 | /** |
| 59 | * This class generates source code for Java binding class. |
| 60 | * By default binder classes are put to the same package as handler classes and have postfix ''JavaBinder''. |
| 61 | * This behavior can be changed by subclassing the compiler. The class keeps track of generated predicate |
| 62 | * classes and attempts to reuse them. |
| 63 | * |
| 64 | * @author Pavel Vlasov |
| 65 | * |
| 66 | */ |
| 67 | public class JavaBinderCompiler { |
| 68 | |
| 69 | protected static final String BINDER_CLASS_PACKAGE = "binderClassPackage"; |
| 70 | private static final String JAVA_INLINE = "java_inline"; |
| 71 | private static final String JAVA = "java"; |
| 72 | private static final String BIND_HELPER = "bindHelper"; |
| 73 | |
| 74 | private class EventDispatchContextDescriptor { |
| 75 | |
| 76 | private Class<EventDispatchContext> contextClass; |
| 77 | private _Type[] contextTypeParameters; |
| 78 | |
| 79 | public EventDispatchContextDescriptor(Class<EventDispatchContext> contextClass, _Type[] eventBusTypeParameters) { |
| 80 | this.contextClass = contextClass; |
| 81 | |
| 82 | TypeVariable<Class<EventDispatchContext>>[] cctp = EventDispatchContext.class.getTypeParameters(); |
| 83 | contextTypeParameters = new _Type[cctp.length]; |
| 84 | for (int i=0; i< cctp.length; ++i) { |
| 85 | contextTypeParameters[i] = _Type.createType(cctp[i]); |
| 86 | } |
| 87 | |
| 88 | List<List<PathEntry>> iPaths = inheritancePaths(contextClass, EventDispatchContext.class); |
| 89 | Collections.sort(iPaths, new Comparator<List<PathEntry>>() { |
| 90 | |
| 91 | @Override |
| 92 | public int compare(List<PathEntry> o1, List<PathEntry> o2) { |
| 93 | int sizeDelta = o1.size() - o2.size(); |
| 94 | if (sizeDelta!=0) { |
| 95 | return sizeDelta; |
| 96 | } |
| 97 | return o1.hashCode() - o2.hashCode(); |
| 98 | } |
| 99 | }); |
| 100 | for (List<PathEntry> path: iPaths) { |
| 101 | for (PathEntry pe: path) { |
| 102 | pe.bind(contextTypeParameters); |
| 103 | } |
| 104 | break; |
| 105 | } |
| 106 | |
| 107 | for (int i=0; i<contextTypeParameters.length; ++i) { |
| 108 | bind(contextTypeParameters, i, new _TypeVariable("E"), eventBusTypeParameters[0]); |
| 109 | bind(contextTypeParameters, i, new _TypeVariable("P"), eventBusTypeParameters[1]); |
| 110 | bind(contextTypeParameters, i, new _TypeVariable("C"), eventBusTypeParameters[2]); |
| 111 | bind(contextTypeParameters, i, new _TypeVariable("K"), eventBusTypeParameters[3]); |
| 112 | bind(contextTypeParameters, i, new _TypeVariable("H"), eventBusTypeParameters[4]); |
| 113 | bind(contextTypeParameters, i, new _TypeVariable("S"), eventBusTypeParameters[5]); |
| 114 | } |
| 115 | |
| 116 | } |
| 117 | |
| 118 | private void bind(_Type[] contextTypeParameters, int i, _TypeVariable from, _Type to) { |
| 119 | if (from.equals(contextTypeParameters[i])) { |
| 120 | contextTypeParameters[i] = to; |
| 121 | } else { |
| 122 | contextTypeParameters[i].bind(from, to); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | public String getType() { |
| 127 | _Class cls = new _Class(contextClass); |
| 128 | cls.bind(new _TypeVariable("E"), contextTypeParameters[0]); |
| 129 | cls.bind(new _TypeVariable("P"), contextTypeParameters[1]); |
| 130 | cls.bind(new _TypeVariable("C"), contextTypeParameters[2]); |
| 131 | cls.bind(new _TypeVariable("H"), contextTypeParameters[3]); |
| 132 | cls.bind(new _TypeVariable("S"), contextTypeParameters[4]); |
| 133 | |
| 134 | return cls.toJavaDeclaration(); |
| 135 | } |
| 136 | |
| 137 | public String getEventType() { |
| 138 | return contextTypeParameters[0].toJavaDeclaration(); |
| 139 | } |
| 140 | |
| 141 | public String getStoreType() { |
| 142 | return contextTypeParameters[4].toJavaDeclaration(); |
| 143 | } |
| 144 | |
| 145 | public boolean isJoin() { |
| 146 | return EventDispatchJoinContext.class.isAssignableFrom(contextClass); |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | private class BindMethod<E, HC> { |
| 151 | |
| 152 | private IntrospectionResult<E, HC> ir; |
| 153 | private String name; |
| 154 | private EventDispatchContextDescriptor eventDispatchContextDescriptor; |
| 155 | private Class<E> busEventType; |
| 156 | private Map<String, Object> renderingEnvironment; |
| 157 | |
| 158 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
| 159 | BindMethod(String name, IntrospectionResult<E, HC> ir, Class<E> busEventType, _Type[] typeParameters, Map<String, Object> renderingEnvironment) { |
| 160 | this.ir = ir; |
| 161 | this.name = name; |
| 162 | Class<?> firstParameterType = ir.getMethod().getParameterTypes()[0]; |
| 163 | if (ir.getOffset()==1 |
| 164 | && EventDispatchContext.class.isAssignableFrom(firstParameterType) |
| 165 | && !(EventDispatchContext.class.equals(firstParameterType)) || EventDispatchJoinContext.class.equals(firstParameterType)) { |
| 166 | |
| 167 | eventDispatchContextDescriptor = new EventDispatchContextDescriptor((Class<EventDispatchContext>) firstParameterType, typeParameters); |
| 168 | } |
| 169 | this.busEventType = busEventType; |
| 170 | this.renderingEnvironment = renderingEnvironment; |
| 171 | } |
| 172 | |
| 173 | public String getName() { |
| 174 | return name; |
| 175 | } |
| 176 | |
| 177 | public String getParameterTypeCast(int pIdx) { |
| 178 | Class<E> parameterType = ir.getParameterTypes()[pIdx]; |
| 179 | if (parameterType.isAssignableFrom(busEventType)) { |
| 180 | return ""; |
| 181 | } |
| 182 | |
| 183 | if (parameterType.isPrimitive()) { |
| 184 | if (boolean.class.equals(parameterType)) { |
| 185 | return "("+Boolean.class.getName()+")"; |
| 186 | } else if (char.class.equals(parameterType)) { |
| 187 | return "("+Character.class.getName()+")"; |
| 188 | } else if (byte.class.equals(parameterType)) { |
| 189 | return "("+Byte.class.getName()+")"; |
| 190 | } else if (short.class.equals(parameterType)) { |
| 191 | return "("+Short.class.getName()+")"; |
| 192 | } else if (int.class.equals(parameterType)) { |
| 193 | return "("+Integer.class.getName()+")"; |
| 194 | } else if (long.class.equals(parameterType)) { |
| 195 | return "("+Long.class.getName()+")"; |
| 196 | } else if (float.class.equals(parameterType)) { |
| 197 | return "("+Float.class.getName()+")"; |
| 198 | } else if (double.class.equals(parameterType)) { |
| 199 | return "("+Double.class.getName()+")"; |
| 200 | } else if (void.class.equals(parameterType)) { |
| 201 | throw new IllegalArgumentException("Parameter type cannot be void"); |
| 202 | } |
| 203 | } |
| 204 | return "("+parameterType.getName()+")"; |
| 205 | } |
| 206 | |
| 207 | public Method getMethod() { |
| 208 | return ir.getMethod(); |
| 209 | } |
| 210 | |
| 211 | public boolean isVoid() { |
| 212 | return void.class.equals(getMethod().getReturnType()); |
| 213 | } |
| 214 | |
| 215 | public Predicate<E, HC>[] getPredicates() { |
| 216 | return ir.getPredicates(); |
| 217 | } |
| 218 | |
| 219 | public String inlinePredicate(int pIdx) throws Exception { |
| 220 | WriterRenderer renderer = ConvertingService.convert(ir.getPredicates()[pIdx], WriterRenderer.class); |
| 221 | if (renderer==null) { |
| 222 | throw new EventBusException("Cannot compile predicate "+ir.getPredicates()[pIdx].getClass().getName()); |
| 223 | } |
| 224 | |
| 225 | StringWriter sw = new StringWriter(); |
| 226 | if (renderer.render(sw, renderingEnvironment, Context.INSTANCE, JAVA_INLINE, null, outputDir)) { |
| 227 | sw.close(); |
| 228 | return sw.toString(); |
| 229 | } |
| 230 | throw new EventBusException("Cannot compile predicate "+ir.getPredicates()[pIdx].getClass().getName()); |
| 231 | } |
| 232 | |
| 233 | public int getOffset() { |
| 234 | return ir.getOffset(); |
| 235 | } |
| 236 | |
| 237 | public Class<E>[] getParameterTypes() { |
| 238 | return ir.getParameterTypes(); |
| 239 | } |
| 240 | |
| 241 | public Handler getHandlerAnnotation() { |
| 242 | return ir.getHandlerAnnotation(); |
| 243 | } |
| 244 | |
| 245 | public EventDispatchContextDescriptor getEventDispatchContext() { |
| 246 | return eventDispatchContextDescriptor; |
| 247 | } |
| 248 | |
| 249 | } |
| 250 | |
| 251 | public static class JavaExtractorEntry { |
| 252 | |
| 253 | private JavaExtractor javaExtractor; |
| 254 | private String packageName; |
| 255 | private String className; |
| 256 | |
| 257 | JavaExtractorEntry(JavaExtractor javaExtractor, String packageName, String className) { |
| 258 | super(); |
| 259 | this.javaExtractor = javaExtractor; |
| 260 | this.packageName = packageName; |
| 261 | this.className = className; |
| 262 | } |
| 263 | |
| 264 | JavaExtractor getJavaExtractor() { |
| 265 | return javaExtractor; |
| 266 | } |
| 267 | |
| 268 | String getPackageName() { |
| 269 | return packageName; |
| 270 | } |
| 271 | |
| 272 | String getClassName() { |
| 273 | return className; |
| 274 | } |
| 275 | |
| 276 | } |
| 277 | |
| 278 | private class BindHelper<E, HC> { |
| 279 | |
| 280 | private Collection<BindMethod<E,HC>> bindMethods = new ArrayList<JavaBinderCompiler.BindMethod<E,HC>>(); |
| 281 | private Collection<JavaExtractorEntry> javaExtractorEntries; |
| 282 | private Class<?> contextType; |
| 283 | |
| 284 | BindHelper( |
| 285 | Collection<IntrospectionResult<E, HC>> irc, |
| 286 | Class<E> busEventType, |
| 287 | _Type[] typeParameters, |
| 288 | Collection<JavaExtractorEntry> javaExtractorEntries, |
| 289 | String binderClassPackage) { |
| 290 | |
| 291 | Set<String> usedNames = new HashSet<String>(); |
| 292 | for (IntrospectionResult<E, HC> ir: irc) { |
| 293 | String name = ir.getMethod().getName(); |
| 294 | for (int i=0; usedNames.contains(name); ++i) { |
| 295 | name = ir.getMethod().getName()+i; |
| 296 | } |
| 297 | usedNames.add(name); |
| 298 | Map<String, Object> renderingEnvironment = new HashMap<String, Object>(); |
| 299 | renderingEnvironment.put(BIND_HELPER, this); |
| 300 | renderingEnvironment.put(BINDER_CLASS_PACKAGE, binderClassPackage); |
| 301 | bindMethods.add(new BindMethod<E, HC>(name, ir, busEventType, typeParameters, renderingEnvironment)); |
| 302 | } |
| 303 | this.javaExtractorEntries = javaExtractorEntries; |
| 304 | this.contextType = ((_Class) typeParameters[2]).clazz; |
| 305 | } |
| 306 | |
| 307 | public Collection<BindMethod<E,HC>> getBindMethods() { |
| 308 | return bindMethods; |
| 309 | } |
| 310 | |
| 311 | public Collection<JavaExtractorEntry> getJavaExtractorEntries() { |
| 312 | return javaExtractorEntries; |
| 313 | } |
| 314 | |
| 315 | public Class<?> getContextType() { |
| 316 | return contextType; |
| 317 | } |
| 318 | |
| 319 | } |
| 320 | |
| 321 | private File outputDir; |
| 322 | private ArrayList<JavaExtractorEntry> javaExtractorEntries = new ArrayList<JavaExtractorEntry>(); |
| 323 | |
| 324 | public JavaBinderCompiler(File outputDir) { |
| 325 | this.outputDir = outputDir; |
| 326 | } |
| 327 | |
| 328 | public <E, C, HC extends C, BC extends EventBus<E, ?, C, ?, ?, ?>> void compileJavaBinder(Class<HC> handlerClass, Class<BC> busClass, ClassLoader classLoader, TokenExpander tokenExpander) { |
| 329 | |
| 330 | try { |
| 331 | Map<String, Object> environment = new HashMap<String, Object>(); |
| 332 | environment.put(BINDER_CLASS_PACKAGE, getBinderClassPackage(handlerClass)); |
| 333 | environment.put("binderClassName", getBinderClassName(handlerClass)); |
| 334 | environment.put("binderClassComment", "Binds handler class "+handlerClass.getName()+" to event bus "+busClass.getName()); |
| 335 | |
| 336 | TypeVariable<Class<EventBus>>[] ebtp = EventBus.class.getTypeParameters(); |
| 337 | _Type[] eventBusTypeParameters = new _Type[ebtp.length]; |
| 338 | for (int i=0; i< ebtp.length; ++i) { |
| 339 | eventBusTypeParameters[i] = _Type.createType(ebtp[i]); |
| 340 | } |
| 341 | |
| 342 | List<List<PathEntry>> iPaths = inheritancePaths(busClass, EventBus.class); |
| 343 | Collections.sort(iPaths, new Comparator<List<PathEntry>>() { |
| 344 | |
| 345 | @Override |
| 346 | public int compare(List<PathEntry> o1, List<PathEntry> o2) { |
| 347 | int sizeDelta = o1.size() - o2.size(); |
| 348 | if (sizeDelta!=0) { |
| 349 | return sizeDelta; |
| 350 | } |
| 351 | return o1.hashCode() - o2.hashCode(); |
| 352 | } |
| 353 | }); |
| 354 | for (List<PathEntry> path: iPaths) { |
| 355 | for (PathEntry pe: path) { |
| 356 | pe.bind(eventBusTypeParameters); |
| 357 | } |
| 358 | break; |
| 359 | } |
| 360 | |
| 361 | _Type pType = eventBusTypeParameters[1]; |
| 362 | if (pType instanceof _TypeVariable) { |
| 363 | _Class to = new _Class(Integer.class); |
| 364 | for (int i=0; i<eventBusTypeParameters.length; ++i) { |
| 365 | if (pType.equals(eventBusTypeParameters[i])) { |
| 366 | eventBusTypeParameters[i] = to; |
| 367 | } else { |
| 368 | eventBusTypeParameters[i].bind((_TypeVariable) pType, to); |
| 369 | } |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | Class<E> busEventType; |
| 374 | if (eventBusTypeParameters[0] instanceof _TypeVariable) { |
| 375 | busEventType = (Class<E>) Object.class; |
| 376 | _Type eType = eventBusTypeParameters[0]; |
| 377 | _Class to = new _Class(busEventType); |
| 378 | for (int i=0; i<eventBusTypeParameters.length; ++i) { |
| 379 | if (eType.equals(eventBusTypeParameters[i])) { |
| 380 | eventBusTypeParameters[i] = to; |
| 381 | } else { |
| 382 | eventBusTypeParameters[i].bind((_TypeVariable) eType, to); |
| 383 | } |
| 384 | } |
| 385 | } else if (eventBusTypeParameters[0] instanceof _Class) { |
| 386 | busEventType = (Class<E>) ((_Class) eventBusTypeParameters[0]).clazz; |
| 387 | } else if (eventBusTypeParameters[0] instanceof _ParameterizedType) { |
| 388 | busEventType = (Class<E>) ((_ParameterizedType) eventBusTypeParameters[0]).rawType; |
| 389 | } else { |
| 390 | throw new EventBusException("Unexpected type: "+eventBusTypeParameters[0]); |
| 391 | } |
| 392 | |
| 393 | if (eventBusTypeParameters[2] instanceof _TypeVariable) { |
| 394 | _Type eType = eventBusTypeParameters[2]; |
| 395 | _Class to = new _Class(Object.class); |
| 396 | for (int i=0; i<eventBusTypeParameters.length; ++i) { |
| 397 | if (eType.equals(eventBusTypeParameters[i])) { |
| 398 | eventBusTypeParameters[i] = to; |
| 399 | } else { |
| 400 | eventBusTypeParameters[i].bind((_TypeVariable) eType, to); |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | environment.put("E", eventBusTypeParameters[0].toJavaDeclaration()); |
| 406 | environment.put("P", eventBusTypeParameters[1].toJavaDeclaration()); |
| 407 | environment.put("C", eventBusTypeParameters[2].toJavaDeclaration()); |
| 408 | environment.put("K", eventBusTypeParameters[3].toJavaDeclaration()); |
| 409 | environment.put("H", eventBusTypeParameters[4].toJavaDeclaration()); |
| 410 | environment.put("S", eventBusTypeParameters[5].toJavaDeclaration()); |
| 411 | |
| 412 | List<String> genericParameters = new ArrayList<String>(); |
| 413 | for (int i=0; i<eventBusTypeParameters.length; ++i) { |
| 414 | if (eventBusTypeParameters[i] instanceof _TypeVariable) { |
| 415 | genericParameters.add(eventBusTypeParameters[i].toJavaDeclaration()); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | if (genericParameters.isEmpty()) { |
| 420 | environment.put("genericParameters", ""); |
| 421 | } else { |
| 422 | StringBuilder sb = new StringBuilder("<"); |
| 423 | Iterator<String> gpit = genericParameters.iterator(); |
| 424 | while (gpit.hasNext()) { |
| 425 | sb.append(gpit.next()); |
| 426 | if (gpit.hasNext()) { |
| 427 | sb.append(", "); |
| 428 | } |
| 429 | } |
| 430 | sb.append(">"); |
| 431 | environment.put("genericParameters", sb.toString()); |
| 432 | } |
| 433 | |
| 434 | environment.put("B", toJavaDeclaration(busClass, eventBusTypeParameters)); |
| 435 | environment.put("I", toJavaDeclaration(handlerClass, eventBusTypeParameters)); |
| 436 | |
| 437 | IntrospectorBase<E,HC> introspector = new IntrospectorBase<E, HC>(classLoader, tokenExpander); |
| 438 | |
| 439 | environment.put("bindHelper", new BindHelper<E, HC>(introspector.introspect(handlerClass, busEventType), busEventType, eventBusTypeParameters, javaExtractorEntries, getBinderClassPackage(handlerClass))); |
| 440 | |
| 441 | String prefix = getClass().getPackage().getName().replace('.', '/'); |
| 442 | JxpPageSource pageSource = new ResourceStreamPageSource("/"+prefix); |
| 443 | JxpContext context = new JxpContext(pageSource); |
| 444 | JxpProcessor processor = new JxpProcessor(context); |
| 445 | |
| 446 | File packageDir = new File(outputDir, getBinderClassPackage(handlerClass).replace('.', File.separatorChar)); |
| 447 | packageDir.mkdirs(); |
| 448 | File outputFile = new File(packageDir, getBinderClassName(handlerClass)+".java"); |
| 449 | Writer writer = new FileWriter(outputFile); |
| 450 | try { |
| 451 | processor.process("JavaBinder.jxp", writer, environment); |
| 452 | } finally { |
| 453 | writer.close(); |
| 454 | } |
| 455 | } catch (Exception e) { |
| 456 | throw new EventBusException(e); |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | private String toJavaDeclaration(Class<?> clazz, _Type[] typeParameters) { |
| 461 | _Class cls = new _Class(clazz); |
| 462 | cls.bind(new _TypeVariable("E"), typeParameters[0]); |
| 463 | cls.bind(new _TypeVariable("P"), typeParameters[1]); |
| 464 | cls.bind(new _TypeVariable("C"), typeParameters[2]); |
| 465 | cls.bind(new _TypeVariable("K"), typeParameters[3]); |
| 466 | cls.bind(new _TypeVariable("H"), typeParameters[4]); |
| 467 | cls.bind(new _TypeVariable("S"), typeParameters[5]); |
| 468 | |
| 469 | return cls.toJavaDeclaration(); |
| 470 | } |
| 471 | |
| 472 | protected String getBinderClassPackage(Class<?> handlerClass) { |
| 473 | return handlerClass.getPackage().getName(); |
| 474 | } |
| 475 | |
| 476 | protected String getBinderClassName(Class<?> handlerClass) { |
| 477 | int idx = handlerClass.getName().lastIndexOf('.'); |
| 478 | return (idx==-1 ? handlerClass.getName() : handlerClass.getName().substring(idx+1))+"JavaBinder"; |
| 479 | } |
| 480 | |
| 481 | private static abstract class _Type { |
| 482 | |
| 483 | abstract void bind(_TypeVariable from, _Type to); |
| 484 | |
| 485 | abstract String toJavaDeclaration(); |
| 486 | |
| 487 | static _Type createType(Type rType) { |
| 488 | if (rType instanceof TypeVariable<?>) { |
| 489 | return new _TypeVariable((TypeVariable<?>) rType); |
| 490 | } |
| 491 | |
| 492 | if (rType instanceof ParameterizedType) { |
| 493 | return new _ParameterizedType((ParameterizedType) rType); |
| 494 | } |
| 495 | |
| 496 | if (rType instanceof Class) { |
| 497 | return new _Class((Class) rType); |
| 498 | } |
| 499 | throw new UnsupportedOperationException(); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | private static class _Class extends _Type { |
| 504 | |
| 505 | private Class<?> clazz; |
| 506 | |
| 507 | public _Class(Class<?> clazz) { |
| 508 | this.clazz = clazz; |
| 509 | TypeVariable<?>[] ctp = clazz.getTypeParameters(); |
| 510 | this.typeParameters = new _Type[ctp.length]; |
| 511 | for (int i=0; i<ctp.length; ++i) { |
| 512 | typeParameters[i] = _Type.createType(ctp[i]); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | @Override |
| 517 | public String toString() { |
| 518 | return "_Class [clazz=" + clazz + "]"; |
| 519 | } |
| 520 | |
| 521 | _Type[] typeParameters; |
| 522 | |
| 523 | @Override |
| 524 | void bind(_TypeVariable from, _Type to) { |
| 525 | for (int i=0; i<typeParameters.length; ++i) { |
| 526 | if (from.equals(typeParameters[i])) { |
| 527 | typeParameters[i] = to; |
| 528 | } else { |
| 529 | typeParameters[i].bind(from, to); |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | @Override |
| 535 | String toJavaDeclaration() { |
| 536 | StringBuilder sb = new StringBuilder(((Class) clazz).getCanonicalName()); |
| 537 | if (typeParameters.length>0) { |
| 538 | sb.append("<"); |
| 539 | for (int i=0; i<typeParameters.length; ++i) { |
| 540 | if (i>0) { |
| 541 | sb.append(", "); |
| 542 | } |
| 543 | sb.append(typeParameters[i].toJavaDeclaration()); |
| 544 | } |
| 545 | sb.append(">"); |
| 546 | } |
| 547 | return sb.toString(); |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | private static class _TypeVariable extends _Type { |
| 552 | private String name; |
| 553 | |
| 554 | public _TypeVariable(TypeVariable<?> rTypeVariable) { |
| 555 | super(); |
| 556 | this.name = rTypeVariable.getName(); |
| 557 | } |
| 558 | |
| 559 | public _TypeVariable(String name) { |
| 560 | super(); |
| 561 | this.name = name; |
| 562 | } |
| 563 | |
| 564 | @Override |
| 565 | public int hashCode() { |
| 566 | final int prime = 31; |
| 567 | int result = 1; |
| 568 | result = prime * result + ((name == null) ? 0 : name.hashCode()); |
| 569 | return result; |
| 570 | } |
| 571 | |
| 572 | @Override |
| 573 | public String toString() { |
| 574 | return "_TypeVariable [name=" + name + "]"; |
| 575 | } |
| 576 | |
| 577 | @Override |
| 578 | public boolean equals(Object obj) { |
| 579 | if (this == obj) |
| 580 | return true; |
| 581 | if (obj == null) |
| 582 | return false; |
| 583 | if (getClass() != obj.getClass()) |
| 584 | return false; |
| 585 | _TypeVariable other = (_TypeVariable) obj; |
| 586 | if (name == null) { |
| 587 | if (other.name != null) |
| 588 | return false; |
| 589 | } else if (!name.equals(other.name)) |
| 590 | return false; |
| 591 | return true; |
| 592 | } |
| 593 | |
| 594 | public String getName() { |
| 595 | return name; |
| 596 | } |
| 597 | |
| 598 | public void setName(String name) { |
| 599 | this.name = name; |
| 600 | } |
| 601 | |
| 602 | @Override |
| 603 | void bind(_TypeVariable from, _Type to) { |
| 604 | if (from.getName().equals(name)) { |
| 605 | if (to instanceof _TypeVariable) { |
| 606 | name = ((_TypeVariable) to).name; |
| 607 | } else { |
| 608 | throw new UnsupportedOperationException(); |
| 609 | } |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | @Override |
| 614 | String toJavaDeclaration() { |
| 615 | return name; |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | private static class _ParameterizedType extends _Type { |
| 620 | Type rawType; |
| 621 | _Type[] actualTypeArguments; |
| 622 | |
| 623 | public _ParameterizedType(ParameterizedType pt) { |
| 624 | rawType = pt.getRawType(); |
| 625 | Type[] atp = pt.getActualTypeArguments(); |
| 626 | actualTypeArguments = new _Type[atp.length]; |
| 627 | for (int i=0; i<atp.length; ++i) { |
| 628 | actualTypeArguments[i]=_Type.createType(atp[i]); |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | @Override |
| 633 | void bind(_TypeVariable from, _Type to) { |
| 634 | for (int i=0; i<actualTypeArguments.length; ++i) { |
| 635 | if (from.equals(actualTypeArguments[i])) { |
| 636 | actualTypeArguments[i] = to; |
| 637 | } else { |
| 638 | actualTypeArguments[i].bind(from, to); |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | @Override |
| 644 | public String toString() { |
| 645 | return "_ParameterizedType [rawType=" + rawType |
| 646 | + ", actualTypeArguments=" |
| 647 | + Arrays.toString(actualTypeArguments) + "]"; |
| 648 | } |
| 649 | |
| 650 | @Override |
| 651 | String toJavaDeclaration() { |
| 652 | StringBuilder sb = new StringBuilder(((Class) rawType).getCanonicalName()); |
| 653 | sb.append("<"); |
| 654 | for (int i=0; i<actualTypeArguments.length; ++i) { |
| 655 | if (i>0) { |
| 656 | sb.append(", "); |
| 657 | } |
| 658 | sb.append(actualTypeArguments[i].toJavaDeclaration()); |
| 659 | } |
| 660 | sb.append(">"); |
| 661 | return sb.toString(); |
| 662 | } |
| 663 | |
| 664 | } |
| 665 | |
| 666 | private static class PathEntry { |
| 667 | Type sType; |
| 668 | Class<?> clazz; |
| 669 | public PathEntry(Type type, Class<?> clazz) { |
| 670 | super(); |
| 671 | if (clazz==null) { |
| 672 | throw new IllegalArgumentException(); |
| 673 | } |
| 674 | sType = type; |
| 675 | this.clazz = clazz; |
| 676 | } |
| 677 | |
| 678 | void bind(_Type[] typeParameters) { |
| 679 | TypeVariable<?>[] ctp = clazz.getTypeParameters(); |
| 680 | Type[] atp = ((ParameterizedType) sType).getActualTypeArguments(); |
| 681 | for (int i=0; i<ctp.length; ++i) { |
| 682 | _TypeVariable from = (_TypeVariable) _Type.createType(ctp[i]); |
| 683 | _Type to = _Type.createType(atp[i]); |
| 684 | for (int j=0; j<typeParameters.length; ++j) { |
| 685 | if (from.equals(typeParameters[j])) { |
| 686 | typeParameters[j] = to; |
| 687 | } else { |
| 688 | typeParameters[j].bind(from, to); |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | @Override |
| 695 | public String toString() { |
| 696 | TypeVariable<?>[] typeParameters = clazz.getTypeParameters(); |
| 697 | return "PathEntry[type = "+sType+", class = "+clazz+", type parameters = "+(typeParameters==null ? "(no type parameters)" : Arrays.toString(typeParameters))+"]"; |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | private static <S> List<List<PathEntry>> inheritancePaths(Class<? extends S> from, Class<S> to) { |
| 702 | List<List<PathEntry>> ret = new ArrayList<List<PathEntry>>(); |
| 703 | if (from.equals(to)) { |
| 704 | ret.add(new ArrayList<PathEntry>()); |
| 705 | } else if (to.isAssignableFrom(from)) { |
| 706 | Class<?> fromSuperClass = from.getSuperclass(); |
| 707 | if (fromSuperClass!=null) { |
| 708 | for (List<PathEntry> path: inheritancePaths((Class<? extends S>) fromSuperClass, to)) { |
| 709 | Type gsc = from.getGenericSuperclass(); |
| 710 | Class<? extends S> sc = (Class<? extends S>) from.getSuperclass(); |
| 711 | if (sc!=null) { |
| 712 | path.add(new PathEntry(gsc, sc)); |
| 713 | ret.add(path); |
| 714 | } |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | Type[] gi = from.getGenericInterfaces(); |
| 719 | Class[] si = from.getInterfaces(); |
| 720 | for (int i=0; i<gi.length; ++i) { |
| 721 | for (List<PathEntry> path: inheritancePaths((Class<? extends S>) si[i], to)) { |
| 722 | path.add(new PathEntry(gi[i], si[i])); |
| 723 | ret.add(path); |
| 724 | } |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | return ret; |
| 729 | } |
| 730 | |
| 731 | public static class ConvertersBundle extends AbstractReflectiveAtomicConvertersBundle { |
| 732 | |
| 733 | @ConverterMethod |
| 734 | public WriterRenderer toWriterRenderer(final CompositePredicate predicate) { |
| 735 | return new WriterRenderer() { |
| 736 | |
| 737 | @Override |
| 738 | public boolean render( |
| 739 | Writer out, |
| 740 | Map<String, Object> environment, |
| 741 | Context context, |
| 742 | String profile, |
| 743 | Locale locale, |
| 744 | File outputDir) throws RenderingException { |
| 745 | |
| 746 | if (!JAVA_INLINE.equals(profile)) { |
| 747 | return false; |
| 748 | } |
| 749 | |
| 750 | try { |
| 751 | out.write("new "+predicate.getClass().getCanonicalName()+"(0, null, "); |
| 752 | Iterator<Predicate> pit = predicate.getParts().iterator(); |
| 753 | while (pit.hasNext()) { |
| 754 | Predicate part = pit.next(); |
| 755 | WriterRenderer pwr = ConvertingService.convert(part, WriterRenderer.class); |
| 756 | if (pwr==null) { |
| 757 | throw new RenderingException("Cannot render "+part.getClass().getName()); |
| 758 | } |
| 759 | if (!pwr.render(out, environment, context, profile, locale, outputDir)) { |
| 760 | throw new RenderingException("Cannot render "+part.getClass().getName()); |
| 761 | } |
| 762 | if (pit.hasNext()) { |
| 763 | out.write(", "); |
| 764 | } |
| 765 | } |
| 766 | out.write(")"); |
| 767 | } catch (IOException e) { |
| 768 | throw new RenderingException(e); |
| 769 | } |
| 770 | |
| 771 | return true; |
| 772 | } |
| 773 | }; |
| 774 | } |
| 775 | |
| 776 | @ConverterMethod |
| 777 | public WriterRenderer toWriterRenderer(final BinaryExtractor extractor) { |
| 778 | return new WriterRenderer() { |
| 779 | |
| 780 | @Override |
| 781 | public boolean render( |
| 782 | Writer out, |
| 783 | Map<String, Object> environment, |
| 784 | Context context, |
| 785 | String profile, |
| 786 | Locale locale, |
| 787 | File outputDir) throws RenderingException { |
| 788 | |
| 789 | if (!JAVA_INLINE.equals(profile)) { |
| 790 | return false; |
| 791 | } |
| 792 | |
| 793 | try { |
| 794 | out.write("new "+extractor.getClass().getCanonicalName()+"(0, null, "); |
| 795 | Extractor leftExtractor = extractor.getLeftExtractor(); |
| 796 | WriterRenderer lwr = ConvertingService.convert(leftExtractor, WriterRenderer.class); |
| 797 | if (lwr==null) { |
| 798 | throw new RenderingException("Cannot render "+leftExtractor.getClass().getName()); |
| 799 | } |
| 800 | if (!lwr.render(out, environment, context, profile, locale, outputDir)) { |
| 801 | throw new RenderingException("Cannot render "+leftExtractor.getClass().getName()); |
| 802 | } |
| 803 | out.write(", "); |
| 804 | Extractor rightExtractor = extractor.getRightExtractor(); |
| 805 | WriterRenderer rwr = ConvertingService.convert(rightExtractor, WriterRenderer.class); |
| 806 | if (rwr==null) { |
| 807 | throw new RenderingException("Cannot render "+rightExtractor.getClass().getName()); |
| 808 | } |
| 809 | if (!rwr.render(out, environment, context, profile, locale, outputDir)) { |
| 810 | throw new RenderingException("Cannot render "+rightExtractor.getClass().getName()); |
| 811 | } |
| 812 | |
| 813 | if (extractor instanceof Equal) { |
| 814 | out.write(", " + ((Equal) extractor).isIdentity()); |
| 815 | } else if (extractor instanceof NotEqual) { |
| 816 | out.write(", " + ((NotEqual) extractor).isIdentity()); |
| 817 | } |
| 818 | |
| 819 | out.write(")"); |
| 820 | } catch (IOException e) { |
| 821 | throw new RenderingException(e); |
| 822 | } |
| 823 | |
| 824 | return true; |
| 825 | } |
| 826 | }; |
| 827 | } |
| 828 | |
| 829 | @ConverterMethod |
| 830 | public WriterRenderer toWriterRenderer(final Constant extractor) { |
| 831 | return new WriterRenderer() { |
| 832 | |
| 833 | @Override |
| 834 | public boolean render( |
| 835 | Writer out, |
| 836 | Map<String, Object> environment, |
| 837 | Context context, |
| 838 | String profile, |
| 839 | Locale locale, |
| 840 | File outputDir) throws RenderingException { |
| 841 | |
| 842 | if (!JAVA_INLINE.equals(profile)) { |
| 843 | return false; |
| 844 | } |
| 845 | |
| 846 | try { |
| 847 | out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 848 | if (extractor.getValue() == null) { |
| 849 | out.write("null"); |
| 850 | } else if (extractor.getValue() instanceof String) { |
| 851 | out.write("\""); |
| 852 | out.write(StringEscapeUtils.escapeJava(extractor.getValue().toString())); |
| 853 | out.write("\""); |
| 854 | } else if (extractor.getValue() instanceof Character) { |
| 855 | out.write("\'"); |
| 856 | out.write(StringEscapeUtils.escapeJava(extractor.getValue().toString())); |
| 857 | out.write("\'"); |
| 858 | } else { |
| 859 | out.write("("+extractor.getValue().getClass().getCanonicalName()+") "); |
| 860 | out.write(String.valueOf(extractor.getValue())); |
| 861 | } |
| 862 | out.write(")"); |
| 863 | } catch (IOException e) { |
| 864 | throw new RenderingException(e); |
| 865 | } |
| 866 | |
| 867 | return true; |
| 868 | } |
| 869 | }; |
| 870 | } |
| 871 | |
| 872 | @ConverterMethod |
| 873 | public WriterRenderer toWriterRenderer(final False extractor) { |
| 874 | return new WriterRenderer() { |
| 875 | |
| 876 | @Override |
| 877 | public boolean render( |
| 878 | Writer out, |
| 879 | Map<String, Object> environment, |
| 880 | Context context, |
| 881 | String profile, |
| 882 | Locale locale, |
| 883 | File outputDir) throws RenderingException { |
| 884 | |
| 885 | if (!JAVA_INLINE.equals(profile)) { |
| 886 | return false; |
| 887 | } |
| 888 | |
| 889 | try { |
| 890 | out.write(False.class.getCanonicalName()+".getInstance()"); |
| 891 | } catch (IOException e) { |
| 892 | throw new RenderingException(e); |
| 893 | } |
| 894 | |
| 895 | return true; |
| 896 | } |
| 897 | }; |
| 898 | } |
| 899 | |
| 900 | @ConverterMethod |
| 901 | public WriterRenderer toWriterRenderer(final IndexedExtractor extractor) { |
| 902 | return new WriterRenderer() { |
| 903 | |
| 904 | @Override |
| 905 | public boolean render( |
| 906 | Writer out, |
| 907 | Map<String, Object> environment, |
| 908 | Context context, |
| 909 | String profile, |
| 910 | Locale locale, |
| 911 | File outputDir) throws RenderingException { |
| 912 | |
| 913 | if (!JAVA_INLINE.equals(profile)) { |
| 914 | return false; |
| 915 | } |
| 916 | |
| 917 | try { |
| 918 | out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 919 | out.write(String.valueOf(extractor.getIndex())); |
| 920 | out.write(")"); |
| 921 | } catch (IOException e) { |
| 922 | throw new RenderingException(e); |
| 923 | } |
| 924 | |
| 925 | return true; |
| 926 | } |
| 927 | }; |
| 928 | } |
| 929 | |
| 930 | @ConverterMethod |
| 931 | public WriterRenderer toWriterRenderer(final InstanceOfPredicate extractor) { |
| 932 | return new WriterRenderer() { |
| 933 | |
| 934 | @Override |
| 935 | public boolean render( |
| 936 | Writer out, |
| 937 | Map<String, Object> environment, |
| 938 | Context context, |
| 939 | String profile, |
| 940 | Locale locale, |
| 941 | File outputDir) throws RenderingException { |
| 942 | |
| 943 | if (!JAVA_INLINE.equals(profile)) { |
| 944 | return false; |
| 945 | } |
| 946 | |
| 947 | try { |
| 948 | out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 949 | WriterRenderer er = ConvertingService.convert(extractor.getExtractor(), WriterRenderer.class); |
| 950 | if (er==null) { |
| 951 | throw new RenderingException("Cannot render "+extractor.getExtractor().getClass().getName()); |
| 952 | } |
| 953 | if (!er.render(out, environment, context, profile, locale, outputDir)) { |
| 954 | throw new RenderingException("Cannot render "+extractor.getExtractor().getClass().getName()); |
| 955 | } |
| 956 | out.write(", "); |
| 957 | out.write(extractor.getInstanceType().getName()+".class"); |
| 958 | out.write(")"); |
| 959 | } catch (IOException e) { |
| 960 | throw new RenderingException(e); |
| 961 | } |
| 962 | |
| 963 | return true; |
| 964 | } |
| 965 | }; |
| 966 | } |
| 967 | |
| 968 | @ConverterMethod |
| 969 | public WriterRenderer toWriterRenderer(final MappedExtractor extractor) { |
| 970 | return new WriterRenderer() { |
| 971 | |
| 972 | @Override |
| 973 | public boolean render( |
| 974 | Writer out, |
| 975 | Map<String, Object> environment, |
| 976 | Context context, |
| 977 | String profile, |
| 978 | Locale locale, |
| 979 | File outputDir) throws RenderingException { |
| 980 | |
| 981 | if (!JAVA_INLINE.equals(profile)) { |
| 982 | return false; |
| 983 | } |
| 984 | |
| 985 | try { |
| 986 | out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 987 | WriterRenderer ewr = ConvertingService.convert(extractor.getTarget(), WriterRenderer.class); |
| 988 | if (ewr==null) { |
| 989 | throw new RenderingException("Cannot render "+extractor.getTarget().getClass().getName()); |
| 990 | } |
| 991 | if (!ewr.render(out, environment, context, profile, locale, outputDir)) { |
| 992 | throw new RenderingException("Cannot render "+extractor.getTarget().getClass().getName()); |
| 993 | } |
| 994 | |
| 995 | out.write(", new int[] {"); |
| 996 | int[] map = extractor.getMap(); |
| 997 | for (int i=0; i<map.length; ++i) { |
| 998 | if (i>0) { |
| 999 | out.write(", "); |
| 1000 | } |
| 1001 | out.write(String.valueOf(map[i])); |
| 1002 | } |
| 1003 | |
| 1004 | out.write("})"); |
| 1005 | } catch (IOException e) { |
| 1006 | throw new RenderingException(e); |
| 1007 | } |
| 1008 | |
| 1009 | return true; |
| 1010 | } |
| 1011 | }; |
| 1012 | } |
| 1013 | |
| 1014 | // @ConverterMethod |
| 1015 | // public WriterRenderer toWriterRenderer(final MethodExtractor extractor) { |
| 1016 | // return new WriterRenderer() { |
| 1017 | // |
| 1018 | // @Override |
| 1019 | // public boolean render( |
| 1020 | // Writer out, |
| 1021 | // Map<String, Object> environment, |
| 1022 | // Context context, |
| 1023 | // String profile, |
| 1024 | // Locale locale, |
| 1025 | // File outputDir) throws RenderingException { |
| 1026 | // |
| 1027 | // if (!JAVA_INLINE.equals(profile)) { |
| 1028 | // return false; |
| 1029 | // } |
| 1030 | // |
| 1031 | // try { |
| 1032 | // out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 1033 | // |
| 1034 | // out.write("777~~~Not implemented~~~777"); |
| 1035 | // |
| 1036 | // out.write(")"); |
| 1037 | // } catch (IOException e) { |
| 1038 | // throw new RenderingException(e); |
| 1039 | // } |
| 1040 | // |
| 1041 | // return true; |
| 1042 | // } |
| 1043 | // }; |
| 1044 | // } |
| 1045 | |
| 1046 | @ConverterMethod |
| 1047 | public WriterRenderer toWriterRenderer(final Not extractor) { |
| 1048 | return new WriterRenderer() { |
| 1049 | |
| 1050 | @Override |
| 1051 | public boolean render( |
| 1052 | Writer out, |
| 1053 | Map<String, Object> environment, |
| 1054 | Context context, |
| 1055 | String profile, |
| 1056 | Locale locale, |
| 1057 | File outputDir) throws RenderingException { |
| 1058 | |
| 1059 | if (!JAVA_INLINE.equals(profile)) { |
| 1060 | return false; |
| 1061 | } |
| 1062 | |
| 1063 | try { |
| 1064 | out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 1065 | |
| 1066 | WriterRenderer ewr = ConvertingService.convert(extractor.getPredicate(), WriterRenderer.class); |
| 1067 | if (ewr==null) { |
| 1068 | throw new RenderingException("Cannot render "+extractor.getPredicate().getClass().getName()); |
| 1069 | } |
| 1070 | if (!ewr.render(out, environment, context, profile, locale, outputDir)) { |
| 1071 | throw new RenderingException("Cannot render "+extractor.getPredicate().getClass().getName()); |
| 1072 | } |
| 1073 | |
| 1074 | out.write(")"); |
| 1075 | } catch (IOException e) { |
| 1076 | throw new RenderingException(e); |
| 1077 | } |
| 1078 | |
| 1079 | return true; |
| 1080 | } |
| 1081 | }; |
| 1082 | } |
| 1083 | |
| 1084 | // @ConverterMethod |
| 1085 | // public WriterRenderer toWriterRenderer(final TimeIntervalPredicate extractor) { |
| 1086 | // return new WriterRenderer() { |
| 1087 | // |
| 1088 | // @Override |
| 1089 | // public boolean render( |
| 1090 | // Writer out, |
| 1091 | // Map<String, Object> environment, |
| 1092 | // Context context, |
| 1093 | // String profile, |
| 1094 | // Locale locale, |
| 1095 | // File outputDir) throws RenderingException { |
| 1096 | // |
| 1097 | // if (!JAVA_INLINE.equals(profile)) { |
| 1098 | // return false; |
| 1099 | // } |
| 1100 | // |
| 1101 | // try { |
| 1102 | // out.write("new "+extractor.getClass().getCanonicalName()+"("); |
| 1103 | // |
| 1104 | // out.write("777~~~Not implemented~~~777"); |
| 1105 | // |
| 1106 | // out.write(")"); |
| 1107 | // } catch (IOException e) { |
| 1108 | // throw new RenderingException(e); |
| 1109 | // } |
| 1110 | // |
| 1111 | // return true; |
| 1112 | // } |
| 1113 | // }; |
| 1114 | // } |
| 1115 | |
| 1116 | @ConverterMethod |
| 1117 | public WriterRenderer toWriterRenderer(final True extractor) { |
| 1118 | return new WriterRenderer() { |
| 1119 | |
| 1120 | @Override |
| 1121 | public boolean render( |
| 1122 | Writer out, |
| 1123 | Map<String, Object> environment, |
| 1124 | Context context, |
| 1125 | String profile, |
| 1126 | Locale locale, |
| 1127 | File outputDir) throws RenderingException { |
| 1128 | |
| 1129 | if (!JAVA_INLINE.equals(profile)) { |
| 1130 | return false; |
| 1131 | } |
| 1132 | |
| 1133 | try { |
| 1134 | out.write(True.class.getCanonicalName()+".getInstance()"); |
| 1135 | } catch (IOException e) { |
| 1136 | throw new RenderingException(e); |
| 1137 | } |
| 1138 | |
| 1139 | return true; |
| 1140 | } |
| 1141 | }; |
| 1142 | } |
| 1143 | |
| 1144 | @ConverterMethod |
| 1145 | public WriterRenderer toWriterRenderer(final JavaExtractor extractor) { |
| 1146 | return new WriterRenderer() { |
| 1147 | |
| 1148 | @Override |
| 1149 | public boolean render( |
| 1150 | Writer out, |
| 1151 | Map<String, Object> environment, |
| 1152 | Context context, |
| 1153 | String profile, |
| 1154 | Locale locale, |
| 1155 | File outputDir) throws RenderingException { |
| 1156 | |
| 1157 | if (!JAVA_INLINE.equals(profile)) { |
| 1158 | return false; |
| 1159 | } |
| 1160 | |
| 1161 | try { |
| 1162 | // Try to find existing compiled predicate/extractor |
| 1163 | BindHelper bindHelper = (BindHelper) environment.get(BIND_HELPER); |
| 1164 | String packageName = (String) environment.get(BINDER_CLASS_PACKAGE); |
| 1165 | for (JavaExtractorEntry jee: (Collection<JavaExtractorEntry>) bindHelper.getJavaExtractorEntries()) { |
| 1166 | if (packageName.equals(jee.getPackageName())) { |
| 1167 | ComparisonResult cr = jee.getJavaExtractor().compareTo(extractor); // TODO - verify right order. |
| 1168 | if (cr!=null) { |
| 1169 | switch (cr.getType()) { |
| 1170 | case OPPOSITE: |
| 1171 | out.write("new "+Not.class.getCanonicalName()+"("); |
| 1172 | case EQUAL: |
| 1173 | out.write("new "+jee.getClassName()+"("); |
| 1174 | if (cr.getIndexMap()==null) { |
| 1175 | out.write("null"); |
| 1176 | } else { |
| 1177 | out.write("new int[] {"); |
| 1178 | for (int i=0; i<cr.getIndexMap().length; ++i) { |
| 1179 | if (i>0) { |
| 1180 | out.write(", "); |
| 1181 | } |
| 1182 | out.write(String.valueOf(i)); |
| 1183 | } |
| 1184 | out.write("}"); |
| 1185 | } |
| 1186 | out.write(")"); |
| 1187 | |
| 1188 | if (ComparisonResult.Type.OPPOSITE.equals(cr.getType())) { |
| 1189 | out.write(")"); |
| 1190 | } |
| 1191 | |
| 1192 | return true; |
| 1193 | } |
| 1194 | } |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | File outputFile; |
| 1199 | int i = 0; |
| 1200 | do { |
| 1201 | outputFile = new File(outputDir, packageName.replace('.', File.separatorChar)+File.separator+prefix(extractor)+(++i)+".java"); |
| 1202 | } while (outputFile.exists()); |
| 1203 | |
| 1204 | outputFile.getParentFile().mkdirs(); |
| 1205 | |
| 1206 | JavaExtractorEntry newJee = new JavaExtractorEntry(extractor, packageName, prefix(extractor)+i); |
| 1207 | bindHelper.getJavaExtractorEntries().add(newJee); |
| 1208 | |
| 1209 | File identityFile = new File(outputFile.getParentFile(), prefix(extractor)+i+".identity"); |
| 1210 | ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(identityFile)); |
| 1211 | try { |
| 1212 | oos.writeObject(extractor.getIdentity()); |
| 1213 | } finally { |
| 1214 | oos.close(); |
| 1215 | } |
| 1216 | |
| 1217 | String prefix = getClass().getPackage().getName().replace('.', '/'); |
| 1218 | JxpPageSource pageSource = new ResourceStreamPageSource("/"+prefix); |
| 1219 | JxpContext jxpContext = new JxpContext(pageSource); |
| 1220 | JxpProcessor processor = new JxpProcessor(jxpContext); |
| 1221 | Writer writer = new FileWriter(outputFile); |
| 1222 | CompileHelper compileHelper = new CompileHelper(packageName, prefix(extractor)+i, bindHelper.getContextType(), extractor); |
| 1223 | environment.put("compileHelper", compileHelper); |
| 1224 | processor.process("JavaExtractor.jxp", writer, environment); |
| 1225 | writer.close(); |
| 1226 | |
| 1227 | out.write("new "+prefix(extractor)+i+"(null)"); |
| 1228 | } catch (Exception e) { |
| 1229 | throw new RenderingException(e); |
| 1230 | } |
| 1231 | |
| 1232 | return true; |
| 1233 | } |
| 1234 | }; |
| 1235 | } |
| 1236 | |
| 1237 | private static String prefix(Extractor extractor) { |
| 1238 | return extractor instanceof Predicate ? "Predicate" : "Extractor"; |
| 1239 | } |
| 1240 | |
| 1241 | // /** |
| 1242 | // * For testing. |
| 1243 | // * @param extractor |
| 1244 | // * @return |
| 1245 | // */ |
| 1246 | // @ConverterMethod |
| 1247 | // public WriterRenderer toWriterRenderer(final Extractor extractor) { |
| 1248 | // return new WriterRenderer() { |
| 1249 | // |
| 1250 | // @Override |
| 1251 | // public boolean render( |
| 1252 | // Writer out, |
| 1253 | // Map<String, Object> environment, |
| 1254 | // Context context, |
| 1255 | // String profile, |
| 1256 | // Locale locale, |
| 1257 | // File outputDir) throws RenderingException { |
| 1258 | // |
| 1259 | // if (!JAVA_INLINE.equals(profile)) { |
| 1260 | // return false; |
| 1261 | // } |
| 1262 | // |
| 1263 | // try { |
| 1264 | // out.write(extractor.toString()); |
| 1265 | // } catch (IOException e) { |
| 1266 | // throw new RenderingException(e); |
| 1267 | // } |
| 1268 | // |
| 1269 | // return true; |
| 1270 | // } |
| 1271 | // }; |
| 1272 | // } |
| 1273 | |
| 1274 | } |
| 1275 | |
| 1276 | private static class CompileHelper { |
| 1277 | |
| 1278 | private String packageName; |
| 1279 | private String className; |
| 1280 | private _Type[] extractorTypeParameters; |
| 1281 | private JavaExtractor javaExtractor; |
| 1282 | |
| 1283 | public CompileHelper(String packageName, String className, Class<?> contextType, JavaExtractor javaExtractor) { |
| 1284 | this.packageName = packageName; |
| 1285 | this.className = className; |
| 1286 | this.javaExtractor = javaExtractor; |
| 1287 | |
| 1288 | TypeVariable<Class<Extractor>>[] etp = Extractor.class.getTypeParameters(); |
| 1289 | extractorTypeParameters = new _Type[etp.length]; |
| 1290 | for (int i=0; i< etp.length; ++i) { |
| 1291 | extractorTypeParameters[i] = _Type.createType(etp[i]); |
| 1292 | } |
| 1293 | |
| 1294 | List<List<PathEntry>> iPaths = inheritancePaths(javaExtractor.getClass(), Extractor.class); |
| 1295 | Collections.sort(iPaths, new Comparator<List<PathEntry>>() { |
| 1296 | |
| 1297 | @Override |
| 1298 | public int compare(List<PathEntry> o1, List<PathEntry> o2) { |
| 1299 | int sizeDelta = o1.size() - o2.size(); |
| 1300 | if (sizeDelta!=0) { |
| 1301 | return sizeDelta; |
| 1302 | } |
| 1303 | return o1.hashCode() - o2.hashCode(); |
| 1304 | } |
| 1305 | }); |
| 1306 | |
| 1307 | for (List<PathEntry> path: iPaths) { |
| 1308 | for (PathEntry pe: path) { |
| 1309 | pe.bind(extractorTypeParameters); |
| 1310 | } |
| 1311 | break; |
| 1312 | } |
| 1313 | |
| 1314 | _Type tType = extractorTypeParameters[0]; // T |
| 1315 | if (tType instanceof _TypeVariable) { |
| 1316 | _Class to = new _Class(Object.class); |
| 1317 | for (int i=0; i<extractorTypeParameters.length; ++i) { |
| 1318 | if (tType.equals(extractorTypeParameters[i])) { |
| 1319 | extractorTypeParameters[i] = to; |
| 1320 | } else { |
| 1321 | extractorTypeParameters[i].bind((_TypeVariable) tType, to); |
| 1322 | } |
| 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | _Type vType = extractorTypeParameters[1]; // V |
| 1327 | if (vType instanceof _TypeVariable) { // redundant |
| 1328 | _Class to = new _Class(javaExtractor instanceof Predicate ? Boolean.class : Object.class); |
| 1329 | for (int i=0; i<extractorTypeParameters.length; ++i) { |
| 1330 | if (vType.equals(extractorTypeParameters[i])) { |
| 1331 | extractorTypeParameters[i] = to; |
| 1332 | } else { |
| 1333 | extractorTypeParameters[i].bind((_TypeVariable) vType, to); |
| 1334 | } |
| 1335 | } |
| 1336 | } |
| 1337 | |
| 1338 | _Type cType = extractorTypeParameters[2]; // C |
| 1339 | if (cType instanceof _TypeVariable) { |
| 1340 | _Class to = new _Class(contextType); |
| 1341 | for (int i=0; i<extractorTypeParameters.length; ++i) { |
| 1342 | if (cType.equals(extractorTypeParameters[i])) { |
| 1343 | extractorTypeParameters[i] = to; |
| 1344 | } else { |
| 1345 | extractorTypeParameters[i].bind((_TypeVariable) cType, to); |
| 1346 | } |
| 1347 | } |
| 1348 | } |
| 1349 | } |
| 1350 | |
| 1351 | public String getPackageName() { |
| 1352 | return packageName; |
| 1353 | } |
| 1354 | |
| 1355 | public String getClassName() { |
| 1356 | return className; |
| 1357 | } |
| 1358 | |
| 1359 | public String getT() { |
| 1360 | return extractorTypeParameters[0].toJavaDeclaration(); |
| 1361 | } |
| 1362 | |
| 1363 | public String getV() { |
| 1364 | return extractorTypeParameters[1].toJavaDeclaration(); |
| 1365 | } |
| 1366 | |
| 1367 | public String getC() { |
| 1368 | return extractorTypeParameters[2].toJavaDeclaration(); |
| 1369 | } |
| 1370 | |
| 1371 | public boolean isPredicate() { |
| 1372 | return javaExtractor instanceof Predicate; |
| 1373 | } |
| 1374 | |
| 1375 | public boolean isContextDependent() { |
| 1376 | return javaExtractor.isContextDependent(); |
| 1377 | } |
| 1378 | |
| 1379 | public String getParameterIndicesCSV() { |
| 1380 | StringBuilder ret = new StringBuilder(); |
| 1381 | for (Object pi: javaExtractor.parameterIndices()) { |
| 1382 | if (ret.length()>0) { |
| 1383 | ret.append(", "); |
| 1384 | } |
| 1385 | ret.append(pi); |
| 1386 | } |
| 1387 | return ret.toString(); |
| 1388 | } |
| 1389 | |
| 1390 | public Iterable<JavaExtractor.Parameter> getParameters() { |
| 1391 | return javaExtractor.getParameters(); |
| 1392 | } |
| 1393 | |
| 1394 | public String maybeCastParameter(JavaExtractor.Parameter parameter) { |
| 1395 | Class<?> pType = parameter.getType(); |
| 1396 | Class<?> tType = ((_Class) extractorTypeParameters[0]).clazz; |
| 1397 | if (pType.isAssignableFrom(tType)) { |
| 1398 | return ""; |
| 1399 | } |
| 1400 | |
| 1401 | if (pType.isPrimitive()) { |
| 1402 | if (boolean.class.equals(pType)) { |
| 1403 | return "("+Boolean.class.getName()+")"; |
| 1404 | } else if (char.class.equals(pType)) { |
| 1405 | return "("+Character.class.getName()+")"; |
| 1406 | } else if (byte.class.equals(pType)) { |
| 1407 | return "("+Byte.class.getName()+")"; |
| 1408 | } else if (short.class.equals(pType)) { |
| 1409 | return "("+Short.class.getName()+")"; |
| 1410 | } else if (int.class.equals(pType)) { |
| 1411 | return "("+Integer.class.getName()+")"; |
| 1412 | } else if (long.class.equals(pType)) { |
| 1413 | return "("+Long.class.getName()+")"; |
| 1414 | } else if (float.class.equals(pType)) { |
| 1415 | return "("+Float.class.getName()+")"; |
| 1416 | } else if (double.class.equals(pType)) { |
| 1417 | return "("+Double.class.getName()+")"; |
| 1418 | } else if (void.class.equals(pType)) { |
| 1419 | throw new IllegalArgumentException("Parameter type cannot be void"); |
| 1420 | } |
| 1421 | } |
| 1422 | |
| 1423 | return "("+pType.getCanonicalName()+")"; |
| 1424 | } |
| 1425 | |
| 1426 | public String getExpression() { |
| 1427 | return javaExtractor.getExpression(); |
| 1428 | } |
| 1429 | |
| 1430 | public String getEscapedExpression() { |
| 1431 | return StringEscapeUtils.escapeJava(javaExtractor.getExpression()); |
| 1432 | } |
| 1433 | } |
| 1434 | |
| 1435 | /** |
| 1436 | * Compiles bindings for classes specified in the command line. Uses system properties for |
| 1437 | * token expansion. |
| 1438 | * @param args |
| 1439 | * @throws Exception |
| 1440 | */ |
| 1441 | @SuppressWarnings("unchecked") |
| 1442 | public static void main(String[] args) throws Exception { |
| 1443 | System.out.println("Parameters: <output directory> <bus class> <handler classes>"); |
| 1444 | JavaBinderCompiler compiler = new JavaBinderCompiler(new File(args[0])); |
| 1445 | Class<EventBus> busClass = (Class<EventBus>) Class.forName(args[1]); |
| 1446 | TokenExpander tokenExpander = new TokenExpander(new TokenSource() { |
| 1447 | |
| 1448 | @Override |
| 1449 | public String getToken(String name) { |
| 1450 | return System.getProperty(name); |
| 1451 | } |
| 1452 | |
| 1453 | }); |
| 1454 | for (int i=2; i<args.length; ++i) { |
| 1455 | Class<?> handlerClass = Class.forName(args[i]); |
| 1456 | System.out.println("Compiling Java binder for "+handlerClass.getName()); |
| 1457 | compiler.compileJavaBinder(handlerClass, busClass, null, tokenExpander); |
| 1458 | } |
| 1459 | } |
| 1460 | } |