1.1 --- a/emul/mini/src/main/java/java/lang/reflect/Method.java Mon Feb 25 19:00:08 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,721 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved.
1.6 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 - *
1.8 - * This code is free software; you can redistribute it and/or modify it
1.9 - * under the terms of the GNU General Public License version 2 only, as
1.10 - * published by the Free Software Foundation. Oracle designates this
1.11 - * particular file as subject to the "Classpath" exception as provided
1.12 - * by Oracle in the LICENSE file that accompanied this code.
1.13 - *
1.14 - * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 - * version 2 for more details (a copy is included in the LICENSE file that
1.18 - * accompanied this code).
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License version
1.21 - * 2 along with this work; if not, write to the Free Software Foundation,
1.22 - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 - *
1.24 - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 - * or visit www.oracle.com if you need additional information or have any
1.26 - * questions.
1.27 - */
1.28 -
1.29 -package java.lang.reflect;
1.30 -
1.31 -import java.lang.annotation.Annotation;
1.32 -import java.util.Enumeration;
1.33 -import org.apidesign.bck2brwsr.core.JavaScriptBody;
1.34 -import org.apidesign.bck2brwsr.emul.reflect.AnnotationImpl;
1.35 -import org.apidesign.bck2brwsr.emul.reflect.MethodImpl;
1.36 -
1.37 -/**
1.38 - * A {@code Method} provides information about, and access to, a single method
1.39 - * on a class or interface. The reflected method may be a class method
1.40 - * or an instance method (including an abstract method).
1.41 - *
1.42 - * <p>A {@code Method} permits widening conversions to occur when matching the
1.43 - * actual parameters to invoke with the underlying method's formal
1.44 - * parameters, but it throws an {@code IllegalArgumentException} if a
1.45 - * narrowing conversion would occur.
1.46 - *
1.47 - * @see Member
1.48 - * @see java.lang.Class
1.49 - * @see java.lang.Class#getMethods()
1.50 - * @see java.lang.Class#getMethod(String, Class[])
1.51 - * @see java.lang.Class#getDeclaredMethods()
1.52 - * @see java.lang.Class#getDeclaredMethod(String, Class[])
1.53 - *
1.54 - * @author Kenneth Russell
1.55 - * @author Nakul Saraiya
1.56 - */
1.57 -public final
1.58 - class Method extends AccessibleObject implements GenericDeclaration,
1.59 - Member {
1.60 - private final Class<?> clazz;
1.61 - private final String name;
1.62 - private final Object data;
1.63 - private final String sig;
1.64 -
1.65 - // Generics infrastructure
1.66 -
1.67 - private String getGenericSignature() {return null;}
1.68 -
1.69 - /**
1.70 - * Package-private constructor used by ReflectAccess to enable
1.71 - * instantiation of these objects in Java code from the java.lang
1.72 - * package via sun.reflect.LangReflectAccess.
1.73 - */
1.74 - Method(Class<?> declaringClass, String name, Object data, String sig)
1.75 - {
1.76 - this.clazz = declaringClass;
1.77 - this.name = name;
1.78 - this.data = data;
1.79 - this.sig = sig;
1.80 - }
1.81 -
1.82 - /**
1.83 - * Package-private routine (exposed to java.lang.Class via
1.84 - * ReflectAccess) which returns a copy of this Method. The copy's
1.85 - * "root" field points to this Method.
1.86 - */
1.87 - Method copy() {
1.88 - return this;
1.89 - }
1.90 -
1.91 - /**
1.92 - * Returns the {@code Class} object representing the class or interface
1.93 - * that declares the method represented by this {@code Method} object.
1.94 - */
1.95 - public Class<?> getDeclaringClass() {
1.96 - return clazz;
1.97 - }
1.98 -
1.99 - /**
1.100 - * Returns the name of the method represented by this {@code Method}
1.101 - * object, as a {@code String}.
1.102 - */
1.103 - public String getName() {
1.104 - return name;
1.105 - }
1.106 -
1.107 - /**
1.108 - * Returns the Java language modifiers for the method represented
1.109 - * by this {@code Method} object, as an integer. The {@code Modifier} class should
1.110 - * be used to decode the modifiers.
1.111 - *
1.112 - * @see Modifier
1.113 - */
1.114 - public int getModifiers() {
1.115 - return getAccess(data);
1.116 - }
1.117 -
1.118 - @JavaScriptBody(args = "self", body = "return self.access;")
1.119 - private static native int getAccess(Object self);
1.120 -
1.121 - /**
1.122 - * Returns an array of {@code TypeVariable} objects that represent the
1.123 - * type variables declared by the generic declaration represented by this
1.124 - * {@code GenericDeclaration} object, in declaration order. Returns an
1.125 - * array of length 0 if the underlying generic declaration declares no type
1.126 - * variables.
1.127 - *
1.128 - * @return an array of {@code TypeVariable} objects that represent
1.129 - * the type variables declared by this generic declaration
1.130 - * @throws GenericSignatureFormatError if the generic
1.131 - * signature of this generic declaration does not conform to
1.132 - * the format specified in
1.133 - * <cite>The Java™ Virtual Machine Specification</cite>
1.134 - * @since 1.5
1.135 - */
1.136 - public TypeVariable<Method>[] getTypeParameters() {
1.137 - throw new UnsupportedOperationException();
1.138 - }
1.139 -
1.140 - /**
1.141 - * Returns a {@code Class} object that represents the formal return type
1.142 - * of the method represented by this {@code Method} object.
1.143 - *
1.144 - * @return the return type for the method this object represents
1.145 - */
1.146 - public Class<?> getReturnType() {
1.147 - return MethodImpl.signatureParser(sig).nextElement();
1.148 - }
1.149 -
1.150 - /**
1.151 - * Returns a {@code Type} object that represents the formal return
1.152 - * type of the method represented by this {@code Method} object.
1.153 - *
1.154 - * <p>If the return type is a parameterized type,
1.155 - * the {@code Type} object returned must accurately reflect
1.156 - * the actual type parameters used in the source code.
1.157 - *
1.158 - * <p>If the return type is a type variable or a parameterized type, it
1.159 - * is created. Otherwise, it is resolved.
1.160 - *
1.161 - * @return a {@code Type} object that represents the formal return
1.162 - * type of the underlying method
1.163 - * @throws GenericSignatureFormatError
1.164 - * if the generic method signature does not conform to the format
1.165 - * specified in
1.166 - * <cite>The Java™ Virtual Machine Specification</cite>
1.167 - * @throws TypeNotPresentException if the underlying method's
1.168 - * return type refers to a non-existent type declaration
1.169 - * @throws MalformedParameterizedTypeException if the
1.170 - * underlying method's return typed refers to a parameterized
1.171 - * type that cannot be instantiated for any reason
1.172 - * @since 1.5
1.173 - */
1.174 - public Type getGenericReturnType() {
1.175 - throw new UnsupportedOperationException();
1.176 - }
1.177 -
1.178 -
1.179 - /**
1.180 - * Returns an array of {@code Class} objects that represent the formal
1.181 - * parameter types, in declaration order, of the method
1.182 - * represented by this {@code Method} object. Returns an array of length
1.183 - * 0 if the underlying method takes no parameters.
1.184 - *
1.185 - * @return the parameter types for the method this object
1.186 - * represents
1.187 - */
1.188 - public Class<?>[] getParameterTypes() {
1.189 - Class[] arr = new Class[MethodImpl.signatureElements(sig) - 1];
1.190 - Enumeration<Class> en = MethodImpl.signatureParser(sig);
1.191 - en.nextElement(); // return type
1.192 - for (int i = 0; i < arr.length; i++) {
1.193 - arr[i] = en.nextElement();
1.194 - }
1.195 - return arr;
1.196 - }
1.197 -
1.198 - /**
1.199 - * Returns an array of {@code Type} objects that represent the formal
1.200 - * parameter types, in declaration order, of the method represented by
1.201 - * this {@code Method} object. Returns an array of length 0 if the
1.202 - * underlying method takes no parameters.
1.203 - *
1.204 - * <p>If a formal parameter type is a parameterized type,
1.205 - * the {@code Type} object returned for it must accurately reflect
1.206 - * the actual type parameters used in the source code.
1.207 - *
1.208 - * <p>If a formal parameter type is a type variable or a parameterized
1.209 - * type, it is created. Otherwise, it is resolved.
1.210 - *
1.211 - * @return an array of Types that represent the formal
1.212 - * parameter types of the underlying method, in declaration order
1.213 - * @throws GenericSignatureFormatError
1.214 - * if the generic method signature does not conform to the format
1.215 - * specified in
1.216 - * <cite>The Java™ Virtual Machine Specification</cite>
1.217 - * @throws TypeNotPresentException if any of the parameter
1.218 - * types of the underlying method refers to a non-existent type
1.219 - * declaration
1.220 - * @throws MalformedParameterizedTypeException if any of
1.221 - * the underlying method's parameter types refer to a parameterized
1.222 - * type that cannot be instantiated for any reason
1.223 - * @since 1.5
1.224 - */
1.225 - public Type[] getGenericParameterTypes() {
1.226 - throw new UnsupportedOperationException();
1.227 - }
1.228 -
1.229 -
1.230 - /**
1.231 - * Returns an array of {@code Class} objects that represent
1.232 - * the types of the exceptions declared to be thrown
1.233 - * by the underlying method
1.234 - * represented by this {@code Method} object. Returns an array of length
1.235 - * 0 if the method declares no exceptions in its {@code throws} clause.
1.236 - *
1.237 - * @return the exception types declared as being thrown by the
1.238 - * method this object represents
1.239 - */
1.240 - public Class<?>[] getExceptionTypes() {
1.241 - throw new UnsupportedOperationException();
1.242 - //return (Class<?>[]) exceptionTypes.clone();
1.243 - }
1.244 -
1.245 - /**
1.246 - * Returns an array of {@code Type} objects that represent the
1.247 - * exceptions declared to be thrown by this {@code Method} object.
1.248 - * Returns an array of length 0 if the underlying method declares
1.249 - * no exceptions in its {@code throws} clause.
1.250 - *
1.251 - * <p>If an exception type is a type variable or a parameterized
1.252 - * type, it is created. Otherwise, it is resolved.
1.253 - *
1.254 - * @return an array of Types that represent the exception types
1.255 - * thrown by the underlying method
1.256 - * @throws GenericSignatureFormatError
1.257 - * if the generic method signature does not conform to the format
1.258 - * specified in
1.259 - * <cite>The Java™ Virtual Machine Specification</cite>
1.260 - * @throws TypeNotPresentException if the underlying method's
1.261 - * {@code throws} clause refers to a non-existent type declaration
1.262 - * @throws MalformedParameterizedTypeException if
1.263 - * the underlying method's {@code throws} clause refers to a
1.264 - * parameterized type that cannot be instantiated for any reason
1.265 - * @since 1.5
1.266 - */
1.267 - public Type[] getGenericExceptionTypes() {
1.268 - throw new UnsupportedOperationException();
1.269 - }
1.270 -
1.271 - /**
1.272 - * Compares this {@code Method} against the specified object. Returns
1.273 - * true if the objects are the same. Two {@code Methods} are the same if
1.274 - * they were declared by the same class and have the same name
1.275 - * and formal parameter types and return type.
1.276 - */
1.277 - public boolean equals(Object obj) {
1.278 - if (obj != null && obj instanceof Method) {
1.279 - Method other = (Method)obj;
1.280 - return data == other.data;
1.281 - }
1.282 - return false;
1.283 - }
1.284 -
1.285 - /**
1.286 - * Returns a hashcode for this {@code Method}. The hashcode is computed
1.287 - * as the exclusive-or of the hashcodes for the underlying
1.288 - * method's declaring class name and the method's name.
1.289 - */
1.290 - public int hashCode() {
1.291 - return getDeclaringClass().getName().hashCode() ^ getName().hashCode();
1.292 - }
1.293 -
1.294 - /**
1.295 - * Returns a string describing this {@code Method}. The string is
1.296 - * formatted as the method access modifiers, if any, followed by
1.297 - * the method return type, followed by a space, followed by the
1.298 - * class declaring the method, followed by a period, followed by
1.299 - * the method name, followed by a parenthesized, comma-separated
1.300 - * list of the method's formal parameter types. If the method
1.301 - * throws checked exceptions, the parameter list is followed by a
1.302 - * space, followed by the word throws followed by a
1.303 - * comma-separated list of the thrown exception types.
1.304 - * For example:
1.305 - * <pre>
1.306 - * public boolean java.lang.Object.equals(java.lang.Object)
1.307 - * </pre>
1.308 - *
1.309 - * <p>The access modifiers are placed in canonical order as
1.310 - * specified by "The Java Language Specification". This is
1.311 - * {@code public}, {@code protected} or {@code private} first,
1.312 - * and then other modifiers in the following order:
1.313 - * {@code abstract}, {@code static}, {@code final},
1.314 - * {@code synchronized}, {@code native}, {@code strictfp}.
1.315 - */
1.316 - public String toString() {
1.317 - try {
1.318 - StringBuilder sb = new StringBuilder();
1.319 - int mod = getModifiers() & Modifier.methodModifiers();
1.320 - if (mod != 0) {
1.321 - sb.append(Modifier.toString(mod)).append(' ');
1.322 - }
1.323 - sb.append(Field.getTypeName(getReturnType())).append(' ');
1.324 - sb.append(Field.getTypeName(getDeclaringClass())).append('.');
1.325 - sb.append(getName()).append('(');
1.326 - Class<?>[] params = getParameterTypes(); // avoid clone
1.327 - for (int j = 0; j < params.length; j++) {
1.328 - sb.append(Field.getTypeName(params[j]));
1.329 - if (j < (params.length - 1))
1.330 - sb.append(',');
1.331 - }
1.332 - sb.append(')');
1.333 - /*
1.334 - Class<?>[] exceptions = exceptionTypes; // avoid clone
1.335 - if (exceptions.length > 0) {
1.336 - sb.append(" throws ");
1.337 - for (int k = 0; k < exceptions.length; k++) {
1.338 - sb.append(exceptions[k].getName());
1.339 - if (k < (exceptions.length - 1))
1.340 - sb.append(',');
1.341 - }
1.342 - }
1.343 - */
1.344 - return sb.toString();
1.345 - } catch (Exception e) {
1.346 - return "<" + e + ">";
1.347 - }
1.348 - }
1.349 -
1.350 - /**
1.351 - * Returns a string describing this {@code Method}, including
1.352 - * type parameters. The string is formatted as the method access
1.353 - * modifiers, if any, followed by an angle-bracketed
1.354 - * comma-separated list of the method's type parameters, if any,
1.355 - * followed by the method's generic return type, followed by a
1.356 - * space, followed by the class declaring the method, followed by
1.357 - * a period, followed by the method name, followed by a
1.358 - * parenthesized, comma-separated list of the method's generic
1.359 - * formal parameter types.
1.360 - *
1.361 - * If this method was declared to take a variable number of
1.362 - * arguments, instead of denoting the last parameter as
1.363 - * "<tt><i>Type</i>[]</tt>", it is denoted as
1.364 - * "<tt><i>Type</i>...</tt>".
1.365 - *
1.366 - * A space is used to separate access modifiers from one another
1.367 - * and from the type parameters or return type. If there are no
1.368 - * type parameters, the type parameter list is elided; if the type
1.369 - * parameter list is present, a space separates the list from the
1.370 - * class name. If the method is declared to throw exceptions, the
1.371 - * parameter list is followed by a space, followed by the word
1.372 - * throws followed by a comma-separated list of the generic thrown
1.373 - * exception types. If there are no type parameters, the type
1.374 - * parameter list is elided.
1.375 - *
1.376 - * <p>The access modifiers are placed in canonical order as
1.377 - * specified by "The Java Language Specification". This is
1.378 - * {@code public}, {@code protected} or {@code private} first,
1.379 - * and then other modifiers in the following order:
1.380 - * {@code abstract}, {@code static}, {@code final},
1.381 - * {@code synchronized}, {@code native}, {@code strictfp}.
1.382 - *
1.383 - * @return a string describing this {@code Method},
1.384 - * include type parameters
1.385 - *
1.386 - * @since 1.5
1.387 - */
1.388 - public String toGenericString() {
1.389 - try {
1.390 - StringBuilder sb = new StringBuilder();
1.391 - int mod = getModifiers() & Modifier.methodModifiers();
1.392 - if (mod != 0) {
1.393 - sb.append(Modifier.toString(mod)).append(' ');
1.394 - }
1.395 - TypeVariable<?>[] typeparms = getTypeParameters();
1.396 - if (typeparms.length > 0) {
1.397 - boolean first = true;
1.398 - sb.append('<');
1.399 - for(TypeVariable<?> typeparm: typeparms) {
1.400 - if (!first)
1.401 - sb.append(',');
1.402 - // Class objects can't occur here; no need to test
1.403 - // and call Class.getName().
1.404 - sb.append(typeparm.toString());
1.405 - first = false;
1.406 - }
1.407 - sb.append("> ");
1.408 - }
1.409 -
1.410 - Type genRetType = getGenericReturnType();
1.411 - sb.append( ((genRetType instanceof Class<?>)?
1.412 - Field.getTypeName((Class<?>)genRetType):genRetType.toString()))
1.413 - .append(' ');
1.414 -
1.415 - sb.append(Field.getTypeName(getDeclaringClass())).append('.');
1.416 - sb.append(getName()).append('(');
1.417 - Type[] params = getGenericParameterTypes();
1.418 - for (int j = 0; j < params.length; j++) {
1.419 - String param = (params[j] instanceof Class)?
1.420 - Field.getTypeName((Class)params[j]):
1.421 - (params[j].toString());
1.422 - if (isVarArgs() && (j == params.length - 1)) // replace T[] with T...
1.423 - param = param.replaceFirst("\\[\\]$", "...");
1.424 - sb.append(param);
1.425 - if (j < (params.length - 1))
1.426 - sb.append(',');
1.427 - }
1.428 - sb.append(')');
1.429 - Type[] exceptions = getGenericExceptionTypes();
1.430 - if (exceptions.length > 0) {
1.431 - sb.append(" throws ");
1.432 - for (int k = 0; k < exceptions.length; k++) {
1.433 - sb.append((exceptions[k] instanceof Class)?
1.434 - ((Class)exceptions[k]).getName():
1.435 - exceptions[k].toString());
1.436 - if (k < (exceptions.length - 1))
1.437 - sb.append(',');
1.438 - }
1.439 - }
1.440 - return sb.toString();
1.441 - } catch (Exception e) {
1.442 - return "<" + e + ">";
1.443 - }
1.444 - }
1.445 -
1.446 - /**
1.447 - * Invokes the underlying method represented by this {@code Method}
1.448 - * object, on the specified object with the specified parameters.
1.449 - * Individual parameters are automatically unwrapped to match
1.450 - * primitive formal parameters, and both primitive and reference
1.451 - * parameters are subject to method invocation conversions as
1.452 - * necessary.
1.453 - *
1.454 - * <p>If the underlying method is static, then the specified {@code obj}
1.455 - * argument is ignored. It may be null.
1.456 - *
1.457 - * <p>If the number of formal parameters required by the underlying method is
1.458 - * 0, the supplied {@code args} array may be of length 0 or null.
1.459 - *
1.460 - * <p>If the underlying method is an instance method, it is invoked
1.461 - * using dynamic method lookup as documented in The Java Language
1.462 - * Specification, Second Edition, section 15.12.4.4; in particular,
1.463 - * overriding based on the runtime type of the target object will occur.
1.464 - *
1.465 - * <p>If the underlying method is static, the class that declared
1.466 - * the method is initialized if it has not already been initialized.
1.467 - *
1.468 - * <p>If the method completes normally, the value it returns is
1.469 - * returned to the caller of invoke; if the value has a primitive
1.470 - * type, it is first appropriately wrapped in an object. However,
1.471 - * if the value has the type of an array of a primitive type, the
1.472 - * elements of the array are <i>not</i> wrapped in objects; in
1.473 - * other words, an array of primitive type is returned. If the
1.474 - * underlying method return type is void, the invocation returns
1.475 - * null.
1.476 - *
1.477 - * @param obj the object the underlying method is invoked from
1.478 - * @param args the arguments used for the method call
1.479 - * @return the result of dispatching the method represented by
1.480 - * this object on {@code obj} with parameters
1.481 - * {@code args}
1.482 - *
1.483 - * @exception IllegalAccessException if this {@code Method} object
1.484 - * is enforcing Java language access control and the underlying
1.485 - * method is inaccessible.
1.486 - * @exception IllegalArgumentException if the method is an
1.487 - * instance method and the specified object argument
1.488 - * is not an instance of the class or interface
1.489 - * declaring the underlying method (or of a subclass
1.490 - * or implementor thereof); if the number of actual
1.491 - * and formal parameters differ; if an unwrapping
1.492 - * conversion for primitive arguments fails; or if,
1.493 - * after possible unwrapping, a parameter value
1.494 - * cannot be converted to the corresponding formal
1.495 - * parameter type by a method invocation conversion.
1.496 - * @exception InvocationTargetException if the underlying method
1.497 - * throws an exception.
1.498 - * @exception NullPointerException if the specified object is null
1.499 - * and the method is an instance method.
1.500 - * @exception ExceptionInInitializerError if the initialization
1.501 - * provoked by this method fails.
1.502 - */
1.503 - public Object invoke(Object obj, Object... args)
1.504 - throws IllegalAccessException, IllegalArgumentException,
1.505 - InvocationTargetException
1.506 - {
1.507 - final boolean isStatic = (getModifiers() & Modifier.STATIC) == 0;
1.508 - if (isStatic && obj == null) {
1.509 - throw new NullPointerException();
1.510 - }
1.511 - Class[] types = getParameterTypes();
1.512 - if (types.length != args.length) {
1.513 - throw new IllegalArgumentException("Types len " + types.length + " args: " + args.length);
1.514 - } else {
1.515 - args = args.clone();
1.516 - for (int i = 0; i < types.length; i++) {
1.517 - Class c = types[i];
1.518 - if (c.isPrimitive()) {
1.519 - args[i] = toPrimitive(c, args[i]);
1.520 - }
1.521 - }
1.522 - }
1.523 - Object res = invoke0(isStatic, this, obj, args);
1.524 - if (getReturnType().isPrimitive()) {
1.525 - res = fromPrimitive(getReturnType(), res);
1.526 - }
1.527 - return res;
1.528 - }
1.529 -
1.530 - @JavaScriptBody(args = { "st", "method", "self", "args" }, body =
1.531 - "var p;\n"
1.532 - + "if (st) {\n"
1.533 - + " p = new Array(1);\n"
1.534 - + " p[0] = self;\n"
1.535 - + " p = p.concat(args);\n"
1.536 - + "} else {\n"
1.537 - + " p = args;\n"
1.538 - + "}\n"
1.539 - + "return method._data().apply(self, p);\n"
1.540 - )
1.541 - private static native Object invoke0(boolean isStatic, Method m, Object self, Object[] args);
1.542 -
1.543 - static Object fromPrimitive(Class<?> type, Object o) {
1.544 - if (type == Integer.TYPE) {
1.545 - return fromRaw(Integer.class, "valueOf__Ljava_lang_Integer_2I", o);
1.546 - }
1.547 - if (type == Long.TYPE) {
1.548 - return fromRaw(Long.class, "valueOf__Ljava_lang_Long_2J", o);
1.549 - }
1.550 - if (type == Double.TYPE) {
1.551 - return fromRaw(Double.class, "valueOf__Ljava_lang_Double_2D", o);
1.552 - }
1.553 - if (type == Float.TYPE) {
1.554 - return fromRaw(Float.class, "valueOf__Ljava_lang_Float_2F", o);
1.555 - }
1.556 - if (type == Byte.TYPE) {
1.557 - return fromRaw(Byte.class, "valueOf__Ljava_lang_Byte_2B", o);
1.558 - }
1.559 - if (type == Boolean.TYPE) {
1.560 - return fromRaw(Boolean.class, "valueOf__Ljava_lang_Boolean_2Z", o);
1.561 - }
1.562 - if (type == Short.TYPE) {
1.563 - return fromRaw(Short.class, "valueOf__Ljava_lang_Short_2S", o);
1.564 - }
1.565 - if (type == Character.TYPE) {
1.566 - return fromRaw(Character.class, "valueOf__Ljava_lang_Character_2C", o);
1.567 - }
1.568 - if (type.getName().equals("void")) {
1.569 - return null;
1.570 - }
1.571 - throw new IllegalStateException("Can't convert " + o);
1.572 - }
1.573 -
1.574 - @JavaScriptBody(args = { "cls", "m", "o" },
1.575 - body = "return cls.cnstr(false)[m](o);"
1.576 - )
1.577 - private static native Integer fromRaw(Class<?> cls, String m, Object o);
1.578 -
1.579 - private static Object toPrimitive(Class<?> type, Object o) {
1.580 - if (type == Integer.TYPE) {
1.581 - return toRaw("intValue__I", o);
1.582 - }
1.583 - if (type == Long.TYPE) {
1.584 - return toRaw("longValue__J", o);
1.585 - }
1.586 - if (type == Double.TYPE) {
1.587 - return toRaw("doubleValue__D", o);
1.588 - }
1.589 - if (type == Float.TYPE) {
1.590 - return toRaw("floatValue__F", o);
1.591 - }
1.592 - if (type == Byte.TYPE) {
1.593 - return toRaw("byteValue__B", o);
1.594 - }
1.595 - if (type == Boolean.TYPE) {
1.596 - return toRaw("booleanValue__Z", o);
1.597 - }
1.598 - if (type == Short.TYPE) {
1.599 - return toRaw("shortValue__S", o);
1.600 - }
1.601 - if (type == Character.TYPE) {
1.602 - return toRaw("charValue__C", o);
1.603 - }
1.604 - if (type.getName().equals("void")) {
1.605 - return o;
1.606 - }
1.607 - throw new IllegalStateException("Can't convert " + o);
1.608 - }
1.609 -
1.610 - @JavaScriptBody(args = { "m", "o" },
1.611 - body = "return o[m](o);"
1.612 - )
1.613 - private static native Object toRaw(String m, Object o);
1.614 -
1.615 - /**
1.616 - * Returns {@code true} if this method is a bridge
1.617 - * method; returns {@code false} otherwise.
1.618 - *
1.619 - * @return true if and only if this method is a bridge
1.620 - * method as defined by the Java Language Specification.
1.621 - * @since 1.5
1.622 - */
1.623 - public boolean isBridge() {
1.624 - return (getModifiers() & Modifier.BRIDGE) != 0;
1.625 - }
1.626 -
1.627 - /**
1.628 - * Returns {@code true} if this method was declared to take
1.629 - * a variable number of arguments; returns {@code false}
1.630 - * otherwise.
1.631 - *
1.632 - * @return {@code true} if an only if this method was declared to
1.633 - * take a variable number of arguments.
1.634 - * @since 1.5
1.635 - */
1.636 - public boolean isVarArgs() {
1.637 - return (getModifiers() & Modifier.VARARGS) != 0;
1.638 - }
1.639 -
1.640 - /**
1.641 - * Returns {@code true} if this method is a synthetic
1.642 - * method; returns {@code false} otherwise.
1.643 - *
1.644 - * @return true if and only if this method is a synthetic
1.645 - * method as defined by the Java Language Specification.
1.646 - * @since 1.5
1.647 - */
1.648 - public boolean isSynthetic() {
1.649 - return Modifier.isSynthetic(getModifiers());
1.650 - }
1.651 -
1.652 - @JavaScriptBody(args = { "ac" },
1.653 - body =
1.654 - "var a = this._data().anno;"
1.655 - + "if (a) {"
1.656 - + " return a['L' + ac.jvmName + ';'];"
1.657 - + "} else return null;"
1.658 - )
1.659 - private Object getAnnotationData(Class<?> annotationClass) {
1.660 - throw new UnsupportedOperationException();
1.661 - }
1.662 -
1.663 - /**
1.664 - * @throws NullPointerException {@inheritDoc}
1.665 - * @since 1.5
1.666 - */
1.667 - public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
1.668 - Object data = getAnnotationData(annotationClass);
1.669 - return data == null ? null : AnnotationImpl.create(annotationClass, data);
1.670 - }
1.671 -
1.672 - /**
1.673 - * @since 1.5
1.674 - */
1.675 - public Annotation[] getDeclaredAnnotations() {
1.676 - throw new UnsupportedOperationException();
1.677 - }
1.678 -
1.679 - /**
1.680 - * Returns the default value for the annotation member represented by
1.681 - * this {@code Method} instance. If the member is of a primitive type,
1.682 - * an instance of the corresponding wrapper type is returned. Returns
1.683 - * null if no default is associated with the member, or if the method
1.684 - * instance does not represent a declared member of an annotation type.
1.685 - *
1.686 - * @return the default value for the annotation member represented
1.687 - * by this {@code Method} instance.
1.688 - * @throws TypeNotPresentException if the annotation is of type
1.689 - * {@link Class} and no definition can be found for the
1.690 - * default class value.
1.691 - * @since 1.5
1.692 - */
1.693 - public Object getDefaultValue() {
1.694 - throw new UnsupportedOperationException();
1.695 - }
1.696 -
1.697 - /**
1.698 - * Returns an array of arrays that represent the annotations on the formal
1.699 - * parameters, in declaration order, of the method represented by
1.700 - * this {@code Method} object. (Returns an array of length zero if the
1.701 - * underlying method is parameterless. If the method has one or more
1.702 - * parameters, a nested array of length zero is returned for each parameter
1.703 - * with no annotations.) The annotation objects contained in the returned
1.704 - * arrays are serializable. The caller of this method is free to modify
1.705 - * the returned arrays; it will have no effect on the arrays returned to
1.706 - * other callers.
1.707 - *
1.708 - * @return an array of arrays that represent the annotations on the formal
1.709 - * parameters, in declaration order, of the method represented by this
1.710 - * Method object
1.711 - * @since 1.5
1.712 - */
1.713 - public Annotation[][] getParameterAnnotations() {
1.714 - throw new UnsupportedOperationException();
1.715 - }
1.716 -
1.717 - static {
1.718 - MethodImpl.INSTANCE = new MethodImpl() {
1.719 - protected Method create(Class<?> declaringClass, String name, Object data, String sig) {
1.720 - return new Method(declaringClass, name, data, sig);
1.721 - }
1.722 - };
1.723 - }
1.724 -}