1253 ProcessBuilder.class, methodType(void.class, String[].class));
1254 ProcessBuilder pb = (ProcessBuilder)
1255 MH_newProcessBuilder.invoke("x", "y", "z");
1256 assertEquals("[x, y, z]", pb.command().toString());
1257 * }</pre></blockquote>
1258 * @param refc the class or interface from which the method is accessed
1259 * @param type the type of the method, with the receiver argument omitted, and a void return type
1260 * @return the desired method handle
1261 * @throws NoSuchMethodException if the constructor does not exist
1262 * @throws IllegalAccessException if access checking fails
1263 * or if the method's variable arity modifier bit
1264 * is set and {@code asVarargsCollector} fails
1265 * @exception SecurityException if a security manager is present and it
1266 * <a href="MethodHandles.Lookup.html#secmgr">refuses access</a>
1267 * @throws NullPointerException if any argument is null
1268 */
1269 public MethodHandle findConstructor(Class<?> refc, MethodType type) throws NoSuchMethodException, IllegalAccessException {
1270 if (refc.isArray()) {
1271 throw new NoSuchMethodException("no constructor for array class: " + refc.getName());
1272 }
1273 String name = "<init>";
1274 MemberName ctor = resolveOrFail(REF_newInvokeSpecial, refc, name, type);
1275 return getDirectConstructor(refc, ctor);
1276 }
1277
1278 /**
1279 * Looks up a class by name from the lookup context defined by this {@code Lookup} object. The static
1280 * initializer of the class is not run.
1281 * <p>
1282 * The lookup context here is determined by the {@linkplain #lookupClass() lookup class}, its class
1283 * loader, and the {@linkplain #lookupModes() lookup modes}. In particular, the method first attempts to
1284 * load the requested class, and then determines whether the class is accessible to this lookup object.
1285 *
1286 * @param targetName the fully qualified name of the class to be looked up.
1287 * @return the requested class.
1288 * @exception SecurityException if a security manager is present and it
1289 * <a href="MethodHandles.Lookup.html#secmgr">refuses access</a>
1290 * @throws LinkageError if the linkage fails
1291 * @throws ClassNotFoundException if the class cannot be loaded by the lookup class' loader.
1292 * @throws IllegalAccessException if the class is not accessible, using the allowed access
|
1253 ProcessBuilder.class, methodType(void.class, String[].class));
1254 ProcessBuilder pb = (ProcessBuilder)
1255 MH_newProcessBuilder.invoke("x", "y", "z");
1256 assertEquals("[x, y, z]", pb.command().toString());
1257 * }</pre></blockquote>
1258 * @param refc the class or interface from which the method is accessed
1259 * @param type the type of the method, with the receiver argument omitted, and a void return type
1260 * @return the desired method handle
1261 * @throws NoSuchMethodException if the constructor does not exist
1262 * @throws IllegalAccessException if access checking fails
1263 * or if the method's variable arity modifier bit
1264 * is set and {@code asVarargsCollector} fails
1265 * @exception SecurityException if a security manager is present and it
1266 * <a href="MethodHandles.Lookup.html#secmgr">refuses access</a>
1267 * @throws NullPointerException if any argument is null
1268 */
1269 public MethodHandle findConstructor(Class<?> refc, MethodType type) throws NoSuchMethodException, IllegalAccessException {
1270 if (refc.isArray()) {
1271 throw new NoSuchMethodException("no constructor for array class: " + refc.getName());
1272 }
1273 if (type.returnType() != void.class) {
1274 throw new NoSuchMethodException("Constructors must have void return type: " + refc.getName());
1275 }
1276 String name = "<init>";
1277 MemberName ctor = resolveOrFail(REF_newInvokeSpecial, refc, name, type);
1278 return getDirectConstructor(refc, ctor);
1279 }
1280
1281 /**
1282 * Looks up a class by name from the lookup context defined by this {@code Lookup} object. The static
1283 * initializer of the class is not run.
1284 * <p>
1285 * The lookup context here is determined by the {@linkplain #lookupClass() lookup class}, its class
1286 * loader, and the {@linkplain #lookupModes() lookup modes}. In particular, the method first attempts to
1287 * load the requested class, and then determines whether the class is accessible to this lookup object.
1288 *
1289 * @param targetName the fully qualified name of the class to be looked up.
1290 * @return the requested class.
1291 * @exception SecurityException if a security manager is present and it
1292 * <a href="MethodHandles.Lookup.html#secmgr">refuses access</a>
1293 * @throws LinkageError if the linkage fails
1294 * @throws ClassNotFoundException if the class cannot be loaded by the lookup class' loader.
1295 * @throws IllegalAccessException if the class is not accessible, using the allowed access
|