/* java.lang.reflect.VMConstructor - VM interface for reflection of Java constructors Copyright (C) 1998, 2001, 2004, 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ package java.lang.reflect; import java.lang.annotation.Annotation; import java.util.Arrays; final class VMConstructor { Class clazz; int slot; /** * This field allows us to refer back to the main constructor instance. * It is set by the constructor of Constructor. */ Constructor cons; VMConstructor(Class clazz, int slot) { this.clazz = clazz; this.slot = slot; } public Class getDeclaringClass() { return clazz; } /** * Return the raw modifiers for this constructor. In particular * this will include the synthetic and varargs bits. * @return the constructor's modifiers */ native int getModifiersInternal(); /** * Get the parameter list for this constructor, in declaration order. If the * constructor takes no parameters, returns a 0-length array (not null). * * @return a list of the types of the constructor's parameters */ native Class[] getParameterTypes(); /** * Get the exception types this constructor says it throws, in no particular * order. If the constructor has no throws clause, returns a 0-length array * (not null). * * @return a list of the types in the constructor's throws clause */ native Class[] getExceptionTypes(); native Object construct(Object[] args) throws InstantiationException, IllegalAccessException, InvocationTargetException; /** * Return the String in the Signature attribute for this constructor. If there * is no Signature attribute, return null. */ native String getSignature(); /** *

* Return an array of arrays representing the annotations on each * of the constructor's parameters. The outer array is aligned against * the parameters of the constructors and is thus equal in length to * the number of parameters (thus having a length zero if there are none). * Each array element in the outer array contains an inner array which * holds the annotations. This array has a length of zero if the parameter * has no annotations. *

*

* The returned annotations are serialized. Changing the annotations has * no affect on the return value of future calls to this method. *

* * @return an array of arrays which represents the annotations used on the * parameters of this constructor. The order of the array elements * matches the declaration order of the parameters. * @since 1.5 */ native Annotation[][] getParameterAnnotations(); /** * Compare two objects to see if they are semantically equivalent. * Two Constructors are semantically equivalent if they have the same * declaring class and the same parameter list. This ignores different * exception clauses, but since you can't create a Method except through the * VM, this is just the == relation. * * @param o the object to compare to * @return true if they are equal; false if not. */ public boolean equals(Object o) { if (!(o instanceof Constructor)) return false; Constructor that = (Constructor)o; if (clazz != that.getDeclaringClass()) return false; if (!Arrays.equals(getParameterTypes(), that.getParameterTypes())) return false; return true; } /** * Returns the element's annotation for the specified annotation type, * or null if no such annotation exists. * * @param annotationClass the type of annotation to look for. * @return this element's annotation for the specified type, or * null if no such annotation exists. * @throws NullPointerException if the annotation class is null. */ native Annotation getAnnotation(Class annotationClass); /** * Returns all annotations directly defined by the element. If there are * no annotations directly associated with the element, then a zero-length * array will be returned. The returned array may be modified by the client * code, but this will have no effect on the annotation content of this * class, and hence no effect on the return value of this method for * future callers. * * @return the annotations directly defined by the element. * @since 1.5 */ native Annotation[] getDeclaredAnnotations(); }