| /* VMProxy.java -- VM interface for proxy class |
| Copyright (C) 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; |
| |
| final class VMProxy |
| { |
| /** |
| * Set to true if the VM provides a native method to implement |
| * Proxy.getProxyClass completely, including argument verification. |
| * If this is true, HAVE_NATIVE_GET_PROXY_DATA and |
| * HAVE_NATIVE_GENERATE_PROXY_CLASS should be false. |
| * @see java.lang.reflect.Proxy |
| */ |
| static boolean HAVE_NATIVE_GET_PROXY_CLASS = false; |
| |
| /** |
| * Set to true if the VM provides a native method to implement |
| * the first part of Proxy.getProxyClass: generation of the array |
| * of methods to convert, and verification of the arguments. |
| * If this is true, HAVE_NATIVE_GET_PROXY_CLASS should be false. |
| * @see java.lang.reflect.Proxy |
| */ |
| static boolean HAVE_NATIVE_GET_PROXY_DATA = false; |
| |
| /** |
| * Set to true if the VM provides a native method to implement |
| * the second part of Proxy.getProxyClass: conversion of an array of |
| * methods into an actual proxy class. |
| * If this is true, HAVE_NATIVE_GET_PROXY_CLASS should be false. |
| * @see java.lang.reflect.Proxy |
| */ |
| static boolean HAVE_NATIVE_GENERATE_PROXY_CLASS = false; |
| |
| /** |
| * Optional native method to replace (and speed up) the pure Java |
| * implementation of getProxyClass. Only needed if |
| * VMProxy.HAVE_NATIVE_GET_PROXY_CLASS is true, this does the |
| * work of both getProxyData and generateProxyClass with no |
| * intermediate form in Java. The native code may safely assume that |
| * this class must be created, and does not already exist. |
| * |
| * @param loader the class loader to define the proxy class in; null |
| * implies the bootstrap class loader |
| * @param interfaces the interfaces the class will extend |
| * @return the generated proxy class |
| * @throws IllegalArgumentException if the constraints for getProxyClass |
| * were violated, except for problems with null |
| * @throws NullPointerException if `interfaces' is null or contains |
| * a null entry, or if handler is null |
| * @see #HAVE_NATIVE_GET_PROXY_CLASS |
| * @see #getProxyClass(ClassLoader, Class[]) |
| * @see #getProxyData(ClassLoader, Class[]) |
| * @see #generateProxyClass(ClassLoader, Proxy.ProxyData) |
| */ |
| static native Class getProxyClass(ClassLoader loader, Class[] interfaces); |
| |
| /** |
| * Optional native method to replace (and speed up) the pure Java |
| * implementation of getProxyData. Only needed if |
| * Configuration.HAVE_NATIVE_GET_PROXY_DATA is true. The native code |
| * may safely assume that a new ProxyData object must be created which |
| * does not duplicate any existing ones. |
| * |
| * @param loader the class loader to define the proxy class in; null |
| * implies the bootstrap class loader |
| * @param interfaces the interfaces the class will extend |
| * @return all data that is required to make this proxy class |
| * @throws IllegalArgumentException if the constraints for getProxyClass |
| * were violated, except for problems with null |
| * @throws NullPointerException if `interfaces' is null or contains |
| * a null entry, or if handler is null |
| * @see #HAVE_NATIVE_GET_PROXY_DATA |
| * @see #getProxyClass(ClassLoader, Class[]) |
| * @see #getProxyClass(ClassLoader, Class[]) |
| * @see Proxy.ProxyData#getProxyData(Proxy.ProxyType) |
| */ |
| static native Proxy.ProxyData getProxyData(ClassLoader loader, |
| Class[] interfaces); |
| |
| /** |
| * Optional native method to replace (and speed up) the pure Java |
| * implementation of generateProxyClass. Only needed if |
| * Configuration.HAVE_NATIVE_GENERATE_PROXY_CLASS is true. The native |
| * code may safely assume that a new Class must be created, and that |
| * the ProxyData object does not describe any existing class. |
| * |
| * @param loader the class loader to define the proxy class in; null |
| * implies the bootstrap class loader |
| * @param data the struct of information to convert to a Class. This |
| * has already been verified for all problems except exceeding |
| * VM limitations |
| * @return the newly generated class |
| * @throws IllegalArgumentException if VM limitations are exceeded |
| * @see #getProxyClass(ClassLoader, Class[]) |
| * @see #getProxyClass(ClassLoader, Class[]) |
| */ |
| static native Class generateProxyClass(ClassLoader loader, |
| Proxy.ProxyData data); |
| } |