001/* 002 * BridJ - Dynamic and blazing-fast native interop for Java. 003 * http://bridj.googlecode.com/ 004 * 005 * Copyright (c) 2010-2013, Olivier Chafik (http://ochafik.com/) 006 * All rights reserved. 007 * 008 * Redistribution and use in source and binary forms, with or without 009 * modification, are permitted provided that the following conditions are met: 010 * 011 * * Redistributions of source code must retain the above copyright 012 * notice, this list of conditions and the following disclaimer. 013 * * Redistributions in binary form must reproduce the above copyright 014 * notice, this list of conditions and the following disclaimer in the 015 * documentation and/or other materials provided with the distribution. 016 * * Neither the name of Olivier Chafik nor the 017 * names of its contributors may be used to endorse or promote products 018 * derived from this software without specific prior written permission. 019 * 020 * THIS SOFTWARE IS PROVIDED BY OLIVIER CHAFIK AND CONTRIBUTORS ``AS IS'' AND ANY 021 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 022 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 023 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY 024 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 025 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 026 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 027 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 028 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 029 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 030 */ 031package org.bridj.cpp.com; 032 033import org.bridj.*; 034import org.bridj.ann.*; 035import org.bridj.ann.Runtime; 036import org.bridj.cpp.CPPObject; 037import org.bridj.cpp.mfc.MFCRuntime; 038 039import static org.bridj.cpp.com.COMRuntime.*; 040 041@Convention(Convention.Style.StdCall) 042@IID("00000000-0000-0000-C000-000000000046") 043@Runtime(COMRuntime.class) 044public class IUnknown extends CPPObject { 045 046 protected boolean autoRelease; 047 048 public static IUnknown wrap(Object object) { 049 if (object instanceof IUnknown) { 050 return (IUnknown) object; 051 } 052 053 return new COMCallableWrapper(object); 054 } 055 056 @Override 057 protected void finalize() throws Throwable { 058 if (autoRelease) { 059 Release(); 060 } 061 super.finalize(); 062 } 063 064 @Virtual(0) 065 @Deprecated 066 public native int QueryInterface( 067 Pointer<Byte> riid, 068 Pointer<Pointer<IUnknown>> ppvObject); 069 070 public <I extends IUnknown> I QueryInterface(Class<I> type) { 071 Pointer<Pointer<IUnknown>> p = Pointer.allocatePointer(IUnknown.class); 072 int ret = QueryInterface(getIID(type), p); 073 if (ret != S_OK) { 074 return null; 075 } 076 077 return p.get().getNativeObject(type); 078 } 079 080 @Virtual(1) 081 public native int AddRef(); 082 083 @Virtual(2) 084 public native int Release(); 085}