117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
/*
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* Copyright (c) 1999-2004 Sourceforge JACOB Project.
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* All rights reserved. Originator: Dan Adler (http://danadler.com).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Redistributions in any form must be accompanied by information on
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* how to obtain complete source code for the JACOB software.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stdafx.h"
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#include <objbase.h>
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#include "ComThread.h"
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// Win32 support for Ole Automation
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#include <wchar.h>
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#include <string.h>
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#include <atlbase.h>
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#include <oleauto.h>
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#include <olectl.h>
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#include "util.h"
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extern "C"
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{
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// extract a IStream from a jobject
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IStream *extractStream(JNIEnv *env, jobject arg)
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{
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jclass argClass = env->GetObjectClass(arg);
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jfieldID ajf = env->GetFieldID( argClass, "m_pStream", "I");
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jint anum = env->GetIntField(arg, ajf);
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IStream *v = (IStream *)anum;
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return v;
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}
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JNIEXPORT void JNICALL Java_com_jacob_com_DispatchProxy_MarshalIntoStream
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(JNIEnv *env, jobject _this, jobject disp)
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{
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IDispatch *pIDispatch = extractDispatch(env, disp);
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if (!pIDispatch) return;
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IStream *ps; // this is the stream we will marshall into
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HRESULT hr = CoMarshalInterThreadInterfaceInStream(
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IID_IDispatch, pIDispatch, &ps);
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if (!SUCCEEDED(hr))
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{
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ThrowComFail(env, "Could not Marshal Dispatch into IStream", hr);
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return;
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}
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// store the stream pointer on the object
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jclass argClass = env->GetObjectClass(_this);
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jfieldID ajf = env->GetFieldID( argClass, "m_pStream", "I");
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env->SetIntField(_this, ajf, (jint)ps);
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}
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JNIEXPORT jobject JNICALL Java_com_jacob_com_DispatchProxy_MarshalFromStream
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(JNIEnv *env, jobject _this)
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{
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IStream *ps = extractStream(env, _this);
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if (!ps)
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{
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ThrowComFail(env, "Could not get IStream from DispatchProxy", -1);
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return NULL;
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}
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IDispatch *pD;
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HRESULT hr = CoGetInterfaceAndReleaseStream(ps, IID_IDispatch, (void **)&pD);
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// zero out the stream pointer on the object
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// since the stream can only be read once
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jclass argClass = env->GetObjectClass(_this);
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jfieldID ajf = env->GetFieldID( argClass, "m_pStream", "I");
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env->SetIntField(_this, ajf, (unsigned int)0);
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if (!SUCCEEDED(hr))
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{
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ThrowComFail(env, "Could not Marshal Dispatch from IStream", hr);
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return NULL;
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}
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jclass autoClass = env->FindClass("com/jacob/com/Dispatch");
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jmethodID autoCons = env->GetMethodID(autoClass, "<init>", "(I)V");
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// construct a Dispatch object to return
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// I am copying the pointer to java
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if (pD) pD->AddRef();
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jobject newAuto = env->NewObject(autoClass, autoCons, pD);
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return newAuto;
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}
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JNIEXPORT void JNICALL Java_com_jacob_com_DispatchProxy_release
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(JNIEnv *env, jobject _this)
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{
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IStream *ps = extractStream(env, _this);
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if (ps) {
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ps->Release();
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jclass argClass = env->GetObjectClass(_this);
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jfieldID ajf = env->GetFieldID( argClass, "m_pStream", "I");
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env->SetIntField(_this, ajf, (unsigned int)0);
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}
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}
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}
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