rik/jlibcom
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1340233 protect Dispatch constructor

Browse Source 
1185167 Connect to running instance -- experimental API
This commit is contained in:
clay_shooter
2005-10-28 03:23:20 +00:00
parent 5e6befda59
commit 08305d4ead
8 changed files with 375 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
jni/Dispatch.cpp
View File

@@ -84,6 +84,11 @@ JNIEXPORT jobject JNICALL Java_com_jacob_com_Dispatch_QueryInterface
return newAuto;
}
/**
* starts up a new instance of the requested program (progId)
* and connects to it. does special code if the progid
* is of the alternate format (with ":")
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_createInstance
(JNIEnv *env, jobject _this, jstring _progid)
{
@@ -146,6 +151,92 @@ doDisp:
env->SetIntField(_this, jf, (unsigned int)pIDispatch);
}
/**
* attempts to connect to an running instance of the requested program
* This exists solely for the factory method connectToActiveInstance.
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_getActiveInstance
(JNIEnv *env, jobject _this, jstring _progid)
{
jclass clazz = env->GetObjectClass(_this);
jfieldID jf = env->GetFieldID( clazz, DISP_FLD, "I");
const char *progid = env->GetStringUTFChars(_progid, NULL);
CLSID clsid;
HRESULT hr;
IUnknown *punk = NULL;
IDispatch *pIDispatch;
USES_CONVERSION;
LPOLESTR bsProgId = A2W(progid);
env->ReleaseStringUTFChars(_progid, progid);
// Now, try to find an IDispatch interface for progid
hr = CLSIDFromProgID(bsProgId, &clsid);
if (FAILED(hr)) {
ThrowComFail(env, "Can't get object clsid from progid", hr);
return;
}
// standard connection
//printf("trying to connect to running %ls\n",bsProgId);
hr = GetActiveObject(clsid,NULL, &punk);
if (!SUCCEEDED(hr)) {
ThrowComFail(env, "Can't get active object", hr);
return;
}
// now get an IDispatch pointer from the IUnknown
hr = punk->QueryInterface(IID_IDispatch, (void **)&pIDispatch);
if (!SUCCEEDED(hr)) {
ThrowComFail(env, "Can't QI object for IDispatch", hr);
return;
}
// GetActiveObject called AddRef
punk->Release();
env->SetIntField(_this, jf, (unsigned int)pIDispatch);
}
/**
* starts up a new instance of the requested program (progId).
* This exists solely for the factory method connectToActiveInstance.
**/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_coCreateInstance
(JNIEnv *env, jobject _this, jstring _progid)
{
jclass clazz = env->GetObjectClass(_this);
jfieldID jf = env->GetFieldID( clazz, DISP_FLD, "I");
const char *progid = env->GetStringUTFChars(_progid, NULL);
CLSID clsid;
HRESULT hr;
IUnknown *punk = NULL;
IDispatch *pIDispatch;
USES_CONVERSION;
LPOLESTR bsProgId = A2W(progid);
env->ReleaseStringUTFChars(_progid, progid);
// Now, try to find an IDispatch interface for progid
hr = CLSIDFromProgID(bsProgId, &clsid);
if (FAILED(hr)) {
ThrowComFail(env, "Can't get object clsid from progid", hr);
return;
}
// standard creation
hr = CoCreateInstance(clsid,NULL,CLSCTX_LOCAL_SERVER|CLSCTX_INPROC_SERVER,IID_IUnknown, (void **)&punk);
if (!SUCCEEDED(hr)) {
ThrowComFail(env, "Can't co-create object", hr);
return;
}
// now get an IDispatch pointer from the IUnknown
hr = punk->QueryInterface(IID_IDispatch, (void **)&pIDispatch);
if (!SUCCEEDED(hr)) {
ThrowComFail(env, "Can't QI object for IDispatch", hr);
return;
}
// CoCreateInstance called AddRef
punk->Release();
env->SetIntField(_this, jf, (unsigned int)pIDispatch);
}
/**
* release method
*/
JNIEXPORT void JNICALL Java_com_jacob_com_Dispatch_release
(JNIEnv *env, jobject _this)
{