winmsiwrapper.cpp

JDesktop Integration Components （JDIC）

/*
 * Class:     WinMsiWrapper
 * Method:    MsiCloseAllHandles
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_msiCloseAllHandles
  (JNIEnv * env, jclass jc)
{
    return MsiCloseAllHandles();
}    

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    MsiDatabaseGenerateTransform
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_msiDatabaseGenerateTransform
(JNIEnv * env, jclass jc, jint hDatabase, jint hDatabaseReference, jbyteArray transformFile)
{
	int errorCode = -1;
	//Constructs the paramter
	LPCTSTR szTransformFile = (LPCTSTR) env->GetByteArrayElements(transformFile, NULL);
	//Windows API invocation
	errorCode = MsiDatabaseGenerateTransform((MSIHANDLE) hDatabase, (MSIHANDLE) hDatabaseReference, (LPCTSTR)szTransformFile, 0, 0);
	//Release the string
	env->ReleaseByteArrayElements(transformFile, (signed char*)szTransformFile, 0);
	return errorCode;
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    MsiCreateTransformSummaryInfo
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_msiCreateTransformSummaryInfo
(JNIEnv * env, jclass jc, jint hDatabase, jint hDatabaseReference, jbyteArray transformFile)
{
	int errorCode = -1;
	//Constructs the paramter
	LPCTSTR szTransformFile = (LPCTSTR) env->GetByteArrayElements(transformFile, NULL);
	//Windows API invocation
	errorCode = MsiCreateTransformSummaryInfo((MSIHANDLE) hDatabase, (MSIHANDLE) hDatabaseReference, (LPCTSTR)szTransformFile, 0, 0);
	//Release the string
	env->ReleaseByteArrayElements(transformFile, (signed char*)szTransformFile, 0);
	return errorCode;
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    UpdateResourceString
 * Signature: ([B[BI)I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_updateResourceString
(JNIEnv * env, jclass jc, jbyteArray appName, jbyteArray contentStr, jint resID)
{
    //Construct the parameter
    LPCTSTR szAppName = (LPCTSTR)env->GetByteArrayElements(appName, NULL);
    LPCTSTR szContentStr = (LPCTSTR)env->GetByteArrayElements(contentStr, NULL);
    HANDLE hUpdateApp;
    //Get the handle to the application
    hUpdateApp = BeginUpdateResource(szAppName, false);
    if (hUpdateApp != NULL)
    {
        //Get the resource length
        int nStrLen = strlen(szContentStr);
        DWORD dwResSize = (nStrLen + 2) * sizeof(WCHAR);
        //prepare the string resources block
        LPVOID pRes = malloc(dwResSize);
        if (pRes != NULL)
        {
            WCHAR* pResChar = (WCHAR*)pRes;
            *pResChar++ = nStrLen;
            for (int i = 0; i < nStrLen; i++)
            {
                *pResChar++ = szContentStr[i];
            }
            UINT nBlockID = (resID / 16) + 1;
            if (UpdateResource(hUpdateApp,
                                RT_STRING,
                                MAKEINTRESOURCE(nBlockID),
                                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                                (LPVOID)pRes,
                                dwResSize))
            {
                if (EndUpdateResource(hUpdateApp, false))
                {
                    //Release the string
	                env->ReleaseByteArrayElements(appName, (signed char*)szAppName, 0);
	                env->ReleaseByteArrayElements(contentStr, (signed char*)szContentStr, 0);
	                free(pRes);
                    return 0;
                }
            }
            free(pRes);
        }
    }
    //Release the string
	env->ReleaseByteArrayElements(appName, (signed char*)szAppName, 0);
	env->ReleaseByteArrayElements(contentStr, (signed char*)szContentStr, 0);    
    return -1;
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    UpdateResourceData
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_updateResourceData
(JNIEnv * env, jclass jc, jbyteArray appName, jbyteArray dataFileName, jint resID)
{
    //Construct the parameter
    LPCTSTR szAppName = (LPCTSTR)env->GetByteArrayElements(appName, NULL);
    LPCTSTR szDataFileName = (LPCTSTR)env->GetByteArrayElements(dataFileName, NULL);
    
    HANDLE hFile;
    DWORD dwFileSize, dwBytesRead;
    LPBYTE lpBuffer;
    //Open the data file
    hFile = CreateFile(szDataFileName,
                       GENERIC_READ,
                       0,
                       NULL,
                       OPEN_EXISTING,
                       FILE_ATTRIBUTE_NORMAL,
                       NULL);
    if (INVALID_HANDLE_VALUE != hFile)
    {
        dwFileSize = GetFileSize(hFile, NULL);
        lpBuffer = new BYTE[dwFileSize];
        if (ReadFile(hFile, lpBuffer, dwFileSize, &dwBytesRead, NULL) != FALSE)
        {
            HANDLE hResource;
            hResource = BeginUpdateResource(szAppName, false);
            if (hResource != NULL)
            {
                if (UpdateResource(hResource,
                                   RT_RCDATA,
                                   MAKEINTRESOURCE(104),
                                   MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                                   (LPVOID) lpBuffer,
                                   dwFileSize) != FALSE) 
                {
                    EndUpdateResource(hResource, FALSE);
                }
            }
        }
        delete[] lpBuffer;
        CloseHandle(hFile);
        //Release the string
	    env->ReleaseByteArrayElements(appName, (signed char*)szAppName, 0);
	    env->ReleaseByteArrayElements(dataFileName, (signed char*)szDataFileName, 0);
        return 0;
    }
    //Release the string
	env->ReleaseByteArrayElements(appName, (signed char*)szAppName, 0);
	env->ReleaseByteArrayElements(dataFileName, (signed char*)szDataFileName, 0);
    return -1;
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    genUUID
 * Signature: ()[B
 */
JNIEXPORT jbyteArray JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_genUUID
  (JNIEnv * env, jclass jc)
{
	jbyteArray result = NULL;
	unsigned char UUIDBuffer[MAX_RECORD_STRING_LENGTH];
	char UUIDString[MAX_RECORD_STRING_LENGTH];
    UUID newUUID;
	UuidCreate(&newUUID);
	unsigned char * pStrUUID = UUIDBuffer;
	if (UuidToString(&newUUID, (unsigned char **)&pStrUUID) != RPC_S_UUID_NO_ADDRESS)
	{
	    sprintf(UUIDString, "%s", pStrUUID);
	    int bufCount = strlen(UUIDString);
        result = env->NewByteArray(bufCount);
  		if (result != NULL) 
		{
			env->SetByteArrayRegion(result, 0, bufCount, (jbyte *) UUIDString);
		}
        return result;
	}
	return NULL;
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    MsiCreateRecord
 * Signature: (I)I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_msiCreateRecord
  (JNIEnv * env, jclass jc, jint numRecords)
{
    int msiRecordHandle;
    msiRecordHandle = MsiCreateRecord(numRecords);
    if ( msiRecordHandle != NULL) 
    {
        return msiRecordHandle;      
    }
    else 
    {
        return -1;
    }
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    MsiDatabaseImport
 * Signature: (I[B[B)I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_msiDatabaseImport
  (JNIEnv * env, jclass jc, jint hDatabase, jbyteArray folderPath, jbyteArray txtFileName)
{
    //Construct the parameter
    LPCTSTR szFolderPath = (LPCTSTR)env->GetByteArrayElements(folderPath, NULL);
    LPCTSTR szFileName = (LPCTSTR)env->GetByteArrayElements(txtFileName, NULL);
    int errorCode = MsiDatabaseImport(hDatabase, szFolderPath, szFileName);
    //Release the string
	env->ReleaseByteArrayElements(folderPath, (signed char*)szFolderPath, 0);
	env->ReleaseByteArrayElements(txtFileName, (signed char*)szFileName, 0);
	return errorCode;
}

/*
 * Class:     org_jdesktop_jdic_packager_impl_WinMsiWrapper
 * Method:    MsiDatabaseApplyTransform
 * Signature: (I[BI)I
 */
JNIEXPORT jint JNICALL Java_org_jdesktop_jdic_packager_impl_WinMsiWrapper_msiDatabaseApplyTransform
  (JNIEnv * env, jclass jc, jint hDatabase, jbyteArray tranformFile, jint iErrorConditions)
{
    //Construct the parameter
    LPCTSTR szTransformFile = (LPCTSTR)env->GetByteArrayElements(tranformFile, NULL);
    int errorCode = MsiDatabaseApplyTransform(hDatabase, szTransformFile, iErrorConditions);
    //Release the string
	env->ReleaseByteArrayElements(tranformFile, (signed char*)szTransformFile, 0);
    return errorCode;
}

#ifdef __cplusplus
}
#endif