C++ (Cpp) IAppHostProperty::get_Exception Examples

Example #1

File: moduleconfig.cpp Project: mrG7/modsec-api

HRESULT 
MODSECURITY_STORED_CONTEXT::GetStringPropertyValue( 
        IAppHostElement*            pElement,
        WCHAR*                      pszPropertyName,
        IAppHostPropertyException** pException,
        WCHAR**                     ppszValue )
{
    HRESULT                 hr              = S_OK;
    IAppHostProperty        *pProperty      = NULL;    
    DWORD                   dwLength;
    VARIANT                 vPropertyValue;

    if ( 
           ( pElement        == NULL ) || 
           ( pszPropertyName == NULL ) ||
           ( pException      == NULL ) ||
           ( ppszValue       == NULL )
       )
    {
        hr = E_INVALIDARG;
        goto Failure;
    }

    *ppszValue = NULL;

    // Get the property object for the string attribute:
    hr = pElement->GetPropertyByName( 
                        pszPropertyName,
                        &pProperty );

    if ( FAILED( hr ) )
    {
        goto Failure;
    }

    if ( pProperty == NULL )
    {
        hr = E_UNEXPECTED;
        goto Failure;
    }

    // Get the attribute value:
    VariantInit( &vPropertyValue );

    hr = pProperty->get_Value( &vPropertyValue );

    if ( FAILED( hr ) )
    {
        goto Failure;
    }

    // See it there is an exception that might be due to the actual value in the 
    // config not meeting validation criteria
    *pException = NULL;

    hr = pProperty->get_Exception( pException );

    if ( FAILED( hr ) )
    {
        goto Failure;
    }

    // No need to continue if we got an exception...
    if ( ( *pException ) != NULL )
    {
        goto Failure;
    }

    // Finally, get the value:
    dwLength = SysStringLen( vPropertyValue.bstrVal );
    *ppszValue = new WCHAR[ dwLength + 1 ];

    if ( (*ppszValue) == NULL )
    {
        hr = E_OUTOFMEMORY;
        goto Failure;
    }

    wcsncpy(
        *ppszValue,
        vPropertyValue.bstrVal,
        dwLength );

    (*ppszValue)[ dwLength ] = L'\0';
    
Failure:
    VariantClear( &vPropertyValue );

    if ( pProperty != NULL )
    {
        pProperty->Release();
        pProperty = NULL;
    }

    return hr;
}

Example #2

File: moduleconfig.cpp Project: mrG7/modsec-api

HRESULT 
MODSECURITY_STORED_CONTEXT::GetTimeSpanPropertyValue( 
        IAppHostElement*            pElement,
        WCHAR*                      pszPropertyName,
        IAppHostPropertyException** pException,
        ULONGLONG*                 pnValue )
{
    HRESULT                 hr              = S_OK;
    IAppHostProperty        *pProperty      = NULL;    
    VARIANT                 vPropertyValue;

    if ( 
           ( pElement        == NULL ) || 
           ( pszPropertyName == NULL ) ||
           ( pException      == NULL ) ||
           ( pnValue         == NULL )
       )
    {
        hr = E_INVALIDARG;
        goto Failure;
    }

    // Get the property object for the INT attribute:
    hr = pElement->GetPropertyByName( 
                        pszPropertyName,
                        &pProperty );

    if ( FAILED( hr ) )
    {
        goto Failure;
    }

    if ( pProperty == NULL )
    {
        hr = E_UNEXPECTED;
        goto Failure;
    }

    // Get the attribute value:
    VariantInit( &vPropertyValue );

    hr = pProperty->get_Value( &vPropertyValue );

    if ( FAILED( hr ) )
    {
        goto Failure;
    }

    // See it there is an exception that might be due to the actual value in the 
    // config not meeting validation criteria
    *pException = NULL;

    hr = pProperty->get_Exception( pException );

    if ( FAILED( hr ) )
    {
        goto Failure;
    }

    // No need to continue if we got an exception...
    if ( ( *pException ) != NULL )
    {
        goto Failure;
    }

    // Finally, get the value:
    *pnValue =  vPropertyValue.ullVal;  

Failure:
    VariantClear( &vPropertyValue );

    if ( pProperty != NULL )
    {
        pProperty->Release();
        pProperty = NULL;
    }

    return hr;
}