Handle IOException during filter detection

Change-Id: Ie2b8b65f0f2b7b34efbba478a7ccda7ef3719bd6

filter/source/svg/svgfilter.cxx

@@ -360,6 +360,7 @@ OUString SAL_CALL SVGFilter::detect(Sequence<PropertyValue>& rDescriptor) throw
     if (!xInput.is())
         return OUString();
 
+    try {
         if (isStreamGZip(xInput))
         {
             boost::scoped_ptr<SvStream> aStream(utl::UcbStreamHelper::CreateStream(xInput, true ));
@@ -387,6 +388,9 @@ OUString SAL_CALL SVGFilter::detect(Sequence<PropertyValue>& rDescriptor) throw
             if (isStreamSvg(xInput))
                 return OUString(constFilterName);
         }
+    } catch (css::io::IOException & e) {
+        SAL_WARN("filter", "caught IOException " + e.Message);
+    }
     return OUString();
 }
 

sdext/source/pdfimport/filterdet.cxx

@@ -229,6 +229,8 @@ OUString SAL_CALL PDFDetector::detect( uno::Sequence< beans::PropertyValue >& rF
     }
     if( xInput.is() )
     {
+        oslFileHandle aFile = NULL;
+        try {
             uno::Reference< io::XSeekable > xSeek( xInput, uno::UNO_QUERY );
             if( xSeek.is() )
                 xSeek->seek( 0 );
@@ -255,7 +257,6 @@ OUString SAL_CALL PDFDetector::detect( uno::Sequence< beans::PropertyValue >& rF
             }
 
             // check for hybrid PDF
-        oslFileHandle aFile = NULL;
             if( bSuccess &&
                 ( aURL.isEmpty() || !comphelper::isFileUrl(aURL) )
             )
@@ -297,6 +298,10 @@ OUString SAL_CALL PDFDetector::detect( uno::Sequence< beans::PropertyValue >& rF
                 }
                 osl_closeFile( aFile );
             }
+        } catch (css::io::IOException & e) {
+            SAL_WARN("sdext.pdfimport", "caught IOException " + e.Message);
+            return OUString();
+        }
         OUString aEmbedMimetype;
         xEmbedStream = getAdditionalStream( aURL, aEmbedMimetype, aPwd, m_xContext, rFilterData, false );
         if( aFile )