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-rw-r--r--io/source/TextInputStream/TextInputStream.cxx18
1 files changed, 18 insertions, 0 deletions
diff --git a/io/source/TextInputStream/TextInputStream.cxx b/io/source/TextInputStream/TextInputStream.cxx
index 9f7c884725cd..1ce12a6e796e 100644
--- a/io/source/TextInputStream/TextInputStream.cxx
+++ b/io/source/TextInputStream/TextInputStream.cxx
@@ -72,6 +72,8 @@ class OTextInputStream : public WeakImplHelper< XTextInputStream2, XServiceInfo
/// @throws IOException
/// @throws RuntimeException
sal_Int32 implReadNext();
+ /// @throws RuntimeException
+ void checkNull();
public:
OTextInputStream();
@@ -122,22 +124,33 @@ OTextInputStream::~OTextInputStream()
}
}
+// Check uninitialized object
+
+void OTextInputStream::checkNull()
+{
+ if (mxStream==nullptr){
+ throw RuntimeException("Uninitialized object");
+ }
+}
// XTextInputStream
OUString OTextInputStream::readLine( )
{
+ checkNull();
static Sequence< sal_Unicode > aDummySeq;
return implReadString( aDummySeq, true, true );
}
OUString OTextInputStream::readString( const Sequence< sal_Unicode >& Delimiters, sal_Bool bRemoveDelimiter )
{
+ checkNull();
return implReadString( Delimiters, bRemoveDelimiter, false );
}
sal_Bool OTextInputStream::isEOF()
{
+ checkNull();
bool bRet = false;
if( mnCharsInBuffer == 0 && mbReachedEOF )
bRet = true;
@@ -337,26 +350,31 @@ void OTextInputStream::setEncoding( const OUString& Encoding )
sal_Int32 OTextInputStream::readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
{
+ checkNull();
return mxStream->readBytes( aData, nBytesToRead );
}
sal_Int32 OTextInputStream::readSomeBytes( Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
{
+ checkNull();
return mxStream->readSomeBytes( aData, nMaxBytesToRead );
}
void OTextInputStream::skipBytes( sal_Int32 nBytesToSkip )
{
+ checkNull();
mxStream->skipBytes( nBytesToSkip );
}
sal_Int32 OTextInputStream::available( )
{
+ checkNull();
return mxStream->available();
}
void OTextInputStream::closeInput( )
{
+ checkNull();
mxStream->closeInput();
}