loplugin:ostr in io

Change-Id: I68bb665798edf464020c8c3a6f7d9c9f5e85869e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167379
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins

14 files changed, 73 insertions, 73 deletions

diff --git a/io/qa/textinputstream.cxx b/io/qa/textinputstream.cxx
index dfeb478f975c..ddfbd3afd134 100644
--- a/io/qa/textinputstream.cxx
+++ b/io/qa/textinputstream.cxx
@@ -86,7 +86,7 @@ private:
     void checkClosed() {
         if (!open_) {
             throw css::io::NotConnectedException(
-                "test input stream already closed");
+                u"test input stream already closed"_ustr);
         }
     }
 
@@ -114,7 +114,7 @@ void Test::testReadLine() {
         css::io::TextInputStream::create(getComponentContext()));
     s->setInputStream(new Input);
     OUString l(s->readLine());
-    CPPUNIT_ASSERT_EQUAL(OUString("123456789"), l);
+    CPPUNIT_ASSERT_EQUAL(u"123456789"_ustr, l);
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
diff --git a/io/source/TextInputStream/TextInputStream.cxx b/io/source/TextInputStream/TextInputStream.cxx
index 29699e9adf9c..4dd0bd50dc25 100644
--- a/io/source/TextInputStream/TextInputStream.cxx
+++ b/io/source/TextInputStream/TextInputStream.cxx
@@ -128,7 +128,7 @@ OTextInputStream::~OTextInputStream()
 void OTextInputStream::checkNull()
 {
     if (mxStream==nullptr){
-        throw RuntimeException("Uninitialized object");
+        throw RuntimeException(u"Uninitialized object"_ustr);
     }
 }
 
@@ -163,7 +163,7 @@ OUString OTextInputStream::implReadString( const Sequence< sal_Unicode >& Delimi
     OUString aRetStr;
     if( !mbEncodingInitialized )
     {
-        setEncoding( "utf8" );
+        setEncoding( u"utf8"_ustr );
     }
     if( !mbEncodingInitialized )
         return aRetStr;
@@ -323,12 +323,12 @@ sal_Int32 OTextInputStream::implReadNext()
     }
     catch( NotConnectedException& )
     {
-        throw IOException("Not connected");
+        throw IOException(u"Not connected"_ustr);
         //throw IOException( L"OTextInputStream::implReadString failed" );
     }
     catch( BufferSizeExceededException& )
     {
-        throw IOException("Buffer size exceeded");
+        throw IOException(u"Buffer size exceeded"_ustr);
     }
 }
 
@@ -392,7 +392,7 @@ Reference< XInputStream > OTextInputStream::getInputStream()
 
 OUString OTextInputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.TextInputStream";
+    return u"com.sun.star.comp.io.TextInputStream"_ustr;
 }
 
 sal_Bool OTextInputStream::supportsService(const OUString& ServiceName)
@@ -402,7 +402,7 @@ sal_Bool OTextInputStream::supportsService(const OUString& ServiceName)
 
 Sequence< OUString > OTextInputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.TextInputStream" };
+    return { u"com.sun.star.io.TextInputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
diff --git a/io/source/TextOutputStream/TextOutputStream.cxx b/io/source/TextOutputStream/TextOutputStream.cxx
index e8706b407843..f576b9881672 100644
--- a/io/source/TextOutputStream/TextOutputStream.cxx
+++ b/io/source/TextOutputStream/TextOutputStream.cxx
@@ -150,7 +150,7 @@ void OTextOutputStream::writeString( const OUString& aString )
     checkOutputStream();
     if( !mbEncodingInitialized )
     {
-        setEncoding( "utf8" );
+        setEncoding( u"utf8"_ustr );
     }
     if( !mbEncodingInitialized )
         return;
@@ -195,7 +195,7 @@ void OTextOutputStream::closeOutput(  )
 void OTextOutputStream::checkOutputStream() const
 {
     if (! mxStream.is() )
-        throw IOException("output stream is not initialized, you have to use setOutputStream first");
+        throw IOException(u"output stream is not initialized, you have to use setOutputStream first"_ustr);
 }
 
 
@@ -213,7 +213,7 @@ Reference< XOutputStream > OTextOutputStream::getOutputStream()
 
 OUString OTextOutputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.TextOutputStream";
+    return u"com.sun.star.comp.io.TextOutputStream"_ustr;
 }
 
 sal_Bool OTextOutputStream::supportsService(const OUString& ServiceName)
@@ -223,7 +223,7 @@ sal_Bool OTextOutputStream::supportsService(const OUString& ServiceName)
 
 Sequence< OUString > OTextOutputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.TextOutputStream" };
+    return { u"com.sun.star.io.TextOutputStream"_ustr };
 }
 
 
diff --git a/io/source/acceptor/acc_pipe.cxx b/io/source/acceptor/acc_pipe.cxx
index c3af874498de..19c8f5914370 100644
--- a/io/source/acceptor/acc_pipe.cxx
+++ b/io/source/acceptor/acc_pipe.cxx
@@ -74,7 +74,7 @@ namespace io_acceptor
     {
         if( m_nStatus )
         {
-            throw IOException("pipe already closed");
+            throw IOException(u"pipe already closed"_ustr);
         }
         if( aReadBytes.getLength() < nBytesToRead )
         {
@@ -94,11 +94,11 @@ namespace io_acceptor
     {
         if( m_nStatus )
         {
-            throw IOException("pipe already closed");
+            throw IOException(u"pipe already closed"_ustr);
         }
         if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
         {
-            throw IOException("short write");
+            throw IOException(u"short write"_ustr);
         }
     }
 
diff --git a/io/source/acceptor/acc_socket.cxx b/io/source/acceptor/acc_socket.cxx
index c211acdc3ab5..59de95ec5bd7 100644
--- a/io/source/acceptor/acc_socket.cxx
+++ b/io/source/acceptor/acc_socket.cxx
@@ -186,7 +186,7 @@ namespace io_acceptor {
         }
         else
         {
-            IOException ioException("acc_socket.cxx:SocketConnection::read: error - connection already closed", static_cast<XConnection *>(this));
+            IOException ioException(u"acc_socket.cxx:SocketConnection::read: error - connection already closed"_ustr, static_cast<XConnection *>(this));
 
             Any any;
             any <<= ioException;
@@ -218,7 +218,7 @@ namespace io_acceptor {
         }
         else
         {
-            IOException ioException("acc_socket.cxx:SocketConnection::write: error - connection already closed", static_cast<XConnection *>(this));
+            IOException ioException(u"acc_socket.cxx:SocketConnection::write: error - connection already closed"_ustr, static_cast<XConnection *>(this));
 
             Any any;
             any <<= ioException;
diff --git a/io/source/acceptor/acceptor.cxx b/io/source/acceptor/acceptor.cxx
index af0883be9769..96e23da35631 100644
--- a/io/source/acceptor/acceptor.cxx
+++ b/io/source/acceptor/acceptor.cxx
@@ -111,7 +111,7 @@ Reference< XConnection > OAcceptor::accept( const OUString &sConnectionDescripti
         m_sLastDescription != sConnectionDescription )
     {
         // instantiate another acceptor for different ports
-        throw ConnectionSetupException( "acceptor::accept called multiple times with different connection strings\n" );
+        throw ConnectionSetupException( u"acceptor::accept called multiple times with different connection strings\n"_ustr );
     }
 
     if( m_sLastDescription.isEmpty() )
@@ -124,7 +124,7 @@ Reference< XConnection > OAcceptor::accept( const OUString &sConnectionDescripti
             {
                 OUString aName(
                     aDesc.getParameter(
-                        "name"));
+                        u"name"_ustr));
 
                 m_pPipe.reset(new io_acceptor::PipeAcceptor(aName, sConnectionDescription));
 
@@ -145,18 +145,18 @@ Reference< XConnection > OAcceptor::accept( const OUString &sConnectionDescripti
             {
                 OUString aHost;
                 if (aDesc.hasParameter(
-                        "host"))
+                        u"host"_ustr))
                     aHost = aDesc.getParameter(
-                        "host");
+                        u"host"_ustr);
                 else
                     aHost = "localhost";
                 sal_uInt16 nPort = static_cast< sal_uInt16 >(
                     aDesc.getParameter(
-                        "port").
+                        u"port"_ustr).
                     toInt32());
                 bool bTcpNoDelay
                     = aDesc.getParameter(
-                        "tcpnodelay").toInt32() != 0;
+                        u"tcpnodelay"_ustr).toInt32() != 0;
 
                 m_pSocket.reset(new io_acceptor::SocketAcceptor(
                     aHost, nPort, bTcpNoDelay, sConnectionDescription));
@@ -230,7 +230,7 @@ void SAL_CALL OAcceptor::stopAccepting(  )
 
 OUString OAcceptor::getImplementationName()
 {
-    return "com.sun.star.comp.io.Acceptor";
+    return u"com.sun.star.comp.io.Acceptor"_ustr;
 }
 
 sal_Bool OAcceptor::supportsService(const OUString& ServiceName)
@@ -240,7 +240,7 @@ sal_Bool OAcceptor::supportsService(const OUString& ServiceName)
 
 Sequence< OUString > OAcceptor::getSupportedServiceNames()
 {
-    return { "com.sun.star.connection.Acceptor" };
+    return { u"com.sun.star.connection.Acceptor"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
diff --git a/io/source/connector/connector.cxx b/io/source/connector/connector.cxx
index 15720b2423b2..a4426640749f 100644
--- a/io/source/connector/connector.cxx
+++ b/io/source/connector/connector.cxx
@@ -77,7 +77,7 @@ Reference< XConnection > SAL_CALL OConnector::connect( const OUString& sConnecti
         Reference< XConnection > r;
         if ( aDesc.getName() == "pipe" )
         {
-            OUString aName(aDesc.getParameter("name"));
+            OUString aName(aDesc.getParameter(u"name"_ustr));
 
             rtl::Reference<stoc_connector::PipeConnection> pConn(new stoc_connector::PipeConnection( sConnectionDescription ));
 
@@ -97,22 +97,22 @@ Reference< XConnection > SAL_CALL OConnector::connect( const OUString& sConnecti
         else if ( aDesc.getName() == "socket" )
         {
             OUString aHost;
-            if (aDesc.hasParameter("host"))
-                aHost = aDesc.getParameter("host");
+            if (aDesc.hasParameter(u"host"_ustr))
+                aHost = aDesc.getParameter(u"host"_ustr);
             else
                 aHost = "localhost";
             sal_uInt16 nPort = static_cast< sal_uInt16 >(
-                aDesc.getParameter("port").
+                aDesc.getParameter(u"port"_ustr).
                 toInt32());
             bool bTcpNoDelay
-                = aDesc.getParameter("tcpnodelay").toInt32() != 0;
+                = aDesc.getParameter(u"tcpnodelay"_ustr).toInt32() != 0;
 
             rtl::Reference<stoc_connector::SocketConnection> pConn(new stoc_connector::SocketConnection( sConnectionDescription));
 
             SocketAddr AddrTarget( aHost.pData, nPort );
             if(pConn->m_socket.connect(AddrTarget) != osl_Socket_Ok)
             {
-                OUString sMessage("Connector : couldn't connect to socket (");
+                OUString sMessage(u"Connector : couldn't connect to socket ("_ustr);
                 OUString sError = pConn->m_socket.getErrorAsString();
                 sMessage += sError + ")";
                 throw NoConnectException( sMessage );
@@ -152,7 +152,7 @@ Reference< XConnection > SAL_CALL OConnector::connect( const OUString& sConnecti
 
 OUString OConnector::getImplementationName()
 {
-    return "com.sun.star.comp.io.Connector";
+    return u"com.sun.star.comp.io.Connector"_ustr;
 }
 
 sal_Bool OConnector::supportsService(const OUString& ServiceName)
@@ -162,7 +162,7 @@ sal_Bool OConnector::supportsService(const OUString& ServiceName)
 
 Sequence< OUString > OConnector::getSupportedServiceNames()
 {
-    return { "com.sun.star.connection.Connector" };
+    return { u"com.sun.star.connection.Connector"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
diff --git a/io/source/connector/ctr_pipe.cxx b/io/source/connector/ctr_pipe.cxx
index ba3ca7fb761b..cc5b4cb56f95 100644
--- a/io/source/connector/ctr_pipe.cxx
+++ b/io/source/connector/ctr_pipe.cxx
@@ -52,7 +52,7 @@ namespace stoc_connector {
     {
         if( m_nStatus )
         {
-            throw IOException("pipe already closed");
+            throw IOException(u"pipe already closed"_ustr);
         }
         if( aReadBytes.getLength() != nBytesToRead )
         {
@@ -66,11 +66,11 @@ namespace stoc_connector {
     {
         if( m_nStatus )
         {
-            throw IOException("pipe already closed");
+            throw IOException(u"pipe already closed"_ustr);
         }
         if( m_pipe.write( seq.getConstArray() , seq.getLength() ) != seq.getLength() )
         {
-            throw IOException("short write");
+            throw IOException(u"short write"_ustr);
         }
     }
 
diff --git a/io/source/connector/ctr_socket.cxx b/io/source/connector/ctr_socket.cxx
index 0edb32ffc2d0..540de0db52cb 100644
--- a/io/source/connector/ctr_socket.cxx
+++ b/io/source/connector/ctr_socket.cxx
@@ -143,7 +143,7 @@ namespace stoc_connector {
         }
         else
         {
-            IOException ioException("ctr_socket.cxx:SocketConnection::read: error - connection already closed", static_cast<XConnection *>(this));
+            IOException ioException(u"ctr_socket.cxx:SocketConnection::read: error - connection already closed"_ustr, static_cast<XConnection *>(this));
 
             Any any;
             any <<= ioException;
@@ -175,7 +175,7 @@ namespace stoc_connector {
         }
         else
         {
-            IOException ioException("ctr_socket.cxx:SocketConnection::write: error - connection already closed", static_cast<XConnection *>(this));
+            IOException ioException(u"ctr_socket.cxx:SocketConnection::write: error - connection already closed"_ustr, static_cast<XConnection *>(this));
 
             Any any;
             any <<= ioException;
diff --git a/io/source/stm/odata.cxx b/io/source/stm/odata.cxx
index 881b0cda132a..7391a2062cce 100644
--- a/io/source/stm/odata.cxx
+++ b/io/source/stm/odata.cxx
@@ -388,7 +388,7 @@ Reference < XConnectable > ODataInputStream::getPredecessor()
 // XServiceInfo
 OUString ODataInputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.DataInputStream";
+    return u"com.sun.star.comp.io.stm.DataInputStream"_ustr;
 }
 
 // XServiceInfo
@@ -400,7 +400,7 @@ sal_Bool ODataInputStream::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > ODataInputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.DataInputStream" };
+    return { u"com.sun.star.io.DataInputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
@@ -682,7 +682,7 @@ Reference < XConnectable > ODataOutputStream::getPredecessor()
 // XServiceInfo
 OUString ODataOutputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.DataOutputStream";
+    return u"com.sun.star.comp.io.stm.DataOutputStream"_ustr;
 }
 
 // XServiceInfo
@@ -694,7 +694,7 @@ sal_Bool ODataOutputStream::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > ODataOutputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.DataOutputStream" };
+    return { u"com.sun.star.io.DataOutputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
@@ -942,7 +942,7 @@ sal_Int32 OObjectOutputStream::offsetToMark(sal_Int32 nMark)
 // XServiceInfo
 OUString OObjectOutputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.ObjectOutputStream";
+    return u"com.sun.star.comp.io.stm.ObjectOutputStream"_ustr;
 }
 
 // XServiceInfo
@@ -954,7 +954,7 @@ sal_Bool OObjectOutputStream::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > OObjectOutputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.ObjectOutputStream" };
+    return { u"com.sun.star.io.ObjectOutputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
@@ -1200,7 +1200,7 @@ sal_Int32 OObjectInputStream::offsetToMark(sal_Int32 nMark)
 // XServiceInfo
 OUString OObjectInputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.ObjectInputStream";
+    return u"com.sun.star.comp.io.stm.ObjectInputStream"_ustr;
 }
 
 // XServiceInfo
@@ -1212,7 +1212,7 @@ sal_Bool OObjectInputStream::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > OObjectInputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.ObjectInputStream" };
+    return { u"com.sun.star.io.ObjectInputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
diff --git a/io/source/stm/omark.cxx b/io/source/stm/omark.cxx
index 9cc5959f1f13..8cac97e230bd 100644
--- a/io/source/stm/omark.cxx
+++ b/io/source/stm/omark.cxx
@@ -342,7 +342,7 @@ void OMarkableOutputStream::checkMarksAndFlush()
 // XServiceInfo
 OUString OMarkableOutputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.MarkableOutputStream";
+    return u"com.sun.star.comp.io.stm.MarkableOutputStream"_ustr;
 }
 
 // XServiceInfo
@@ -354,7 +354,7 @@ sal_Bool OMarkableOutputStream::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > OMarkableOutputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.MarkableOutputStream" };
+    return { u"com.sun.star.io.MarkableOutputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
@@ -449,7 +449,7 @@ sal_Int32 OMarkableInputStream::readBytes(Sequence< sal_Int8 >& aData, sal_Int32
 
     if( !m_bValidStream ) {
         throw NotConnectedException(
-            "MarkableInputStream::readBytes NotConnectedException",
+            u"MarkableInputStream::readBytes NotConnectedException"_ustr,
             *this );
     }
     std::unique_lock guard( m_mutex );
@@ -493,7 +493,7 @@ sal_Int32 OMarkableInputStream::readSomeBytes(Sequence< sal_Int8 >& aData, sal_I
     sal_Int32 nBytesRead;
     if( !m_bValidStream )    {
         throw NotConnectedException(
-            "MarkableInputStream::readSomeBytes NotConnectedException",
+            u"MarkableInputStream::readSomeBytes NotConnectedException"_ustr,
             *this );
     }
 
@@ -540,7 +540,7 @@ void OMarkableInputStream::skipBytes(sal_Int32 nBytesToSkip)
 {
     if ( nBytesToSkip < 0 )
         throw BufferSizeExceededException(
-            "precondition not met: XInputStream::skipBytes: non-negative integer required!",
+            u"precondition not met: XInputStream::skipBytes: non-negative integer required!"_ustr,
             *this
         );
 
@@ -553,7 +553,7 @@ sal_Int32 OMarkableInputStream::available()
 {
     if( !m_bValidStream )    {
         throw NotConnectedException(
-            "MarkableInputStream::available NotConnectedException",
+            u"MarkableInputStream::available NotConnectedException"_ustr,
             *this );
     }
 
@@ -567,7 +567,7 @@ void OMarkableInputStream::closeInput()
 {
     if( !m_bValidStream ) {
         throw NotConnectedException(
-            "MarkableInputStream::closeInput NotConnectedException",
+            u"MarkableInputStream::closeInput NotConnectedException"_ustr,
             *this );
     }
     std::unique_lock guard( m_mutex );
@@ -737,7 +737,7 @@ void OMarkableInputStream::checkMarksAndFlush()
 // XServiceInfo
 OUString OMarkableInputStream::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.MarkableInputStream";
+    return u"com.sun.star.comp.io.stm.MarkableInputStream"_ustr;
 }
 
 // XServiceInfo
@@ -749,7 +749,7 @@ sal_Bool OMarkableInputStream::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > OMarkableInputStream::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.MarkableInputStream" };
+    return { u"com.sun.star.io.MarkableInputStream"_ustr };
 }
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
diff --git a/io/source/stm/opipe.cxx b/io/source/stm/opipe.cxx
index 22e6218f3ef9..5c0e672dff1e 100644
--- a/io/source/stm/opipe.cxx
+++ b/io/source/stm/opipe.cxx
@@ -118,7 +118,7 @@ sal_Int32 OPipeImpl::readBytes(Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRe
             if( m_bInputStreamClosed )
             {
                 throw NotConnectedException(
-                    "Pipe::readBytes NotConnectedException",
+                    u"Pipe::readBytes NotConnectedException"_ustr,
                     *this );
             }
             sal_Int32 nOccupiedBufferLen = m_oFIFO->getSize();
@@ -154,7 +154,7 @@ sal_Int32 OPipeImpl::readSomeBytes(Sequence< sal_Int8 >& aData, sal_Int32 nMaxBy
             if( m_bInputStreamClosed )
             {
                 throw NotConnectedException(
-                    "Pipe::readSomeBytes NotConnectedException",
+                    u"Pipe::readSomeBytes NotConnectedException"_ustr,
                     *this );
             }
             if( m_oFIFO->getSize() )
@@ -183,7 +183,7 @@ void OPipeImpl::skipBytes(sal_Int32 nBytesToSkip)
     if( m_bInputStreamClosed )
     {
         throw NotConnectedException(
-            "Pipe::skipBytes NotConnectedException",
+            u"Pipe::skipBytes NotConnectedException"_ustr,
             *this );
     }
 
@@ -192,7 +192,7 @@ void OPipeImpl::skipBytes(sal_Int32 nBytesToSkip)
             > std::numeric_limits< sal_Int32 >::max() - m_nBytesToSkip) )
     {
         throw BufferSizeExceededException(
-            "Pipe::skipBytes BufferSizeExceededException",
+            u"Pipe::skipBytes BufferSizeExceededException"_ustr,
             *this );
     }
     m_nBytesToSkip += nBytesToSkip;
@@ -209,7 +209,7 @@ sal_Int32 OPipeImpl::available()
     if( m_bInputStreamClosed )
     {
         throw NotConnectedException(
-            "Pipe::available NotConnectedException",
+            u"Pipe::available NotConnectedException"_ustr,
             *this );
     }
     return m_oFIFO->getSize();
@@ -237,14 +237,14 @@ void OPipeImpl::writeBytes(const Sequence< sal_Int8 >& aData)
     if( m_bOutputStreamClosed )
     {
         throw NotConnectedException(
-            "Pipe::writeBytes NotConnectedException (outputstream)",
+            u"Pipe::writeBytes NotConnectedException (outputstream)"_ustr,
             *this );
     }
 
     if( m_bInputStreamClosed )
     {
         throw NotConnectedException(
-            "Pipe::writeBytes NotConnectedException (inputstream)",
+            u"Pipe::writeBytes NotConnectedException (inputstream)"_ustr,
             *this );
     }
 
@@ -331,7 +331,7 @@ Reference < XConnectable > OPipeImpl::getPredecessor()
 // XServiceInfo
 OUString OPipeImpl::getImplementationName()
 {
-    return "com.sun.star.comp.io.stm.Pipe";
+    return u"com.sun.star.comp.io.stm.Pipe"_ustr;
 }
 
 // XServiceInfo
@@ -343,7 +343,7 @@ sal_Bool OPipeImpl::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > OPipeImpl::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.Pipe" };
+    return { u"com.sun.star.io.Pipe"_ustr };
 }
 
 }
diff --git a/io/source/stm/opump.cxx b/io/source/stm/opump.cxx
index 62f6e85c3b95..febd86b26333 100644
--- a/io/source/stm/opump.cxx
+++ b/io/source/stm/opump.cxx
@@ -262,14 +262,14 @@ void Pump::run()
 
             if( ! rInput.is() )
             {
-                throw NotConnectedException( "no input stream set", getXWeak() );
+                throw NotConnectedException( u"no input stream set"_ustr, getXWeak() );
             }
             Sequence< sal_Int8 > aData;
             while( rInput->readSomeBytes( aData, 65536 ) )
             {
                 if( ! rOutput.is() )
                 {
-                    throw NotConnectedException( "no output stream set", getXWeak() );
+                    throw NotConnectedException( u"no output stream set"_ustr, getXWeak() );
                 }
                 rOutput->writeBytes( aData );
                 osl_yieldThread();
@@ -357,7 +357,7 @@ void Pump::start()
     if( !m_aThread )
     {
         throw RuntimeException(
-            "Pump::start Couldn't create worker thread",
+            u"Pump::start Couldn't create worker thread"_ustr,
             *this);
     }
 
@@ -426,7 +426,7 @@ Reference< XOutputStream > Pump::getOutputStream()
 // XServiceInfo
 OUString Pump::getImplementationName()
 {
-    return "com.sun.star.comp.io.Pump";
+    return u"com.sun.star.comp.io.Pump"_ustr;
 }
 
 // XServiceInfo
@@ -438,7 +438,7 @@ sal_Bool Pump::supportsService(const OUString& ServiceName)
 // XServiceInfo
 Sequence< OUString > Pump::getSupportedServiceNames()
 {
-    return { "com.sun.star.io.Pump" };
+    return { u"com.sun.star.io.Pump"_ustr };
 }
 
 }
diff --git a/io/source/stm/streamhelper.cxx b/io/source/stm/streamhelper.cxx
index 0933ac966f8f..c682ecaad513 100644
--- a/io/source/stm/streamhelper.cxx
+++ b/io/source/stm/streamhelper.cxx
@@ -74,7 +74,7 @@ void MemRingBuffer::resizeBuffer( sal_Int32 nMinSize )
     auto p = static_cast<sal_Int8*>(std::realloc(m_p, nNewLen));
     if (!p)
         throw css::io::BufferSizeExceededException(
-            "MemRingBuffer::resizeBuffer BufferSizeExceededException");
+            u"MemRingBuffer::resizeBuffer BufferSizeExceededException"_ustr);
 
     m_p = p;
 
@@ -91,7 +91,7 @@ void MemRingBuffer::readAt( sal_Int32 nPos, Sequence<sal_Int8> &seq , sal_Int32
 {
     if( nPos + nBytesToRead > m_nOccupiedBuffer ) {
         throw css::io::BufferSizeExceededException(
-            "MemRingBuffer::readAt BufferSizeExceededException");
+            u"MemRingBuffer::readAt BufferSizeExceededException"_ustr);
     }
 
     sal_Int32 nStartReadingPos = nPos + m_nStart;
@@ -120,7 +120,7 @@ void MemRingBuffer::writeAt( sal_Int32 nPos, const Sequence<sal_Int8> &seq )
     if( nPos < 0 || nPos > std::numeric_limits< sal_Int32 >::max() - nLen )
     {
         throw css::io::BufferSizeExceededException(
-            "MemRingBuffer::writeAt BufferSizeExceededException");
+            u"MemRingBuffer::writeAt BufferSizeExceededException"_ustr);
     }
 
     if( nPos + nLen - m_nOccupiedBuffer > 0 ) {
@@ -157,7 +157,7 @@ void MemRingBuffer::forgetFromStart( sal_Int32 nBytesToForget )
     checkInvariants();
     if( nBytesToForget > m_nOccupiedBuffer ) {
         throw css::io::BufferSizeExceededException(
-            "MemRingBuffer::forgetFromStart BufferSizeExceededException");
+            u"MemRingBuffer::forgetFromStart BufferSizeExceededException"_ustr);
     }
     m_nStart += nBytesToForget;
     if( m_nStart >= m_nBufferLen ) {