ENH: Added SystemError exception; Throw SystemError exceptions when creating Dataset directory.

Code/Application/mvdApplication.cxx

@@ -96,7 +96,7 @@ Application::LoadDatasetModel( const QString& imageFilename,
 
     throw;
     }
-
+ 
   return model;
 }
 

Code/Common/mvdDatasetModel.cxx

@@ -25,6 +25,8 @@
 
 //
 // System includes (sorted by alphabetic order)
+#include <cerrno>
+#include <exception>
 
 //
 // ITK includes (sorted by alphabetic order)
@@ -34,6 +36,7 @@
 
 //
 // Monteverdi includes (sorted by alphabetic order)
+#include "mvdSystemError.h"
 #include "mvdVectorImageModel.h"
 
 namespace mvd
@@ -70,7 +73,22 @@ DatasetModel
 
   if( !pathDir.exists() )
     {
-    throw;
+    /*
+    qDebug() << "System error: " << errno << " -- '" << strerror( errno ) << "'";
+
+    QString message(
+      QString( "'%1': %2 '%3'" )
+      .arg( path )
+      .arg( errno )
+      .arg( strerror( errno ) )
+    );
+
+    qDebug() << "std::invalid_argument(" << message << ")";
+
+    throw std::invalid_argument( message.toAscii().constData() );
+    */
+
+    throw SystemError( QString( "('%1')" ).arg( path ).toAscii().constData() );
     }
 
   if( !pathDir.exists( name ) )
@@ -78,7 +96,9 @@ DatasetModel
     isEmpty = true;
 
     if( !pathDir.mkpath( name ) )
-      throw;
+      {
+      throw SystemError( QString( "('%1')" ).arg( name ).toAscii().constData() );
+      }
 
     // TODO: write empty descriptor.xml
     }

Code/Common/mvdSystemError.cxx

+/*=========================================================================
+
+  Program:   Monteverdi2
+  Language:  C++
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See Copyright.txt for details.
+
+  Monteverdi2 is distributed under the CeCILL licence version 2. See
+  Licence_CeCILL_V2-en.txt or
+  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt for more details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even
+  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+  PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#include "mvdSystemError.h"
+
+
+/*****************************************************************************/
+/* INCLUDE SECTION                                                           */
+
+//
+// Qt includes (sorted by alphabetic order)
+//// Must be included before system/custom includes.
+#include <QDebug>
+
+//
+// System includes (sorted by alphabetic order)
+#include <cerrno>
+#include <cstring>
+#include <sstream>
+
+//
+// ITK includes (sorted by alphabetic order)
+
+//
+// OTB includes (sorted by alphabetic order)
+
+//
+// Monteverdi includes (sorted by alphabetic order)
+
+
+namespace mvd
+{
+/*
+  TRANSLATOR mvd::SystemError
+
+  Necessary for lupdate to be aware of C++ namespaces.
+
+  Context comment for translator.
+*/
+
+/*****************************************************************************/
+/* CLASS IMPLEMENTATION SECTION                                              */
+
+/*****************************************************************************/
+std::string
+SystemError::whatString( int err, const std::string& msg )
+{
+#if 0
+  // Use Qt's tr() in order for the text string to be translated.
+  // N.B.: strerror() string may use system locales.
+  return
+    ( msg.empty()
+      ? tr( "System error %1: '%2'." )
+      .arg( err )
+      .arg( strerror( err ) )
+
+      : tr( "System error %1: '%2' %3." )
+      .arg( err )
+      .arg( strerror( err ) )
+      .arg( msg )
+
+    ).toAscii().constData();
+
+#else
+  std::stringstream sstream( std::ios_base::out );
+
+  sstream
+    << "System error "
+    << err
+    << ": "
+    << strerror( err )
+    << ( msg.empty()
+	 ? "."
+	 : " " + msg + "." );
+
+  qDebug() << sstream.str().c_str();
+
+  return sstream.str();
+
+#endif
+}
+
+/*******************************************************************************/
+SystemError
+::SystemError( const std::string& message ) :
+  std::runtime_error( SystemError::whatString( errno, message ) ),
+  m_Message(),
+  m_ErrorCode( errno )
+{
+  qDebug() << what();
+}
+
+/*******************************************************************************/
+SystemError
+::SystemError( int errorCode, const std::string& message ) :
+  std::runtime_error( SystemError::whatString( errorCode, message ) ),
+  m_Message( message ),
+  m_ErrorCode( errorCode )
+{
+  qDebug() << what();
+}
+
+/*******************************************************************************/
+SystemError
+::~SystemError()
+  throw()
+{
+}
+
+} // end namespace 'mvd'

Code/Common/mvdSystemError.h

+/*=========================================================================
+
+  Program:   Monteverdi2
+  Language:  C++
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See Copyright.txt for details.
+
+  Monteverdi2 is distributed under the CeCILL licence version 2. See
+  Licence_CeCILL_V2-en.txt or
+  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt for more details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even
+  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+  PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __mvdSystemError_h
+#define __mvdSystemError_h
+
+//
+// Configuration include.
+//// Included at first position before any other ones.
+#include "ConfigureMonteverdi2.h"
+
+
+/*****************************************************************************/
+/* INCLUDE SECTION                                                           */
+
+//
+// Qt includes (sorted by alphabetic order)
+//// Must be included before system/custom includes.
+
+//
+// System includes (sorted by alphabetic order)
+#include <stdexcept>
+
+//
+// ITK includes (sorted by alphabetic order)
+
+//
+// OTB includes (sorted by alphabetic order)
+
+//
+// Monteverdi includes (sorted by alphabetic order)
+
+/*****************************************************************************/
+/* PRE-DECLARATION SECTION                                                   */
+
+//
+// External classes pre-declaration.
+namespace
+{
+}
+
+namespace mvd
+{
+//
+// Internal classes pre-declaration.
+
+
+/*****************************************************************************/
+/* CLASS DEFINITION SECTION                                                  */
+
+/**
+ * \class SystemError
+ *
+ * \brief WIP.
+ */
+class Monteverdi2_EXPORT SystemError :
+    public std::runtime_error
+{
+
+  /*-[ PUBLIC SECTION ]------------------------------------------------------*/
+
+//
+// Public methods.
+public:
+
+  /** \brief Constructor. */
+  SystemError( const std::string& message =std::string() );
+
+  /**
+   */
+  SystemError( int errorCode, const std::string& message =std::string() );
+
+  /** \brief Destructor. */
+  virtual ~SystemError() throw();
+
+  /*-[ PROTECTED SECTION ]---------------------------------------------------*/
+
+//
+// Protected methods.
+protected:
+
+//
+// Protected attributes.
+protected:
+
+  /*-[ PRIVATE SECTION ]-----------------------------------------------------*/
+
+//
+// Private methods.
+private:
+  /**
+   */
+  static std::string whatString( int errorCode, const std::string& message );
+
+//
+// Private attributes.
+private:
+  std::string m_Message;
+  int m_ErrorCode;
+
+};
+
+} // end namespace 'mvd'.
+
+/*****************************************************************************/
+/* INLINE SECTION                                                            */
+
+namespace mvd
+{
+} // end namespace 'mvd'
+
+#endif // __mvdSystemError_h