public override void Execute(IOutputter outputter)
{
bool retVal = false;
// cd without parameters
if (newDirectoryName == null)
{
outputter.PrintLine(Drive.CurrentDirectory.Path);
return;
}
// cd with parameters: Check if passed directory is valid before change to this directory
FileSystemItem newDir = Drive.GetItemFromPath(newDirectoryName);
if (newDir == null)
{
outputter.PrintLine(SYSTEM_CANNOT_FIND_THE_PATH_SPECIFIED);
return;
}
if (newDir.IsDirectory() == false)
{
outputter.PrintLine(SYSTEM_CANNOT_FIND_THE_PATH_SPECIFIED);
return;
}
if (Drive.GetItemFromPath(newDir.Path) != newDir)
{
outputter.PrintLine("Path not in drive " + Drive.DriveName);
return;
}
if (newDir.IsDirectory())
{
retVal = Drive.ChangeCurrentDirectory((Directory)newDir);
}
if (retVal == false)
{
outputter.PrintLine(SYSTEM_CANNOT_FIND_THE_PATH_SPECIFIED);
}
}