private boolean makeFtpDirectoryRecursive()

in wagon-providers/wagon-ftp/src/main/java/org/apache/maven/wagon/providers/ftp/FtpWagon.java [751:824]
55 lines of code
12 McCabe index (conditional complexity)

    private boolean makeFtpDirectoryRecursive( String fileName, RepositoryPermissions permissions )
        throws IOException
    {
        if ( fileName == null || fileName.length() == 0
            || fileName.replace( '/', '_' ).trim().length() == 0 ) // if a string is '/', '//' or similar
        {
            return false;
        }

        int slashPos = fileName.indexOf( "/" );
        String oldPwd = null;
        boolean ok = true;

        if ( slashPos == 0 )
        {
            // this is an absolute directory
            oldPwd = ftp.printWorkingDirectory();

            // start with the root
            ftp.changeWorkingDirectory( "/" );
            fileName = fileName.substring( 1 );

            // look up the next path separator
            slashPos = fileName.indexOf( "/" );
        }

        if ( slashPos >= 0 && slashPos < ( fileName.length() - 1 ) ) // not only a slash at the end, like in 'newDir/'
        {
            if ( oldPwd == null )
            {
                oldPwd = ftp.printWorkingDirectory();
            }

            String nextDir = fileName.substring( 0, slashPos );

            boolean changedDir = false;
            // we only create the nextDir if it doesn't yet exist
            if ( !ftp.changeWorkingDirectory( nextDir ) )
            {
                ok &= ftp.makeDirectory( nextDir );
            }
            else
            {
                changedDir = true;
            }

            if ( ok )
            {
                // set the permissions for the freshly created directory
                setPermissions( permissions );

                if ( !changedDir )
                {
                    ftp.changeWorkingDirectory( nextDir );
                }

                // now create the deeper directories
                final String remainingDirs = fileName.substring( slashPos + 1 );
                ok &= makeFtpDirectoryRecursive( remainingDirs, permissions );
            }
        }
        else
        {
            ok = ftp.makeDirectory( fileName );
        }

        if ( oldPwd != null )
        {
            // change back to the old working directory
            ftp.changeWorkingDirectory( oldPwd );
        }

        return ok;
    }