@Override
    public FatLfnDirectoryEntry addFile(String name) throws IOException {
        checkWritable();
        checkUniqueName(name);
        
        name = name.trim();
        final ShortName sn = makeShortName(name);
        
        final FatLfnDirectoryEntry entry =
                new FatLfnDirectoryEntry(name, sn, this, false);

        dir.addEntries(entry.compactForm());
        
        shortNameIndex.put(sn, entry);
        longNameIndex.put(name.toLowerCase(Locale.ROOT), entry);

        getFile(entry.realEntry);
        
        dir.setDirty();
        return entry;
    }
@ Override public FatLfnDirectoryEntry addFile ( String name ) throws IOException { checkWritable ( ) ; checkUniqueName ( name ) ; name = name . trim ( ) ; final ShortName sn = makeShortName ( name ) ; final FatLfnDirectoryEntry entry = new FatLfnDirectoryEntry ( name , sn , this , false ) ; dir . addEntries ( entry . compactForm ( ) ) ; shortNameIndex . put ( sn , entry ) ; longNameIndex . put ( name . toLowerCase ( Locale . ROOT ) , entry ) ; getFile ( entry . realEntry ) ; dir . setDirty ( ) ; return entry ; }
<p>
{@inheritDoc}
</p><p>
According to the FAT file system specification, leading and trailing
spaces in the {@code name} are ignored by this method.
</p>

@param name {@inheritDoc}
@return {@inheritDoc}
@throws IOException {@inheritDoc}