protected void writeCache() throws IOException {
        if (this.cache != null) {
            byte[] data = this.data == null ? null : this.data.get();
            if (data == null) {
                return;
            }
            this.cache.write(resourceId, data);
        }
    }
protected void writeCache ( ) throws IOException { if ( this . cache != null ) { byte [ ] data = this . data == null ? null : this . data . get ( ) ; if ( data == null ) { return ; } this . cache . write ( resourceId , data ) ; } }
This method is called after data could be successfully loaded from a non fallback resource. This method by
default writes an file containing the data into the user's local home directory, so subsequent or later calls,
even after a VM restart, should be able to recover this information.