public String getString() throws IOException {
        InputStream in = getInputStream();
        return in != null ? inputStreamToString(in) : null;
    }
public String getString() throws IOException {
        InputStream in = getInputStream();
        return in != null ? inputStreamToString(in) : null;
    }
public String getString ( ) throws IOException { InputStream in = getInputStream ( ) ; return in != null ? inputStreamToString ( in ) : null ; }
Returns the last committed value as a string, or null if no value
has been committed.
Returns the last committed value as a string or null if no value has been committed .