public final void addBodyLine(final String line) {
        if (line == null) {
            throw new IllegalArgumentException("The argument 'line' cannot be NULL!");
        }
        body.add(line.trim());
    }
public final void addBodyLine ( final String line ) { if ( line == null ) { throw new IllegalArgumentException ( "The argument 'line' cannot be NULL!" ) ; } body . add ( line . trim ( ) ) ; }
Add a new line to the body.

@param line
Line to add - Cannot be null (but empty).