bundles/org.eclipse.packagedrone.repo.adapter.deb/src/org/eclipse/packagedrone/repo/adapter/deb/aspect/internal/RepoBuilder.java
protected static void writeOptional ( final StringWriter writer, final String fieldName, final String value )
    {
        if ( value != null )
        {
            write ( writer, fieldName, value );
        }
    }
protected static void writeOptional ( final StringWriter writer, final String fieldName, final String value )
    {
        if ( value != null )
        {
            write ( writer, fieldName, value );
        }
    }
Write field only when the value is set

@param writer
the writer to use
@param fieldName
the name of field
@param value
the value