net/src/main/java/com/stanfy/enroscar/net/cache/CacheEntry.java
protected final void writeString(final Writer writer, final String line) throws IOException {
    if (line != null) {
      writer.write(line + '\n');
    } else {
      writer.write('\n');
    }
  }
protected final void writeString(final Writer writer, final String line) throws IOException {
    if (line != null) {
      writer.write(line + '\n');
    } else {
      writer.write('\n');
    }
  }
protected final void writeString ( final Writer writer , final String line ) throws IOException { if ( line != null ) { writer . write ( line + ' ' ) ; } else { writer . write ( ' ' ) ; } }
Write next line to the output.
@param writer output writer
@param line line to write (if null just a new empty line is inserted)
@throws IOException if error happens
Write next line to the output .