public LogRef(BundleContext bc) { boolean b = false;  try { b = "true".equals(System.getProperty("org.knopflerfish.log.out")); } catch (Throwable t) { System.err.println("get system property failed: " + t); t.printStackTrace(); }  init(bc, b);
public LogRef(BundleContext bc, boolean out) { init(bc, out);
  public LogRef(BundleContext bc) {    boolean b = false;    try {      b = "true".equals(System.getProperty("org.knopflerfish.log.out"));    } catch (Throwable t) {      System.err.println("get system property failed: " + t);      t.printStackTrace();    }    init(bc, b);  }