public Properties extractProperties(Iterable<Map.Entry<String,String>> propSrc){
  Properties result=new Properties();
  for (  Map.Entry<String,String> entry : propSrc) {
    String name=entry.getKey();
    if (isNamespacedProperty(name)) {
      String val=entry.getValue();
      result.setProperty(name,val);
    }
  }
  return result;
}

public Properties extractProperties ( Iterable < Map . Entry < String , String > > propSrc ) { Properties result = new Properties ( ) ; for ( Map . Entry < String , String > entry : propSrc ) { String name = entry . getKey ( ) ; if ( isNamespacedProperty ( name ) ) { String val = entry . getValue ( ) ; result . setProperty ( name , val ) ; } } return result ; }
extract all properties in this namespace that can be found in the provided property source
