question: private boolean tagMatches ( String propertyTags ) { if ( filterTags == null || filterTags . length == 0 || propertyTags == null || propertyTags . length ( ) == 0 ) { return false ; } for ( String searchTag : filterTags ) { if ( propertyTags . indexOf ( searchTag ) > - 1 ) { return true ; } } return false ; }
target:  Find out if one of the wanted tags matches the property.