public static ArrayList < String > findStages ( final ArrayList < String > lines , final String [ ] stageIndicators ) { final ArrayList < String > stages = new ArrayList <> ( ) ; int i = 0 ; for ( final String line : lines ) { if ( line . contains ( stageIndicators [ i ] ) ) { stages . add ( stageIndicators [ i ] ) ; if ( i < stageIndicators . length - 1 ) { i ++ ; } } } return stages ; }
find lines that contain stage indicators . The stageIndicators must be in sequence which appear in the lines .