question: private synchronized void initMedia ( ) { if ( initialized ) { return ; } else { initialized = true ; } if ( pageSizes == null ) { return ; } cupsMediaPrintables = new MediaPrintableArea [ nPageSizes ] ; cupsMediaSNames = new MediaSizeName [ nPageSizes ] ; cupsCustomMediaSNames = new CustomMediaSizeName [ nPageSizes ] ; CustomMediaSizeName msn ; MediaPrintableArea mpa ; float length , width , x , y , w , h ; for ( int i = 0 ; i < nPageSizes ; i ++ ) { width = ( float ) ( pageSizes [ i * 6 ] / PRINTER_DPI ) ; length = ( float ) ( pageSizes [ i * 6 + 1 ] / PRINTER_DPI ) ; x = ( float ) ( pageSizes [ i * 6 + 2 ] / PRINTER_DPI ) ; h = ( float ) ( pageSizes [ i * 6 + 3 ] / PRINTER_DPI ) ; w = ( float ) ( pageSizes [ i * 6 + 4 ] / PRINTER_DPI ) ; y = ( float ) ( pageSizes [ i * 6 + 5 ] / PRINTER_DPI ) ; msn = new CustomMediaSizeName ( media [ i * 2 ] , media [ i * 2 + 1 ] , width , length ) ; if ( ( cupsMediaSNames [ i ] = msn . getStandardMedia ( ) ) == null ) { cupsMediaSNames [ i ] = msn ; if ( ( width > 0.0 ) && ( length > 0.0 ) ) { try { new MediaSize ( width , length , Size2DSyntax . INCH , msn ) ; } catch ( IllegalArgumentException e ) { new MediaSize ( length , width , Size2DSyntax . INCH , msn ) ; } } } cupsCustomMediaSNames [ i ] = msn ; mpa = null ; try { mpa = new MediaPrintableArea ( x , y , w , h , MediaPrintableArea . INCH ) ; } catch ( IllegalArgumentException e ) { if ( width > 0 && length > 0 ) { mpa = new MediaPrintableArea ( 0 , 0 , width , length , MediaPrintableArea . INCH ) ; } } cupsMediaPrintables [ i ] = mpa ; } cupsMediaTrays = new MediaTray [ nTrays ] ; MediaTray mt ; for ( int i = 0 ; i < nTrays ; i ++ ) { mt = new CustomMediaTray ( media [ ( nPageSizes + i ) * 2 ] , media [ ( nPageSizes + i ) * 2 + 1 ] ) ; cupsMediaTrays [ i ] = mt ; } }
target:  Initialize media by translating PPD info to PrintService attributes.