java image resize

public static BufferedImage resizeImage(BufferedImage image, int width, int height) {


float w = new Float(width) ;
float h = new Float(height) ;

if ( w <= 0 && h <= 0 ) {
w = image.getWidth();
h = image.getHeight();
} else if ( w <= 0 ) {
w = image.getWidth() * ( h / image.getHeight() );
} else if ( h <= 0 ) {
h = image.getHeight() * ( w / image.getWidth() );
}

int wi = (int) w;
int he = (int) h;

BufferedImage resizedImage = new BufferedImage(wi,he,BufferedImage.TYPE_INT_RGB);

resizedImage.getGraphics().drawImage(
image.getScaledInstance(wi,he,Image.SCALE_AREA_AVERAGING),
0,0,wi,he,null
);

return resizedImage;

}