Mega Code Archive

 

Categories / Java Tutorial / 2D Graphics

 

Detect image type

import java.io.IOException; import java.net.URL; import java.util.Iterator; import javax.imageio.ImageIO; import javax.imageio.ImageReader; import javax.imageio.stream.ImageInputStream; public class Main {   public static void main(String[] args) throws IOException {     URL[] urls = { new URL("http://yourserver/small.png") };     for (URL url : urls) {       ImageInputStream iis = ImageIO.createImageInputStream(url.openStream());       Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);       System.out.println("url= " + url.getPath());       while (readers.hasNext()) {         ImageReader read = readers.next();         System.out.println("format name = " + read.getFormatName());       }       System.out.println();     }   } }