Returns true if the specified format name can be written

     


import java.io.File;
import java.util.Iterator;

import javax.imageio.ImageIO;

public class Main {
  public static void main(String[] argv) throws Exception {
    boolean b;

    b = canWriteFormat("yourExtensionName"); 
    b = canWriteFormat("gif"); 
    b = canWriteFormat("giF"); 
  }
 
  public static boolean canWriteFormat(String formatName) {
    Iterator iter = ImageIO.getImageWritersByFormatName(formatName);
    return iter.hasNext();
  }

}

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Returns true if the specified format name can be written : Image IO « 2D Graphics GUI « Java

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