Archive for August, 2009

Determining the type of a file using the extension (0)

August 6th, 2009 by Frank Niedermann, under Java.

This is how the type of a file can be determined using the extension of the file:

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public class FileType {
	public static void main(String[] args) {
		String fileName = "foo.pdf";
		String extension = fileName.substring(fileName.lastIndexOf("."));
		System.out.println("Extension: " + extension);
		if (fileName.equalsIgnoreCase(".pdf")) {
			System.out.println("It is a PDF-File.");
		}
	}
}

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