Package com.drew.imaging

Class FileTypeDetector

java.lang.Object

com.drew.imaging.FileTypeDetector

public class FileTypeDetector
extends Object

Examines the a file's first bytes and estimates the file's type.

Method Summary

Modifier and Type	Method	Description
static FileType	detectFileType(BufferedInputStream inputStream)	Examines the file's bytes and estimates the file's type.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

detectFileType

public static FileType detectFileType(BufferedInputStream inputStream)
                               throws IOException

Examines the file's bytes and estimates the file's type.

Requires a BufferedInputStream in order to mark and reset the stream to the position at which it was provided to this method once completed.

Requires the stream to contain at least eight bytes.

Throws:

IOException - if an IO error occurred or the input stream ended unexpectedly.