Class FormatDetector

java.lang.Object

is.galia.codec.FormatDetector

public final class FormatDetector
extends Object

Tries to detect a file's format by reading its signature, a.k.a. magic bytes, and consulting every available decoder to find out whether it can infer a format from those bytes.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	RECOMMENDED_READ_LENGTH	Number of bytes that are recommended to read when reading may be expensive.

Method Summary

Modifier and Type	Method	Description
static Format	detect(Path path)
static Format	detect(ImageInputStream inputStream)

Methods inherited from class java.lang.Object

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

Field Details

RECOMMENDED_READ_LENGTH

public static final int RECOMMENDED_READ_LENGTH

Number of bytes that are recommended to read when reading may be expensive.

See Also:

• Constant Field Values

Method Details

detect

public static Format detect(ImageInputStream inputStream)
                     throws IOException

Parameters:

inputStream - Stream to probe.

Returns:

Format of the given magic bytes, if the format is supported; otherwise Format.UNKNOWN.

Throws:

IOException

detect

public static Format detect(Path path)
                     throws IOException

Parameters:

path - File to probe.

Returns:

Format of the given magic bytes, if the format is supported; otherwise Format.UNKNOWN.

Throws:

IOException