Class ContentTypeDetector

java.lang.Object

org.jacoco.core.internal.ContentTypeDetector

public class ContentTypeDetector
extends Object

Detector for content types of binary streams based on a magic headers.

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	BUFFER_SIZE
static final int	CLASSFILE	File type Java class
static final int	GZFILE	File type GZIP compressed Data
private final InputStream	in
static final int	PACK200FILE	File type Pack200 archive
private final int	type
static final int	UNKNOWN	Unknown file type
static final int	ZIPFILE	File type ZIP archive

Constructor Summary

Constructors

Constructor	Description
ContentTypeDetector(InputStream in)	Creates a new detector based on the given input.

Method Summary

Modifier and Type	Method	Description
private static int	determineType(InputStream in)
InputStream	getInputStream()	Returns an input stream instance to read the complete content (including the header) of the underlying stream.
int	getType()	Returns the detected file type.
private static int	readInt(InputStream in)

Methods inherited from class Object

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

Field Details

UNKNOWN

public static final int UNKNOWN

Unknown file type

See Also:

• Constant Field Values

CLASSFILE

public static final int CLASSFILE

File type Java class

See Also:

• Constant Field Values

ZIPFILE

public static final int ZIPFILE

File type ZIP archive

See Also:

• Constant Field Values

GZFILE

public static final int GZFILE

File type GZIP compressed Data

See Also:

• Constant Field Values

PACK200FILE

public static final int PACK200FILE

File type Pack200 archive

See Also:

• Constant Field Values

BUFFER_SIZE

private static final int BUFFER_SIZE

See Also:

• Constant Field Values

in

private final InputStream in

type

private final int type

Constructor Details

ContentTypeDetector

public ContentTypeDetector(InputStream in)
                    throws IOException

Creates a new detector based on the given input. To process the complete original input afterwards use the stream returned by getInputStream().

Parameters:

in - input to read the header from

Throws:

IOException - if the stream can't be read

Method Details

determineType

private static int determineType(InputStream in)
                          throws IOException

Throws:

IOException

readInt

private static int readInt(InputStream in)
                    throws IOException

Throws:

IOException

getInputStream

public InputStream getInputStream()

Returns an input stream instance to read the complete content (including the header) of the underlying stream.

Returns:

input stream containing the complete content

getType

public int getType()

Returns the detected file type.

Returns:

file type