io.cdap.wrangler.service

Class FileTypeDetector

java.lang.Object

io.cdap.wrangler.service.FileTypeDetector

public class FileTypeDetector
extends Object

This class FileTypeDetector is used for detecting file types.

Field Summary

Fields

Modifier and Type	Field and Description
static String	UNKNOWN

Constructor Summary

Constructors

Constructor and Description
FileTypeDetector()

Method Summary

Modifier and Type	Method and Description
String	detectFileType(org.apache.twill.filesystem.Location location) Attempts to detect the type of the file through extensions and by reading the content of the file.
String	detectFileType(String location) Attempts to detect the type of the file through extensions and by reading the content of the file.
boolean	isWrangleable(String type) This function checks if the type is wrangle-able of not.

Methods inherited from class java.lang.Object

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

Field Detail

UNKNOWN

public static final String UNKNOWN

See Also:

Constant Field Values

Constructor Detail

FileTypeDetector

public FileTypeDetector()

Method Detail

isWrangleable

public boolean isWrangleable(String type)

This function checks if the type is wrangle-able of not.

It detects it based on the type, currently we only support types that are of MIME type 'text'

Parameters:

type - Specifies the MIME type.

Returns:

true if it's wrangle-able, false otherwise.

detectFileType

public String detectFileType(org.apache.twill.filesystem.Location location)

Attempts to detect the type of the file through extensions and by reading the content of the file.

Parameters:

location - of the file who's content type need to be detected.

Returns:

type of the file.

detectFileType

public String detectFileType(String location)

Attempts to detect the type of the file through extensions and by reading the content of the file.

Parameters:

location - of the file who's content type need to be detected.

Returns:

type of the file.