de.unirostock.sems.cbext.recognizer

Class DefaultRecognizer

java.lang.Object

de.unirostock.sems.cbext.FormatRecognizer

de.unirostock.sems.cbext.recognizer.DefaultRecognizer

public class DefaultRecognizer
extends FormatRecognizer

The Class DefaultFormatRecognizer knows some common extensions to map it to formats.

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	priority priority for this format recognizer

Fields inherited from class de.unirostock.sems.cbext.FormatRecognizer

IDENTIFIERS_BASE, PURL_BASE

Constructor Summary

Constructors

Constructor and Description
DefaultRecognizer() Instantiates a new default extension mapper.

Method Summary

Modifier and Type	Method and Description
URI	getFormatByParsing(File file, String mimeType) Parses the given file and tries to determine the format, such as purl.org or identifiers.org URI.
URI	getFormatFromExtension(String extension) Tries to map the given file extension to a format.
URI	getFormatFromMime(String mime) Tries to map the given mime type to a format.
int	getPriority() Returns the priority of this format recognizer.
static void	setPriority(int newPriority) Sets the priority of this format recognizer and triggers a resort of all format recognizers.

Methods inherited from class de.unirostock.sems.cbext.FormatRecognizer

buildUri, buildUri

Methods inherited from class java.lang.Object

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

Field Detail

priority

protected static int priority

priority for this format recognizer

Constructor Detail

DefaultRecognizer

public DefaultRecognizer()

Instantiates a new default extension mapper.

Method Detail

setPriority

public static void setPriority(int newPriority)

Sets the priority of this format recognizer and triggers a resort of all format recognizers. The higher the priority, the earlier this recognizer gets called. The first recognizer, which is able to identify a file, determines it's format. Setting a negative priority will be ignored. Default recognizers have a priority of 100.

Parameters:

newPriority - the new priority of this recogniser

getPriority

public int getPriority()

Description copied from class: FormatRecognizer

Returns the priority of this format recognizer. The higher the priority, the earlier this recognizer gets called. The first recognizer, which is able to identify a file, determines it's format. Priority should not be negative. Default recognizers have a priority around 100.

Specified by:

getPriority in class FormatRecognizer

Returns:

an integer > 0

getFormatFromMime

public URI getFormatFromMime(String mime)

Description copied from class: FormatRecognizer

Tries to map the given mime type to a format. If the recognizer is not able to understand the mime type it must return null.

Specified by:

getFormatFromMime in class FormatRecognizer

Parameters:

mime - MIME type

Returns:

A format URI or null

getFormatFromExtension

public URI getFormatFromExtension(String extension)

Description copied from class: FormatRecognizer

Tries to map the given file extension to a format. If the recognizer is not able to understand the extension it must return null.

Specified by:

getFormatFromExtension in class FormatRecognizer

Parameters:

extension - file extension

Returns:

A format URI or null

getFormatByParsing

public URI getFormatByParsing(File file,
                              String mimeType)

Description copied from class: FormatRecognizer

Parses the given file and tries to determine the format, such as purl.org or identifiers.org URI. If the recognizer is not able to understand the file it must return null.

Specified by:

getFormatByParsing in class FormatRecognizer

Parameters:

file - Path to the file

mimeType - MIME type for quick evaluation.

Returns:

A format URI or null.