ddf.mime.tika

Class TikaMimeTypeResolver

java.lang.Object

ddf.mime.tika.TikaMimeTypeResolver

All Implemented Interfaces:

MimeTypeResolver

public class TikaMimeTypeResolver
extends Object
implements MimeTypeResolver

Apache Tika mime type resolution packaged as a MimeTypeResolver OSGi service that can map a list of file extensions to their corresponding mime types, and vice versa.

Since:

2.1.0

Author:

Hugh Rodgers, Lockheed Martin, ddf.isgs@lmco.com

Constructor Summary

Constructors

Constructor and Description
TikaMimeTypeResolver() Constructs the Tika instance that will be used for mime type resolution.

Method Summary

Modifier and Type	Method and Description
void	destroy()
String	getFileExtensionForMimeType(String contentType) Gets the file extension for the specific mime type.
String	getMimeTypeForFileExtension(String fileExtension) Gets the mime type for the specified file extension.
String	getName() Gets the name of the MimeTypeResolver.
int	getPriority() Gets the priority of the MimeTypeResolver.
String	getSchema() Gets the schema (if one exists) of the MimeTypeResolver.
boolean	hasSchema() Returns true if the MimeTypeResolver has a schema, meaning it is for text/xml mime types and has a namespace to match on.
void	init()
void	setPriority(int priority) Sets the priority of thie MimeTypeResolver.

Methods inherited from class java.lang.Object

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

Constructor Detail

TikaMimeTypeResolver

public TikaMimeTypeResolver()

Constructs the Tika instance that will be used for mime type resolution.

Method Detail

init

public void init()

destroy

public void destroy()

getName

public String getName()

Description copied from interface: MimeTypeResolver

Gets the name of the MimeTypeResolver.

Specified by:

getName in interface MimeTypeResolver

Returns:

the name of the MimeTypeResolver

getPriority

public int getPriority()

Description copied from interface: MimeTypeResolver

Gets the priority of the MimeTypeResolver. The higher the number the higher the priority, meaning the MimeTypeResolver is invoked earlier.

Specified by:

getPriority in interface MimeTypeResolver

Returns:

the priority of the MimeTypeResolver

setPriority

public void setPriority(int priority)

Sets the priority of thie MimeTypeResolver. For the TikaMimeTypeResolver this priority should usually be set (via blueprint) to a negative value to insure that this MimeTypeResolver is invoked last amongst all registered MimeTypeResolvers. This is desired so that any custom MimeTypeResolvers that may override Tika's handling of a mime type will be processed first.

Parameters:

priority - the priority

hasSchema

public boolean hasSchema()

Description copied from interface: MimeTypeResolver

Returns true if the MimeTypeResolver has a schema, meaning it is for text/xml mime types and has a namespace to match on.

Specified by:

hasSchema in interface MimeTypeResolver

Returns:

true if the MimeTypeResolver has a schema

getSchema

public String getSchema()

Description copied from interface: MimeTypeResolver

Gets the schema (if one exists) of the MimeTypeResolver. The schema is set only for xml mime types, e.g., text/xml, and reflects the namespace of the root element.

Specified by:

getSchema in interface MimeTypeResolver

Returns:

the name of the MimeTypeResolver

getFileExtensionForMimeType

public String getFileExtensionForMimeType(String contentType)

Description copied from interface: MimeTypeResolver

Gets the file extension for the specific mime type. For example, if the mime type is image/nitf a file extension of .nitf would be returned. The mapping of file extensions to mime types is part of the configuration of a MimeTypeResolver.

Specified by:

getFileExtensionForMimeType in interface MimeTypeResolver

Parameters:

contentType - the mime type

Returns:

the file extension, including the period in the extension

getMimeTypeForFileExtension

public String getMimeTypeForFileExtension(String fileExtension)

Description copied from interface: MimeTypeResolver

Gets the mime type for the specified file extension.

Specified by:

getMimeTypeForFileExtension in interface MimeTypeResolver

Parameters:

fileExtension - the file extension without the period in it

Returns:

the mime type