org.eclipse.smila.processing.pipelets.mimetype
Class SimpleMimeTypeIdentifier

java.lang.Object
  org.eclipse.smila.processing.pipelets.mimetype.SimpleMimeTypeIdentifier

All Implemented Interfaces:

MimeTypeIdentifier, ProcessingService

public class SimpleMimeTypeIdentifier
extends java.lang.Object
implements ProcessingService, MimeTypeIdentifier

The simple MIME type identifier is able to detect MIME types based on a static extension mapping.

Author:

August Georg Schmidt (BROX)

Field Summary

static java.lang.String	BUNDLE_NAME name of bundle.
static java.lang.String	CONFIG_FILE name of configuration file.
static java.lang.String	FILE_EXTENSION_ATTRIBUTE Constant for the configuration property FileExtensionAttribute.
static java.lang.String	META_DATA_ATTRIBUTE Constant for the configuration property MimeTypeAttribute.
static java.lang.String	MIME_TYPE_ATTRIBUTE Constant for the configuration property MimeTypeAttribute.

Fields inherited from interface org.eclipse.smila.processing.ProcessingService

PROPERTY_NAME

Constructor Summary

SimpleMimeTypeIdentifier()

Method Summary

java.lang.String	identify(Id id, byte[] data) Identifies a MimeType based an the given data.
java.lang.String	identify(Id id, byte[] data, java.lang.String extension) Identifies a MimeType based an the given data and file extension.
java.lang.String	identify(Id id, java.lang.String extension) Identifies a MimeType based an the file extension.
Id[]	process(Blackboard blackboard, Id[] recordIds) process records on Blackboard service.

Methods inherited from class java.lang.Object

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

Field Detail

BUNDLE_NAME

public static final java.lang.String BUNDLE_NAME

name of bundle. Used in configuration reading.

See Also:

Constant Field Values

CONFIG_FILE

public static final java.lang.String CONFIG_FILE

name of configuration file. Hardcoded for now (or fallback), configuration properties should be received from configuration service later.

See Also:

Constant Field Values

FILE_EXTENSION_ATTRIBUTE

public static final java.lang.String FILE_EXTENSION_ATTRIBUTE

Constant for the configuration property FileExtensionAttribute.

See Also:

Constant Field Values

META_DATA_ATTRIBUTE

public static final java.lang.String META_DATA_ATTRIBUTE

Constant for the configuration property MimeTypeAttribute.

See Also:

Constant Field Values

MIME_TYPE_ATTRIBUTE

public static final java.lang.String MIME_TYPE_ATTRIBUTE

Constant for the configuration property MimeTypeAttribute.

See Also:

Constant Field Values

Constructor Detail

SimpleMimeTypeIdentifier

public SimpleMimeTypeIdentifier()

Method Detail

process

public Id[] process(Blackboard blackboard,
                    Id[] recordIds)
             throws ProcessingException

process records on Blackboard service.

Specified by:

process in interface ProcessingService

Parameters:

blackboard - Blackboard service managing the records.

recordIds - Ids of records to process.

Returns:

Ids of result records.

Throws:

ProcessingException - error during processing.

See Also:

ProcessingService.process(Blackboard, Id[])

identify

public java.lang.String identify(Id id,
                                 byte[] data)
                          throws MimeTypeParseException

Identifies a MimeType based an the given data.

Specified by:

identify in interface MimeTypeIdentifier

Parameters:

id - the record Id

data - a byte[] containing the data

Returns:

the detected MimeType

Throws:

MimeTypeParseException - if any error occurs

See Also:

MimeTypeIdentifier.identify(org.eclipse.smila.datamodel.id.Id, byte[])

identify

public java.lang.String identify(Id id,
                                 java.lang.String extension)
                          throws MimeTypeParseException

Identifies a MimeType based an the file extension.

Specified by:

identify in interface MimeTypeIdentifier

Parameters:

id - the record Id

extension - the extension of the filename

Returns:

the detected MimeType

Throws:

MimeTypeParseException - if any error occurs

See Also:

MimeTypeIdentifier.identify(org.eclipse.smila.datamodel.id.Id, java.lang.String)

identify

public java.lang.String identify(Id id,
                                 byte[] data,
                                 java.lang.String extension)
                          throws MimeTypeParseException

Identifies a MimeType based an the given data and file extension.

Specified by:

identify in interface MimeTypeIdentifier

Parameters:

id - the record Id

data - a byte[] containing the data

extension - the extension of the filename

Returns:

the detected MimeType

Throws:

MimeTypeParseException - if any error occurs

See Also:

MimeTypeIdentifier.identify(org.eclipse.smila.datamodel.id.Id, byte[], java.lang.String)