de.ipk_gatersleben.bit.bi.edal.primary_data.metadata

Class DataFormat

java.lang.Object

de.ipk_gatersleben.bit.bi.edal.primary_data.metadata.UntypedData

de.ipk_gatersleben.bit.bi.edal.primary_data.metadata.DataFormat

All Implemented Interfaces:

Serializable, Comparable<UntypedData>

public class DataFormat
extends UntypedData

Data type to manage MIME types.

For MIME type definition, we make use of the Tika library package.

Author:

lange, arendd

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static DataFormat	UNKNOWN_FORMAT The unknown format

Fields inherited from class de.ipk_gatersleben.bit.bi.edal.primary_data.metadata.UntypedData

EMPTY, string

Constructor Summary

Constructors

Constructor and Description
DataFormat() construct a DataFormat object with unknown type
DataFormat(String mimeType) Constructor for DataFormat.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(UntypedData datatype)
String	getMimeType() Getter for the field mimeType.
static DataFormat	guessDataFormat(InputStream input) Guess the DataFormat for a given file
void	setMimeType(String mimeType) Setter for the field mimeType.
String	toString()

Methods inherited from class de.ipk_gatersleben.bit.bi.edal.primary_data.metadata.UntypedData

equals, getString, hashCode, setString, toHTML

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

UNKNOWN_FORMAT

public static final DataFormat UNKNOWN_FORMAT

The unknown format

Constructor Detail

DataFormat

public DataFormat()

construct a DataFormat object with unknown type

DataFormat

public DataFormat(String mimeType)
           throws DataFormatException

Constructor for DataFormat.

Parameters:

mimeType - the data format as MIME type in the format

 major / minor
 

E.g. unknown is:

 application / octet - stream
 

Throws:

DataFormatException - if using a non valid MIME type.

Method Detail

compareTo

public int compareTo(UntypedData datatype)

Specified by:

compareTo in interface Comparable<UntypedData>

Overrides:

compareTo in class UntypedData

guessDataFormat

public static DataFormat guessDataFormat(InputStream input)

Guess the DataFormat for a given file

Parameters:

input - a InputStream object.

Returns:

the guessed DataFormat object; if format is not recognized then the return UNKNOWN_FORMAT

getMimeType

public String getMimeType()

Getter for the field mimeType.

Returns:

the mimeType

setMimeType

public void setMimeType(String mimeType)

Setter for the field mimeType.

Parameters:

mimeType - the mimeType to set

toString

public String toString()

Overrides:

toString in class UntypedData