com.pixelmed.dicom

Class OtherFloatAttributeMultipleFilesOnDisk

java.lang.Object

com.pixelmed.dicom.Attribute

com.pixelmed.dicom.OtherFloatAttributeMultipleFilesOnDisk

public class OtherFloatAttributeMultipleFilesOnDisk
extends Attribute

A concrete class specializing Attribute for Other Float (OF) attributes whose values are not memory resident but rather are stored in multiple files on disk.

See Also:

Attribute, AttributeFactory, AttributeList

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	bigEndian
protected long[]	byteOffsets
protected boolean	deleteFilesWhenNoLongerNeeded
protected File[]	files
protected long[]	lengths

Fields inherited from class com.pixelmed.dicom.Attribute

valueLength, valueMultiplicity

Constructor Summary

Constructors

Constructor and Description
OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t, boolean bigEndian) Construct an (empty) attribute.
OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t, File[] files, boolean bigEndian) Read an attribute from a set of files.
OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t, File[] files, long[] byteOffsets, long[] lengths, boolean bigEndian) Read an attribute from a set of files.
OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t, String[] fileNames, boolean bigEndian) Read an attribute from a set of files.
OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t, String[] fileNames, long[] byteOffsets, long[] lengths, boolean bigEndian) Read an attribute from a set of files.

Method Summary

Modifier and Type	Method and Description
void	deleteFilesWhenNoLongerNeeded()
protected void	finalize()
long[]	getByteOffsets()
File[]	getFiles()
long[]	getLengths()
long	getPaddedVL() Get the value length of this attribute, accounting for the need for even-length padding.
byte[]	getVR() Get the value representation of this attribute (OF).
void	removeValues() Remove any existing values, making the attribute empty (zero length).
void	setFiles(File[] files, long[] byteOffsets, long[] lengths)
String	toString(DicomDictionary dictionary) Dump the contents of the attribute as a human-readable string.
void	write(DicomOutputStream o) Write the entire attribute (including values) to the output stream.

Methods inherited from class com.pixelmed.dicom.Attribute

addValue, addValue, addValue, addValue, addValue, addValue, addValue, getByteValues, getByteValues, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDoubleValues, getDoubleValues, getDoubleValues, getElement, getFloatValues, getFloatValues, getFloatValues, getGroup, getIntegerValues, getIntegerValues, getIntegerValues, getLengthOfEncodedValue, getLongValues, getLongValues, getLongValues, getOriginalStringValues, getShortValues, getSingleDoubleValueOrDefault, getSingleDoubleValueOrDefault, getSingleDoubleValueOrDefault, getSingleFloatValueOrDefault, getSingleFloatValueOrDefault, getSingleFloatValueOrDefault, getSingleIntegerValueOrDefault, getSingleIntegerValueOrDefault, getSingleIntegerValueOrDefault, getSingleLongValueOrDefault, getSingleLongValueOrDefault, getSingleLongValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getStringValues, getStringValues, getStringValues, getStringValues, getStringValues, getStringValues, getTag, getVL, getVM, getVRAsString, isValid, repairValues, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValues, setValues, setValues, setValues, setValues, setValues, setValues, toString, writeBase

Methods inherited from class java.lang.Object

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

Field Detail

bigEndian

protected boolean bigEndian

byteOffsets

protected long[] byteOffsets

deleteFilesWhenNoLongerNeeded

protected boolean deleteFilesWhenNoLongerNeeded

files

protected File[] files

lengths

protected long[] lengths

Constructor Detail

OtherFloatAttributeMultipleFilesOnDisk

public OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t,
                                              boolean bigEndian)

Construct an (empty) attribute.

Any file set later will be expected to be little endian.

Parameters:

t - the tag of the attribute

bigEndian - big endian, false if little endian

OtherFloatAttributeMultipleFilesOnDisk

public OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t,
                                              File[] files,
                                              boolean bigEndian)
                                       throws IOException,
                                              DicomException

Read an attribute from a set of files.

Parameters:

t - the tag of the attribute

files - the input files

Throws:

IOException

DicomException

OtherFloatAttributeMultipleFilesOnDisk

public OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t,
                                              File[] files,
                                              long[] byteOffsets,
                                              long[] lengths,
                                              boolean bigEndian)
                                       throws IOException,
                                              DicomException

Read an attribute from a set of files.

Parameters:

t - the tag of the attribute

files - the input files

byteOffsets - the byte offsets in the files of the start of the data, one entry for each file, or null if 0 for all files

lengths - the lengths in the files from the the start of the data, one entry for each file, or null if the remaining file length after the byteOffset, if any

Throws:

IOException

DicomException

OtherFloatAttributeMultipleFilesOnDisk

public OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t,
                                              String[] fileNames,
                                              boolean bigEndian)
                                       throws IOException,
                                              DicomException

Read an attribute from a set of files.

Parameters:

t - the tag of the attribute

fileNames - the input files

Throws:

IOException

DicomException

OtherFloatAttributeMultipleFilesOnDisk

public OtherFloatAttributeMultipleFilesOnDisk(AttributeTag t,
                                              String[] fileNames,
                                              long[] byteOffsets,
                                              long[] lengths,
                                              boolean bigEndian)
                                       throws IOException,
                                              DicomException

Read an attribute from a set of files.

Parameters:

t - the tag of the attribute

fileNames - the input files

byteOffsets - the byte offsets in the files of the start of the data, one entry for each file, or null if 0 for all files

lengths - the lengths in the files from the the start of the data, one entry for each file, or null if the remaining file length after the byteOffset, if any

Throws:

IOException

DicomException

Method Detail

deleteFilesWhenNoLongerNeeded

public void deleteFilesWhenNoLongerNeeded()

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

getByteOffsets

public long[] getByteOffsets()

Returns:

the per-file byte offsets to the frame data

getFiles

public File[] getFiles()

Returns:

the files containing the data

getLengths

public long[] getLengths()

Returns:

the per-file lengths of the data for each frame (after the byte offset) in bytes

getPaddedVL

public long getPaddedVL()

Description copied from class: Attribute

Get the value length of this attribute, accounting for the need for even-length padding.

Overrides:

getPaddedVL in class Attribute

Returns:

the value length (padded to an even length)

getVR

public byte[] getVR()

Get the value representation of this attribute (OF).

Overrides:

getVR in class Attribute

Returns:

'O','F' in ASCII as a two byte array; see ValueRepresentation

removeValues

public void removeValues()

Description copied from class: Attribute

Remove any existing values, making the attribute empty (zero length).

Specified by:

removeValues in class Attribute

setFiles

public void setFiles(File[] files,
                     long[] byteOffsets,
                     long[] lengths)
              throws IOException

Parameters:

files - the input files

byteOffsets - the byte offsets in the files of the start of the data, one entry for each file, or null if 0 for all files

lengths - the lengths in the files from the the start of the data, one entry for each file, or null if the remaining file length after the byteOffset, if any

Throws:

IOException

toString

public String toString(DicomDictionary dictionary)

Description copied from class: Attribute

Dump the contents of the attribute as a human-readable string.

No new line is appended.

The result is of the form:

 (0xgggg,0xeeee) Name VR=<XX> VL=<0xnnnn> <...>
 

For example:

 (0x0018,0x0020) ScanningSequence VR=<CS> VL=<0x2> <GR>
 

Overrides:

toString in class Attribute

Parameters:

dictionary - the dictionary to use to look up the name

Returns:

a single String value

write

public void write(DicomOutputStream o)
           throws DicomException,
                  IOException

Description copied from class: Attribute

Write the entire attribute (including values) to the output stream.

Specified by:

write in class Attribute

Parameters:

o -

Throws:

IOException

DicomException