org.dcm4che3.media

Class DicomDirWriter

java.lang.Object

org.dcm4che3.media.DicomDirReader

org.dcm4che3.media.DicomDirWriter

All Implemented Interfaces:

Closeable, AutoCloseable

public class DicomDirWriter
extends DicomDirReader

Author:

Gunter Zeilinger

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	dirInfoHeader
private byte[]	dirRecordHeader
private ArrayList<Attributes>	dirtyRecords
private int	firstRecordPos
private static int	IN_USE
private static int	INACTIVE
private static int	KNOWN_INCONSISTENCIES
private IdentityHashMap<Attributes,Attributes>	lastChildRecords
private static Logger	LOG
private int	nextRecordPos
private static int	NO_KNOWN_INCONSISTENCIES
private static Comparator<Attributes>	offsetComparator
private DicomOutputStream	out
private int	rollbackLen

Fields inherited from class org.dcm4che3.media.DicomDirReader

cache, file, fmi, fsInfo, in, raf

Constructor Summary

Constructors

Modifier	Constructor and Description
private	DicomDirWriter(File file)

Method Summary

Modifier and Type	Method and Description
Attributes	addLowerDirectoryRecord(Attributes parentRec, Attributes rec)
private void	addRecord(int tag, Attributes prevRec, Attributes rec)
Attributes	addRootDirectoryRecord(Attributes rec)
void	clearCache()
void	close()
void	commit()
static void	createEmptyDirectory(File file, Attributes fmi, String id, File descFile, String charset)
static void	createEmptyDirectory(File file, String iuid, String id, File descFile, String charset)
private static Attributes	createFileSetInformation(File file, String id, File descFile, String charset)
boolean	deleteRecord(Attributes rec)
Attributes	findOrAddPatientRecord(Attributes rec)
Attributes	findOrAddSeriesRecord(Attributes studyRec, Attributes rec)
Attributes	findOrAddStudyRecord(Attributes patRec, Attributes rec)
DicomEncodingOptions	getEncodingOptions()
private void	markAsDirty(Attributes rec)
static DicomDirWriter	open(File file)
int	purge()
private boolean	purge(Attributes rec, int[] count)
private void	restoreDirInfo()
void	rollback()
void	setEncodingOptions(DicomEncodingOptions encOpts)
String[]	toFileIDs(File f)
private static String[]	toFileIDs(File dfile, File f)
private void	updateDirInfoHeader()
private void	writeDirInfoHeader()
private void	writeDirRecordHeader(Attributes rec)
private void	writeFileSetConsistencyFlag(int flag)
private void	writeRecord(int offset, Attributes rec)
private void	writeSequenceDelimitationItem()

Methods inherited from class org.dcm4che3.media.DicomDirReader

findFirstRootDirectoryRecordInUse, findLastLowerDirectoryRecord, findLowerDirectoryRecord, findLowerDirectoryRecordInUse, findLowerInstanceRecord, findNextDirectoryRecord, findNextDirectoryRecordInUse, findNextInstanceRecord, findNextPatientRecord, findNextSeriesRecord, findNextStudyRecord, findPatientRecord, findRootDirectoryRecord, findRootDirectoryRecord, findRootInstanceRecord, findSeriesRecord, findStudyRecord, getDescriptorFile, getDescriptorFileCharacterSet, getFile, getFileMetaInformation, getFileSetConsistencyFlag, getFileSetID, getFileSetInformation, getFileSetUID, getOffsetOfFirstRootDirectoryRecord, getOffsetOfLastRootDirectoryRecord, getTransferSyntaxUID, inUse, isEmpty, isPrivate, knownInconsistencies, readFirstRootDirectoryRecord, readLastRootDirectoryRecord, readLowerDirectoryRecord, readNextDirectoryRecord, setFileSetConsistencyFlag, setOffsetOfFirstRootDirectoryRecord, setOffsetOfLastRootDirectoryRecord, toFile

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

KNOWN_INCONSISTENCIES

private static final int KNOWN_INCONSISTENCIES

See Also:

Constant Field Values

NO_KNOWN_INCONSISTENCIES

private static final int NO_KNOWN_INCONSISTENCIES

See Also:

Constant Field Values

IN_USE

private static final int IN_USE

See Also:

Constant Field Values

INACTIVE

private static final int INACTIVE

See Also:

Constant Field Values

dirInfoHeader

private final byte[] dirInfoHeader

dirRecordHeader

private final byte[] dirRecordHeader

out

private final DicomOutputStream out

firstRecordPos

private final int firstRecordPos

nextRecordPos

private int nextRecordPos

rollbackLen

private int rollbackLen

lastChildRecords

private IdentityHashMap<Attributes,Attributes> lastChildRecords

dirtyRecords

private final ArrayList<Attributes> dirtyRecords

offsetComparator

private static final Comparator<Attributes> offsetComparator

Constructor Detail

DicomDirWriter

private DicomDirWriter(File file)
                throws IOException

Throws:

IOException

Method Detail

getEncodingOptions

public DicomEncodingOptions getEncodingOptions()

setEncodingOptions

public void setEncodingOptions(DicomEncodingOptions encOpts)

open

public static DicomDirWriter open(File file)
                           throws IOException

Throws:

IOException

createEmptyDirectory

public static void createEmptyDirectory(File file,
                                        String iuid,
                                        String id,
                                        File descFile,
                                        String charset)
                                 throws IOException

Throws:

IOException

createEmptyDirectory

public static void createEmptyDirectory(File file,
                                        Attributes fmi,
                                        String id,
                                        File descFile,
                                        String charset)
                                 throws IOException

Throws:

IOException

createFileSetInformation

private static Attributes createFileSetInformation(File file,
                                                   String id,
                                                   File descFile,
                                                   String charset)

addRootDirectoryRecord

public Attributes addRootDirectoryRecord(Attributes rec)
                                  throws IOException

Throws:

IOException

addLowerDirectoryRecord

public Attributes addLowerDirectoryRecord(Attributes parentRec,
                                          Attributes rec)
                                   throws IOException

Throws:

IOException

findOrAddPatientRecord

public Attributes findOrAddPatientRecord(Attributes rec)
                                  throws IOException

Throws:

IOException

findOrAddStudyRecord

public Attributes findOrAddStudyRecord(Attributes patRec,
                                       Attributes rec)
                                throws IOException

Throws:

IOException

findOrAddSeriesRecord

public Attributes findOrAddSeriesRecord(Attributes studyRec,
                                        Attributes rec)
                                 throws IOException

Throws:

IOException

deleteRecord

public boolean deleteRecord(Attributes rec)
                     throws IOException

Throws:

IOException

rollback

public void rollback()
              throws IOException

Throws:

IOException

clearCache

public void clearCache()

Overrides:

clearCache in class DicomDirReader

commit

public void commit()
            throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class DicomDirReader

Throws:

IOException

toFileIDs

public String[] toFileIDs(File f)

toFileIDs

private static String[] toFileIDs(File dfile,
                                  File f)

updateDirInfoHeader

private void updateDirInfoHeader()

restoreDirInfo

private void restoreDirInfo()

writeDirInfoHeader

private void writeDirInfoHeader()
                         throws IOException

Throws:

IOException

writeDirRecordHeader

private void writeDirRecordHeader(Attributes rec)
                           throws IOException

Throws:

IOException

writeSequenceDelimitationItem

private void writeSequenceDelimitationItem()
                                    throws IOException

Throws:

IOException

addRecord

private void addRecord(int tag,
                       Attributes prevRec,
                       Attributes rec)
                throws IOException

Throws:

IOException

writeRecord

private void writeRecord(int offset,
                         Attributes rec)
                  throws IOException

Throws:

IOException

writeFileSetConsistencyFlag

private void writeFileSetConsistencyFlag(int flag)
                                  throws IOException

Throws:

IOException

markAsDirty

private void markAsDirty(Attributes rec)

purge

public int purge()
          throws IOException

Throws:

IOException

purge

private boolean purge(Attributes rec,
                      int[] count)
               throws IOException

Throws:

IOException