org.dcm4che2.io
Class DicomInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          org.dcm4che2.io.DicomInputStream

All Implemented Interfaces:

java.io.Closeable, DicomInputHandler

public class DicomInputStream
extends java.io.FilterInputStream
implements DicomInputHandler

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

DicomInputStream(java.io.File f)

DicomInputStream(javax.imageio.stream.ImageInputStream iis)

DicomInputStream(javax.imageio.stream.ImageInputStream iis, TransferSyntax ts)

DicomInputStream(java.io.InputStream in)

DicomInputStream(java.io.InputStream in, java.lang.String tsuid)

DicomInputStream(java.io.InputStream in, TransferSyntax ts)

DicomInputStream(java.io.RandomAccessFile raf)

DicomInputStream(java.io.RandomAccessFile raf, TransferSyntax ts)

Method Summary

DicomObject	getDicomObject()
long	getEndOfFileMetaInfoPosition()
byte[]	getPreamble()
long	getStreamPosition()
TransferSyntax	getTransferSyntax()
int	level()
void	mark(int readlimit)
int	read()
int	read(byte[] b, int off, int len)
byte[]	readBytes(int vallen)
DicomObject	readDicomObject()
void	readDicomObject(DicomObject dest, int len)
DicomObject	readFileMetaInformation() Read File Meta Information from this stream.
void	readFileMetaInformation(DicomObject dest) Read File Meta Information from this stream into DicomObject.
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
int	readHeader()
void	readItem(DicomObject dest)
void	readItems(DicomElement sq, int sqlen)
boolean	readValue(DicomInputStream dis) Called by the input stream when reading a DICOM value in the stream.
void	reset()
void	setEndOfFileMetaInfoPosition(long fmiEndPos)
void	setHandler(DicomInputHandler handler)
void	setStreamPosition(long pos)
long	skip(long n)
void	skipFully(long len)
DicomElement	sq()
int	tag()
long	tagPosition()
int	valueLength()
VR	vr()

Methods inherited from class java.io.FilterInputStream

available, close, markSupported, read

Methods inherited from class java.lang.Object

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

Constructor Detail

DicomInputStream

public DicomInputStream(java.io.RandomAccessFile raf)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(java.io.RandomAccessFile raf,
                        TransferSyntax ts)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(java.io.File f)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(javax.imageio.stream.ImageInputStream iis,
                        TransferSyntax ts)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(javax.imageio.stream.ImageInputStream iis)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(java.io.InputStream in,
                        java.lang.String tsuid)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(java.io.InputStream in)
                 throws java.io.IOException

Throws:

java.io.IOException

DicomInputStream

public DicomInputStream(java.io.InputStream in,
                        TransferSyntax ts)
                 throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getPreamble

public byte[] getPreamble()

getStreamPosition

public final long getStreamPosition()

setStreamPosition

public final void setStreamPosition(long pos)

tagPosition

public final long tagPosition()

getEndOfFileMetaInfoPosition

public final long getEndOfFileMetaInfoPosition()

setEndOfFileMetaInfoPosition

public final void setEndOfFileMetaInfoPosition(long fmiEndPos)

setHandler

public final void setHandler(DicomInputHandler handler)

tag

public final int tag()

level

public final int level()

valueLength

public final int valueLength()

vr

public final VR vr()

sq

public final DicomElement sq()

getTransferSyntax

public final TransferSyntax getTransferSyntax()

getDicomObject

public final DicomObject getDicomObject()

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

mark

public void mark(int readlimit)

Overrides:

mark in class java.io.FilterInputStream

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.FilterInputStream

Throws:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class java.io.FilterInputStream

Throws:

java.io.IOException

skipFully

public final void skipFully(long len)
                     throws java.io.IOException

Throws:

java.io.IOException

readFully

public final void readFully(byte[] b)
                     throws java.io.IOException

Throws:

java.io.IOException

readFully

public final void readFully(byte[] b,
                            int off,
                            int len)
                     throws java.io.IOException

Throws:

java.io.IOException

readHeader

public int readHeader()
               throws java.io.IOException

Throws:

java.io.IOException

readItem

public void readItem(DicomObject dest)
              throws java.io.IOException

Throws:

java.io.IOException

readDicomObject

public void readDicomObject(DicomObject dest,
                            int len)
                     throws java.io.IOException

Throws:

java.io.IOException

readDicomObject

public DicomObject readDicomObject()
                            throws java.io.IOException

Throws:

java.io.IOException

readFileMetaInformation

public void readFileMetaInformation(DicomObject dest)
                             throws java.io.IOException

Read File Meta Information from this stream into DicomObject.

If there is no File Meta Information on current stream position, the method returns without changing the stream position. Otherwise the stream will be parsed until the end of the File Meta Information is detected and File Meta Information elements are put into dest.

Parameters:

dest - DicomObject into which File Meta Information is read.

Throws:

java.io.EOFException - if this stream reaches the end before the end of the File Meta Information is detected.

java.io.IOException - if an I/O error occurs.

readFileMetaInformation

public DicomObject readFileMetaInformation()
                                    throws java.io.IOException

Read File Meta Information from this stream.

If there is no File Meta Information on current stream position, null is returned. Otherwise the stream will be parsed until the end of the File Meta Information is detected and a DicomObject containing the File Meta Information is returned.

Returns:

File Meta Information or null

Throws:

java.io.EOFException - if this stream reaches the end before the end of the File Meta Information is detected.

java.io.IOException - if an I/O error occurs.

readValue

public boolean readValue(DicomInputStream dis)
                  throws java.io.IOException

Description copied from interface: DicomInputHandler

Called by the input stream when reading a DICOM value in the stream.

Specified by:

readValue in interface DicomInputHandler

Parameters:

dis - The DicomInputStream calling this method.

Returns:

boolean true if the stream should continue reading the item.

Throws:

java.io.IOException

readItems

public void readItems(DicomElement sq,
                      int sqlen)
               throws java.io.IOException

Throws:

java.io.IOException

readBytes

public byte[] readBytes(int vallen)
                 throws java.io.IOException

Throws:

java.io.IOException