Class SubImageInputStream

java.lang.Object

javax.imageio.stream.ImageInputStreamImpl

org.monte.media.io.ImageInputStreamImpl2

org.monte.media.io.SubImageInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, ImageInputStream

public class SubImageInputStream
extends ImageInputStreamImpl2

SubImageInputStream.

Author:

Werner Randelshofer

Field Summary

Fields inherited from class org.monte.media.io.ImageInputStreamImpl2

byteBuf

Fields inherited from class javax.imageio.stream.ImageInputStreamImpl

bitOffset, byteOrder, flushedPos, streamPos

Constructor Summary

Constructors

Constructor	Description
SubImageInputStream(ImageInputStream in, long offset, long length)

Method Summary

Modifier and Type	Method	Description
void	flush()
long	getFlushedPosition()
long	getStreamPosition()
boolean	isCached()	Default implementation returns false.
boolean	isCachedFile()
boolean	isCachedMemory()	Default implementation returns false.
long	length()
int	read()
int	read(byte[] b, int off, int len)
void	seek(long pos)

Methods inherited from class org.monte.media.io.ImageInputStreamImpl2

readInt, readShort

Methods inherited from class javax.imageio.stream.ImageInputStreamImpl

checkClosed, close, finalize, flushBefore, getBitOffset, getByteOrder, mark, read, readBit, readBits, readBoolean, readByte, readBytes, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readLine, readLong, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, reset, setBitOffset, setByteOrder, skipBytes, skipBytes

Methods inherited from class java.lang.Object

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

Constructor Details

SubImageInputStream

public SubImageInputStream(ImageInputStream in,
 long offset,
 long length)
                    throws IOException

Throws:

IOException

Method Details

read

public int read()
         throws IOException

Specified by:

read in interface ImageInputStream

Specified by:

read in class ImageInputStreamImpl

Throws:

IOException

read

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

Specified by:

read in interface ImageInputStream

Specified by:

read in class ImageInputStreamImpl

Throws:

IOException

getStreamPosition

public long getStreamPosition()
                       throws IOException

Specified by:

getStreamPosition in interface ImageInputStream

Overrides:

getStreamPosition in class ImageInputStreamImpl

Throws:

IOException

seek

public void seek(long pos)
          throws IOException

Specified by:

seek in interface ImageInputStream

Overrides:

seek in class ImageInputStreamImpl

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface ImageInputStream

Overrides:

flush in class ImageInputStreamImpl

Throws:

IOException

getFlushedPosition

public long getFlushedPosition()

Specified by:

getFlushedPosition in interface ImageInputStream

Overrides:

getFlushedPosition in class ImageInputStreamImpl

isCached

public boolean isCached()

Default implementation returns false. Subclasses should override this if they cache data.

Specified by:

isCached in interface ImageInputStream

Overrides:

isCached in class ImageInputStreamImpl

isCachedMemory

public boolean isCachedMemory()

Default implementation returns false. Subclasses should override this if they cache data in main memory.

Specified by:

isCachedMemory in interface ImageInputStream

Overrides:

isCachedMemory in class ImageInputStreamImpl

isCachedFile

public boolean isCachedFile()

Specified by:

isCachedFile in interface ImageInputStream

Overrides:

isCachedFile in class ImageInputStreamImpl

length

public long length()

Specified by:

length in interface ImageInputStream

Overrides:

length in class ImageInputStreamImpl