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Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » com.sun.media.jai.codec 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.io.InputStream
      com.sun.media.jai.codec.SeekableStream
         com.sun.media.jai.codec.ForwardSeekableStream

ForwardSeekableStream
public class ForwardSeekableStream extends SeekableStream (Code)
A subclass of SeekableStream that may be used to wrap a regular InputStream efficiently. Seeking backwards is not supported.

This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.



Field Summary
 longmarkPos
     The marked position.
 longpointer
     The current position.

Constructor Summary
public  ForwardSeekableStream(InputStream src)
     Constructs a InputStreamForwardSeekableStream from a regular InputStream.

Method Summary
final public  intavailable()
     Forwards the request to the real InputStream.
final public  booleancanSeekBackwards()
     Returns false since seking backwards is not supported.
final public  voidclose()
     Forwards the request to the real InputStream.
final public  longgetFilePointer()
     Returns the current position in the stream (bytes read).
final public synchronized  voidmark(int readLimit)
     Forwards the request to the real InputStream.
public  booleanmarkSupported()
     Forwards the request to the real InputStream.
final public  intread()
     Forwards the request to the real InputStream.
final public  intread(byte[] b, int off, int len)
     Forwards the request to the real InputStream.
final public synchronized  voidreset()
     Forwards the request to the real InputStream.
final public  voidseek(long pos)
     Seeks forward to the given position in the stream.
final public  longskip(long n)
     Forwards the request to the real InputStream.

Field Detail
markPos
long markPos(Code)
The marked position.



pointer
long pointer(Code)
The current position.




Constructor Detail
ForwardSeekableStream
public ForwardSeekableStream(InputStream src)(Code)
Constructs a InputStreamForwardSeekableStream from a regular InputStream.




Method Detail
available
final public int available() throws IOException(Code)
Forwards the request to the real InputStream.



canSeekBackwards
final public boolean canSeekBackwards()(Code)
Returns false since seking backwards is not supported.



close
final public void close() throws IOException(Code)
Forwards the request to the real InputStream.



getFilePointer
final public long getFilePointer()(Code)
Returns the current position in the stream (bytes read).



mark
final public synchronized void mark(int readLimit)(Code)
Forwards the request to the real InputStream.



markSupported
public boolean markSupported()(Code)
Forwards the request to the real InputStream.



read
final public int read() throws IOException(Code)
Forwards the request to the real InputStream.



read
final public int read(byte[] b, int off, int len) throws IOException(Code)
Forwards the request to the real InputStream.



reset
final public synchronized void reset() throws IOException(Code)
Forwards the request to the real InputStream.



seek
final public void seek(long pos) throws IOException(Code)
Seeks forward to the given position in the stream. If pos is smaller than the current position as returned by getFilePointer(), nothing happens.



skip
final public long skip(long n) throws IOException(Code)
Forwards the request to the real InputStream.



Fields inherited from com.sun.media.jai.codec.SeekableStream
protected long markPos(Code)(Java Doc)

Methods inherited from com.sun.media.jai.codec.SeekableStream
public boolean canSeekBackwards()(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
abstract public long getFilePointer() throws IOException(Code)(Java Doc)
public synchronized void mark(int readLimit)(Code)(Java Doc)
public boolean markSupported()(Code)(Java Doc)
abstract public int read() throws IOException(Code)(Java Doc)
abstract public int read(byte[] b, int off, int len) throws IOException(Code)(Java Doc)
final public boolean readBoolean() throws IOException(Code)(Java Doc)
final public byte readByte() throws IOException(Code)(Java Doc)
final public char readChar() throws IOException(Code)(Java Doc)
final public char readCharLE() throws IOException(Code)(Java Doc)
final public double readDouble() throws IOException(Code)(Java Doc)
final public double readDoubleLE() throws IOException(Code)(Java Doc)
final public float readFloat() throws IOException(Code)(Java Doc)
final public float readFloatLE() throws IOException(Code)(Java Doc)
final public void readFully(byte[] b) throws IOException(Code)(Java Doc)
final public void readFully(byte[] b, int off, int len) throws IOException(Code)(Java Doc)
final public int readInt() throws IOException(Code)(Java Doc)
final public int readIntLE() throws IOException(Code)(Java Doc)
final public String readLine() throws IOException(Code)(Java Doc)
final public long readLong() throws IOException(Code)(Java Doc)
final public long readLongLE() throws IOException(Code)(Java Doc)
final public short readShort() throws IOException(Code)(Java Doc)
final public short readShortLE() throws IOException(Code)(Java Doc)
final public String readUTF() throws IOException(Code)(Java Doc)
final public int readUnsignedByte() throws IOException(Code)(Java Doc)
final public long readUnsignedInt() throws IOException(Code)(Java Doc)
final public long readUnsignedIntLE() throws IOException(Code)(Java Doc)
final public int readUnsignedShort() throws IOException(Code)(Java Doc)
final public int readUnsignedShortLE() throws IOException(Code)(Java Doc)
public synchronized void reset() throws IOException(Code)(Java Doc)
abstract public void seek(long pos) throws IOException(Code)(Java Doc)
public int skipBytes(int n) throws IOException(Code)(Java Doc)
public static SeekableStream wrapInputStream(InputStream is, boolean canSeekBackwards)(Code)(Java Doc)

Methods inherited from java.io.InputStream
public int available() throws IOException(Code)(Java Doc)
public void close() throws IOException(Code)(Java Doc)
public synchronized void mark(int readlimit)(Code)(Java Doc)
public boolean markSupported()(Code)(Java Doc)
abstract public int read() throws IOException(Code)(Java Doc)
public int read(byte b) throws IOException(Code)(Java Doc)
public int read(byte b, int off, int len) throws IOException(Code)(Java Doc)
public synchronized void reset() throws IOException(Code)(Java Doc)
public long skip(long n) throws IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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