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Java Source Code / Java Documentation » 6.0 JDK Core » image » javax.imageio.stream 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   javax.imageio.stream.ImageInputStreamImpl
      javax.imageio.stream.FileImageInputStream

FileImageInputStream
public class FileImageInputStream extends ImageInputStreamImpl (Code)
An implementation of ImageInputStream that gets its input from a File or RandomAccessFile. The file contents are assumed to be stable during the lifetime of the object.
version:
   0.5



Constructor Summary
public  FileImageInputStream(File f)
     Constructs a FileImageInputStream that will read from a given File.
public  FileImageInputStream(RandomAccessFile raf)
     Constructs a FileImageInputStream that will read from a given RandomAccessFile.

Method Summary
public  voidclose()
    
protected  voidfinalize()
    
public  longlength()
     Returns the length of the underlying file, or -1 if it is unknown.
public  intread()
    
public  intread(byte[] b, int off, int len)
    
public  voidseek(long pos)
    


Constructor Detail
FileImageInputStream
public FileImageInputStream(File f) throws FileNotFoundException, IOException(Code)
Constructs a FileImageInputStream that will read from a given File.

The file contents must not change between the time this object is constructed and the time of the last call to a read method.
Parameters:
  f - a File to read from.
exception:
  IllegalArgumentException - if f isnull.
exception:
  SecurityException - if a security manager existsand does not allow read access to the file.
exception:
  FileNotFoundException - if f is a directory or cannot be opened for reading for any other reason.
exception:
  IOException - if an I/O error occurs.



FileImageInputStream
public FileImageInputStream(RandomAccessFile raf)(Code)
Constructs a FileImageInputStream that will read from a given RandomAccessFile.

The file contents must not change between the time this object is constructed and the time of the last call to a read method.
Parameters:
  raf - a RandomAccessFile to read from.
exception:
  IllegalArgumentException - if raf isnull.




Method Detail
close
public void close() throws IOException(Code)


finalize
protected void finalize() throws Throwable(Code)


length
public long length()(Code)
Returns the length of the underlying file, or -1 if it is unknown. the file length as a long, or-1.


read
public int read() throws IOException(Code)


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


seek
public void seek(long pos) throws IOException(Code)


Fields inherited from javax.imageio.stream.ImageInputStreamImpl
protected int bitOffset(Code)(Java Doc)
byte[] byteBuf(Code)(Java Doc)
protected ByteOrder byteOrder(Code)(Java Doc)
protected long flushedPos(Code)(Java Doc)
protected long streamPos(Code)(Java Doc)

Methods inherited from javax.imageio.stream.ImageInputStreamImpl
final protected void checkClosed() throws IOException(Code)(Java Doc)
public void close() throws IOException(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
public void flush() throws IOException(Code)(Java Doc)
public void flushBefore(long pos) throws IOException(Code)(Java Doc)
public int getBitOffset() throws IOException(Code)(Java Doc)
public ByteOrder getByteOrder()(Code)(Java Doc)
public long getFlushedPosition()(Code)(Java Doc)
public long getStreamPosition() throws IOException(Code)(Java Doc)
public boolean isCached()(Code)(Java Doc)
public boolean isCachedFile()(Code)(Java Doc)
public boolean isCachedMemory()(Code)(Java Doc)
public long length()(Code)(Java Doc)
public void mark()(Code)(Java Doc)
abstract public int read() throws IOException(Code)(Java Doc)
public int read(byte[] b) throws IOException(Code)(Java Doc)
abstract public int read(byte[] b, int off, int len) throws IOException(Code)(Java Doc)
public int readBit() throws IOException(Code)(Java Doc)
public long readBits(int numBits) throws IOException(Code)(Java Doc)
public boolean readBoolean() throws IOException(Code)(Java Doc)
public byte readByte() throws IOException(Code)(Java Doc)
public void readBytes(IIOByteBuffer buf, int len) throws IOException(Code)(Java Doc)
public char readChar() throws IOException(Code)(Java Doc)
public double readDouble() throws IOException(Code)(Java Doc)
public float readFloat() throws IOException(Code)(Java Doc)
public void readFully(byte[] b, int off, int len) throws IOException(Code)(Java Doc)
public void readFully(byte[] b) throws IOException(Code)(Java Doc)
public void readFully(short[] s, int off, int len) throws IOException(Code)(Java Doc)
public void readFully(char[] c, int off, int len) throws IOException(Code)(Java Doc)
public void readFully(int[] i, int off, int len) throws IOException(Code)(Java Doc)
public void readFully(long[] l, int off, int len) throws IOException(Code)(Java Doc)
public void readFully(float[] f, int off, int len) throws IOException(Code)(Java Doc)
public void readFully(double[] d, int off, int len) throws IOException(Code)(Java Doc)
public int readInt() throws IOException(Code)(Java Doc)
public String readLine() throws IOException(Code)(Java Doc)
public long readLong() throws IOException(Code)(Java Doc)
public short readShort() throws IOException(Code)(Java Doc)
public String readUTF() throws IOException(Code)(Java Doc)
public int readUnsignedByte() throws IOException(Code)(Java Doc)
public long readUnsignedInt() throws IOException(Code)(Java Doc)
public int readUnsignedShort() throws IOException(Code)(Java Doc)
public void reset() throws IOException(Code)(Java Doc)
public void seek(long pos) throws IOException(Code)(Java Doc)
public void setBitOffset(int bitOffset) throws IOException(Code)(Java Doc)
public void setByteOrder(ByteOrder byteOrder)(Code)(Java Doc)
public int skipBytes(int n) throws IOException(Code)(Java Doc)
public long skipBytes(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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