RandomAccessStream (ImageJ API)

java.lang.Object
- java.io.InputStream
- - ij.io.RandomAccessStream

All Implemented Interfaces:

Closeable, AutoCloseable
```
public final class RandomAccessStream
extends InputStream
```
This class uses a memory cache to allow seeking within an InputStream. Based on the JAI MemoryCacheSeekableStream class. Can also be constructed from a RandomAccessFile, which uses less memory since the memory cache is not required.

Constructor Summary

Constructors
Constructor	Description
`RandomAccessStream(InputStream inputstream)`	Constructs a RandomAccessStream from an InputStream.
`RandomAccessStream(RandomAccessFile ras)`	Constructs a RandomAccessStream from an RandomAccessFile.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`int`	`getFilePointer()`
`long`	`getLongFilePointer()`
`int`	`read()`
`int`	`read(byte[] bytes, int off, int len)`
`double`	`readDouble()`
`float`	`readFloat()`
`void`	`readFully(byte[] bytes)`
`void`	`readFully(byte[] bytes, int len)`
`int`	`readInt()`
`long`	`readLong()`
`short`	`readShort()`
`void`	`seek(int loc)`
`void`	`seek(long loc)`

Methods inherited from class java.io.InputStream
available, mark, markSupported, read, readAllBytes, readNBytes, reset, skip, transferTo

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- RandomAccessStream
```
public RandomAccessStream(InputStream inputstream)
```
  Constructs a RandomAccessStream from an InputStream. Seeking backwards is supported using a memory cache.
- RandomAccessStream
```
public RandomAccessStream(RandomAccessFile ras)
```
  Constructs a RandomAccessStream from an RandomAccessFile.

Method Detail

getFilePointer

public int getFilePointer()
                   throws IOException

Throws:: IOException

getLongFilePointer

public long getLongFilePointer()
                        throws IOException

Throws:: IOException

read
```
public int read()
         throws IOException
```
Specified by:

read in class InputStream

Throws:

IOException

read

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

Overrides:: read in class InputStream
Throws:: IOException

readFully

public final void readFully(byte[] bytes)
                     throws IOException

Throws:: IOException

readFully

public final void readFully(byte[] bytes,
                            int len)
                     throws IOException

Throws:: IOException

seek

public void seek(long loc)
          throws IOException

Throws:: IOException

seek

public void seek(int loc)
          throws IOException

Throws:: IOException

readInt

public final int readInt()
                  throws IOException

Throws:: IOException

readLong

public final long readLong()
                    throws IOException

Throws:: IOException

readDouble

public final double readDouble()
                        throws IOException

Throws:: IOException

readShort

public final short readShort()
                      throws IOException

Throws:: IOException

readFloat

public final float readFloat()
                      throws IOException

Throws:: IOException

close
```
public void close()
           throws IOException
```
Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

Class RandomAccessStream

Constructor Summary

Method Summary

Methods inherited from class java.io.InputStream

Methods inherited from class java.lang.Object

Constructor Detail

RandomAccessStream

RandomAccessStream

Method Detail

getFilePointer

getLongFilePointer

read

read

readFully

readFully

seek

seek

readInt

readLong

readDouble

readShort

readFloat

close