WritableSharedFile

java.lang.Object
- java.io.InputStream
- - java.io.FilterInputStream
  - - java.io.BufferedInputStream
    - - javax.mail.util.SharedFileInputStream
      - com.sun.mail.pop3.WritableSharedFile

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, SharedInputStream
```
class WritableSharedFile
extends SharedFileInputStream
```
A subclass of SharedFileInputStream that also allows writing.

Field Summary

Fields
Modifier and Type Field Description

private AppendStream af

private java.io.RandomAccessFile raf
- Fields inherited from class javax.mail.util.SharedFileInputStream
  bufpos, bufsize, datalen, in, start
- Fields inherited from class java.io.BufferedInputStream
  buf, count, marklimit, markpos, pos

Constructor Summary

Constructors
Constructor Description

WritableSharedFile(java.io.File file)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	Close the readable and writable files.
`AppendStream`	`getAppendStream()`	Return a new AppendStream, but only if one isn't in active use.
`java.io.RandomAccessFile`	`getWritableFile()`	Return the writable version of this file.
`(package private) long`	`updateLength()`	Update the size of the readable file after writing to the file.

Methods inherited from class javax.mail.util.SharedFileInputStream
available, finalize, getPosition, mark, markSupported, newStream, read, read, reset, skip

Methods inherited from class java.io.FilterInputStream
read

Methods inherited from class java.io.InputStream
nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo

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

- Field Detail
  - raf
```
private java.io.RandomAccessFile raf
```
  - af
```
private AppendStream af
```
- Constructor Detail
  - WritableSharedFile
```
public WritableSharedFile(java.io.File file)
                   throws java.io.IOException
```
    Throws:
    
    java.io.IOException
- Method Detail
  - getWritableFile
```
public java.io.RandomAccessFile getWritableFile()
```
    Return the writable version of this file.
  - close
```
public void close()
           throws java.io.IOException
```
    Close the readable and writable files.
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
    
    Overrides:
    
    close in class SharedFileInputStream
    
    Throws:
    
    java.io.IOException - if an I/O error occurs.
  - updateLength
```
long updateLength()
           throws java.io.IOException
```
    Update the size of the readable file after writing to the file. Updates the length to be the current size of the file.
    
    Throws:
    
    java.io.IOException
  - getAppendStream
```
public AppendStream getAppendStream()
                             throws java.io.IOException
```
    Return a new AppendStream, but only if one isn't in active use.
    
    Throws:
    
    java.io.IOException