com.sun.mail.pop3

Class 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 and 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 and Description
WritableSharedFile(java.io.File file)

Method Summary

Modifier and Type	Method and 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.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.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

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