edtFTPj/Free - Open-source FTP library for Java | Download

com.enterprisedt.net.ftp
Class AbstractFTPInputStream

java.lang.Object
  java.io.InputStream
      com.enterprisedt.net.ftp.FileTransferInputStream
          com.enterprisedt.net.ftp.AbstractFTPInputStream

All Implemented Interfaces:

java.io.Closeable

public abstract class AbstractFTPInputStream
extends FileTransferInputStream

Represents an input stream of bytes coming from an FTP server, permitting the user to download a file by reading the stream. It can only be used for one download, i.e. after the stream is closed it cannot be reopened.

Version:

$Revision: 1.2 $

Author:

Bruce Blackshaw

Field Summary

protected FTPClient	client The client being used to perform the transfer
protected java.io.BufferedInputStream	in The input stream from the FTP server

Fields inherited from class com.enterprisedt.net.ftp.FileTransferInputStream

closed, monitor, monitorCount, monitorEx, monitorInterval, pos, remoteFile, started

Constructor Summary

AbstractFTPInputStream(FTPClient client, java.lang.String remoteFile)
Constructor.

Method Summary

void	close() Closes this input stream and releases any system resources associated with the stream.
protected void	start()
protected void	start(boolean firstTime) Start the transfer

Methods inherited from class com.enterprisedt.net.ftp.FileTransferInputStream

checkMonitor, getRemoteFile, setMonitor

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, read, read, reset, skip

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

client

protected FTPClient client

The client being used to perform the transfer

in

protected java.io.BufferedInputStream in

The input stream from the FTP server

Constructor Detail

AbstractFTPInputStream

public AbstractFTPInputStream(FTPClient client,
                              java.lang.String remoteFile)
                       throws java.io.IOException,
                              FTPException

Constructor. A connected FTPClient instance must be supplied. This sets up the download. If an offset > 0 is supplied, must be a binary transfer.

Parameters:

client - connected FTPClient instance

remoteFile - remote file

Throws:

java.io.IOException

FTPException

Method Detail

start

protected void start()
              throws java.io.IOException

Throws:

java.io.IOException

start

protected void start(boolean firstTime)
              throws java.io.IOException

Start the transfer

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Closes this input stream and releases any system resources associated with the stream. This must be called before any other operations are initiated on the FTPClient.

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException - if an I/O error occurs.