Write a stream into a file with NIO and the Channel system

I have an inputStream and i want to write it to a file.

I saw NIO and 开发者_运维技巧the FileChannel which has the method "transferTo" ou "transferFrom" and i know how to create the WriteableChannel, but i don't know to transform my inputStream to a ReadableChannel.

Thanks.

Have a look at the Channels.newChannel(java.io.InputStream) method.

newChannel

  public static ReadableByteChannel newChannel(InputStream in)

Constructs a channel that reads bytes from the given stream.

The resulting channel will not be buffered; it will simply redirect its I/O operations to the given stream. Closing the channel will in turn cause the stream to be closed.

Parameters:in - The stream from which bytes are to be read
Returns:A new readable byte channel