javax.microedition.io.StreamConnection Maven / Gradle / Ivy
/*
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This work corresponds to the API signatures of JSR 219: Foundation
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*/
package javax.microedition.io;
import java.io.*;
/**
* This interface defines the capabilities that a stream connection
* must have.
*
* In a typical implementation of this interface (for instance
* in MIDP 2.0), all StreamConnections have one
* underlying InputStream and one OutputStream.
* Opening a DataInputStream counts as opening an
* InputStream and opening a DataOutputStream
* counts as opening an OutputStream. Trying to open
* another InputStream or OutputStream
* causes an IOException. Trying to open the
* InputStream or OutputStream after
* they have been closed causes an IOException.
*
* NOTE of clarification for implementations supporting multiple streams:
* Each openXXXStream (where XXX can be
* either Input or Output) call returns
* a unique new stream, not a copy of a single stream. When an opened
* stream is closed, a StreamConnection implementation may
* choose to close the connection and close all other opened streams derived
* from that connection. When this choice of implementation happens, further
* access to the connection and streams will throw an IOException.
* When this choice of implementation is not chosen, where one opened
* stream is closed, all other opened streams must remain open and any
* other openXXXStream call is valid and must return a new
* unique XXXStream.
*
*
* The methods of StreamConnection are not
* synchronized. The only stream method that can be called safely
* in another thread is close.
*
* @author Nik Shaylor, Antero Taivalsaari
* @version 12/17/01 (CLDC 1.1)
* @since CLDC 1.0
*/
public interface StreamConnection extends InputConnection, OutputConnection
{
}