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package javax.servlet.http;

import java.io.IOException;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletOutputStream;

This interface encapsulates the connection for an upgrade request. It allows the protocol handler to send service requests and status queries to the container.
Since:Servlet 3.1
/** * This interface encapsulates the connection for an upgrade request. * It allows the protocol handler to send service requests and status * queries to the container. * * @since Servlet 3.1 */
public interface WebConnection extends AutoCloseable {
Returns an input stream for this web connection.
Throws:
Returns:a ServletInputStream for reading binary data
/** * Returns an input stream for this web connection. * * @return a ServletInputStream for reading binary data * * @exception IOException if an I/O error occurs */
public ServletInputStream getInputStream() throws IOException;
Returns an output stream for this web connection.
Throws:
Returns:a ServletOutputStream for writing binary data
/** * Returns an output stream for this web connection. * * @return a ServletOutputStream for writing binary data * * @exception IOException if an I/O error occurs */
public ServletOutputStream getOutputStream() throws IOException; }