com.sun.squawk.io
Class ConnectionBase

java.lang.Object
  com.sun.squawk.io.ConnectionBase

All Implemented Interfaces:

Connection

Direct Known Subclasses:

Protocol, Protocol, Protocol, Protocol, Protocol, Protocol, Protocol, Protocol, RadioConnectionBase

public abstract class ConnectionBase
extends Object
implements Connection

Base class for Connection protocols.

Constructor Summary

ConnectionBase()

Method Summary

void	close() Close
abstract Connection	open(String protocol, String name, int mode, boolean timeouts) Open a connection to a target.
DataInputStream	openDataInputStream() Create and open a connection input stream.
DataOutputStream	openDataOutputStream() Create and open a connection output stream.
InputStream	openInputStream() Open and return a data input stream for a connection.
OutputStream	openOutputStream() Open and return a data output stream for a connection.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConnectionBase

public ConnectionBase()

Method Detail

close

public void close()
           throws IOException

Close

Specified by:

close in interface Connection

Throws:

IOException - If an I/O error occurs

open

public abstract Connection open(String protocol,
                                String name,
                                int mode,
                                boolean timeouts)
                         throws IOException

Open a connection to a target.

Parameters:

protocol - The URL protocol

name - The URL for the connection

mode - The access mode

timeouts - A flag to indicate that the caller wants timeout exceptions

Returns:

A new Connection object

Throws:

IllegalArgumentException - If a parameter is invalid.

ConnectionNotFoundException - If the connection cannot be found.

IOException - If some other kind of I/O error occurs.

openDataInputStream

public DataInputStream openDataInputStream()
                                    throws IOException

Create and open a connection input stream.

Returns:

A DataInputStream.

Throws:

IllegalArgumentException - If a parameter is invalid.

ConnectionNotFoundException - If the connection cannot be found.

IOException - If some other kind of I/O error occurs.

openDataOutputStream

public DataOutputStream openDataOutputStream()
                                      throws IOException

Create and open a connection output stream.

Returns:

A DataOutputStream.

Throws:

IllegalArgumentException - If a parameter is invalid.

ConnectionNotFoundException - If the connection cannot be found.

IOException - If some other kind of I/O error occurs.

openInputStream

public InputStream openInputStream()
                            throws IOException

Open and return a data input stream for a connection.

Returns:

An input stream

Throws:

IOException - If an I/O error occurs

openOutputStream

public OutputStream openOutputStream()
                              throws IOException

Open and return a data output stream for a connection.

Returns:

An input stream

Throws:

IOException - If an I/O error occurs