com.datecs.api.printer
Class ProtocolAdapter.Channel

java.lang.Object
  com.datecs.api.printer.ProtocolAdapter.Channel

Enclosing class:

ProtocolAdapter

public class ProtocolAdapter.Channel
extends java.lang.Object

This class represents a protocol channel.

Method Summary

void	close() Close channel.
int	getChannel() Gets the channel number.
java.io.InputStream	getInputStream() Gets the input stream from channel.
java.io.OutputStream	getOutputStream() Gets the input stream from channel.
byte[]	getStatus() Gets status data from channel.
void	open() Open channel.
void	setChannel(int speed, int flow) Sets channel associated port.
void	setLedMode(int mode) Set LED indicator mode.

Methods inherited from class java.lang.Object

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

Method Detail

getChannel

public int getChannel()

Gets the channel number.

Returns:

the channel number.

open

public void open()
          throws java.io.IOException

Open channel.

Call this method before any other.

The CHANNEL_PRINTER is opened by default.

Throws:

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

close

public void close()
           throws java.io.IOException

Close channel.

The CHANNEL_PRINTER must not be closed.

Throws:

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

setChannel

public void setChannel(int speed,
                       int flow)
                throws java.io.IOException

Sets channel associated port.

Parameters:

speed - the speed of channel.

flow - the flow control of channel.

Throws:

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

setLedMode

public void setLedMode(int mode)
                throws java.io.IOException

Set LED indicator mode.

Parameters:

mode - the LED mode. The valid values can be:

• 0 - Set LED off.
• 1 - Set LED on.
• 2 - Set LED blink.

Throws:

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

getStatus

public byte[] getStatus()
                 throws java.io.IOException

Gets status data from channel.

Returns:

the status data.

Throws:

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

getInputStream

public java.io.InputStream getInputStream()

Gets the input stream from channel.

Returns:

the input stream assigned to channel.

getOutputStream

public java.io.OutputStream getOutputStream()

Gets the input stream from channel.

Returns:

the output stream assigned to channel.