JDWPListener.CommandSet (2013 FRC Java API)

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com.sun.squawk.debugger
Class JDWPListener.CommandSet

java.lang.Object
  com.sun.squawk.debugger.JDWPListener.CommandSet

Enclosing class:: JDWPListener

public abstract static class JDWPListener.CommandSet
extends Object
extends Object

The implementation of each JDWP Command Set subclasses this class.

Field Summary
`protected CommandPacket`	`command` The command currently being processed.
`protected PacketInputStream`	`in` Stream from which data of current command is read.
`protected PacketOutputStream`	`out` Stream to which data in reply is written.
`protected ReplyPacket`	`reply` The reply to the current command.

Constructor Summary
`JDWPListener.CommandSet()`

Method Summary
`protected abstract boolean`	`dispatch()` Dispatches to the handler for the specific command in the command set.
`protected void`	`error(int errorCode)` Used by subclasses to change the error code sent in the reply.
`boolean`	`handle(JDWPListener listener, CommandPacket command)` Handles a command packet by setting up the variables used to interpret and reply to the command and then dispatching to the specific command handler.
`protected void`	`postDispatch()` A hook for the handler to do any post-processing after it has handled a command and the reply was sent (if applicable).
`protected void`	`unimplemented()` Reports that the JDWP/SDWP command is not (currently) implemented.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

command

protected CommandPacket command

The command currently being processed.

reply

protected ReplyPacket reply

The reply to the current command.

in

protected PacketInputStream in

Stream from which data of current command is read.

out

protected PacketOutputStream out

Stream to which data in reply is written.

Constructor Detail

JDWPListener.CommandSet

public JDWPListener.CommandSet()

Method Detail

handle

public final boolean handle(JDWPListener listener,
                            CommandPacket command)
                     throws IOException

Handles a command packet by setting up the variables used to interpret and reply to the command and then dispatching to the specific command handler.

Parameters:: listener - the listener to reply through; command - the command to be handled
Returns:: boolean true if the command was recognised and a reply was sent
Throws:: IOException - if there was an IO error while sending a reply

dispatch

protected abstract boolean dispatch()
                             throws IOException,
                                    SDWPException

Dispatches to the handler for the specific command in the command set.

Returns:: true if the handler generated a reply which must now be sent
Throws:: IOException - if an IO error occurs; SDWPException - if a JDWP/SDWP protocol error occurs

error

protected final void error(int errorCode)

Used by subclasses to change the error code sent in the reply.

Parameters:: errorCode - the new error code

unimplemented

protected final void unimplemented()

Reports that the JDWP/SDWP command is not (currently) implemented.

postDispatch

protected void postDispatch()

A hook for the handler to do any post-processing after it has handled a command and the reply was sent (if applicable).