org.freehep.util.io
Class Action

java.lang.Object
  org.freehep.util.io.Action

Direct Known Subclasses:

Action.Unknown

public abstract class Action
extends Object

Generic Action, to be used with the TagIn/OutputStreams. An action can have an ActionCode, a length as well as parameters.

Version:

$Id: Action.java 8584 2006-08-10 23:06:37Z duns $

Author:

Mark Donszelmann, Charles Loomis

Nested Class Summary

static class

Action.Unknown Used for not recognized actions.

Constructor Summary

protected

Action(int code)

Method Summary

int	getCode()
String	getName()
abstract Action	read(int actionCode, TaggedInputStream input, int length) Read an action from the input, with given actioncode and length
String	toString()
abstract void	write(int actionCode, TaggedOutputStream output) Write an action to output

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Action

protected Action(int code)

Method Detail

read

public abstract Action read(int actionCode,
                            TaggedInputStream input,
                            int length)
                     throws IOException

Read an action from the input, with given actioncode and length

Parameters:

actionCode - decoded actionCode

input - input to read from

length - length to read

Returns:

action corresponding to actionCode

Throws:

IOException - if read fails

write

public abstract void write(int actionCode,
                           TaggedOutputStream output)
                    throws IOException

Write an action to output

Parameters:

actionCode - actionCode to use for this action

output - output to write to

Throws:

IOException - if write fails

getCode

public int getCode()

Returns:

actionCode

getName

public String getName()

Returns:

name of the action

toString

public String toString()

Overrides:

toString in class Object