org.extex.pdf.api.action
Class ActionSpec

java.lang.Object
  org.extex.pdf.api.action.ActionSpec

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

GotoActionSpec, ThreadActionSpec, UserActionSpec

public abstract class ActionSpec
extends java.lang.Object
implements java.io.Serializable

This is the abstract base class for actions in PDF.

Version:

$Revision:4409 $

Author:

Gerd Neugebauer

See Also:

Serialized Form

Constructor Summary

ActionSpec()

Method Summary

static ActionSpec	parseActionSpec(Context context, TokenSource source, Typesetter typesetter, CodeToken primitive) Parse an action spec.
abstract java.lang.Object	visit(ActionVisitor visitor) This method is the entry point for the visitor pattern.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionSpec

public ActionSpec()

Method Detail

parseActionSpec

public static ActionSpec parseActionSpec(Context context,
                                         TokenSource source,
                                         Typesetter typesetter,
                                         CodeToken primitive)
                                  throws HelpingException,
                                         TypesetterException

Parse an action spec.

Parameters:

context - the interpreter context

source - the source for new tokens

typesetter - the typesetter

primitive - the name of the primitive

Returns:

the action spec found

Throws:

HelpingException - in case of an error

TypesetterException - in case of an error in the typesetter

visit

public abstract java.lang.Object visit(ActionVisitor visitor)

This method is the entry point for the visitor pattern.

Parameters:

visitor - the visitor to call back

Returns:

an arbitrary return object