mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 04:05:49 +00:00
65 lines
2.4 KiB
Java
65 lines
2.4 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is the Grendel mail/news client.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape Communications
|
|
* Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1997 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Created: Jamie Zawinski <jwz@netscape.com>, 28 Aug 1997.
|
|
*/
|
|
|
|
package grendel.mime;
|
|
|
|
import calypso.util.ByteBuf;
|
|
import java.util.Enumeration;
|
|
|
|
/** This is the interface of objects which operate on a parsed tree of
|
|
MIME objects. When an IMimeParser is created to parse a stream, an
|
|
implementor of IMimeOperator is created along with it, to operate
|
|
on the MIME objects as they are parsed. Each IMimeOperator has
|
|
an IMimeObject associated with it, representing the node currently
|
|
being parsed. It may use that to interrogate information like
|
|
content-types and other header values.
|
|
|
|
@see grendel.mime.html.MimeHTMLOperatorFactory
|
|
@see IMimeObject
|
|
@see IMimeParser
|
|
*/
|
|
|
|
public interface IMimeOperator {
|
|
|
|
/** If the MimeObject is a leaf node, this method is called with the bytes
|
|
of the body. It may be called any number of times, including 0, and the
|
|
blocks will not necessarily fall on line boundaries.
|
|
*/
|
|
void pushBytes(ByteBuf b);
|
|
|
|
/** If the MimeObject is not a leaf node, this method will be called each
|
|
time a new child object is seen. It should create and return a
|
|
corresponding MimeOperator (which may or may not be of the same type
|
|
as `this'.)
|
|
*/
|
|
IMimeOperator createChild(IMimeObject object);
|
|
|
|
/** This method is called when the end of the MimeObject's body has been
|
|
seen. It is called exactly once, and is called both for leaf and
|
|
non-leaf MIME objects. Neither pushBytes() nor createChild() will
|
|
be called after pushEOF().
|
|
*/
|
|
void pushEOF();
|
|
}
|