зеркало из https://github.com/mozilla/pjs.git
62 строки
2.3 KiB
Java
62 строки
2.3 KiB
Java
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/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Jamie Zawinski <jwz@netscape.com>, 28 Aug 1997.
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*/
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package grendel.mime;
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import calypso.util.ByteBuf;
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import java.util.Enumeration;
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/** This is the interface of objects which operate on a parsed tree of
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MIME objects. When an IMimeParser is created to parse a stream, an
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implementor of IMimeOperator is created along with it, to operate
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on the MIME objects as they are parsed. Each IMimeOperator has
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an IMimeObject associated with it, representing the node currently
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being parsed. It may use that to interrogate information like
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content-types and other header values.
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@see grendel.mime.html.MimeHTMLOperatorFactory
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@see IMimeObject
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@see IMimeParser
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*/
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public interface IMimeOperator {
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/** If the MimeObject is a leaf node, this method is called with the bytes
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of the body. It may be called any number of times, including 0, and the
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blocks will not necessarily fall on line boundaries.
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*/
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void pushBytes(ByteBuf b);
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/** If the MimeObject is not a leaf node, this method will be called each
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time a new child object is seen. It should create and return a
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corresponding MimeOperator (which may or may not be of the same type
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as `this'.)
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*/
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IMimeOperator createChild(IMimeObject object);
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/** This method is called when the end of the MimeObject's body has been
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seen. It is called exactly once, and is called both for leaf and
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non-leaf MIME objects. Neither pushBytes() nor createChild() will
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be called after pushEOF().
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*/
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void pushEOF();
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}
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