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Java > Open Source Codes > com > icl > saxon > NodeHandler


1 package com.icl.saxon;
2 import com.icl.saxon.om.NodeInfo;
3 import javax.xml.transform.TransformerException JavaDoc;
4
5
6 /**
7  * This abstract class defines the node handler interface used by SAXON.
8  * This is used to handle all kinds of nodes: elements, character data, and attributes
9  * @author <A HREF="mailto:mhkay@iclway.co.uk>Michael H. Kay</A>
10  */
11  
12 public interface NodeHandler {
13
14     /**
15     * Define action to be taken at the start of a node.<BR>
16     * This method must be implemented in a subclass.
17     * @param node The NodeInfo object for the current node.
18     * @exception SAXException Aborts the parse
19     * @see NodeInfo
20     */
21     
22     public abstract void start( NodeInfo node, Context context )
23     throws TransformerException JavaDoc;
24
25     /**
26     * Optimization hint to allow a handler to declare that it needs no stack space
27     * for local variables and parameters
28     */
29
30     public boolean needsStackFrame();
31 }
32
33 //
34 // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
35 // you may not use this file except in compliance with the License. You may obtain a copy of the
36 // License at http://www.mozilla.org/MPL/
37 //
38 // Software distributed under the License is distributed on an "AS IS" basis,
39 // WITHOUT WARRANTY OF ANY KIND, either express or implied.
40 // See the License for the specific language governing rights and limitations under the License.
41 //
42 // The Original Code is: all this file.
43 //
44 // The Initial Developer of the Original Code is
45 // Michael Kay of International Computers Limited (mhkay@iclway.co.uk).
46 //
47 // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
48 //
49 // Contributor(s): none.
50 //
51
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