001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the "License"); 007 * you may not use this file except in compliance with the License. 008 * You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 /* 019 * $Id: TraceListenerEx3.java 468644 2006-10-28 06:56:42Z minchau $ 020 */ 021 022 package org.apache.xalan.trace; 023 024 /** 025 * Extends TraceListenerEx2 but adds extensions trace events. 026 * @xsl.usage advanced 027 */ 028 public interface TraceListenerEx3 extends TraceListenerEx2 { 029 030 /** 031 * Method that is called when an extension event occurs. 032 * The method is blocking. It must return before processing continues. 033 * 034 * @param ee the extension event. 035 */ 036 public void extension(ExtensionEvent ee); 037 038 /** 039 * Method that is called when the end of an extension event occurs. 040 * The method is blocking. It must return before processing continues. 041 * 042 * @param ee the extension event. 043 */ 044 public void extensionEnd(ExtensionEvent ee); 045 046 } 047