code: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements. See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership. The ASF licenses this file
   * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  /*
   * $Id$
   */
   
  package org.apache.xalan.trace;
  
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Method;
  
  import org.apache.xalan.transformer.TransformerImpl;
  
  /**
   * An event representing an extension call.
   */
  public class ExtensionEvent {
  
  	public static final int DEFAULT_CONSTRUCTOR = 0;
  	public static final int METHOD = 1;
  	public static final int CONSTRUCTOR = 2;
  	
  	public final int m_callType; 
  	public final TransformerImpl m_transformer;
  	public final Object m_method;
  	public final Object m_instance;
  	public final Object[] m_arguments;
  	
  	
  	public ExtensionEvent(TransformerImpl transformer, Method method, Object instance, Object[] arguments) {
  		m_transformer = transformer;
  		m_method = method;
  		m_instance = instance;
  		m_arguments = arguments;
  		m_callType = METHOD;
  	}		
  
  	public ExtensionEvent(TransformerImpl transformer, Constructor constructor, Object[] arguments) {
  		m_transformer = transformer;
  		m_instance = null;		
  		m_arguments = arguments;
  		m_method = constructor;
  		m_callType = CONSTRUCTOR;		
  	}
  
  	public ExtensionEvent(TransformerImpl transformer, Class clazz) {
  		m_transformer = transformer;
  		m_instance = null;
  		m_arguments = null;
  		m_method = clazz;
  		m_callType = DEFAULT_CONSTRUCTOR;
  	}
  
  }
  
  