Tomcat example source code file (Node.java)

This example Tomcat source code file (Node.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

class, class, elexception, elexception, exception, methodinfo, node, node, object, object, string

The Tomcat Node.java source code

/* Generated By:JJTree: Do not edit this line. Node.java */

/*
 * 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.
 */

package org.apache.el.parser;

import javax.el.ELException;
import javax.el.MethodInfo;

import org.apache.el.lang.EvaluationContext;


/* All AST nodes must implement this interface.  It provides basic
   machinery for constructing the parent and child relationships
   between nodes. */

/**
 * @author Jacob Hookom [jacob@hookom.net]
 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: markt $
 */
public interface Node {

  /** This method is called after the node has been made the current
    node.  It indicates that child nodes can now be added to it. */
  public void jjtOpen();

  /** This method is called after all the child nodes have been
    added. */
  public void jjtClose();

  /** This pair of methods are used to inform the node of its
    parent. */
  public void jjtSetParent(Node n);
  public Node jjtGetParent();

  /** This method tells the node to add its argument to the node's
    list of children.  */
  public void jjtAddChild(Node n, int i);

  /** This method returns a child node.  The children are numbered
     from zero, left to right. */
  public Node jjtGetChild(int i);

  /** Return the number of children the node has. */
  public int jjtGetNumChildren();
  
  public String getImage();
  
  public Object getValue(EvaluationContext ctx) throws ELException;
  public void setValue(EvaluationContext ctx, Object value) throws ELException;
  public Class getType(EvaluationContext ctx) throws ELException;
  public boolean isReadOnly(EvaluationContext ctx) throws ELException;
  public void accept(NodeVisitor visitor) throws Exception;
  public MethodInfo getMethodInfo(EvaluationContext ctx, Class[] paramTypes) throws ELException;
  public Object invoke(EvaluationContext ctx, Class[] paramTypes, Object[] paramValues) throws ELException;
}