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package org.jvnet.jaxbcommons.tree;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

public class Node {

  private String name;

  private Class type;

  private Object value;

  private Node[] children;

  public Node(String name, Class type, Object value, Node[] children) {
    this.name = name;
    this.type = type;
    this.value = value;
    this.children = children;
  }

  public Node(String name, Class type, Object value, Node[][] children) {
    this(name, type, value, concat(children));
  }
  
  public Node[] getChildren() {
    return children;
  }
  
  public String getName() {
    return name;
  }
  
  public Class getType() {
    return type;
  }
  
  public Object getValue() {
    return value;
  }

  public static Node[] concat(Node[][] nodeArrays) {
    final List list = new ArrayList();
    for (int index = 0; index < nodeArrays.length; index++) {
      final Node[] nodes = nodeArrays[index];
      for (int jndex = 0; jndex < nodes.length; jndex++) {
        final Node node = nodes[jndex];
        list.add(node);
      }
    }
    return toArray(list);
  }

  public static Node[] toArray(Collection collection) {
    if (collection == null) {
      return null;
    }
    else {
      return (Node[]) collection.toArray(new Node[collection.size()]);
    }
  }
  
  public Object visit(NodeVisitor nodeVisitor){
    return nodeVisitor.visitNode(this);
  }
}