content: // (c) ALEXANDRE BRILLANT : http://www.japisoft.com
  // All this work is confidential, you have rights to
  // change and evolve it for your products but you
  // have no rights to sell it, propose concurrent works.
  // Morever any changes to bugs or evolutions should
  // be send to JAPISOFT that needs to maintain a
  // valid version and has all rights on the product.
  
  package com.japisoft.xpath;
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class NodeSet extends FastVector {
  	public NodeSet() {
  		super();
  	}
  
  	/** Add this node */
  	public NodeSet(Object node) {
  		this();
  		addNode(node);
  	}
  
  	/** Add a new node */
  	public void addNode(Object node) {
  		if (!contains(node))
  			addElement(node);
  	}
  
  	/** For JDK1.1 compatibility */
  	public boolean add(Object node) {
  		super.addElement(node);
  		return true;
  	}
  
  	/** Mix with another NodeSet and return the current one */
  	public NodeSet union(NodeSet set) {
  		for (int i = 0; i < set.size(); i++)
  			addNode(set.get(i));
  		return this;
  	}
  
  	public String toString() {
  		StringBuffer sb = new StringBuffer( "[" );
  		for ( int i = 0; i < size(); i++ ) {
  			if ( i != 0 )
  				sb.append( "," );
  			sb.append( get( i ) );
  		}
  		sb.append( "]" );
  		return sb.toString();
  	}
  
  }
  
  // NodeSet ends here
  