httpsessionecmawrap.java

RESIN 3.2 最新源码

/*
 * Copyright (c) 1998-1999 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source 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 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 *
 * $Id: HttpSessionEcmaWrap.java,v 1.2 2004/09/29 00:13:10 cvs Exp $
 */

package com.caucho.eswrap.javax.servlet.http;

import javax.servlet.http.HttpSession;
import java.util.Iterator;

public class HttpSessionEcmaWrap {
  static class KeyIterator implements Iterator {
    String []array;
    int i;

    public boolean hasNext() { return i < array.length; }
    public Object next() { return i < array.length ? array[i++] : null; }
    public void remove() { throw new UnsupportedOperationException(); }

    KeyIterator(String []array)
    {
      this.array = array;
    }
  }

  public static void setValue(HttpSession session, String name, Object value)
  {
    session.putValue(name, value);
  }

  public static Iterator getValueKeys(HttpSession session)
  {
    String []names = session.getValueNames();

    if (names == null)
      return null;

    return new KeyIterator(names);
  }
}