javapage.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 103 行

/*
 * Copyright (c) 1998-2008 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 Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.jsp;

import com.caucho.vfs.PersistentDependency;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.HttpJspPage;
import java.io.IOException;
import java.util.ArrayList;

public abstract class JavaPage extends Page implements HttpJspPage
{
  public void init(ServletConfig config)
    throws ServletException
  {
    super.init(config);

    jspInit();
  }

  public void jspInit()
  {
  }

  public void service(ServletRequest request, ServletResponse response)
    throws ServletException, IOException
  {
    _jspService((HttpServletRequest) request,
                (HttpServletResponse) response);
  }

  abstract public void _jspService(HttpServletRequest request,
				   HttpServletResponse response)
    throws ServletException, IOException;

  public String getServletInfo()
  {
    return "A Java JSP page";
  }

  /**
   * Static method to avoid compilation issues.
   */
  public static void addDepend(ArrayList list, PersistentDependency depend)
  {
    ArrayList<PersistentDependency> pList;
    pList = (ArrayList<PersistentDependency>) list;

    pList.add(depend);
  }

  public void destroy()
  {
    if (isDead()) {
      return;
    }

    try {
      jspDestroy();
    } catch (Throwable e) {
    }

    super.destroy();
  }

  public void jspDestroy()
  {
  }
}