Package com.caucho.jsp

Source Code of com.caucho.jsp.JspServlet

/*
* Copyright (c) 1998-2010 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.server.webapp.WebApp;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.jsp.JspFactory;

/**
* Handles JSP pages.  Most of the work is done in the JspManager and QServlet.
*
* @see JspManager
*/
public class JspServlet extends QServlet {
  static final String COPYRIGHT =
    "Copyright (c) 1998-2010 Caucho Technology.  All rights reserved.";

  private boolean _isXml = false;
  private boolean _loadTldOnInit = false;
  private int _pageCacheMax = 256;

  /**
   * Set true when JSP pages should default to xml.
   */
  public void setXml(boolean isXml)
  {
    _isXml = isXml;
  }

  /**
   * Set true when JSP pages should load tld files.
   */
  public void setLoadTldOnInit(boolean isPreload)
  {
    _loadTldOnInit = isPreload;
  }

  /**
   * Set true when JSP pages should default to xml.
   */
  public void setPageCacheMax(int max)
  {
    _pageCacheMax = max;
  }
 
  /**
   * Initializes the servlet.  Primarily, this sets the PageManager to the
   * correct JspManager.
   */
  public void init(ServletConfig conf)
    throws ServletException
  {
    super.init(conf);

    JspManager manager = new JspManager();

    WebApp webApp = (WebApp) getServletContext();

    manager.setXml(_isXml);
    manager.setLoadTldOnInit(_loadTldOnInit
           || webApp.createJsp().isLoadTldOnInit());
    manager.setPageCacheMax(_pageCacheMax);

    manager.initWebApp(webApp);
     
    setManager(manager);

    manager.init();

    if (JspFactory.getDefaultFactory() == null)
      JspFactory.setDefaultFactory(new QJspFactory());
  }

  /**
   * Static initialization
   */
  public static void initStatic()
  {
    if (JspFactory.getDefaultFactory() == null)
      JspFactory.setDefaultFactory(new QJspFactory());
  }

  public String getServletInfo()
  {
    return "JSP";
  }

  public String toString()
  {
    return getClass().getSimpleName() + "[" + getServletContext() + "]";
  }
}
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