/* * Copyright (c) 2005, John Mettraux, OpenWFE.org * All rights reserved. *  * Redistribution and use in source and binary forms, with or without  * modification, are permitted provided that the following conditions are met: *  * . Redistributions of source code must retain the above copyright notice, this *   list of conditions and the following disclaimer.   *  * . Redistributions in binary form must reproduce the above copyright notice,  *   this list of conditions and the following disclaimer in the documentation  *   and/or other materials provided with the distribution. *  * . Neither the name of the "OpenWFE" nor the names of its contributors may be *   used to endorse or promote products derived from this software without *   specific prior written permission. *  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  * POSSIBILITY OF SUCH DAMAGE. * * $Id: WebUtils.java,v 1.5 2005/05/17 16:40:14 jmettraux Exp $ *///// WebUtils.java//// jmettraux@openwfe.org//// generated with // jtmpl 1.1.00 16.08.2003 John Mettraux (jmettraux@openwfe.org)//package openwfe.org.misc;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.RequestDispatcher;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Some helper methods * * <p><font size=2>CVS Info : * <br>$Author: jmettraux $ * <br>$Id: WebUtils.java,v 1.5 2005/05/17 16:40:14 jmettraux Exp $ </font> * * @author jmettraux@openwfe.org */public abstract class WebUtils{    /*    static org.apache.log4j.Logger log = org.apache.log4j.Logger        .getLogger(WebUtils.class.getName());    */    //    // METHODS    /**     * forwards a web request to a given URL     */    public static void forward         (HttpServletRequest req, HttpServletResponse res, String url)    throws        java.io.IOException, ServletException    {        RequestDispatcher rd = req.getRequestDispatcher(url);        rd.forward(req, res);    }    /**     * Includes a file in a web page (its writer)     */    public static void include (PrintWriter out, String fileName)        //throws java.io.IOException     {        try        {            java.io.BufferedReader br =                 new java.io.BufferedReader(new java.io.FileReader(fileName));            while (true)            {                String line = br.readLine();                if (line == null) break;                out.println(line);            }            br.close();        }        catch (final Exception e)        {            final java.io.File f = new java.io.File(fileName);            out.println                ("<font color=red>Failed to include file '"+                 f.getAbsolutePath()+"'");            out.println("<br>"+e);            out.println("</font>");        }    }    /**     * Includes a URL in a web page (its writer)     */    public static void include (PrintWriter out, java.net.URL url)    {        try        {            java.io.BufferedReader br = new java.io.BufferedReader                (new java.io.InputStreamReader                    (url.openConnection().getInputStream()));            while (true)            {                String line = br.readLine();                if (line == null) break;                out.println(line);            }            br.close();        }        catch (Exception e)        {            out.println("<font color=red>Failed to include URL "+url);            out.println("<br>"+e);            out.println("</font>");        }    }}