/*
* Copyright (c) 1998-2003 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 Sam
*/
package com.caucho.doc;
import com.caucho.server.webapp.WebApp;
import com.caucho.server.webapp.WebAppController;
import com.caucho.util.L10N;
import com.caucho.util.URLUtil;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* Find a local javadoc and use it, or present option to use javadoc from
* Caucho website.
*/
public class JavadocRedirectServlet extends HttpServlet {
static protected final Logger log =
Logger.getLogger(JavadocRedirectServlet.class.getName());
static final L10N L = new L10N(JavadocRedirectServlet.class);
public void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String query = request.getParameter("query");
if (query == null || query.length() == 0)
query = request.getPathInfo();
if (query == null)
query = "";
query = URLUtil.encodeURL(query);
// see if the resin-javadoc web-app is available
WebApp app = (WebApp) getServletContext();
WebApp japp = null;
for (WebAppController appController : app.getParent().getWebAppList()) {
String contextPath = appController.getContextPath();
if (contextPath.startsWith("/resin-javadoc")) {
japp = appController.getWebApp();
break;
}
}
if (japp != null) {
String href = japp.getContextPath() + "?query=" + query;
if (log.isLoggable(Level.FINER))
log.finer(L.l("javadoc redirect to {0}",href));
response.sendRedirect(response.encodeRedirectURL(href));
}
else {
if (log.isLoggable(Level.FINER))
log.finer(L.l("javadoc no local javadoc"));
String href = "http://www.caucho.com/resin-javadoc/?query=" + query;
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>Resin® Javadoc Not Found</title></head>");
out.println("<body>");
out.println("<h1 style='background: #ccddff'>Resin® Javadoc Not Found</h1>");
out.println("A local copy of the Resin javadoc could not be found.");
out.println("<ul>");
out.println("<li><a href='" + href + "'>use Caucho website</a>");
out.println("</ul>");
out.println("</body>");
out.println("</html>");
out.close();
}
}
}