ServletContextTesterServlet.java /* * Copyright (c) 1998-2005 Servertec. All Rights Reserved. * * This program 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. * * This program 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * THIS NOTICE MUST NOT BE ALTERED NOR REMOVED. * * CopyrightVersion 1.0 */ import java.util.Enumeration; import java.io.File; import java.io.IOException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletOutputStream; import javax.servlet.ServletException; import javax.servlet.ServletContext; import javax.servlet.ServletConfig; public final class ServletContextTesterServlet extends HttpServlet { public final void init(ServletConfig _config) throws ServletException { super.init(_config); ServletContext servlet_context = getServletContext(); servlet_context.setAttribute("init_key1", "init_value1"); servlet_context.setAttribute("init_key2", "init_value2"); } public final void service(HttpServletRequest _request, HttpServletResponse _response) throws ServletException, IOException { ServletContext servlet_context = getServletContext(); String key; String value; String action = _request.getParameter("action"); if(action != null) { if(action.equalsIgnoreCase("set value")) { key = _request.getParameter("key"); if(key == null) { key = ""; } value = _request.getParameter("value"); if(value == null) { value = ""; } if(key.length() > 0) { servlet_context.setAttribute(key, value); } } else if(action.equalsIgnoreCase("remove value")) { key = _request.getParameter("key"); if(key == null) { key = ""; } servlet_context.removeAttribute(key); } else if(action.equalsIgnoreCase("dump servlet context")) { String url = _response.encodeRedirectURL("./dumpservletcontext.html"); _response.sendRedirect(url); return; } } _response.setContentType("text/html"); ServletOutputStream out = _response.getOutputStream(); out.print("<html><head><title>"); out.print("Servlet Context Tester Servlet"); out.print("</title></head><body>"); out.print("<h1>Servlet Context Tester Servlet</h1>"); out.print("<hr>"); DumpServletContextServlet.dump_servlet_context(out, servlet_context); out.print("<hr>"); out.print("<form action=\""); out.print(_response.encodeURL("./servletcontexttester.html")); out.print("\" method=\"get\">"); out.print("Key: "); out.print("<input type=\"text\" name=\"key\" value=\"\">"); out.print("<br>Value: "); out.print("<input type=\"text\" name=\"value\" value=\"\">"); out.print("<p><input type=\"submit\" name = \"action\" value=\"Set Value\">"); out.print("<input type=\"submit\" name = \"action\" value=\"Remove Value\">"); out.print("<input type=\"submit\" name = \"action\" value=\"Dump Servlet Context\">"); out.print("</form></body></html>"); out.close(); } } ================================================== DumpServletContextServlet.java /* * Copyright (c) 1998-2005 Servertec. All Rights Reserved. * * This program 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. * * This program 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * THIS NOTICE MUST NOT BE ALTERED NOR REMOVED. * * CopyrightVersion 1.0 */ import java.util.Enumeration; import java.io.File; import java.io.IOException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletOutputStream; import javax.servlet.ServletException; import javax.servlet.ServletContext; import stec.iws.ServletContextImpl; public final class DumpServletContextServlet extends HttpServlet { public final void service(HttpServletRequest _request, HttpServletResponse _response) throws ServletException, IOException { ServletContext servlet_context = getServletContext().getContext("/servletcontexttester.html"); String key; String value; _response.setContentType("text/html"); ServletOutputStream out = _response.getOutputStream(); out.print("<html><head><title>"); out.print("Dump Servlet Context Servlet"); out.print("</title></head><body>"); out.print("<h1>Dump Servlet Context Servlet</h1>"); out.print("<hr>"); out.print("Servlet Name: "); out.print(((ServletContextImpl)servlet_context).getServletName()); out.print("<br>"); dump_servlet_context(out, servlet_context); out.print("<hr>"); out.print("<a href=\"./servletcontexttester.html\">Servlet Context Tester</a>"); out.print("</body></html>"); out.close(); } public final static void dump_servlet_context(ServletOutputStream _out, ServletContext _servlet_context) throws IOException { _out.print("Attributes: <br>"); Object obj; String key; String value; Enumeration e = _servlet_context.getAttributeNames(); while(e.hasMoreElements()) { key = (String)e.nextElement(); obj = _servlet_context.getAttribute(key); if(obj instanceof File) { value = ((File)obj).getCanonicalPath(); } else if(obj instanceof String) { value = (String)obj; } else { value = obj.toString(); } _out.print(key); _out.print(" = ["); _out.print(value); _out.print("]<br>"); } } }