+++ /dev/null
-/*
- * Copyright (C) 2001, 2002 The Mir-coders group
- *
- * This file is part of Mir.
- *
- * Mir 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.
- *
- * Mir 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 Mir; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with any library licensed under the Apache Software License,
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
- * (or with modified versions of the above that use the same license as the above),
- * and distribute linked combinations including the two. You must obey the
- * GNU General Public License in all respects for all of the code used other than
- * the above mentioned libraries. If you modify this file, you may extend this
- * exception to your version of the file, but you are not obligated to do so.
- * If you do not wish to do so, delete this exception statement from your version.
- */
-package mir.servlet;
-
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import mir.log.LoggerWrapper;
-
-
-/**
- * Dispatcher, calls the method passed to ServletModule Class, through the "do"
- * Parameter (via POST or GET)
- *
- * @version $Id: ServletModuleDispatch.java,v 1.16 2003/09/03 18:29:03 zapata Exp $
- *
- * @Author rk
- *
- */
-public final class ServletModuleDispatch {
-
- private static LoggerWrapper logger = new LoggerWrapper("ServletModule.Dispatch");
- private static final Class[] SIGNATURE = { HttpServletRequest.class, HttpServletResponse.class };
-
- /**
- * private parameter-less constructor to prevent unwanted instantiation
- */
-
- private ServletModuleDispatch () {
- }
-
- /**
- * Method to dispatch servletmodule requests.
- *
- * @param aServletModule
- * @param aRequest
- * @param aResponse
- * @throws ServletModuleExc
- * @throws ServletModuleUserExc
- * @throws ServletModuleFailure
- */
-
- public static void dispatch(ServletModule aServletModule, HttpServletRequest aRequest,
- HttpServletResponse aResponse) throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure
- {
- String doParam = aRequest.getParameter("do");
- logger.info("ServletModuleDispatch: " + aServletModule.toString() + " with method " + doParam);
- if (doParam == null) {
- if (aServletModule.defaultAction() != null)
- doParam = aServletModule.defaultAction();
- else
- throw new ServletModuleExc("no parameter do supplied!");
- }
-
- try {
- Method method = aServletModule.getClass().getMethod(doParam,SIGNATURE);
- if (method != null) {
- method.invoke(aServletModule,new Object[] {aRequest,aResponse} );
- return;
- }
- else logger.debug("method lookup unsuccesful");
- }
- catch ( InvocationTargetException e) {
- logger.error( "invocation target exception: " + e.toString());
- e.getTargetException().printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
-
- throw new ServletModuleFailure(e.getTargetException().getMessage(), e.getTargetException());
- }
- catch (Throwable t) {
- logger.error( "ServletModuleDispatch: " + t.toString());
- throw new ServletModuleFailure(t);
- }
- }
-}