Java tutorial
/* * Copyright (c) 2005-2011 Grameen Foundation USA * All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. See the License for the specific language governing * permissions and limitations under the License. * * See also http://www.apache.org/licenses/LICENSE-2.0.html for an * explanation of the license and how it is applied. */ package org.mifos.ui.core.controller; import javax.servlet.http.HttpServletRequest; import javax.validation.Valid; import org.apache.commons.lang.StringUtils; import org.mifos.accounts.fund.servicefacade.FundDto; import org.mifos.accounts.fund.servicefacade.FundServiceFacade; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.SessionAttributes; import org.springframework.web.bind.support.SessionStatus; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("/editFunds") @SessionAttributes("formBean") public class EditFundsController { private static final String REDIRECT_TO_VIEW_FUNDS = "redirect:/viewFunds.ftl"; private static final String CANCEL_PARAM = "CANCEL"; private static final String FORM_VIEW = "editFunds"; @Autowired private FundServiceFacade fundServiceFacade; protected EditFundsController() { // spring autowiring } public EditFundsController(final FundServiceFacade fundServiceFacade) { this.fundServiceFacade = fundServiceFacade; } @RequestMapping(method = RequestMethod.GET) public ModelAndView showFund(HttpServletRequest request) { ModelAndView modelAndView = new ModelAndView(FORM_VIEW); Integer code = Integer.parseInt(request.getParameter("fundId")); FundDto fundDto = fundServiceFacade.getFund(code.shortValue()); FundFormBean formBean = new FundFormBean(); formBean.setCodeValue(fundDto.getCode().getValue()); formBean.setCodeId(fundDto.getCode().getId()); formBean.setId(fundDto.getId()); formBean.setName(fundDto.getName()); formBean.setOldName(fundDto.getName()); modelAndView.addObject("formBean", formBean); modelAndView.addObject("previewView", "fundPreview"); return modelAndView; } @RequestMapping(method = RequestMethod.POST) public ModelAndView processFormSubmit(@RequestParam(value = CANCEL_PARAM, required = false) String cancel, @RequestParam(value = "PREVIEWVIEW", required = true) String previewView, @ModelAttribute("formBean") @Valid FundFormBean formBean, BindingResult result, SessionStatus status) { ModelAndView modelAndView = new ModelAndView(REDIRECT_TO_VIEW_FUNDS); if (StringUtils.isNotBlank(cancel)) { modelAndView.setViewName(REDIRECT_TO_VIEW_FUNDS); status.setComplete(); } else if (result.hasErrors()) { modelAndView.setViewName(FORM_VIEW); modelAndView.addObject("previewView", previewView); } else { modelAndView.setViewName(previewView); modelAndView.addObject("formBean", formBean); } return modelAndView; } }