com.sambrannen.samples.events.web.NewEventController.java Source code

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Here is the source code for com.sambrannen.samples.events.web.NewEventController.java

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/*
 * Copyright 2010-2014 the original author or authors.
 *
 * 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.
 */

package com.sambrannen.samples.events.web;

import static org.springframework.web.bind.annotation.RequestMethod.*;

import javax.validation.Valid;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestMapping;

import com.sambrannen.samples.events.domain.Event;
import com.sambrannen.samples.events.repository.EventRepository;

/**
 * Spring MVC controller for submitting a new {@link Event}.
 *
 * @author Sam Brannen
 * @since 1.0
 */
@Controller
@RequestMapping("/new*")
public class NewEventController {

    private static final String FORM_VIEW_NAME = "event/new";
    private static final Log log = LogFactory.getLog(NewEventController.class);

    private final EventRepository repository;

    @Autowired
    public NewEventController(EventRepository repository) {
        this.repository = repository;
    }

    @InitBinder
    public void configureBinding(WebDataBinder binder) {
        binder.setDisallowedFields("id");
    }

    @RequestMapping(method = GET)
    public String edit(Model model) {
        log.debug("Displaying event form.");
        model.addAttribute(new Event());
        return FORM_VIEW_NAME;
    }

    @RequestMapping(method = POST)
    public String submit(@Valid Event event, BindingResult bindingResult) throws Exception {
        log.debug("Submitting event form [" + event + "].");

        if (bindingResult.hasErrors()) {
            return FORM_VIEW_NAME;
        }
        // else
        repository.save(event);
        return "redirect:/";
    }

}