sample.contact.web.AddDeleteContactController.java Source code

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Here is the source code for sample.contact.web.AddDeleteContactController.java

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/*
 * Copyright 2002-2016 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 sample.contact.web;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.validation.Validator;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
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.servlet.ModelAndView;
import sample.contact.model.Contact;
import sample.contact.service.ContactService;
import sample.contact.web.model.WebContact;
import sample.contact.web.validator.WebContactValidator;

/**
 * @author Luke Taylor
 * @since 3.0
 */
@Controller
public class AddDeleteContactController {
    @Autowired
    private ContactService contactService;
    private final Validator validator = new WebContactValidator();

    /**
     * Displays the "add contact" form.
     */
    @RequestMapping(value = "/secure/add.htm", method = RequestMethod.GET)
    public ModelAndView addContactDisplay() {
        return new ModelAndView("add", "webContact", new WebContact());
    }

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        System.out.println("A binder for object: " + binder.getObjectName());
    }

    /**
     * Handles the submission of the contact form, creating a new instance if the username
     * and email are valid.
     */
    @RequestMapping(value = "/secure/add.htm", method = RequestMethod.POST)
    public String addContact(WebContact form, BindingResult result) {
        validator.validate(form, result);

        if (result.hasErrors()) {
            return "add";
        }

        Contact contact = new Contact(form.getName(), form.getEmail());
        contactService.create(contact);

        return "redirect:/secure/index.htm";
    }

    @RequestMapping(value = "/secure/del.htm", method = RequestMethod.GET)
    public ModelAndView handleRequest(@RequestParam("contactId") int contactId) {
        Contact contact = contactService.getById(Long.valueOf(contactId));
        contactService.delete(contact);

        return new ModelAndView("deleted", "contact", contact);
    }
}