com.springinpractice.ch11.web.controller.application.ApplicationPackageController.java Source code

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Here is the source code for com.springinpractice.ch11.web.controller.application.ApplicationPackageController.java

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/* 
 * Copyright 2011-2013 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.springinpractice.ch11.web.controller.application;

import javax.inject.Inject;
import javax.validation.Valid;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.propertyeditors.StringTrimmerEditor;
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.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.springinpractice.ch11.model.Application;
import com.springinpractice.ch11.model.Module;
import com.springinpractice.ch11.model.Package;
import com.springinpractice.ch11.service.ApplicationService;
import com.springinpractice.ch11.service.ModuleService;
import com.springinpractice.ch11.service.PackageService;
import com.springinpractice.ch11.web.controller.AbstractController;
import com.springinpractice.ch11.web.controller.AbstractCrudController;

/**
 * @author Willie Wheeler (willie.wheeler@gmail.com)
 */
@Controller
@RequestMapping("/applications")
public class ApplicationPackageController extends AbstractController {
    private static final Logger log = LoggerFactory.getLogger(ApplicationPackageController.class);

    @Inject
    private ApplicationService applicationService;
    @Inject
    private ModuleService moduleService;
    @Inject
    private PackageService packageService;

    /**
     * @param binder
     */
    @InitBinder
    public void initBinder(WebDataBinder binder) {
        binder.registerCustomEditor(String.class, new StringTrimmerEditor(true));
        binder.setAllowedFields("version");
    }

    /**
     * @param id
     * @param model
     * @return
     */
    @RequestMapping(value = "/{applicationId}/modules/{moduleId}/packages/new", method = RequestMethod.GET)
    public String newPackage(@PathVariable Long applicationId, @PathVariable Long moduleId, Model model) {
        Application app = applicationService.findOne(applicationId);
        Module module = moduleService.findOne(moduleId);
        model.addAttribute(AbstractCrudController.MK_FORM_DATA, new Package());
        return prepareCreateForm(app, module, model);
    }

    @RequestMapping(value = "/{applicationId}/modules/{moduleId}/packages", method = RequestMethod.POST)
    public String createPackage(@PathVariable Long applicationId, @PathVariable Long moduleId,
            @ModelAttribute(AbstractCrudController.MK_FORM_DATA) @Valid Package pkg, BindingResult result,
            Model model) {

        log.debug("Creating package: {}", pkg);

        Application app = applicationService.findOne(applicationId);
        Module module = moduleService.findOne(moduleId);
        pkg.setModule(module);

        packageService.create(pkg, result);

        if (result.hasErrors()) {
            log.debug("Invalid package: {}", pkg);
            return prepareCreateForm(app, module, model);
        }

        log.debug("Created package: {}", pkg);
        return "redirect:/applications/" + applicationId + "/modules/" + module.getId();
    }

    private String prepareCreateForm(Application app, Module module, Model model) {
        model.addAttribute(app);
        model.addAttribute(module);
        model.addAttribute(AbstractCrudController.MK_FORM_METHOD, "post");
        return addNavigation(model, "createApplicationPackageForm");
    }
}