Package com.asual.summer.sample.web

Source Code of com.asual.summer.sample.web.TechnologyController

/*
* 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.asual.summer.sample.web;

import java.io.IOException;
import java.util.Arrays;

import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
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 org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;

import com.asual.summer.core.ResponseViews;
import com.asual.summer.core.ViewNotFoundException;
import com.asual.summer.core.view.AbstractResponseView;
import com.asual.summer.json.JsonView;
import com.asual.summer.sample.domain.License;
import com.asual.summer.sample.domain.Status;
import com.asual.summer.sample.domain.Technology;
import com.asual.summer.sample.domain.Technology.Image;
import com.asual.summer.xml.XmlView;

/**
*
* @author Rostislav Hristov
*
*/
@Controller
@RequestMapping("/technology")
public class TechnologyController {
 
  @RequestMapping(method=RequestMethod.GET)
  @ResponseViews(AbstractResponseView.class)
  public ModelAndView list() {
    return new ModelAndView("/list", new ModelMap(Technology.list()));
  }
 
  @RequestMapping(method=RequestMethod.POST)
  public ModelAndView persist(@Valid @ModelAttribute Technology technology) {
    technology.merge();
    return new ModelAndView(new RedirectView("/technology/" + technology.getValue(), true));
  }
 
  @RequestMapping(value="/{value}", method=RequestMethod.GET)
  @ResponseViews({JsonView.class, XmlView.class})
  public ModelAndView view(@PathVariable("value") String value) {
    Technology technology = Technology.find(value);
    if (technology == null) {
      throw new ViewNotFoundException();
    }
    return new ModelAndView("/view", new ModelMap(technology));
  }
 
  @RequestMapping(value="/{value}", method=RequestMethod.PUT)
  public ModelAndView merge(@Valid @ModelAttribute Technology technology) {
    technology.merge();
    return new ModelAndView(new RedirectView("/technology/" + technology.getValue(), true));
  }
 
  @RequestMapping(value="/{value}", method=RequestMethod.DELETE)
  public ModelAndView remove(@PathVariable("value") String value) {
    Technology technology = Technology.find(value);
    if (technology != null) {
      technology.remove();
    }
    return new ModelAndView(new RedirectView("/technology", true));
  }
 
  @RequestMapping("/add")
  public ModelAndView add() {
    ModelMap model = new ModelMap();
    model.addAllAttributes(Arrays.asList(new Technology(), License.list(), Status.list()));
    return new ModelAndView("/add", model);
  }
 
  @RequestMapping("/{value}/edit")
  public ModelAndView edit(@PathVariable("value") String value) {
    Technology technology = Technology.find(value);
    if (technology == null) {
      throw new ViewNotFoundException();
    }
    ModelMap model = new ModelMap();
    model.addAllAttributes(Arrays.asList(technology, License.list(), Status.list()));
    return new ModelAndView("/edit", model);
  }
 
  @RequestMapping("/image/{value}")
  public void image(@PathVariable("value") String value, HttpServletResponse response) throws IOException {
    Image image = Technology.findImage(value);
    if (image != null) {
      response.setContentLength(image.getBytes().length);
      response.setContentType(image.getContentType());
      response.getOutputStream().write(image.getBytes());
    } else {
      response.setStatus(HttpServletResponse.SC_NOT_FOUND);
    }
    response.getOutputStream().flush();
    response.getOutputStream().close();
  }
 
}
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