com.asual.summer.sample.web.TechnologyController.java Source code

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Here is the source code for com.asual.summer.sample.web.TechnologyController.java

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/*
 * 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();
    }

}