fi.helsinki.opintoni.web.rest.publicapi.PublicImageResource.java Source code

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Here is the source code for fi.helsinki.opintoni.web.rest.publicapi.PublicImageResource.java

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/*
 * This file is part of MystudiesMyteaching application.
 *
 * MystudiesMyteaching application is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MystudiesMyteaching application is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MystudiesMyteaching application.  If not, see <http://www.gnu.org/licenses/>.
 */

package fi.helsinki.opintoni.web.rest.publicapi;

import com.codahale.metrics.annotation.Timed;
import fi.helsinki.opintoni.service.BackgroundImageService;
import fi.helsinki.opintoni.service.UserSettingsService;
import fi.helsinki.opintoni.web.rest.AbstractResource;
import fi.helsinki.opintoni.web.rest.RestConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
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.bind.annotation.RestController;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.List;

@RestController
@RequestMapping(value = RestConstants.PUBLIC_API_V1 + "/images")
public class PublicImageResource extends AbstractResource {

    private final UserSettingsService userSettingsService;
    private final BackgroundImageService backgroundImageService;

    @Autowired
    public PublicImageResource(UserSettingsService userSettingsService,
            BackgroundImageService backgroundImageService) {
        this.userSettingsService = userSettingsService;
        this.backgroundImageService = backgroundImageService;
    }

    @RequestMapping(value = "/avatar/{oodiPersonId}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
    public ResponseEntity<BufferedImage> getUserAvatarByOodiPersonId(
            @PathVariable("oodiPersonId") String oodiPersonId) throws IOException {
        return ResponseEntity.ok().headers(headersWithContentType(MediaType.IMAGE_JPEG))
                .body(userSettingsService.getUserAvatarImageByOodiPersonId(oodiPersonId));
    }

    @RequestMapping(value = "/background/{oodiPersonId}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
    public ResponseEntity<BufferedImage> getUserBackgroundByOodiPersonId(
            @PathVariable("oodiPersonId") String oodiPersonId) throws IOException {
        return ResponseEntity.ok().headers(headersWithContentType(MediaType.IMAGE_JPEG))
                .body(userSettingsService.getUserBackgroundImage(oodiPersonId));
    }

    @RequestMapping(value = "/backgrounds/{fileName:.+}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
    public ResponseEntity<BufferedImage> serve(@PathVariable String fileName) throws IOException {
        return ResponseEntity.ok().headers(headersWithContentType(MediaType.IMAGE_JPEG))
                .body(backgroundImageService.getDefaultBackgroundImage(fileName));
    }

    @RequestMapping(value = "/backgrounds", method = RequestMethod.GET)
    @Timed
    public ResponseEntity<List<String>> getBackgrounds() throws IOException {
        return response(backgroundImageService.getBackgroundImageFiles());
    }

    private HttpHeaders headersWithContentType(MediaType contentType) {
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(contentType);
        return headers;
    }
}