/* 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 org.activiti.rest.service.api.identity;
import java.io.ByteArrayOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.ActivitiObjectNotFoundException;
import org.activiti.engine.identity.Picture;
import org.activiti.engine.identity.User;
import org.apache.commons.io.IOUtils;
import org.springframework.http.HttpStatus;
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.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
/**
* @author Frederik Heremans
*/
@RestController
public class UserPictureResource extends BaseUserResource {
@RequestMapping(value="/identity/users/{userId}/picture", method = RequestMethod.GET, produces = "application/json")
public @ResponseBody byte[] getUserPicture(@PathVariable String userId, HttpServletRequest request, HttpServletResponse response) {
User user = getUserFromRequest(userId);
Picture userPicture = identityService.getUserPicture(user.getId());
if (userPicture == null) {
throw new ActivitiObjectNotFoundException("The user with id '" + user.getId() + "' does not have a picture.", Picture.class);
}
String mediaType = "image/jpeg";
if (userPicture.getMimeType() != null) {
mediaType = userPicture.getMimeType();
}
response.setContentType(mediaType);
try {
return IOUtils.toByteArray(userPicture.getInputStream());
} catch (Exception e) {
throw new ActivitiException("Error exporting picture: " + e.getMessage(), e);
}
}
@RequestMapping(value="/identity/users/{userId}/picture", method = RequestMethod.PUT)
public void updateUserPicture(@PathVariable String userId, HttpServletRequest request, HttpServletResponse response) {
User user = getUserFromRequest(userId);
if (request instanceof MultipartHttpServletRequest == false) {
throw new ActivitiIllegalArgumentException("Multipart request is required");
}
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
if (multipartRequest.getFileMap().size() == 0) {
throw new ActivitiIllegalArgumentException("Multipart request with file content is required");
}
MultipartFile file = multipartRequest.getFileMap().values().iterator().next();
try {
String mimeType = file.getContentType();
int size = ((Long) file.getSize()).intValue();
// Copy file-body in a bytearray as the engine requires this
ByteArrayOutputStream bytesOutput = new ByteArrayOutputStream(size);
IOUtils.copy(file.getInputStream(), bytesOutput);
Picture newPicture = new Picture(bytesOutput.toByteArray(), mimeType);
identityService.setUserPicture(user.getId(), newPicture);
response.setStatus(HttpStatus.NO_CONTENT.value());
} catch (Exception e) {
throw new ActivitiException("Error while reading uploaded file: " + e.getMessage(), e);
}
}
}