/* 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.repository;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.ActivitiObjectNotFoundException;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.engine.task.IdentityLink;
import org.activiti.engine.task.IdentityLinkType;
import org.activiti.rest.service.api.RestUrls;
import org.activiti.rest.service.api.engine.RestIdentityLink;
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.RestController;
/**
* @author Frederik Heremans
*/
@RestController
public class ProcessDefinitionIdentityLinkResource extends BaseProcessDefinitionResource {
@RequestMapping(value="/repository/process-definitions/{processDefinitionId}/identitylinks/{family}/{identityId}", method = RequestMethod.GET, produces = "application/json")
public RestIdentityLink getIdentityLink(@PathVariable("processDefinitionId") String processDefinitionId, @PathVariable("family") String family,
@PathVariable("identityId") String identityId, HttpServletRequest request) {
ProcessDefinition processDefinition = getProcessDefinitionFromRequest(processDefinitionId);
validateIdentityLinkArguments(family, identityId);
// Check if identitylink to get exists
IdentityLink link = getIdentityLink(family, identityId, processDefinition.getId());
String serverRootUrl = request.getRequestURL().toString();
serverRootUrl = serverRootUrl.substring(0, serverRootUrl.indexOf("/repository/process-definitions/"));
return restResponseFactory.createRestIdentityLink(link, serverRootUrl);
}
@RequestMapping(value="/repository/process-definitions/{processDefinitionId}/identitylinks/{family}/{identityId}", method = RequestMethod.DELETE)
public void deleteIdentityLink(@PathVariable("processDefinitionId") String processDefinitionId, @PathVariable("family") String family,
@PathVariable("identityId") String identityId, HttpServletResponse response) {
ProcessDefinition processDefinition = getProcessDefinitionFromRequest(processDefinitionId);
validateIdentityLinkArguments(family, identityId);
// Check if identitylink to delete exists
IdentityLink link = getIdentityLink(family, identityId, processDefinition.getId());
if (link.getUserId() != null) {
repositoryService.deleteCandidateStarterUser(processDefinition.getId(), link.getUserId());
} else {
repositoryService.deleteCandidateStarterGroup(processDefinition.getId(), link.getGroupId());
}
response.setStatus(HttpStatus.NO_CONTENT.value());
}
protected void validateIdentityLinkArguments(String family, String identityId) {
if (family == null || (!RestUrls.SEGMENT_IDENTITYLINKS_FAMILY_GROUPS.equals(family) && !RestUrls.SEGMENT_IDENTITYLINKS_FAMILY_USERS.equals(family))) {
throw new ActivitiIllegalArgumentException("Identity link family should be 'users' or 'groups'.");
}
if (identityId == null) {
throw new ActivitiIllegalArgumentException("IdentityId is required.");
}
}
protected IdentityLink getIdentityLink(String family, String identityId, String processDefinitionId) {
boolean isUser = family.equals(RestUrls.SEGMENT_IDENTITYLINKS_FAMILY_USERS);
// Perhaps it would be better to offer getting a single identitylink from
// the API
List<IdentityLink> allLinks = repositoryService.getIdentityLinksForProcessDefinition(processDefinitionId);
for (IdentityLink link : allLinks) {
boolean rightIdentity = false;
if (isUser) {
rightIdentity = identityId.equals(link.getUserId());
} else {
rightIdentity = identityId.equals(link.getGroupId());
}
if (rightIdentity && link.getType().equals(IdentityLinkType.CANDIDATE)) {
return link;
}
}
throw new ActivitiObjectNotFoundException("Could not find the requested identity link.", IdentityLink.class);
}
}