/* 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.runtime.process;
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.runtime.ProcessInstance;
import org.activiti.engine.task.IdentityLink;
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 ProcessInstanceIdentityLinkResource extends BaseProcessInstanceResource {
@RequestMapping(value="/runtime/process-instances/{processInstanceId}/identitylinks/users/{identityId}/{type}", method = RequestMethod.GET, produces="application/json")
public RestIdentityLink getIdentityLink(@PathVariable("processInstanceId") String processInstanceId,
@PathVariable("identityId") String identityId, @PathVariable("type") String type, HttpServletRequest request) {
ProcessInstance processInstance = getProcessInstanceFromRequest(processInstanceId);
validateIdentityLinkArguments(identityId, type);
String serverRootUrl = request.getRequestURL().toString();
serverRootUrl = serverRootUrl.substring(0, serverRootUrl.indexOf("/runtime/process-instances/"));
IdentityLink link = getIdentityLink(identityId, type, processInstance.getId());
return restResponseFactory.createRestIdentityLink(link, serverRootUrl);
}
@RequestMapping(value="/runtime/process-instances/{processInstanceId}/identitylinks/users/{identityId}/{type}", method = RequestMethod.DELETE)
public void deleteIdentityLink(@PathVariable("processInstanceId") String processInstanceId,
@PathVariable("identityId") String identityId, @PathVariable("type") String type, HttpServletResponse response) {
ProcessInstance processInstance = getProcessInstanceFromRequest(processInstanceId);
validateIdentityLinkArguments(identityId, type);
getIdentityLink(identityId, type, processInstance.getId());
runtimeService.deleteUserIdentityLink(processInstance.getId(), identityId, type);
response.setStatus(HttpStatus.NO_CONTENT.value());
}
protected void validateIdentityLinkArguments(String identityId, String type) {
if (identityId == null) {
throw new ActivitiIllegalArgumentException("IdentityId is required.");
}
if (type == null) {
throw new ActivitiIllegalArgumentException("Type is required.");
}
}
protected IdentityLink getIdentityLink(String identityId, String type, String processInstanceId) {
// Perhaps it would be better to offer getting a single identity link from the API
List<IdentityLink> allLinks = runtimeService.getIdentityLinksForProcessInstance(processInstanceId);
for (IdentityLink link : allLinks) {
if (identityId.equals(link.getUserId()) && link.getType().equals(type)) {
return link;
}
}
throw new ActivitiObjectNotFoundException("Could not find the requested identity link.", IdentityLink.class);
}
}