/* 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 javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.runtime.Execution;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
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 ExecutionResource extends ExecutionBaseResource {
@RequestMapping(value="/runtime/executions/{executionId}", method = RequestMethod.GET, produces="application/json")
public ExecutionResponse getExecution(@PathVariable String executionId, HttpServletRequest request) {
String serverRootUrl = request.getRequestURL().toString();
serverRootUrl = serverRootUrl.substring(0, serverRootUrl.indexOf("/runtime/executions/"));
return restResponseFactory.createExecutionResponse(getExecutionFromRequest(executionId), serverRootUrl);
}
@RequestMapping(value="/runtime/executions/{executionId}", method = RequestMethod.PUT, produces="application/json")
public ExecutionResponse performExecutionAction(@PathVariable String executionId, @RequestBody ExecutionActionRequest actionRequest,
HttpServletRequest request, HttpServletResponse response) {
Execution execution = getExecutionFromRequest(executionId);
if (ExecutionActionRequest.ACTION_SIGNAL.equals(actionRequest.getAction())) {
if (actionRequest.getVariables() != null) {
runtimeService.signal(execution.getId(), getVariablesToSet(actionRequest));
} else {
runtimeService.signal(execution.getId());
}
} else if(ExecutionActionRequest.ACTION_SIGNAL_EVENT_RECEIVED.equals(actionRequest.getAction())) {
if (actionRequest.getSignalName() == null) {
throw new ActivitiIllegalArgumentException("Signal name is required");
}
if (actionRequest.getVariables() != null) {
runtimeService.signalEventReceived(actionRequest.getSignalName(), execution.getId(), getVariablesToSet(actionRequest));
} else {
runtimeService.signalEventReceived(actionRequest.getSignalName(), execution.getId());
}
} else if (ExecutionActionRequest.ACTION_MESSAGE_EVENT_RECEIVED.equals(actionRequest.getAction())) {
if (actionRequest.getMessageName() == null) {
throw new ActivitiIllegalArgumentException("Message name is required");
}
if (actionRequest.getVariables() != null) {
runtimeService.messageEventReceived(actionRequest.getMessageName(), execution.getId(), getVariablesToSet(actionRequest));
} else {
runtimeService.messageEventReceived(actionRequest.getMessageName(), execution.getId());
}
} else {
throw new ActivitiIllegalArgumentException("Invalid action: '" + actionRequest.getAction() + "'.");
}
// Re-fetch the execution, could have changed due to action or even completed
execution = runtimeService.createExecutionQuery().executionId(execution.getId()).singleResult();
if (execution == null) {
// Execution is finished, return empty body to inform user
response.setStatus(HttpStatus.NO_CONTENT.value());
return null;
} else {
String serverRootUrl = request.getRequestURL().toString();
serverRootUrl = serverRootUrl.substring(0, serverRootUrl.indexOf("/runtime/executions/"));
return restResponseFactory.createExecutionResponse(execution, serverRootUrl);
}
}
}