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WorkflowObject.java
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WorkflowObject.java
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/*
* (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
*
* 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.
*
* Contributors:
* <a href="mailto:grenard@nuxeo.com">Guillaume Renard</a>
*
*/
package org.nuxeo.ecm.restapi.server.jaxrs.routing;
import java.util.List;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.IdRef;
import org.nuxeo.ecm.core.api.NuxeoException;
import org.nuxeo.ecm.core.api.NuxeoPrincipal;
import org.nuxeo.ecm.platform.routing.api.DocumentRoute;
import org.nuxeo.ecm.platform.routing.api.DocumentRoutingService;
import org.nuxeo.ecm.platform.routing.core.api.DocumentRoutingEngineService;
import org.nuxeo.ecm.platform.routing.core.impl.jsongraph.JsonGraphRoute;
import org.nuxeo.ecm.platform.routing.core.io.WorkflowRequest;
import org.nuxeo.ecm.webengine.model.WebObject;
import org.nuxeo.ecm.webengine.model.exceptions.WebSecurityException;
import org.nuxeo.ecm.webengine.model.impl.DefaultObject;
import org.nuxeo.runtime.api.Framework;
/**
* @since 7.2
*/
@WebObject(type = "workflow")
@Produces(MediaType.APPLICATION_JSON)
public class WorkflowObject extends DefaultObject {
private static Log log = LogFactory.getLog(WorkflowObject.class);
private DocumentRoutingService documentRoutingService;
@Override
protected void initialize(Object... args) {
documentRoutingService = Framework.getService(DocumentRoutingService.class);
}
@POST
public Response createWorkflowInstance(WorkflowRequest workflowRequest) {
final String workflowInstanceId = documentRoutingService.createNewInstance(
workflowRequest.getWorkflowModelName(), workflowRequest.getAttachedDocumentIds(),
workflowRequest.getVariables(), ctx.getCoreSession(), true);
DocumentModel workflowInstance = getContext().getCoreSession().getDocument(new IdRef(workflowInstanceId));
DocumentRoute route = workflowInstance.getAdapter(DocumentRoute.class);
return Response.ok(route).status(Status.CREATED).build();
}
@GET
@Path("{workflowInstanceId}")
public DocumentRoute getWorkflowInstance(@PathParam("workflowInstanceId") String workflowInstanceId) {
DocumentModel workflowInstance;
try {
workflowInstance = getContext().getCoreSession().getDocument(new IdRef(workflowInstanceId));
return workflowInstance.getAdapter(DocumentRoute.class);
} catch (NuxeoException e) {
e.addInfo("Can not get workflow instance with id: " + workflowInstanceId);
throw e;
}
}
@GET
@Path("{workflowInstanceId}/graph")
public JsonGraphRoute getWorkflowGraph(@PathParam("workflowInstanceId") String workflowInstanceId) {
try {
return new JsonGraphRoute(getContext().getCoreSession(), workflowInstanceId, getContext().getLocale());
} catch (NuxeoException e) {
e.addInfo("Can not get workflow instance graph with id: " + workflowInstanceId);
throw e;
}
}
@DELETE
@Path("{workflowInstanceId}")
public Response cancelWorkflowInstance(@PathParam("workflowInstanceId") String workflowInstanceId) {
DocumentModel workflowInstance;
DocumentRoute route;
try {
workflowInstance = getContext().getCoreSession().getDocument(new IdRef(workflowInstanceId));
route = workflowInstance.getAdapter(DocumentRoute.class);
checkCancelGuards(route);
} catch (NuxeoException e) {
e.addInfo("Can not get workflow instance with id: " + workflowInstanceId);
throw e;
}
Framework.getService(DocumentRoutingEngineService.class).cancel(route, getContext().getCoreSession());
return Response.ok().status(Status.NO_CONTENT).build();
}
protected void checkCancelGuards(DocumentRoute route) {
NuxeoPrincipal currentUser = (NuxeoPrincipal) getContext().getCoreSession().getPrincipal();
if (currentUser.isAdministrator() || currentUser.isMemberOf("powerusers")) {
return;
}
if (currentUser.getName().equals(route.getInitiator())) {
return;
}
throw new WebSecurityException("You don't have the permission to cancel this workflow");
}
@GET
public List<DocumentRoute> getRunningWorkflowInstancesLaunchedByCurrentUser(
@QueryParam("workflowModelName") String worflowModelName) {
return documentRoutingService.getRunningWorkflowInstancesLaunchedByCurrentUser(getContext().getCoreSession(),
worflowModelName);
}
}