Examples with BPMNConflictException org.wso2.carbon.bpmn.rest.common.exception.BPMNConflictException used on opensource projects

Example 1 with BPMNConflictException

use of org.wso2.carbon.bpmn.rest.common.exception.BPMNConflictException in project carbon-business-process by wso2.

the class ProcessInstanceService method createExecutionVariable.

protected Response createExecutionVariable(Execution execution, boolean override, int variableType, HttpServletRequest httpServletRequest) throws IOException, ServletException {
    boolean debugEnabled = log.isDebugEnabled();
    if (debugEnabled) {
        log.debug("httpServletRequest.getContentType():" + httpServletRequest.getContentType());
    }
    Response.ResponseBuilder responseBuilder = Response.ok();
    if (debugEnabled) {
        log.debug("Processing non binary variable");
    }
    List<RestVariable> inputVariables = new ArrayList<>();
    List<RestVariable> resultVariables = new ArrayList<>();
    try {
        if (Utils.isApplicationJsonRequest(httpServletRequest)) {
            ObjectMapper objectMapper = new ObjectMapper();
            @SuppressWarnings("unchecked") List<Object> variableObjects = (List<Object>) objectMapper.readValue(httpServletRequest.getInputStream(), List.class);
            for (Object restObject : variableObjects) {
                RestVariable restVariable = objectMapper.convertValue(restObject, RestVariable.class);
                inputVariables.add(restVariable);
            }
        } else if (Utils.isApplicationXmlRequest(httpServletRequest)) {
            JAXBContext jaxbContext;
            try {
                XMLInputFactory xif = XMLInputFactory.newInstance();
                xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
                xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
                XMLStreamReader xsr = xif.createXMLStreamReader(new StreamSource(httpServletRequest.getInputStream()));
                jaxbContext = JAXBContext.newInstance(RestVariableCollection.class);
                Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
                RestVariableCollection restVariableCollection = (RestVariableCollection) jaxbUnmarshaller.unmarshal(xsr);
                if (restVariableCollection == null) {
                    throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable Collection instance.");
                }
                List<RestVariable> restVariableList = restVariableCollection.getRestVariables();
                if (restVariableList.size() == 0) {
                    throw new ActivitiIllegalArgumentException("xml request body could not identify any rest " + "variables to be updated");
                }
                for (RestVariable restVariable : restVariableList) {
                    inputVariables.add(restVariable);
                }
            } catch (JAXBException | IOException e) {
                throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable instance.", e);
            }
        }
    } catch (Exception e) {
        throw new ActivitiIllegalArgumentException("Failed to serialize to a RestVariable instance", e);
    }
    if (inputVariables.size() == 0) {
        throw new ActivitiIllegalArgumentException("Request didn't contain a list of variables to create.");
    }
    RestVariable.RestVariableScope sharedScope = null;
    RestVariable.RestVariableScope varScope;
    Map<String, Object> variablesToSet = new HashMap<>();
    for (RestVariable var : inputVariables) {
        // Validate if scopes match
        varScope = var.getVariableScope();
        if (var.getName() == null) {
            throw new ActivitiIllegalArgumentException("Variable name is required");
        }
        if (varScope == null) {
            varScope = RestVariable.RestVariableScope.LOCAL;
        }
        if (sharedScope == null) {
            sharedScope = varScope;
        }
        if (varScope != sharedScope) {
            throw new ActivitiIllegalArgumentException("Only allowed to update multiple variables in the same scope.");
        }
        if (!override && hasVariableOnScope(execution, var.getName(), varScope)) {
            throw new BPMNConflictException("Variable '" + var.getName() + "' is already present on execution '" + execution.getId() + "'.");
        }
        RestResponseFactory restResponseFactory = new RestResponseFactory();
        Object actualVariableValue = restResponseFactory.getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
        resultVariables.add(restResponseFactory.createRestVariable(var.getName(), actualVariableValue, varScope, execution.getId(), variableType, false, uriInfo.getBaseUri().toString()));
    }
    if (!variablesToSet.isEmpty()) {
        RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
        if (sharedScope == RestVariable.RestVariableScope.LOCAL) {
            runtimeService.setVariablesLocal(execution.getId(), variablesToSet);
        } else {
            if (execution.getParentId() != null) {
                // Explicitly set on parent, setting non-local variables on execution itself will override local-variables if exists
                runtimeService.setVariables(execution.getParentId(), variablesToSet);
            } else {
                // Standalone task, no global variables possible
                throw new ActivitiIllegalArgumentException("Cannot set global variables on execution '" + execution.getId() + "', task is not part of process.");
            }
        }
    }
    RestVariableCollection restVariableCollection = new RestVariableCollection();
    restVariableCollection.setRestVariables(resultVariables);
    responseBuilder.entity(restVariableCollection);
    // }
    return responseBuilder.status(Response.Status.CREATED).build();
}

Example 2 with BPMNConflictException

use of org.wso2.carbon.bpmn.rest.common.exception.BPMNConflictException in project carbon-business-process by wso2.

the class WorkflowTaskService method createTaskVariable.

@POST
@Path("/{taskId}/variables")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
@Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response createTaskVariable(@PathParam("taskId") String taskId, @Context HttpServletRequest httpServletRequest) {
    Task task = getTaskFromRequest(taskId);
    List<RestVariable> inputVariables = new ArrayList<>();
    List<RestVariable> resultVariables = new ArrayList<>();
    Response.ResponseBuilder responseBuilder = Response.ok();
    try {
        if (Utils.isApplicationJsonRequest(httpServletRequest)) {
            try {
                @SuppressWarnings("unchecked") List<Object> variableObjects = (List<Object>) new ObjectMapper().readValue(httpServletRequest.getInputStream(), List.class);
                for (Object restObject : variableObjects) {
                    RestVariable restVariable = new ObjectMapper().convertValue(restObject, RestVariable.class);
                    inputVariables.add(restVariable);
                }
            } catch (IOException e) {
                throw new ActivitiIllegalArgumentException("request body could not be transformed to a RestVariable " + "instance.", e);
            }
        } else if (Utils.isApplicationXmlRequest(httpServletRequest)) {
            JAXBContext jaxbContext = null;
            try {
                jaxbContext = JAXBContext.newInstance(RestVariableCollection.class);
                Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
                RestVariableCollection restVariableCollection = (RestVariableCollection) jaxbUnmarshaller.unmarshal(getXMLReader(httpServletRequest.getInputStream()));
                if (restVariableCollection == null) {
                    throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable Collection instance.");
                }
                List<RestVariable> restVariableList = restVariableCollection.getRestVariables();
                if (restVariableList.size() == 0) {
                    throw new ActivitiIllegalArgumentException("xml request body could not identify any rest " + "variables to be updated");
                }
                for (RestVariable restVariable : restVariableList) {
                    inputVariables.add(restVariable);
                }
            } catch (JAXBException | IOException e) {
                throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable instance.", e);
            }
        }
    } catch (Exception e) {
        throw new ActivitiIllegalArgumentException("Failed to serialize to a RestVariable instance", e);
    }
    if (inputVariables.size() == 0) {
        throw new ActivitiIllegalArgumentException("Request didn't contain a list of variables to create.");
    }
    RestVariable.RestVariableScope sharedScope = null;
    RestVariable.RestVariableScope varScope = null;
    Map<String, Object> variablesToSet = new HashMap<>();
    RestResponseFactory restResponseFactory = new RestResponseFactory();
    for (RestVariable var : inputVariables) {
        // Validate if scopes match
        varScope = var.getVariableScope();
        if (var.getName() == null) {
            throw new ActivitiIllegalArgumentException("Variable name is required");
        }
        if (varScope == null) {
            varScope = RestVariable.RestVariableScope.LOCAL;
        }
        if (sharedScope == null) {
            sharedScope = varScope;
        }
        if (varScope != sharedScope) {
            throw new ActivitiIllegalArgumentException("Only allowed to update multiple variables in the same scope.");
        }
        if (hasVariableOnScope(task, var.getName(), varScope)) {
            throw new BPMNConflictException("Variable '" + var.getName() + "' is already present on task '" + task.getId() + "'.");
        }
        Object actualVariableValue = restResponseFactory.getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
        resultVariables.add(restResponseFactory.createRestVariable(var.getName(), actualVariableValue, varScope, task.getId(), RestResponseFactory.VARIABLE_TASK, false, uriInfo.getBaseUri().toString()));
    }
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    TaskService taskService = BPMNOSGIService.getTaskService();
    if (!variablesToSet.isEmpty()) {
        if (sharedScope == RestVariable.RestVariableScope.LOCAL) {
            taskService.setVariablesLocal(task.getId(), variablesToSet);
        } else {
            if (task.getExecutionId() != null) {
                // Explicitly set on execution, setting non-local variables on task will override local-variables if exists
                runtimeService.setVariables(task.getExecutionId(), variablesToSet);
            } else {
                // Standalone task, no global variables possible
                throw new ActivitiIllegalArgumentException("Cannot set global variables on task '" + task.getId() + "', task is not part of process.");
            }
        }
    }
    RestVariableCollection restVariableCollection = new RestVariableCollection();
    restVariableCollection.setRestVariables(resultVariables);
    responseBuilder.entity(restVariableCollection);
    return responseBuilder.status(Response.Status.CREATED).build();
}

Example 3 with BPMNConflictException

use of org.wso2.carbon.bpmn.rest.common.exception.BPMNConflictException in project carbon-business-process by wso2.

the class BaseProcessInstanceService method activateProcessInstance.

protected ProcessInstanceResponse activateProcessInstance(ProcessInstance processInstance, UriInfo uriInfo) {
    if (!processInstance.isSuspended()) {
        throw new BPMNConflictException("Process instance with id '" + processInstance.getId() + "' is already active.");
    }
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    runtimeService.activateProcessInstanceById(processInstance.getId());
    ProcessInstanceResponse response = new RestResponseFactory().createProcessInstanceResponse(processInstance, uriInfo.getBaseUri().toString());
    // No need to re-fetch the instance, just alter the suspended state of the result-object
    response.setSuspended(false);
    return response;
}

Example 4 with BPMNConflictException

use of org.wso2.carbon.bpmn.rest.common.exception.BPMNConflictException in project carbon-business-process by wso2.

the class BaseExecutionService method createExecutionVariable.

protected Response createExecutionVariable(Execution execution, boolean override, int variableType, HttpServletRequest httpServletRequest, UriInfo uriInfo) {
    Object result = null;
    Response.ResponseBuilder responseBuilder = Response.ok();
    List<RestVariable> inputVariables = new ArrayList<>();
    List<RestVariable> resultVariables = new ArrayList<>();
    if (Utils.isApplicationJsonRequest(httpServletRequest)) {
        try {
            ObjectMapper objectMapper = new ObjectMapper();
            @SuppressWarnings("unchecked") List<Object> variableObjects = (List<Object>) objectMapper.readValue(httpServletRequest.getInputStream(), List.class);
            for (Object restObject : variableObjects) {
                RestVariable restVariable = objectMapper.convertValue(restObject, RestVariable.class);
                inputVariables.add(restVariable);
            }
        } catch (Exception e) {
            throw new ActivitiIllegalArgumentException("Failed to serialize to a RestVariable instance", e);
        }
    } else if (Utils.isApplicationXmlRequest(httpServletRequest)) {
        JAXBContext jaxbContext = null;
        try {
            jaxbContext = JAXBContext.newInstance(RestVariableCollection.class);
            XMLInputFactory inputFactory = XMLInputFactory.newInstance();
            inputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
            inputFactory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
            XMLStreamReader xmlReader = inputFactory.createXMLStreamReader(new StreamSource(httpServletRequest.getInputStream()));
            Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            RestVariableCollection restVariableCollection = (RestVariableCollection) jaxbUnmarshaller.unmarshal(xmlReader);
            if (restVariableCollection == null) {
                throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable Collection instance.");
            }
            List<RestVariable> restVariableList = restVariableCollection.getRestVariables();
            if (restVariableList.size() == 0) {
                throw new ActivitiIllegalArgumentException("xml request body could not identify any rest " + "variables to be updated");
            }
            for (RestVariable restVariable : restVariableList) {
                inputVariables.add(restVariable);
            }
        } catch (JAXBException | IOException | XMLStreamException e) {
            throw new ActivitiIllegalArgumentException("xml request body could not be transformed to a " + "RestVariable instance.", e);
        }
    }
    if (inputVariables.size() == 0) {
        throw new ActivitiIllegalArgumentException("Request didn't contain a list of variables to create.");
    }
    RestVariable.RestVariableScope sharedScope = null;
    RestVariable.RestVariableScope varScope = null;
    Map<String, Object> variablesToSet = new HashMap<String, Object>();
    for (RestVariable var : inputVariables) {
        // Validate if scopes match
        varScope = var.getVariableScope();
        if (var.getName() == null) {
            throw new ActivitiIllegalArgumentException("Variable name is required");
        }
        if (varScope == null) {
            varScope = RestVariable.RestVariableScope.LOCAL;
        }
        if (sharedScope == null) {
            sharedScope = varScope;
        }
        if (varScope != sharedScope) {
            throw new ActivitiIllegalArgumentException("Only allowed to update multiple variables in the same scope.");
        }
        if (!override && hasVariableOnScope(execution, var.getName(), varScope)) {
            throw new BPMNConflictException("Variable '" + var.getName() + "' is already present on execution '" + execution.getId() + "'.");
        }
        Object actualVariableValue = new RestResponseFactory().getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
        resultVariables.add(new RestResponseFactory().createRestVariable(var.getName(), actualVariableValue, varScope, execution.getId(), variableType, false, uriInfo.getBaseUri().toString()));
    }
    if (!variablesToSet.isEmpty()) {
        RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
        if (sharedScope == RestVariable.RestVariableScope.LOCAL) {
            runtimeService.setVariablesLocal(execution.getId(), variablesToSet);
        } else {
            if (execution.getParentId() != null) {
                // Explicitly set on parent, setting non-local variables on execution itself will override local-variables if exists
                runtimeService.setVariables(execution.getParentId(), variablesToSet);
            } else {
                // Standalone task, no global variables possible
                throw new ActivitiIllegalArgumentException("Cannot set global variables on execution '" + execution.getId() + "', task is not part of process.");
            }
        }
    }
    RestVariableCollection restVariableCollection = new RestVariableCollection();
    restVariableCollection.setRestVariables(resultVariables);
    responseBuilder.entity(restVariableCollection);
    return responseBuilder.status(Response.Status.CREATED).build();
}

Example 5 with BPMNConflictException

use of org.wso2.carbon.bpmn.rest.common.exception.BPMNConflictException in project carbon-business-process by wso2.

the class BaseProcessInstanceService method suspendProcessInstance.

protected ProcessInstanceResponse suspendProcessInstance(ProcessInstance processInstance, RestResponseFactory restResponseFactory, UriInfo uriInfo) {
    if (processInstance.isSuspended()) {
        throw new BPMNConflictException("Process instance with id '" + processInstance.getId() + "' is already suspended.");
    }
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    runtimeService.suspendProcessInstanceById(processInstance.getId());
    ProcessInstanceResponse response = restResponseFactory.createProcessInstanceResponse(processInstance, uriInfo.getBaseUri().toString());
    // No need to re-fetch the instance, just alter the suspended state of the result-object
    response.setSuspended(true);
    return response;
}