Examples with ActivitiObjectNotFoundException org.activiti.engine.ActivitiObjectNotFoundException used on opensource projects

Example 86 with ActivitiObjectNotFoundException

use of org.activiti.engine.ActivitiObjectNotFoundException in project Activiti by Activiti.

the class TaskVariableDataResource method getVariableData.

@RequestMapping(value = "/runtime/tasks/{taskId}/variables/{variableName}/data", method = RequestMethod.GET, produces = "application/json")
@ResponseBody
public byte[] getVariableData(@PathVariable("taskId") String taskId, @PathVariable("variableName") String variableName, @RequestParam(value = "scope", required = false) String scope, HttpServletRequest request, HttpServletResponse response) {
    try {
        byte[] result = null;
        RestVariable variable = getVariableFromRequest(taskId, variableName, scope, true);
        if (RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variable.getType())) {
            result = (byte[]) variable.getValue();
            response.setContentType("application/octet-stream");
        } else if (RestResponseFactory.SERIALIZABLE_VARIABLE_TYPE.equals(variable.getType())) {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutputStream outputStream = new ObjectOutputStream(buffer);
            outputStream.writeObject(variable.getValue());
            outputStream.close();
            result = buffer.toByteArray();
            response.setContentType("application/x-java-serialized-object");
        } else {
            throw new ActivitiObjectNotFoundException("The variable does not have a binary data stream.", null);
        }
        return result;
    } catch (IOException ioe) {
        // Re-throw IOException
        throw new ActivitiException("Unexpected error getting variable data", ioe);
    }
}

Example 87 with ActivitiObjectNotFoundException

use of org.activiti.engine.ActivitiObjectNotFoundException in project Activiti by Activiti.

the class TaskVariableBaseResource method getVariableFromRequest.

public RestVariable getVariableFromRequest(String taskId, String variableName, String scope, boolean includeBinary) {
    boolean variableFound = false;
    Object value = null;
    RestVariableScope variableScope = RestVariable.getScopeFromString(scope);
    if (variableScope == null) {
        // First, check local variables (which have precedence when no scope is supplied)
        if (taskService.hasVariableLocal(taskId, variableName)) {
            value = taskService.getVariableLocal(taskId, variableName);
            variableScope = RestVariableScope.LOCAL;
            variableFound = true;
        } else {
            // Revert to execution-variable when not present local on the task
            Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
            if (task.getExecutionId() != null && runtimeService.hasVariable(task.getExecutionId(), variableName)) {
                value = runtimeService.getVariable(task.getExecutionId(), variableName);
                variableScope = RestVariableScope.GLOBAL;
                variableFound = true;
            }
        }
    } else if (variableScope == RestVariableScope.GLOBAL) {
        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
        if (task.getExecutionId() != null && runtimeService.hasVariable(task.getExecutionId(), variableName)) {
            value = runtimeService.getVariable(task.getExecutionId(), variableName);
            variableFound = true;
        }
    } else if (variableScope == RestVariableScope.LOCAL) {
        if (taskService.hasVariableLocal(taskId, variableName)) {
            value = taskService.getVariableLocal(taskId, variableName);
            variableFound = true;
        }
    }
    if (!variableFound) {
        throw new ActivitiObjectNotFoundException("Task '" + taskId + "' doesn't have a variable with name: '" + variableName + "'.", VariableInstanceEntity.class);
    } else {
        return restResponseFactory.createRestVariable(variableName, value, variableScope, taskId, RestResponseFactory.VARIABLE_TASK, includeBinary);
    }
}