use of org.wso2.carbon.humantask.core.dao.TaskDAO in project carbon-business-process by wso2.
the class CommonTaskUtil method getRendering.
/**
* Returns rendering elements for given rendering type.
*
* @param task : TaskDAO
* @param taskConfiguration : HumanTask base configuration
* @param renderingType : QName of the rendering type.
* @return
*/
public static String getRendering(TaskDAO task, HumanTaskBaseConfiguration taskConfiguration, QName renderingType) {
String htdPrefix = taskConfiguration.getNamespaceContext().getPrefix(HumanTaskConstants.HTD_NAMESPACE) + ":";
EvaluationContext evalCtx = new ExpressionEvaluationContext(task, taskConfiguration);
if (renderingType != null) {
String expressionLanguage = taskConfiguration.getExpressionLanguage();
ExpressionLanguageRuntime expLangRuntime = HumanTaskServiceComponent.getHumanTaskServer().getTaskEngine().getExpressionLanguageRuntime(expressionLanguage);
TRendering rendering = taskConfiguration.getRendering(renderingType);
if (rendering != null) {
// Replace Presentation params with values.
// Do not trim, to avoid malformed html. Renderings elements can contains html elements.
String processedString = replaceUsingPresentationParams(task.getPresentationParameters(), rendering.xmlText());
// Evaluating xpaths with $ $ marks..
try {
if (processedString.contains("$htd")) {
String[] split = processedString.split("\\$");
if (split != null && split.length > 0) {
StringBuilder sm = new StringBuilder();
// Assume xpath replaced initially, to avoid adding $ to start of the xml.
// TODO : Improve this logic.
boolean xpathReplaced = true;
for (String s : split) {
if (s.startsWith(htdPrefix)) {
String value = expLangRuntime.evaluateAsString(s, evalCtx);
sm.append(value);
xpathReplaced = true;
} else {
if (xpathReplaced == true) {
// xpath replaced.
sm.append(s);
} else {
// This is not a xpath. Adding $ and split content back.
sm.append("$").append(s);
}
xpathReplaced = false;
}
}
processedString = sm.toString();
}
}
} catch (Exception ex) {
log.error("Error while evaluating rendering xpath. Please review xpath and deploy " + task.getDefinitionName() + "task again.", ex);
}
return processedString;
} else {
if (log.isDebugEnabled()) {
log.debug("Rendering type " + renderingType + " Not found for task definition " + taskConfiguration.getName());
}
}
}
return "";
}
use of org.wso2.carbon.humantask.core.dao.TaskDAO in project carbon-business-process by wso2.
the class JobProcessorImpl method executeDeadline.
private void executeDeadline(long taskId, String name) throws HumanTaskException {
// TODO what if two deadlines fired at the same time???
// TODO do the needful for deadlines. i.e create notifications and re-assign
log.info("ON DEADLINE: " + " : now: " + new Date());
TaskDAO task = HumanTaskServiceComponent.getHumanTaskServer().getDaoConnectionFactory().getConnection().getTask(taskId);
// Setting the tenant id and tenant domain
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(task.getTenantId());
String tenantDomain = null;
try {
tenantDomain = HumanTaskServiceComponent.getRealmService().getTenantManager().getDomain(task.getTenantId());
} catch (UserStoreException e) {
log.error(" Cannot find the tenant domain " + e.toString());
}
if (tenantDomain == null) {
tenantDomain = MultitenantConstants.SUPER_TENANT_DOMAIN_NAME;
}
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tenantDomain);
TaskConfiguration taskConf = (TaskConfiguration) HumanTaskServiceComponent.getHumanTaskServer().getTaskStoreManager().getHumanTaskStore(task.getTenantId()).getTaskConfiguration(QName.valueOf(task.getName()));
TDeadline deadline = taskConf.getDeadline(name);
EvaluationContext evalCtx = new ExpressionEvaluationContext(task, taskConf);
List<TEscalation> validEscalations = new ArrayList<TEscalation>();
boolean reassingnmentAdded = false;
for (TEscalation escalation : deadline.getEscalationArray()) {
if (!escalation.isSetCondition()) {
// We only need the first Re-assignment and we ignore all other re-assignments
if (escalation.isSetReassignment() && !reassingnmentAdded) {
reassingnmentAdded = true;
} else if (escalation.isSetReassignment()) {
continue;
}
validEscalations.add(escalation);
continue;
}
if (evaluateCondition(escalation.getCondition().newCursor().getTextValue(), escalation.getCondition().getExpressionLanguage() == null ? taskConf.getExpressionLanguage() : escalation.getCondition().getExpressionLanguage(), evalCtx)) {
if (escalation.isSetReassignment() && !reassingnmentAdded) {
reassingnmentAdded = true;
} else if (escalation.isSetReassignment()) {
continue;
}
validEscalations.add(escalation);
}
}
// We may do this in the above for loop as well
for (TEscalation escalation : validEscalations) {
if (log.isDebugEnabled()) {
log.debug("Escalation: " + escalation.getName());
}
if (escalation.isSetLocalNotification() || escalation.isSetNotification()) {
QName qName;
if (escalation.isSetLocalNotification()) {
qName = escalation.getLocalNotification().getReference();
} else {
qName = new QName(taskConf.getName().getNamespaceURI(), escalation.getNotification().getName());
}
HumanTaskBaseConfiguration notificationConfiguration = HumanTaskServiceComponent.getHumanTaskServer().getTaskStoreManager().getHumanTaskStore(task.getTenantId()).getActiveTaskConfiguration(qName);
if (notificationConfiguration == null) {
log.error("Fatal Error, notification definition not found for name " + qName.toString());
return;
}
TaskCreationContext taskContext = new TaskCreationContext();
taskContext.setTaskConfiguration(notificationConfiguration);
taskContext.setTenantId(task.getTenantId());
taskContext.setPeopleQueryEvaluator(HumanTaskServiceComponent.getHumanTaskServer().getTaskEngine().getPeopleQueryEvaluator());
Map<String, Element> tempBodyParts = new HashMap<String, Element>();
Map<String, Element> tempHeaderParts = new HashMap<String, Element>();
QName tempName = null;
TToParts toParts = escalation.getToParts();
if (toParts == null) {
// get the input message of the task
MessageDAO msg = task.getInputMessage();
tempName = msg.getName();
for (Map.Entry<String, Element> partEntry : msg.getBodyParts().entrySet()) {
tempBodyParts.put(partEntry.getKey(), partEntry.getValue());
}
for (Map.Entry<String, Element> partEntry : msg.getHeaderParts().entrySet()) {
tempHeaderParts.put(partEntry.getKey(), partEntry.getValue());
}
taskContext.setMessageBodyParts(tempBodyParts);
taskContext.setMessageHeaderParts(tempHeaderParts);
taskContext.setMessageName(tempName);
} else {
for (TToPart toPart : toParts.getToPartArray()) {
if (!notificationConfiguration.isValidPart(toPart.getName())) {
// This validation should be done at the deployment time
String errMsg = "The part: " + toPart.getName() + " is not available" + " in the corresponding WSDL message";
log.error(errMsg);
throw new RuntimeException(errMsg);
}
String expLang = toPart.getExpressionLanguage() == null ? taskConf.getExpressionLanguage() : toPart.getExpressionLanguage();
Node nodePart = HumanTaskServerHolder.getInstance().getHtServer().getTaskEngine().getExpressionLanguageRuntime(expLang).evaluateAsPart(toPart.newCursor().getTextValue(), toPart.getName(), evalCtx);
tempBodyParts.put(toPart.getName(), (Element) nodePart);
}
}
taskContext.setMessageBodyParts(tempBodyParts);
taskContext.setMessageHeaderParts(tempHeaderParts);
taskContext.setMessageName(tempName);
HumanTaskServerHolder.getInstance().getHtServer().getTaskEngine().getDaoConnectionFactory().getConnection().createTask(taskContext);
} else {
// if re-assignment
if (escalation.getReassignment().getPotentialOwners().isSetFrom()) {
escalation.getReassignment().getPotentialOwners().getFrom().getArgumentArray();
String roleName = null;
for (TArgument argument : escalation.getReassignment().getPotentialOwners().getFrom().getArgumentArray()) {
if ("role".equals(argument.getName())) {
roleName = argument.newCursor().getTextValue().trim();
}
}
if (roleName == null) {
String errMsg = "Value for argument name 'role' is expected.";
log.error(errMsg);
throw new Scheduler.JobProcessorException(errMsg);
}
if (!isExistingRole(roleName, task.getTenantId())) {
log.warn("Role name " + roleName + " does not exist for tenant id" + task.getTenantId());
}
List<OrganizationalEntityDAO> orgEntities = new ArrayList<OrganizationalEntityDAO>();
OrganizationalEntityDAO orgEntity = HumanTaskServiceComponent.getHumanTaskServer().getDaoConnectionFactory().getConnection().createNewOrgEntityObject(roleName, OrganizationalEntityDAO.OrganizationalEntityType.GROUP);
orgEntities.add(orgEntity);
task.replaceOrgEntitiesForLogicalPeopleGroup(GenericHumanRoleDAO.GenericHumanRoleType.POTENTIAL_OWNERS, orgEntities);
} else {
String errMsg = "From element is expected inside the assignment";
log.error(errMsg);
throw new Scheduler.JobProcessorException(errMsg);
}
}
}
}
use of org.wso2.carbon.humantask.core.dao.TaskDAO in project carbon-business-process by wso2.
the class OperationAuthorizationUtil method isExcludedEntity.
private static boolean isExcludedEntity(TaskDAO task, OrganizationalEntityDAO validatee, PeopleQueryEvaluator pqe) {
GenericHumanRoleDAO excludedOwners = task.getGenericHumanRole(GenericHumanRoleDAO.GenericHumanRoleType.EXCLUDED_OWNERS);
if (excludedOwners != null) {
for (OrganizationalEntityDAO entityForRole : getGroupOrganizationalEntities(excludedOwners)) {
if (OrganizationalEntityDAO.OrganizationalEntityType.GROUP.equals(entityForRole.getOrgEntityType())) {
String roleName = entityForRole.getName();
List<String> userListForRole = pqe.getUserNameListForRole(roleName);
if (userListForRole.contains(validatee.getName())) {
log.error("User " + validatee.getName() + " is in EXCLUDED_OWNERS role");
return true;
}
}
}
List<OrganizationalEntityDAO> orgEntities = getUserOrganizationalEntities(excludedOwners);
Collections.sort(orgEntities, PeopleQueryComparators.peopleNameComparator());
if (Collections.binarySearch(orgEntities, validatee, PeopleQueryComparators.peopleNameComparator()) >= 0) {
log.error("User " + validatee.getName() + " is in EXCLUDED_OWNERS role");
return true;
}
}
return false;
}
use of org.wso2.carbon.humantask.core.dao.TaskDAO in project carbon-business-process by wso2.
the class OperationAuthorizationUtil method authoriseUser.
/**
* @param task : The task against which the user being validated.
* @param validatee : The OrganizationalEntityDAO being validated.
* @param allowedRoleTypes : The allowed role types for the validatee object.
* @param pqe : PeopleQueryEvaluator for people queries.
* @return : true if the user is in the specified roles for the given task. false otherwise.
*/
public static boolean authoriseUser(TaskDAO task, OrganizationalEntityDAO validatee, List<GenericHumanRoleDAO.GenericHumanRoleType> allowedRoleTypes, PeopleQueryEvaluator pqe) {
List<GenericHumanRoleDAO> humanRolesInTask = task.getHumanRoles();
if (isExcludedEntity(task, validatee, pqe)) {
return false;
}
for (GenericHumanRoleDAO role : humanRolesInTask) {
if (allowedRoleTypes.contains(role.getType())) {
// check for groups
for (OrganizationalEntityDAO entityForRole : getGroupOrganizationalEntities(role)) {
if (OrganizationalEntityDAO.OrganizationalEntityType.GROUP.equals(entityForRole.getOrgEntityType())) {
String roleName = entityForRole.getName();
List<String> userListForRole = pqe.getUserNameListForRole(roleName);
if (userListForRole.contains(validatee.getName())) {
return true;
}
}
}
// check for users
// TODO validate user existance in the user store.
List<OrganizationalEntityDAO> orgEntities = getUserOrganizationalEntities(role);
Collections.sort(orgEntities, PeopleQueryComparators.peopleNameComparator());
if (Collections.binarySearch(orgEntities, validatee, PeopleQueryComparators.peopleNameComparator()) >= 0) {
return true;
}
}
}
return false;
}
use of org.wso2.carbon.humantask.core.dao.TaskDAO in project carbon-business-process by wso2.
the class HumanTaskCoordinationProtocolManagementSkeleton method isTaskInFinalState.
private boolean isTaskInFinalState(final Long taskID) throws Exception {
TaskDAO task = HumanTaskServiceComponent.getHumanTaskServer().getTaskEngine().getScheduler().execTransaction(new Callable<TaskDAO>() {
public TaskDAO call() throws Exception {
return HumanTaskServiceComponent.getHumanTaskServer().getTaskEngine().getDaoConnectionFactory().getConnection().getTask(taskID);
}
});
TaskStatus status = task.getStatus();
boolean isInFinalState = false;
if (TaskStatus.EXITED.equals(status) || TaskStatus.ERROR.equals(status) || TaskStatus.FAILED.equals(status) || TaskStatus.OBSOLETE.equals(status) || TaskStatus.COMPLETED.equals(status)) {
isInFinalState = true;
}
return isInFinalState;
}
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