/**
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.jbpm.services.task.wih;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.drools.core.ClassObjectFilter;
import org.drools.core.process.instance.impl.WorkItemImpl;
import org.jbpm.process.core.timer.DateTimeUtils;
import org.jbpm.services.task.utils.ContentMarshallerHelper;
import org.jbpm.services.task.utils.OnErrorAction;
import org.jbpm.services.task.wih.util.HumanTaskHandlerHelper;
import org.jbpm.services.task.wih.util.PeopleAssignmentHelper;
import org.kie.api.runtime.Environment;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.process.CaseData;
import org.kie.api.runtime.process.WorkItem;
import org.kie.api.runtime.process.WorkItemHandler;
import org.kie.api.runtime.process.WorkItemManager;
import org.kie.api.task.model.I18NText;
import org.kie.api.task.model.OrganizationalEntity;
import org.kie.api.task.model.PeopleAssignments;
import org.kie.api.task.model.Status;
import org.kie.api.task.model.Task;
import org.kie.api.task.model.User;
import org.kie.internal.task.api.TaskModelProvider;
import org.kie.internal.task.api.model.ContentData;
import org.kie.internal.task.api.model.InternalI18NText;
import org.kie.internal.task.api.model.InternalOrganizationalEntity;
import org.kie.internal.task.api.model.InternalTask;
import org.kie.internal.task.api.model.InternalTaskData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/*
*
*
*/
public abstract class AbstractHTWorkItemHandler implements WorkItemHandler {
private static final Logger logger = LoggerFactory.getLogger(AbstractHTWorkItemHandler.class);
protected OnErrorAction action = OnErrorAction.LOG;
public AbstractHTWorkItemHandler() {
}
public AbstractHTWorkItemHandler( OnErrorAction action) {
this.action = action;
}
public void setAction(OnErrorAction action) {
this.action = action;
}
protected Task createTaskBasedOnWorkItemParams(KieSession session, WorkItem workItem) {
InternalTask task = (InternalTask) TaskModelProvider.getFactory().newTask();
String taskName = (String) workItem.getParameter("NodeName");
CaseData caseFile = null;
String locale = (String) workItem.getParameter("Locale");
if (locale == null) {
locale = "en-UK";
}
if (taskName != null) {
List<I18NText> names = new ArrayList<I18NText>();
I18NText text = TaskModelProvider.getFactory().newI18NText();
((InternalI18NText) text).setLanguage(locale);
((InternalI18NText) text).setText(taskName);
names.add(text);
task.setNames(names);
}
task.setName(taskName);
// this should be replaced by FormName filled by designer
// TaskName shouldn't be trimmed if we are planning to use that for the task lists
String formName = (String) workItem.getParameter("TaskName");
if(formName != null){
task.setFormName(formName);
}
String comment = (String) workItem.getParameter("Comment");
if (comment == null) {
comment = "";
}
String description = (String) workItem.getParameter("Description");
if (description == null) {
description = comment;
}
List<I18NText> descriptions = new ArrayList<I18NText>();
I18NText descText = TaskModelProvider.getFactory().newI18NText();
((InternalI18NText) descText).setLanguage(locale);
((InternalI18NText) descText).setText(description);
descriptions.add(descText);
task.setDescriptions(descriptions);
task.setDescription(description);
List<I18NText> subjects = new ArrayList<I18NText>();
I18NText subjectText = TaskModelProvider.getFactory().newI18NText();
((InternalI18NText) subjectText).setLanguage(locale);
((InternalI18NText) subjectText).setText(comment);
subjects.add(subjectText);
task.setSubjects(subjects);
task.setSubject(comment);
String priorityString = (String) workItem.getParameter("Priority");
int priority = 0;
if (priorityString != null) {
try {
priority = new Integer(priorityString);
} catch (NumberFormatException e) {
// do nothing
}
}
task.setPriority(priority);
InternalTaskData taskData = (InternalTaskData) TaskModelProvider.getFactory().newTaskData();
taskData.setWorkItemId(workItem.getId());
taskData.setProcessInstanceId(workItem.getProcessInstanceId());
if (session != null) {
if (session.getProcessInstance(workItem.getProcessInstanceId()) != null) {
taskData.setProcessId(session.getProcessInstance(workItem.getProcessInstanceId()).getProcess().getId());
String deploymentId = ((WorkItemImpl) workItem).getDeploymentId();
taskData.setDeploymentId(deploymentId);
}
if (session instanceof KieSession) {
taskData.setProcessSessionId(((KieSession) session).getIdentifier());
}
@SuppressWarnings("unchecked")
Collection<CaseData> caseFiles = (Collection<CaseData>) session.getObjects(new ClassObjectFilter(CaseData.class));
if (caseFiles != null && caseFiles.size() == 1) {
caseFile = caseFiles.iterator().next();
}
}
taskData.setSkipable(!"false".equals(workItem.getParameter("Skippable")));
//Sub Task Data
Long parentId = (Long) workItem.getParameter("ParentId");
if (parentId != null) {
taskData.setParentId(parentId);
}
String createdBy = (String) workItem.getParameter("CreatedBy");
if (createdBy != null && createdBy.trim().length() > 0) {
User user = TaskModelProvider.getFactory().newUser();
((InternalOrganizationalEntity) user).setId(createdBy);
taskData.setCreatedBy(user);
}
String dueDateString = (String) workItem.getParameter("DueDate");
Date date = null;
if(dueDateString != null && !dueDateString.isEmpty()){
if(DateTimeUtils.isPeriod(dueDateString)){
Long longDateValue = DateTimeUtils.parseDateAsDuration(dueDateString.substring(1));
date = new Date(System.currentTimeMillis() + longDateValue);
}else{
date = new Date(DateTimeUtils.parseDateTime(dueDateString));
}
}
if(date != null){
taskData.setExpirationTime(date);
}
PeopleAssignmentHelper peopleAssignmentHelper = new PeopleAssignmentHelper(caseFile);
peopleAssignmentHelper.handlePeopleAssignments(workItem, task, taskData);
PeopleAssignments peopleAssignments = task.getPeopleAssignments();
List<OrganizationalEntity> businessAdministrators = peopleAssignments.getBusinessAdministrators();
taskData.initialize();
task.setTaskData(taskData);
task.setDeadlines(HumanTaskHandlerHelper.setDeadlines(workItem, businessAdministrators, session.getEnvironment()));
return task;
}
protected ContentData createTaskContentBasedOnWorkItemParams(KieSession session, WorkItem workItem) {
ContentData content = null;
Object contentObject = workItem.getParameter("Content");
if (contentObject == null) {
contentObject = new HashMap<String, Object>(workItem.getParameters());
}
if (contentObject != null) {
Environment env = null;
if(session != null){
env = session.getEnvironment();
}
content = ContentMarshallerHelper.marshal(null, contentObject, env);
}
return content;
}
protected Map<String, Object> createTaskDataBasedOnWorkItemParams(KieSession session, WorkItem workItem) {
Map<String, Object> data = new HashMap<String, Object>();
Object contentObject = workItem.getParameter("Content");
if (contentObject == null) {
data = new HashMap<String, Object>(workItem.getParameters());
} else {
data.put("Content", contentObject);
}
return data;
}
protected boolean isAutoClaim(WorkItem workItem, Task task) {
String swimlaneUser = (String) workItem.getParameter("SwimlaneActorId");
if (swimlaneUser != null && !"".equals(swimlaneUser) && task.getTaskData().getStatus() == Status.Ready) {
return true;
}
return false;
}
public abstract void executeWorkItem(WorkItem workItem, WorkItemManager manager);
public abstract void abortWorkItem(WorkItem workItem, WorkItemManager manager);
}