org.activiti.engine.form.FormProperty Java Examples

@Test
public void checkForm() {
	Map<String, Object> variables = mapper.mapToVariables(formResource);
	Assert.assertEquals(1, variables.size());
	Assert.assertEquals(Boolean.TRUE, variables.get("approved"));

	TestForm resourceCopy = new TestForm();
	mapper.mapFromVariables(resourceCopy, variables);
	checkFormResource(resourceCopy);

	List<FormProperty> formProperties = new ArrayList<>();
	FormProperty formProperty = Mockito.mock(FormProperty.class);
	Mockito.when(formProperty.getId()).thenReturn("approved");
	Mockito.when(formProperty.getValue()).thenReturn("true");
	formProperties.add(formProperty);

	TaskFormData formData = Mockito.mock(TaskFormData.class);
	Mockito.when(formData.getFormProperties()).thenReturn(formProperties);
	Task task = Mockito.mock(Task.class);
	Mockito.when(task.getId()).thenReturn("someTask");
	Mockito.when(formData.getTask()).thenReturn(task);
	TestForm formCopy = mapper.mapToResource(TestForm.class, formData);
	checkFormResource(formCopy);
	Assert.assertEquals("someTask", formCopy.getId());
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Deployment
public void testFormPropertyExpression() {
  Map<String, Object> varMap = new HashMap<String, Object>();
  varMap.put("speaker", "Mike"); // variable name mapping
  Address address = new Address();
  varMap.put("address", address);

  String procDefId = repositoryService.createProcessDefinitionQuery().singleResult().getId();
  ProcessInstance processInstance = runtimeService.startProcessInstanceById(procDefId, varMap);

  String taskId = taskService.createTaskQuery().singleResult().getId();
  TaskFormData taskFormData = formService.getTaskFormData(taskId);

  List<FormProperty> formProperties = taskFormData.getFormProperties();
  FormProperty propertySpeaker = formProperties.get(0);
  assertEquals("speaker", propertySpeaker.getId());
  assertEquals("Mike", propertySpeaker.getValue());

  assertEquals(2, formProperties.size());

  Map<String, String> properties = new HashMap<String, String>();
  properties.put("street", "Broadway");
  formService.submitTaskFormData(taskId, properties);

  address = (Address) runtimeService.getVariable(processInstance.getId(), "address");
  assertEquals("Broadway", address.getStreet());
}
 

@Deployment
public void testDefaultValue() throws Exception {
  ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("FormPropertyDefaultValueTest.testDefaultValue");
  Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();

  TaskFormData formData = formService.getTaskFormData(task.getId());
  List<FormProperty> formProperties = formData.getFormProperties();
  assertEquals(4, formProperties.size());

  for (FormProperty prop : formProperties) {
    if ("booleanProperty".equals(prop.getId())) {
      assertEquals("true", prop.getValue());
    } else if ("stringProperty".equals(prop.getId())) {
      assertEquals("someString", prop.getValue());
    } else if ("longProperty".equals(prop.getId())) {
      assertEquals("42", prop.getValue());
    } else if ("longExpressionProperty".equals(prop.getId())) {
      assertEquals("23", prop.getValue());
    } else {
      assertTrue("Invalid form property: " + prop.getId(), false);
    }
  }

  Map<String, String> formDataUpdate = new HashMap<String, String>();
  formDataUpdate.put("longExpressionProperty", "1");
  formDataUpdate.put("booleanProperty", "false");
  formService.submitTaskFormData(task.getId(), formDataUpdate);

  assertEquals(false, runtimeService.getVariable(processInstance.getId(), "booleanProperty"));
  assertEquals("someString", runtimeService.getVariable(processInstance.getId(), "stringProperty"));
  assertEquals(42L, runtimeService.getVariable(processInstance.getId(), "longProperty"));
  assertEquals(1L, runtimeService.getVariable(processInstance.getId(), "longExpressionProperty"));
}
 

@Deployment
public void testStartFormDefaultValue() throws Exception {
  String processDefinitionId = repositoryService.createProcessDefinitionQuery()
    .processDefinitionKey("FormPropertyDefaultValueTest.testDefaultValue")
    .latestVersion()
    .singleResult()
    .getId();
  
  StartFormData startForm = formService.getStartFormData(processDefinitionId);
  
  
  List<FormProperty> formProperties = startForm.getFormProperties();
  assertEquals(4, formProperties.size());

  for (FormProperty prop : formProperties) {
    if ("booleanProperty".equals(prop.getId())) {
      assertEquals("true", prop.getValue());
    } else if ("stringProperty".equals(prop.getId())) {
      assertEquals("someString", prop.getValue());
    } else if ("longProperty".equals(prop.getId())) {
      assertEquals("42", prop.getValue());
    } else if ("longExpressionProperty".equals(prop.getId())) {
      assertEquals("23", prop.getValue());
    } else {
      assertTrue("Invalid form property: " + prop.getId(), false);
    }
  }

  // Override 2 properties. The others should pe posted as the default-value
  Map<String, String> formDataUpdate = new HashMap<String, String>();
  formDataUpdate.put("longExpressionProperty", "1");
  formDataUpdate.put("booleanProperty", "false");
  ProcessInstance processInstance = formService.submitStartFormData(processDefinitionId, formDataUpdate);

  assertEquals(false, runtimeService.getVariable(processInstance.getId(), "booleanProperty"));
  assertEquals("someString", runtimeService.getVariable(processInstance.getId(), "stringProperty"));
  assertEquals(42L, runtimeService.getVariable(processInstance.getId(), "longProperty"));
  assertEquals(1L, runtimeService.getVariable(processInstance.getId(), "longExpressionProperty"));
}
 

public <T extends FormResource> T mapToResource(Class<T> resourceClass, TaskFormData formData) {
	T resource = io.crnk.core.engine.internal.utils.ClassUtils.newInstance(resourceClass);
	Map<String, Object> formPropertyMap = new HashMap<>();
	List<FormProperty> formProperties = formData.getFormProperties();
	for (FormProperty formProperty : formProperties) {
		formPropertyMap.put(formProperty.getId(), formProperty.getValue());
	}
	copyInternal(resource, null, formPropertyMap, true, Optional.empty());
	resource.setId(formData.getTask().getId());
	return resource;
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

public void parseConfiguration(List<org.activiti.bpmn.model.FormProperty> formProperties, String formKey, DeploymentEntity deployment, ProcessDefinition processDefinition) {
  this.deploymentId = deployment.getId();
  
  ExpressionManager expressionManager = Context
      .getProcessEngineConfiguration()
      .getExpressionManager();
  
  if (StringUtils.isNotEmpty(formKey)) {
    this.formKey = expressionManager.createExpression(formKey);
  }
  
  FormTypes formTypes = Context
    .getProcessEngineConfiguration()
    .getFormTypes();
  
  for (org.activiti.bpmn.model.FormProperty formProperty : formProperties) {
    FormPropertyHandler formPropertyHandler = new FormPropertyHandler();
    formPropertyHandler.setId(formProperty.getId());
    formPropertyHandler.setName(formProperty.getName());
    
    AbstractFormType type = formTypes.parseFormPropertyType(formProperty);
    formPropertyHandler.setType(type);
    formPropertyHandler.setRequired(formProperty.isRequired());
    formPropertyHandler.setReadable(formProperty.isReadable());
    formPropertyHandler.setWritable(formProperty.isWriteable());
    formPropertyHandler.setVariableName(formProperty.getVariable());

    if (StringUtils.isNotEmpty(formProperty.getExpression())) {
      Expression expression = expressionManager.createExpression(formProperty.getExpression());
      formPropertyHandler.setVariableExpression(expression);
    }

    if (StringUtils.isNotEmpty(formProperty.getDefaultExpression())) {
      Expression defaultExpression = expressionManager.createExpression(formProperty.getDefaultExpression());
      formPropertyHandler.setDefaultExpression(defaultExpression);
    }

    formPropertyHandlers.add(formPropertyHandler);
  }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

@Test
@Deployment(resources = "chapter6/dynamic-form/leave.bpmn")
public void testJavascriptFormType() throws Exception {

    // 验证是否部署成功
    long count = repositoryService.createProcessDefinitionQuery().count();
    assertEquals(1, count);

    ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionKey("leave").singleResult();
    StartFormData startFormData = formService.getStartFormData(processDefinition.getId());
    List<FormProperty> formProperties = startFormData.getFormProperties();
    for (FormProperty formProperty : formProperties) {
        System.out.println(formProperty.getId() + "，value=" + formProperty.getValue());
    }
}
 

/**
     * 跳转到任务执行页面
     * @param request
     * @return
     */
    @RequestMapping(value = "/form.do")
    public String from(HttpServletRequest request,
                       @RequestParam("taskId")String taskId,
                       Model model){

        List<Task> taskList =  taskService.createTaskQuery().taskId(taskId).list();
        Task task = taskList.get(0);
        //获取表单数据
        TaskFormData tfd =  formService.getTaskFormData(taskId);
        List<FormProperty>   fpList = tfd.getFormProperties();

        Map map = runtimeService.getVariables(task.getExecutionId());

        List<ActivityImpl> activityList = new ArrayList<ActivityImpl>();

        try {
            //查找所有可驳回的节点
            activityList = processExtensionService.findBackActivity(taskId);
            //model.addAttribute("activityList",activityList);
        }catch (Exception e){
            e.printStackTrace();
        }


//        model.addAttribute("task",task);
//        model.addAttribute("fpList",fpList);
//        model.addAttribute("map",map);
//        model.addAttribute("taskId",taskId);

        request.setAttribute("task", task);
        request.setAttribute("fpList", fpList);
        request.setAttribute("map", map);
        request.setAttribute("taskId", taskId);
        request.setAttribute("activityList", activityList);
        
        return "/simple/form";
    }
 

protected void initializeFormProperties(FormDataImpl formData, ExecutionEntity execution) {
  List<FormProperty> formProperties = new ArrayList<FormProperty>();
  for (FormPropertyHandler formPropertyHandler: formPropertyHandlers) {
    if (formPropertyHandler.isReadable()) {
      FormProperty formProperty = formPropertyHandler.createFormProperty(execution);
      formProperties.add(formProperty);
    }
  }
  formData.setFormProperties(formProperties);
}
 

public FormProperty createFormProperty(ExecutionEntity execution) {
  FormPropertyImpl formProperty = new FormPropertyImpl(this);
  Object modelValue = null;
  
  if (execution!=null) {
    if (variableName != null || variableExpression == null) {
      final String varName = variableName != null ? variableName : id;
      if (execution.hasVariable(varName)) {
        modelValue = execution.getVariable(varName);
      } else if (defaultExpression != null) {
        modelValue = defaultExpression.getValue(execution);
      }
    } else {
      modelValue = variableExpression.getValue(execution);
    }
  } else {
    // Execution is null, the form-property is used in a start-form. Default value
    // should be available (ACT-1028) even though no execution is available.
    if (defaultExpression != null) {
      modelValue = defaultExpression.getValue(NoExecutionVariableScope.getSharedInstance());
    }
  }

  if (modelValue instanceof String) {
    formProperty.setValue((String) modelValue);
  } else if (type != null) {
    String formValue = type.convertModelValueToFormValue(modelValue);
    formProperty.setValue(formValue);
  } else if (modelValue != null) {
    formProperty.setValue(modelValue.toString());
  }
  
  return formProperty;
}
 

@Deployment
public void testStartFormDefaultValue() throws Exception {
  String processDefinitionId = repositoryService.createProcessDefinitionQuery().processDefinitionKey("FormPropertyDefaultValueTest.testDefaultValue").latestVersion().singleResult().getId();

  StartFormData startForm = formService.getStartFormData(processDefinitionId);

  List<FormProperty> formProperties = startForm.getFormProperties();
  assertEquals(4, formProperties.size());

  for (FormProperty prop : formProperties) {
    if ("booleanProperty".equals(prop.getId())) {
      assertEquals("true", prop.getValue());
    } else if ("stringProperty".equals(prop.getId())) {
      assertEquals("someString", prop.getValue());
    } else if ("longProperty".equals(prop.getId())) {
      assertEquals("42", prop.getValue());
    } else if ("longExpressionProperty".equals(prop.getId())) {
      assertEquals("23", prop.getValue());
    } else {
      assertTrue("Invalid form property: " + prop.getId(), false);
    }
  }

  // Override 2 properties. The others should pe posted as the
  // default-value
  Map<String, String> formDataUpdate = new HashMap<String, String>();
  formDataUpdate.put("longExpressionProperty", "1");
  formDataUpdate.put("booleanProperty", "false");
  ProcessInstance processInstance = formService.submitStartFormData(processDefinitionId, formDataUpdate);

  assertEquals(false, runtimeService.getVariable(processInstance.getId(), "booleanProperty"));
  assertEquals("someString", runtimeService.getVariable(processInstance.getId(), "stringProperty"));
  assertEquals(42L, runtimeService.getVariable(processInstance.getId(), "longProperty"));
  assertEquals(1L, runtimeService.getVariable(processInstance.getId(), "longExpressionProperty"));
}
 

@Deployment
public void testDefaultValue() throws Exception {
  ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("FormPropertyDefaultValueTest.testDefaultValue");
  Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();

  TaskFormData formData = formService.getTaskFormData(task.getId());
  List<FormProperty> formProperties = formData.getFormProperties();
  assertEquals(4, formProperties.size());

  for (FormProperty prop : formProperties) {
    if ("booleanProperty".equals(prop.getId())) {
      assertEquals("true", prop.getValue());
    } else if ("stringProperty".equals(prop.getId())) {
      assertEquals("someString", prop.getValue());
    } else if ("longProperty".equals(prop.getId())) {
      assertEquals("42", prop.getValue());
    } else if ("longExpressionProperty".equals(prop.getId())) {
      assertEquals("23", prop.getValue());
    } else {
      assertTrue("Invalid form property: " + prop.getId(), false);
    }
  }

  Map<String, String> formDataUpdate = new HashMap<String, String>();
  formDataUpdate.put("longExpressionProperty", "1");
  formDataUpdate.put("booleanProperty", "false");
  formService.submitTaskFormData(task.getId(), formDataUpdate);

  assertEquals(false, runtimeService.getVariable(processInstance.getId(), "booleanProperty"));
  assertEquals("someString", runtimeService.getVariable(processInstance.getId(), "stringProperty"));
  assertEquals(42L, runtimeService.getVariable(processInstance.getId(), "longProperty"));
  assertEquals(1L, runtimeService.getVariable(processInstance.getId(), "longExpressionProperty"));
}
 

@Deployment
public void testFormPropertyExpression() {
  Map<String, Object> varMap = new HashMap<String, Object>();
  varMap.put("speaker", "Mike"); // variable name mapping
  Address address = new Address();
  varMap.put("address", address);

  String procDefId = repositoryService.createProcessDefinitionQuery().singleResult().getId();
  ProcessInstance processInstance = runtimeService.startProcessInstanceById(procDefId, varMap);

  String taskId = taskService.createTaskQuery().singleResult().getId();
  TaskFormData taskFormData = formService.getTaskFormData(taskId);

  List<FormProperty> formProperties = taskFormData.getFormProperties();
  FormProperty propertySpeaker = formProperties.get(0);
  assertEquals("speaker", propertySpeaker.getId());
  assertEquals("Mike", propertySpeaker.getValue());

  assertEquals(2, formProperties.size());

  Map<String, String> properties = new HashMap<String, String>();
  properties.put("street", "Broadway");
  formService.submitTaskFormData(taskId, properties);

  address = (Address) runtimeService.getVariable(processInstance.getId(), "address");
  assertEquals("Broadway", address.getStreet());
}
 

public void parseConfiguration(List<org.activiti.bpmn.model.FormProperty> formProperties, String formKey, DeploymentEntity deployment, ProcessDefinition processDefinition) {
  this.deploymentId = deployment.getId();

  ExpressionManager expressionManager = Context.getProcessEngineConfiguration().getExpressionManager();

  if (StringUtils.isNotEmpty(formKey)) {
    this.formKey = expressionManager.createExpression(formKey);
  }

  FormTypes formTypes = Context.getProcessEngineConfiguration().getFormTypes();

  for (org.activiti.bpmn.model.FormProperty formProperty : formProperties) {
    FormPropertyHandler formPropertyHandler = new FormPropertyHandler();
    formPropertyHandler.setId(formProperty.getId());
    formPropertyHandler.setName(formProperty.getName());

    AbstractFormType type = formTypes.parseFormPropertyType(formProperty);
    formPropertyHandler.setType(type);
    formPropertyHandler.setRequired(formProperty.isRequired());
    formPropertyHandler.setReadable(formProperty.isReadable());
    formPropertyHandler.setWritable(formProperty.isWriteable());
    formPropertyHandler.setVariableName(formProperty.getVariable());

    if (StringUtils.isNotEmpty(formProperty.getExpression())) {
      Expression expression = expressionManager.createExpression(formProperty.getExpression());
      formPropertyHandler.setVariableExpression(expression);
    }

    if (StringUtils.isNotEmpty(formProperty.getDefaultExpression())) {
      Expression defaultExpression = expressionManager.createExpression(formProperty.getDefaultExpression());
      formPropertyHandler.setDefaultExpression(defaultExpression);
    }

    formPropertyHandlers.add(formPropertyHandler);
  }
}
 

protected void initializeFormProperties(FormDataImpl formData, ExecutionEntity execution) {
  List<FormProperty> formProperties = new ArrayList<FormProperty>();
  for (FormPropertyHandler formPropertyHandler : formPropertyHandlers) {
    if (formPropertyHandler.isReadable()) {
      FormProperty formProperty = formPropertyHandler.createFormProperty(execution);
      formProperties.add(formProperty);
    }
  }
  formData.setFormProperties(formProperties);
}
 

public FormProperty createFormProperty(ExecutionEntity execution) {
  FormPropertyImpl formProperty = new FormPropertyImpl(this);
  Object modelValue = null;

  if (execution != null) {
    if (variableName != null || variableExpression == null) {
      final String varName = variableName != null ? variableName : id;
      if (execution.hasVariable(varName)) {
        modelValue = execution.getVariable(varName);
      } else if (defaultExpression != null) {
        modelValue = defaultExpression.getValue(execution);
      }
    } else {
      modelValue = variableExpression.getValue(execution);
    }
  } else {
    // Execution is null, the form-property is used in a start-form.
    // Default value
    // should be available (ACT-1028) even though no execution is
    // available.
    if (defaultExpression != null) {
      modelValue = defaultExpression.getValue(NoExecutionVariableScope.getSharedInstance());
    }
  }

  if (modelValue instanceof String) {
    formProperty.setValue((String) modelValue);
  } else if (type != null) {
    String formValue = type.convertModelValueToFormValue(modelValue);
    formProperty.setValue(formValue);
  } else if (modelValue != null) {
    formProperty.setValue(modelValue.toString());
  }

  return formProperty;
}
 

public void setFormProperties(List<FormProperty> formProperties) {
  this.formProperties = formProperties;
}
 

@Test
public void listTasks() {
    // 1. 查寻/设置 用户和组
    logger.trace("query and create managers group and user waytt if they are not exist.");
    String groupId = "hosts";
    String userId = "dolores";
    //查询有没有ID为 managers 的组
    List<Group> hostGroups = identityService.createGroupQuery().groupId(groupId).list();
    Group hostGroup;
    if(hostGroups == null || hostGroups.size() == 0) {
        // 没有，增加一个
        hostGroup = identityService.newGroup(groupId); //参数是groupId
        hostGroup.setName("接待员");
        hostGroup.setType("business-role");
        identityService.saveGroup(hostGroup);
    }else{
        hostGroup = hostGroups.get(0);
    }

    List<User> users = identityService.createUserQuery().userId(userId).list();
    User userDolores;
    if(users == null || users.size() == 0) {
        userDolores = identityService.newUser(userId);
        userDolores.setFirstName("Dolores");
        userDolores.setLastName("Abernathy");
        userDolores.setPassword("none");
        userDolores.setEmail("[email protected]");
        identityService.saveUser(userDolores);
        identityService.createMembership(userDolores.getId(), hostGroup.getId());
    }else{
        userDolores = users.get(0);
    }


    logger.trace("listTasks");
    List<Task> tasks = taskService.createTaskQuery().list();

    if(tasks == null || tasks.size() == 0){
        logger.trace("donot found any tasks; add one");

        Map<String, Object> variables = new HashMap<String, Object>();
        variables.put("applicantName", "Bernard Lowe");
        variables.put("email", "[email protected]");
        variables.put("phoneNumber", "123456789");
        runtimeService.startProcessInstanceByKey("hireProcess", variables);
    }else{
        for(Task t : tasks){
            logger.trace("  task {}, {}, {}, {}, {}", t.getCategory(), t.getClaimTime(),
                    t.getName(), t.getId(), t.getFormKey());


            TaskFormData taskFormData = formService.getTaskFormData(t.getId());
            List<FormProperty> formProperties = taskFormData.getFormProperties();
            for (FormProperty property : formProperties) {
                logger.trace("  FormData property  id: {}, name: {}, type: {} value: {}", property.getId(), property.getName(), property.getType(), property.getValue());
            }

        }
    }

    //query again
    tasks = taskService.createTaskQuery().list();
    assertTrue(tasks.size() > 0);
    for(int i=0; i<tasks.size() && i < 3; i++) {
        //认领几个任务（最多3个）
        Task task = tasks.get(i);
        //认领此任务
        taskService.claim(task.getId(), userDolores.getId());
    }

    //查看dolores用户当前的任务列表
    List<Task> tasksOfDolores = taskService.createTaskQuery().taskAssignee(userDolores.getId()).list();
    for (Task dt : tasksOfDolores) {
        logger.trace("Dolores's task: {}, {}, {}", dt.getId(), dt.getCreateTime(), dt.getProcessVariables());
        // 设置此任务为完成状态
        Map<String, Object> vars = new HashMap<>();
        vars.put("telephoneInterviewOutcome", true);
        vars.put("techOk", false);
        vars.put("financialOk", true);
        taskService.complete(dt.getId(), vars);

        // 查询这个任务对应的流程的最终状态
        HistoricProcessInstance hpi = historyService.createHistoricProcessInstanceQuery().processInstanceId(dt.getProcessInstanceId()).singleResult();
        logger.trace("HistoricProcessInstance {}, {}, {}, {}", hpi.getName(), hpi.getEndActivityId(), hpi.getStartTime(), hpi.getEndTime());
    }


}
 

public List<FormProperty> getFormProperties() {
  return formProperties;
}
 

public void setFormProperties(List<FormProperty> formProperties) {
  this.formProperties = formProperties;
}