import org.activiti.engine.form.FormType; //导入依赖的package包/类
@Override
public Object getVariable(FormProperty formProperty, String value) {
    value = StrUtil.isEmpty(value) ? formProperty.getValue() : value;
    FormType formType = formProperty.getType();
    if (formType.getClass().equals(DateFormType.class)) {
        DateFormType dateType = (DateFormType) formType;
        return dateType.convertFormValueToModelValue(value);
    } else if (formType.getClass().equals(BooleanFormType.class)) {
        BooleanFormType boolType = (BooleanFormType) formType;
        return boolType.convertFormValueToModelValue(value);
    } else if (formType.getClass().equals(EnumFormType.class)) {
        EnumFormType enumType = (EnumFormType) formType;
        return enumType.convertFormValueToModelValue(value);
    } else if (formType.getClass().equals(DoubleFormType.class)) {
        DoubleFormType doubleType = (DoubleFormType) formType;
        return doubleType.convertFormValueToModelValue(value);
    } else if (formType.getClass().equals(LongFormType.class)) {
        LongFormType longType = (LongFormType) formType;
        return longType.convertFormValueToModelValue(value);
    } else {
        return value;
    }
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
private WorkflowFormPropertyType fromActivitiFormType(
        final FormType activitiFormType) {

    WorkflowFormPropertyType result = WorkflowFormPropertyType.String;

    if ("string".equals(activitiFormType.getName())) {
        result = WorkflowFormPropertyType.String;
    }
    if ("long".equals(activitiFormType.getName())) {
        result = WorkflowFormPropertyType.Long;
    }
    if ("enum".equals(activitiFormType.getName())) {
        result = WorkflowFormPropertyType.Enum;
    }
    if ("date".equals(activitiFormType.getName())) {
        result = WorkflowFormPropertyType.Date;
    }
    if ("boolean".equals(activitiFormType.getName())) {
        result = WorkflowFormPropertyType.Boolean;
    }

    return result;
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
protected FormPropertyRenderer getRenderer(FormProperty formProperty) {
  FormType formPropertyType = formProperty.getType();
  if(formPropertyType == null) {
    return formPropertyRendererManager.getTypeLessFormPropertyRenderer();
  } else {
    return formPropertyRendererManager.getPropertyRendererForType(formProperty.getType());
  }
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
/**
 * Gets a {@link FormPropertyRenderer} for the given type.
 * 
 * @throws ActivitiException when no renderer is found for the given type.
 */
public FormPropertyRenderer getPropertyRendererForType(FormType formType) {
  Class<? extends FormType> clazz = formType.getClass();
  FormPropertyRenderer renderer = propertyRenderers.get(clazz);
  
  if(renderer == null) {
    throw new ActivitiException("No property renderer found for type: " + 
      formType.getName() + ", " + formType.getClass());
  }
  return renderer;
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
public AbstractFormPropertyRenderer(Class< ? extends FormType> formType) {
  this.formType = formType;
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
public Class< ? extends FormType> getFormType() {
  return formType;
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
public FormType getType() {
  return type;
}
 

import org.activiti.engine.form.FormType; //导入依赖的package包/类
/**
 * The form type this renderer should be used for.
 */
Class<? extends FormType> getFormType();