Package jadex.commons.beans

Class Beans

  • public class Beans
extends java.lang.Object
    This class Beans provides some methods for manipulting bean controls.

    • Constructor Summary

      Constructors 
      Constructor Description
      Beans()
      Constructs a Beans instance.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.Object getInstanceOf​(java.lang.Object bean, java.lang.Class<?> targetType)
      Obtain an alternative type view of the given bean.
      static java.lang.Object instantiate​(java.lang.ClassLoader loader, java.lang.String name)
      Obtains an instance of a JavaBean specified the bean name using the specified class loader.
      static java.lang.Object instantiate​(java.lang.ClassLoader cls, java.lang.String beanName, BeanContext beanContext)
      Obtains an instance of a JavaBean specified the bean name using the specified class loader, and adds the instance into the specified bean context.
      static boolean isDesignTime()
      Determine if it's in design-mode.
      static boolean isGuiAvailable()
      Returns a boolean indication of whether or not a GUI is available for beans.
      static boolean isInstanceOf​(java.lang.Object bean, java.lang.Class<?> targetType)
      Determine if the the specified bean object can be viewed as the specified type.
      static void setDesignTime​(boolean isDesignTime)
      Used to indicate whether of not it's in an application construction environment.
      static void setGuiAvailable​(boolean isGuiAvailable)
      Set whether or not a GUI is available in the bean's current environment.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Beans

        public Beans()
        Constructs a Beans instance.

    • Method Detail

      • instantiate

        public static java.lang.Object instantiate​(java.lang.ClassLoader loader,
                                           java.lang.String name)
                                    throws java.io.IOException,
                                           java.lang.ClassNotFoundException
        Obtains an instance of a JavaBean specified the bean name using the specified class loader.
        Parameters:
        loader - the specified class loader. It can be null.
        name - the name of the JavaBean
        Returns:
        an isntance of the bean.
        Throws:
        java.io.IOException
        java.lang.ClassNotFoundException

      • instantiate

        public static java.lang.Object instantiate​(java.lang.ClassLoader cls,
                                           java.lang.String beanName,
                                           BeanContext beanContext)
                                    throws java.io.IOException,
                                           java.lang.ClassNotFoundException
        Obtains an instance of a JavaBean specified the bean name using the specified class loader, and adds the instance into the specified bean context.
        Parameters:
        cls - the specified class loader. It can be null.
        beanName - the name of the JavaBean
        beanContext - the beancontext in which the bean instance will be added.
        Returns:
        an instance of the specified JavaBean.
        Throws:
        java.io.IOException
        java.lang.ClassNotFoundException

      • getInstanceOf

        public static java.lang.Object getInstanceOf​(java.lang.Object bean,
                                             java.lang.Class<?> targetType)
        Obtain an alternative type view of the given bean. The view type is specified by the parameter type.
        Parameters:
        bean - the original bean object.
        targetType - the specified view type.
        Returns:
        a type view of the given bean.

      • isInstanceOf

        public static boolean isInstanceOf​(java.lang.Object bean,
                                   java.lang.Class<?> targetType)
        Determine if the the specified bean object can be viewed as the specified type.
        Parameters:
        bean - the specified bean object.
        targetType - the specifed view type.
        Returns:
        true if the specified bean object can be viewed as the specified type; otherwise, return false;

      • setGuiAvailable

        public static void setGuiAvailable​(boolean isGuiAvailable)
                            throws java.lang.SecurityException
        Set whether or not a GUI is available in the bean's current environment.
        Parameters:
        isGuiAvailable - should be true to signify that a GUI is available, false otherwise.
        Throws:
        java.lang.SecurityException - if the caller does not have the required permission to access or modify system properties.

      • setDesignTime

        public static void setDesignTime​(boolean isDesignTime)
                          throws java.lang.SecurityException
        Used to indicate whether of not it's in an application construction environment.
        Parameters:
        isDesignTime - true to indicate that it's in application construction environment.
        Throws:
        java.lang.SecurityException

      • isGuiAvailable

        public static boolean isGuiAvailable()
        Returns a boolean indication of whether or not a GUI is available for beans.
        Returns:
        true if a GUI is available, otherwise false.

      • isDesignTime

        public static boolean isDesignTime()
        Determine if it's in design-mode.
        Returns:
        true if it's in an application construction environment.