类 AbstractNestablePropertyAccessor

构造器详细资料

• AbstractNestablePropertyAccessor

  protected AbstractNestablePropertyAccessor()

  Create a new empty accessor. Wrapped instance needs to be set afterwards. Registers default editors.

  另请参阅:

  setWrappedInstance(java.lang.Object)

• AbstractNestablePropertyAccessor

  protected AbstractNestablePropertyAccessor​(boolean registerDefaultEditors)

  Create a new empty accessor. Wrapped instance needs to be set afterwards.

  参数:

  registerDefaultEditors - whether to register default editors (can be suppressed if the accessor won't need any type conversion)

  另请参阅:

  setWrappedInstance(java.lang.Object)

• AbstractNestablePropertyAccessor

  protected AbstractNestablePropertyAccessor​(Object object)

  Create a new accessor for the given object.

  参数:

  object - object wrapped by this accessor

• AbstractNestablePropertyAccessor

  protected AbstractNestablePropertyAccessor​(Class<?> clazz)

  Create a new accessor, wrapping a new instance of the specified class.

  参数:

  clazz - class to instantiate and wrap

• AbstractNestablePropertyAccessor

  protected AbstractNestablePropertyAccessor​(Object object,
                                             String nestedPath,
                                             Object rootObject)

  Create a new accessor for the given object, registering a nested path that the object is in.

  参数:

  object - object wrapped by this accessor

  nestedPath - the nested path of the object

  rootObject - the root object at the top of the path

• AbstractNestablePropertyAccessor

  protected AbstractNestablePropertyAccessor​(Object object,
                                             String nestedPath,
                                             AbstractNestablePropertyAccessor parent)

  Create a new accessor for the given object, registering a nested path that the object is in.

  参数:

  object - object wrapped by this accessor

  nestedPath - the nested path of the object

  parent - the containing accessor (must not be null)

方法详细资料

• setAutoGrowCollectionLimit

  public void setAutoGrowCollectionLimit​(int autoGrowCollectionLimit)

  Specify a limit for array and collection auto-growing.

  Default is unlimited on a plain accessor.

• getAutoGrowCollectionLimit

  public int getAutoGrowCollectionLimit()

  Return the limit for array and collection auto-growing.

• setWrappedInstance

  public void setWrappedInstance​(Object object)

  Switch the target object, replacing the cached introspection results only if the class of the new object is different to that of the replaced object.

  参数:

  object - the new target object

• setWrappedInstance

  public void setWrappedInstance​(Object object,
                                 String nestedPath,
                                 Object rootObject)

  Switch the target object, replacing the cached introspection results only if the class of the new object is different to that of the replaced object.

  参数:

  object - the new target object

  nestedPath - the nested path of the object

  rootObject - the root object at the top of the path

• getWrappedInstance

  public final Object getWrappedInstance()

• getWrappedClass

  public final Class<?> getWrappedClass()

• getNestedPath

  public final String getNestedPath()

  Return the nested path of the object wrapped by this accessor.

• getRootInstance

  public final Object getRootInstance()

  Return the root object at the top of the path of this accessor.

  另请参阅:

  getNestedPath()

• getRootClass

  public final Class<?> getRootClass()

  Return the class of the root object at the top of the path of this accessor.

  另请参阅:

  getNestedPath()

• setPropertyValue

  public void setPropertyValue​(String propertyName,
                               Object value)
                        throws BeansException

  从类复制的说明: AbstractPropertyAccessor
  Actually set a property value.

  指定者:

  setPropertyValue 在接口中 PropertyAccessor

  指定者:

  setPropertyValue 在类中 AbstractPropertyAccessor

  参数:

  propertyName - name of the property to set value of

  value - the new value

  抛出:

  InvalidPropertyException - if there is no such property or if the property isn't writable

  PropertyAccessException - if the property was valid but the accessor method failed or a type mismatch occurred

  BeansException

• setPropertyValue

  public void setPropertyValue​(PropertyValue pv)
                        throws BeansException

  从接口复制的说明: PropertyAccessor
  Set the specified value as current property value.

  指定者:

  setPropertyValue 在接口中 PropertyAccessor

  覆盖:

  setPropertyValue 在类中 AbstractPropertyAccessor

  参数:

  pv - an object containing the new property value

  抛出:

  InvalidPropertyException - if there is no such property or if the property isn't writable

  PropertyAccessException - if the property was valid but the accessor method failed or a type mismatch occurred

  BeansException

• setPropertyValue

  protected void setPropertyValue​(AbstractNestablePropertyAccessor.PropertyTokenHolder tokens,
                                  PropertyValue pv)
                           throws BeansException

  抛出:

  BeansException

• getPropertyType

  public Class<?> getPropertyType​(String propertyName)
                           throws BeansException

  从类复制的说明: PropertyEditorRegistrySupport
  Determine the property type for the given property path.

  Called by PropertyEditorRegistrySupport.findCustomEditor(java.lang.Class<?>, java.lang.String) if no required type has been specified, to be able to find a type-specific editor even if just given a property path.

  The default implementation always returns null. BeanWrapperImpl overrides this with the standard getPropertyType method as defined by the BeanWrapper interface.

  指定者:

  getPropertyType 在接口中 PropertyAccessor

  覆盖:

  getPropertyType 在类中 AbstractPropertyAccessor

  参数:

  propertyName - the property path to determine the type for

  返回:

  the type of the property, or null if not determinable

  抛出:

  PropertyAccessException - if the property was valid but the accessor method failed

  BeansException

  另请参阅:

  PropertyAccessor.getPropertyType(String)

• getPropertyTypeDescriptor

  public TypeDescriptor getPropertyTypeDescriptor​(String propertyName)
                                           throws BeansException

  从接口复制的说明: PropertyAccessor
  Return a type descriptor for the specified property: preferably from the read method, falling back to the write method.

  参数:

  propertyName - the property to check (may be a nested path and/or an indexed/mapped property)

  返回:

  the property type for the particular property, or null if not determinable

  抛出:

  PropertyAccessException - if the property was valid but the accessor method failed

  BeansException

• isReadableProperty

  public boolean isReadableProperty​(String propertyName)

  从接口复制的说明: PropertyAccessor
  Determine whether the specified property is readable.

  Returns false if the property doesn't exist.

  参数:

  propertyName - the property to check (may be a nested path and/or an indexed/mapped property)

  返回:

  whether the property is readable

• isWritableProperty

  public boolean isWritableProperty​(String propertyName)

  从接口复制的说明: PropertyAccessor
  Determine whether the specified property is writable.

  Returns false if the property doesn't exist.

  参数:

  propertyName - the property to check (may be a nested path and/or an indexed/mapped property)

  返回:

  whether the property is writable

• convertForProperty

  protected Object convertForProperty​(String propertyName,
                                      Object oldValue,
                                      Object newValue,
                                      TypeDescriptor td)
                               throws TypeMismatchException

  抛出:

  TypeMismatchException

• getPropertyValue

  public Object getPropertyValue​(String propertyName)
                          throws BeansException

  从类复制的说明: AbstractPropertyAccessor
  Actually get the value of a property.

  指定者:

  getPropertyValue 在接口中 PropertyAccessor

  指定者:

  getPropertyValue 在类中 AbstractPropertyAccessor

  参数:

  propertyName - name of the property to get the value of

  返回:

  the value of the property

  抛出:

  InvalidPropertyException - if there is no such property or if the property isn't readable

  PropertyAccessException - if the property was valid but the accessor method failed

  BeansException

• getPropertyValue

  protected Object getPropertyValue​(AbstractNestablePropertyAccessor.PropertyTokenHolder tokens)
                             throws BeansException

  抛出:

  BeansException

• getPropertyHandler

  protected AbstractNestablePropertyAccessor.PropertyHandler getPropertyHandler​(String propertyName)
                                                                         throws BeansException

  Return the AbstractNestablePropertyAccessor.PropertyHandler for the specified propertyName, navigating if necessary. Return null if not found rather than throwing an exception.

  参数:

  propertyName - the property to obtain the descriptor for

  返回:

  the property descriptor for the specified property, or null if not found

  抛出:

  BeansException - in case of introspection failure

• getLocalPropertyHandler

  protected abstract AbstractNestablePropertyAccessor.PropertyHandler getLocalPropertyHandler​(String propertyName)

  Return a AbstractNestablePropertyAccessor.PropertyHandler for the specified local propertyName. Only used to reach a property available in the current context.

  参数:

  propertyName - the name of a local property

  返回:

  the handler for that property or null if it has not been found

• newNestedPropertyAccessor

  protected abstract AbstractNestablePropertyAccessor newNestedPropertyAccessor​(Object object,
                                                                                String nestedPath)

  Create a new nested property accessor instance. Can be overridden in subclasses to create a PropertyAccessor subclass.

  参数:

  object - object wrapped by this PropertyAccessor

  nestedPath - the nested path of the object

  返回:

  the nested PropertyAccessor instance

• createNotWritablePropertyException

  protected abstract NotWritablePropertyException createNotWritablePropertyException​(String propertyName)

  Create a NotWritablePropertyException for the specified property.

• getFinalPath

  protected String getFinalPath​(AbstractNestablePropertyAccessor pa,
                                String nestedPath)

  Get the last component of the path. Also works if not nested.

  参数:

  pa - property accessor to work on

  nestedPath - property path we know is nested

  返回:

  last component of the path (the property on the target bean)

• getPropertyAccessorForPropertyPath

  protected AbstractNestablePropertyAccessor getPropertyAccessorForPropertyPath​(String propertyPath)

  Recursively navigate to return a property accessor for the nested property path.

  参数:

  propertyPath - property path, which may be nested

  返回:

  a property accessor for the target bean

• toString

  public String toString()

  覆盖:

  toString 在类中 Object