org.springframework.web.portlet

## Class HandlerExecutionChain

- java.lang.Object
- - org.springframework.web.portlet.HandlerExecutionChain

-     public class HandlerExecutionChain
      extends Object

  Handler execution chain, consisting of handler object and any handler interceptors. Returned by HandlerMapping's `HandlerMapping.getHandler(javax.portlet.PortletRequest)` method.
  Since:
    2.0
  Author:
    Juergen Hoeller, John A. Lewis
  See Also:
    `HandlerInterceptor`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `HandlerExecutionChain(Object handler)` Create a new HandlerExecutionChain.
    `HandlerExecutionChain(Object handler, HandlerInterceptor[] interceptors)` Create a new HandlerExecutionChain.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addInterceptor(HandlerInterceptor interceptor)`
    `void` | `addInterceptors(HandlerInterceptor[] interceptors)`
    `Object` | `getHandler()` Return the handler object to execute.
    `HandlerInterceptor[]` | `getInterceptors()` Return the array of interceptors to apply (in the given order).
    `String` | `toString()` Delegates to the handler's `toString()`.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### HandlerExecutionChain

          public HandlerExecutionChain(Object handler)

      Create a new HandlerExecutionChain.
      Parameters:
        `handler` - the handler object to execute

    - #### HandlerExecutionChain

          public HandlerExecutionChain(Object handler,
                               HandlerInterceptor[] interceptors)

      Create a new HandlerExecutionChain.
      Parameters:
        `handler` - the handler object to execute
        `interceptors` - the array of interceptors to apply (in the given order) before the handler itself executes

  - ### Method Detail

    - #### getHandler

          public Object getHandler()

      Return the handler object to execute.
      Returns:
        the handler object

    - #### addInterceptor

          public void addInterceptor(HandlerInterceptor interceptor)

    - #### addInterceptors

          public void addInterceptors(HandlerInterceptor[] interceptors)

    - #### getInterceptors

          public HandlerInterceptor[] getInterceptors()

      Return the array of interceptors to apply (in the given order).
      Returns:
        the array of HandlerInterceptors instances (may be `null`)

    - #### toString

          public String toString()

      Delegates to the handler's `toString()`.
      Overrides:
        `toString` in class `Object`