com.opensymphony.xwork2.interceptor

## Class ParameterFilterInterceptor

- java.lang.Object
- - org.apache.struts2.interceptor.AbstractInterceptor
  - - com.opensymphony.xwork2.interceptor.AbstractInterceptor
    - - com.opensymphony.xwork2.interceptor.ParameterFilterInterceptor

- All Implemented Interfaces:
    Serializable, ConditionalInterceptor, Interceptor

  Deprecated.
  since 6.4.0, use `ParametersInterceptor`.

      @Deprecated
      public class ParameterFilterInterceptor
      extends AbstractInterceptor

  The Parameter Filter Interceptor blocks parameters from getting to the rest of the stack or your action. You can use multiple parameter filter interceptors for a given action, so, for example, you could use one in your default stack that filtered parameters you wanted blocked from every action and those you wanted blocked from an individual action you could add an additional interceptor for each action.
  - allowed - a comma delimited list of parameter prefixes that are allowed to pass to the action
  - blocked - a comma delimited list of parameter prefixes that are not allowed to pass to the action
  - defaultBlock - boolean (default to false) whether by default a given parameter is blocked. If true, then a parameter must have a prefix in the allowed list in order to be able to pass to the action

  The way parameters are filtered for the least configuration is that if a string is in the allowed or blocked lists, then any parameter that is a member of the object represented by the parameter is allowed or blocked respectively.

  For example, if the parameters are:

  - blocked: person,person.address.createDate,personDao
  - allowed: person.address
  - defaultBlock: false

  The parameters person.name, person.phoneNum etc would be blocked because 'person' is in the blocked list. However, person.address.street and person.address.city would be allowed because person.address is in the allowed list (the longer string determines permissions).

  There are no known extension points to this interceptor.

       <interceptors>
         ...
         <interceptor name="parameterFilter" class="com.opensymphony.xwork2.interceptor.ParameterFilterInterceptor"/>
         ...
       </interceptors>

       <action ....>
         ...
         <interceptor-ref name="parameterFilter">
           <param name="blocked">person,person.address.createDate,personDao</param>
         </interceptor-ref>
         ...
       </action>

  Author:
    Gabe
  See Also:
    Serialized Form

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from interface com.opensymphony.xwork2.interceptor.ConditionalInterceptor

      `ConditionalInterceptor.LegacyAdapter`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ParameterFilterInterceptor()` Deprecated.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `Collection<String>` | `getAllowedCollection()` Deprecated.
    `Collection<String>` | `getBlockedCollection()` Deprecated.
    `String` | `intercept(ActionInvocation invocation)` Deprecated. Override to handle interception
    `boolean` | `isDefaultBlock()` Deprecated.
    `void` | `setAllowed(String allowed)` Deprecated.
    `void` | `setAllowedCollection(Collection<String> allowed)` Deprecated.
    `void` | `setBlocked(String blocked)` Deprecated.
    `void` | `setBlockedCollection(Collection<String> blocked)` Deprecated.
    `void` | `setDefaultBlock(boolean defaultExclude)` Deprecated.

    - ### Methods inherited from class com.opensymphony.xwork2.interceptor.AbstractInterceptor

      `intercept, shouldIntercept, shouldIntercept`

    - ### Methods inherited from class org.apache.struts2.interceptor.AbstractInterceptor

      `destroy, init, setDisabled`

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

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

    - ### Methods inherited from interface com.opensymphony.xwork2.interceptor.ConditionalInterceptor

      `adapt`

    - ### Methods inherited from interface com.opensymphony.xwork2.interceptor.Interceptor

      `adapt`

    - ### Methods inherited from interface org.apache.struts2.interceptor.Interceptor

      `destroy, init`

- - ### Constructor Detail

    - #### ParameterFilterInterceptor

          public ParameterFilterInterceptor()

      Deprecated.

  - ### Method Detail

    - #### intercept

          public String intercept(ActionInvocation invocation)
                           throws Exception

      Deprecated.
      Description copied from class: `AbstractInterceptor`
      Override to handle interception
      Specified by:
        `intercept` in class `AbstractInterceptor`
      Throws:
        `Exception`

    - #### isDefaultBlock

          public boolean isDefaultBlock()

      Deprecated.
      Returns:
        Returns the defaultBlock.

    - #### setDefaultBlock

          public void setDefaultBlock(boolean defaultExclude)

      Deprecated.
      Parameters:
        `defaultExclude` - The defaultExclude to set.

    - #### getBlockedCollection

          public Collection<String> getBlockedCollection()

      Deprecated.
      Returns:
        Returns the blocked.

    - #### setBlockedCollection

          public void setBlockedCollection(Collection<String> blocked)

      Deprecated.
      Parameters:
        `blocked` - The blocked to set.

    - #### setBlocked

          public void setBlocked(String blocked)

      Deprecated.
      Parameters:
        `blocked` - The blocked paramters as comma separated String.

    - #### getAllowedCollection

          public Collection<String> getAllowedCollection()

      Deprecated.
      Returns:
        Returns the allowed.

    - #### setAllowedCollection

          public void setAllowedCollection(Collection<String> allowed)

      Deprecated.
      Parameters:
        `allowed` - The allowed to set.

    - #### setAllowed

          public void setAllowed(String allowed)

      Deprecated.
      Parameters:
        `allowed` - The allowed paramters as comma separated String.

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