org.apache.tapestry5.internal

## Class ZeroNullFieldStrategy

- java.lang.Object
- - org.apache.tapestry5.internal.ZeroNullFieldStrategy

- All Implemented Interfaces:
    NullFieldStrategy

      public class ZeroNullFieldStrategy
      extends Object
      implements NullFieldStrategy

  Treats nulls to or from the client as if they were 0's.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ZeroNullFieldStrategy()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `replaceFromClient()` Returns "0".
    `Object` | `replaceToClient()` Returns the value 0.

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

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

- - ### Constructor Detail

    - #### ZeroNullFieldStrategy

          public ZeroNullFieldStrategy()

  - ### Method Detail

    - #### replaceToClient

          public Object replaceToClient()

      Returns the value 0.
      Specified by:
        `replaceToClient` in interface `NullFieldStrategy`

    - #### replaceFromClient

          public String replaceFromClient()

      Returns "0".
      Specified by:
        `replaceFromClient` in interface `NullFieldStrategy`
      Returns:
        replacement value (this must not be null)

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