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## org.apache.tapestry5.services
Interface ContextValueEncoder

All Known Subinterfaces:
  ComponentPageElementResources

All Known Implementing Classes:
  ComponentPageElementResourcesImpl, ContextValueEncoderImpl

    public interface ContextValueEncoder

Used to convert values used in event contexts to client string representations and back.

See Also:
  `ValueEncoder`, `TypeCoercer`

Method Summary
`java.lang.String` | `toClient(java.lang.Object value)` Converts a context value into a client-side string (that will ultimately be encoded into a URL).
`
`<T> T`
` | `toValue(java.lang.Class<T> requiredType, java.lang.String clientValue)` Converts a client value back into a server-side object.

Method Detail

### toClient

    java.lang.String toClient(java.lang.Object value)

  Converts a context value into a client-side string (that will ultimately be encoded into a URL).

  Parameters:
    `value` - to convert (may not be null)
  Returns:
    string representation of the value
  See Also:
    `ValueEncoder.toClient(Object)`

### toValue

    <T> T toValue(java.lang.Class<T> requiredType,
                  java.lang.String clientValue)

  Converts a client value back into a server-side object.

  Parameters:
    `requiredType` - required type to convert the string to
    `clientValue` - value obtained from context passed from client
  Returns:
    the client value converted or coerced into a server value
  See Also:
    `ValueEncoder.toValue(String)`

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