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

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

Method Detail

toClient

String toClient(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(Class<T> requiredType,
              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)