ContextValueEncoder (Tapestry API - 5.7.2)乐学网一站式学习平台

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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`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)