javax.ws.rs.ext
Interface RuntimeDelegate.HeaderDelegate<T>

Type Parameters:

T - a JAX-RS type that corresponds to the value of a HTTP header.

Enclosing class:

RuntimeDelegate

public static interface RuntimeDelegate.HeaderDelegate<T>

Defines the contract for a delegate that is responsible for converting between the String form of a HTTP header and the corresponding JAX-RS type T.

Providers implementing HeaderDelegate contract must be either programmatically registered in a JAX-RS runtime or must be annotated with @Provider annotation to be automatically discovered by the JAX-RS runtime during a provider scanning phase.

Method Summary

T	fromString(java.lang.String value) Parse the supplied value and create an instance of T.
java.lang.String	toString(T value) Convert the supplied value to a String.

Method Detail

fromString

T fromString(java.lang.String value)
             throws java.lang.IllegalArgumentException

Parse the supplied value and create an instance of T.

Parameters:

value - the string value.

Returns:

the newly created instance of T.

Throws:

java.lang.IllegalArgumentException - if the supplied string cannot be parsed or is null.

toString

java.lang.String toString(T value)
                          throws java.lang.IllegalArgumentException

Convert the supplied value to a String.

Parameters:

value - the value of type T.

Returns:

a String representation of the value.

Throws:

java.lang.IllegalArgumentException - if the supplied object cannot be serialized or is null.