io.undertow.attribute

Class SubstituteEmptyWrapper.SubstituteEmptyAttribute

java.lang.Object

io.undertow.attribute.SubstituteEmptyWrapper.SubstituteEmptyAttribute

All Implemented Interfaces:

ExchangeAttribute

Enclosing class:

SubstituteEmptyWrapper

public static class SubstituteEmptyWrapper.SubstituteEmptyAttribute
extends Object
implements ExchangeAttribute

Constructor Summary

Constructors

Constructor and Description
SubstituteEmptyAttribute(ExchangeAttribute attribute, String substitute)

Method Summary

Modifier and Type	Method and Description
String	readAttribute(HttpServerExchange exchange) Resolve the attribute from the HTTP server exchange.
void	writeAttribute(HttpServerExchange exchange, String newValue) Sets a new value for the attribute.

Methods inherited from class java.lang.Object

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

Constructor Detail

SubstituteEmptyAttribute

public SubstituteEmptyAttribute(ExchangeAttribute attribute,
                                String substitute)

Method Detail

readAttribute

public String readAttribute(HttpServerExchange exchange)

Description copied from interface: ExchangeAttribute

Resolve the attribute from the HTTP server exchange. This may return null if the attribute is not present.

Specified by:

readAttribute in interface ExchangeAttribute

Parameters:

exchange - The exchange

Returns:

The attribute

writeAttribute

public void writeAttribute(HttpServerExchange exchange,
                           String newValue)
                    throws ReadOnlyAttributeException

Description copied from interface: ExchangeAttribute

Sets a new value for the attribute. Not all attributes are writable.

Specified by:

writeAttribute in interface ExchangeAttribute

Parameters:

exchange - The exchange

newValue - The new value for the attribute

Throws:

ReadOnlyAttributeException - when attribute cannot be written