http://www.jboss.org/undertow-parent/undertow-core: Undertow (JBoss by Red Hat) 
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 *
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package io.undertow.server;

import io.undertow.util.AttachmentKey;


Listener interface for default response handlers. These are handlers that generate default content
such as error pages.

Author:Stuart Douglas
/**
 * Listener interface for default response handlers. These are handlers that generate default content
 * such as error pages.
 *
 * @author Stuart Douglas
 */
public interface DefaultResponseListener {

    
If the default response listener was invoked as a result of an exception being thrown
then the exception will be available under this attachment key.

/**
     * If the default response listener was invoked as a result of an exception being thrown
     * then the exception will be available under this attachment key.
     */
    AttachmentKey<Throwable> EXCEPTION = AttachmentKey.create(Throwable.class);

    
Params:
  • exchange – The exchange
Returns:true if this listener is generating a default response.
/**
     *
     * @param exchange The exchange
     * @return true if this listener is generating a default response.
     */
    boolean handleDefaultResponse(final HttpServerExchange exchange);
}