org.glassfish.grizzly.WriteHandler Maven / Gradle / Ivy
/*
* Copyright (c) 2011, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.grizzly;
/**
* Callback notification mechanism that signals the developer it's possible to write content.
*
* @since 2.2
*/
public interface WriteHandler {
/**
* This callback will be invoked when the requirements as dictated by writer are met.
*
* @throws Exception {@link Exception} might be thrown by the custom handler code. This exception will be delegated for
* processing to {@link #onError(java.lang.Throwable)}.
*/
void onWritePossible() throws Exception;
/**
* Invoked when an error occurs processing the request asynchronously.
*
* @param t cause of error
*/
void onError(final Throwable t);
}