| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package javax.servlet; |
| |
| import java.io.IOException; |
| |
| /** |
| * Receives notification of read events when using non-blocking IO. |
| * |
| * @since Servlet 3.1 |
| */ |
| public interface ReadListener extends java.util.EventListener{ |
| |
| /** |
| * Invoked when data is available to read. The container will invoke this |
| * method the first time for a request as soon as there is data to read. |
| * Subsequent invocations will only occur if a call to |
| * {@link ServletInputStream#isReady()} has returned false and data has |
| * subsequently become available to read. |
| * |
| * @throws IOException id an I/O error occurs while processing the event |
| */ |
| public abstract void onDataAvailable() throws IOException; |
| |
| /** |
| * Invoked when the request body has been fully read. |
| * |
| * @throws IOException id an I/O error occurs while processing the event |
| */ |
| public abstract void onAllDataRead() throws IOException; |
| |
| /** |
| * Invoked if an error occurs while reading the request body. |
| * |
| * @param throwable The exception that occurred |
| */ |
| public abstract void onError(java.lang.Throwable throwable); |
| } |