1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* 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 write events when using non-blocking IO.
*
* @since Servlet 3.1
*/
public interface WriteListener extends java.util.EventListener {
/**
* Invoked when it it possible to write data without blocking. The container will invoke this method the first time
* for a request as soon as data can be written. Subsequent invocations will only occur if a call to
* {@link ServletOutputStream#isReady()} has returned false and it has since become possible to write data.
*
* @throws IOException if an I/O error occurs while processing this event
*/
void onWritePossible() throws IOException;
/**
* Invoked if an error occurs while writing the response.
*
* @param throwable The throwable that represents the error that occurred
*/
void onError(Throwable throwable);
}
|
