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1 /*
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 */
24
25 package java.net.http;
26
27 import java.nio.ByteBuffer;
28
29 /**
30 * Implemented by buffer pools. A buffer pool has a current buffer size
31 * (number of bytes in each buffer) which may increase over time.
32 */
33 interface BufferHandler {
34
35 default ByteBuffer getBuffer() {
36 return getBuffer(-1);
37 }
38
39 void setMinBufferSize(int size);
40
41 /**
42 * size == -1 means return any sized buffer. Any other value means
43 * @param size
44 * @return
45 */
46 ByteBuffer getBuffer(int size);
47
48 void returnBuffer(ByteBuffer buffer);
49 }
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