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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.net; | 5 package org.chromium.net.impl; |
6 | 6 |
7 import java.nio.ByteBuffer; | 7 import java.nio.ByteBuffer; |
8 | 8 |
9 /** | 9 /** |
10 * {@hide only used by internal implementation.} | 10 * Utility class to check preconditions. |
11 */ | 11 */ |
12 public final class Preconditions { | 12 public final class Preconditions { |
13 private Preconditions() {} | 13 private Preconditions() {} |
14 | 14 |
15 public static void checkDirect(ByteBuffer buffer) { | 15 static void checkDirect(ByteBuffer buffer) { |
16 if (!buffer.isDirect()) { | 16 if (!buffer.isDirect()) { |
17 throw new IllegalArgumentException("byteBuffer must be a direct Byte
Buffer."); | 17 throw new IllegalArgumentException("byteBuffer must be a direct Byte
Buffer."); |
18 } | 18 } |
19 } | 19 } |
20 | 20 |
21 public static void checkHasRemaining(ByteBuffer buffer) { | 21 static void checkHasRemaining(ByteBuffer buffer) { |
22 if (!buffer.hasRemaining()) { | 22 if (!buffer.hasRemaining()) { |
23 throw new IllegalArgumentException("ByteBuffer is already full."); | 23 throw new IllegalArgumentException("ByteBuffer is already full."); |
24 } | 24 } |
25 } | 25 } |
26 } | 26 } |
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