blob: 603f786166fad10560670eec5d045f7e64a6bbd9 (
plain) (
blame)
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util;
import java.nio.ByteBuffer;
import java.util.Set;
/* ------------------------------------------------------------ */
/** A Trie String lookup data structure.
* @param <V> the Trie entry type
*/
public interface Trie<V>
{
/* ------------------------------------------------------------ */
/** Put and entry into the Trie
* @param s The key for the entry
* @param v The value of the entry
* @return True if the Trie had capacity to add the field.
*/
public boolean put(String s, V v);
/* ------------------------------------------------------------ */
/** Put a value as both a key and a value.
* @param v The value and key
* @return True if the Trie had capacity to add the field.
*/
public boolean put(V v);
/* ------------------------------------------------------------ */
public V remove(String s);
/* ------------------------------------------------------------ */
/** Get and exact match from a String key
* @param s The key
* @return the value for the string key
*/
public V get(String s);
/* ------------------------------------------------------------ */
/** Get and exact match from a String key
* @param s The key
* @param offset The offset within the string of the key
* @param len the length of the key
* @return the value for the string / offset / length
*/
public V get(String s,int offset,int len);
/* ------------------------------------------------------------ */
/** Get and exact match from a segment of a ByteBuufer as key
* @param b The buffer
* @return The value or null if not found
*/
public V get(ByteBuffer b);
/* ------------------------------------------------------------ */
/** Get and exact match from a segment of a ByteBuufer as key
* @param b The buffer
* @param offset The offset within the buffer of the key
* @param len the length of the key
* @return The value or null if not found
*/
public V get(ByteBuffer b,int offset,int len);
/* ------------------------------------------------------------ */
/** Get the best match from key in a String.
* @param s The string
* @return The value or null if not found
*/
public V getBest(String s);
/* ------------------------------------------------------------ */
/** Get the best match from key in a String.
* @param s The string
* @param offset The offset within the string of the key
* @param len the length of the key
* @return The value or null if not found
*/
public V getBest(String s,int offset,int len);
/* ------------------------------------------------------------ */
/** Get the best match from key in a byte array.
* The key is assumed to by ISO_8859_1 characters.
* @param b The buffer
* @param offset The offset within the array of the key
* @param len the length of the key
* @return The value or null if not found
*/
public V getBest(byte[] b,int offset,int len);
/* ------------------------------------------------------------ */
/** Get the best match from key in a byte buffer.
* The key is assumed to by ISO_8859_1 characters.
* @param b The buffer
* @param offset The offset within the buffer of the key
* @param len the length of the key
* @return The value or null if not found
*/
public V getBest(ByteBuffer b,int offset,int len);
/* ------------------------------------------------------------ */
public Set<String> keySet();
/* ------------------------------------------------------------ */
public boolean isFull();
/* ------------------------------------------------------------ */
public boolean isCaseInsensitive();
/* ------------------------------------------------------------ */
public void clear();
}
|
