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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999 by Sun Microsystems, Inc.
* All rights reserved.
*
*/
// AttributeString.java: Model an Attribute value string.
// Author: James Kempf
// Created On: Wed Apr 8 10:40:03 1998
// Last Modified By: James Kempf
// Last Modified On: Wed Jul 29 15:21:32 1998
// Update Count: 16
//
package com.sun.slp;
import java.util.*;
import java.io.*;
/**
* The AttributeString class embodies the SLP lower cased, space compressed
* string matching rules. It precomputes an
* efficient string for matching, squeezing out whitespace and lower casing.
* The toString() method returns the original string. Note that it does
* NOT handle pattern wildcard matching.
*
* @author James Kempf
*/
class AttributeString extends Object {
String string; // the original string.
String cstring; // whitespace separated, lower cased parts.
Locale locale; // the locale in which this string was created.
// Create an attribute string. Use the passed in locale to determine
// the lower casing rules.
AttributeString(String str, Locale nlocale) {
string = str;
locale = nlocale;
cstring = parse(str, nlocale);
}
// Parse the string into whitespace separated, lower cased parts.
private String parse(String str, Locale nlocale) {
StringBuffer buf = new StringBuffer();
StringTokenizer tk =
new StringTokenizer(str, ServiceLocationAttribute.WHITESPACE);
while (tk.hasMoreTokens()) {
buf.append(tk.nextToken().toLowerCase(nlocale));
buf.append(ServiceLocationAttribute.SPACE);
}
return buf.toString().trim();
}
//
// Comparison operations.
//
// For compatibility with AttributePattern.
public boolean match(AttributeString str) {
return equals(str);
}
public boolean lessEqual(AttributeString str) {
return (cstring.compareTo(str.cstring) <= 0);
}
public boolean greaterEqual(AttributeString str) {
return (cstring.compareTo(str.cstring) >= 0);
}
//
// Object overrides.
//
/**
* Return true if obj pattern matches with this string.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof AttributeString)) {
return false;
}
return cstring.equals(((AttributeString)obj).cstring);
}
/**
* Return the original string.
*/
public String toString() {
return string;
}
/**
* Hash on the computed string.
*/
public int hashCode() {
return cstring.toString().hashCode();
}
}
|
