Java 从给定的合格参考值中提取库名称空间。
从给定的合格参考值中提取库名称空间。
实例源码：
源代码：
执行
执行中...
x
1
/** n o w j a v a . c o m 提 供 **/2
3
/*******************************************************************************4
5
* Copyright (c) 2004 Actuate Corporation.6
7
* All rights reserved. This program and the accompanying materials8
9
* are made available under the terms of the Eclipse Public License v1.010
11
* which accompanies this distribution, and is available at12
13
* http://www.eclipse.org/legal/epl-v10.html14
15
*16
17
* Contributors:18
19
* Actuate Corporation - initial API and implementation20
21
*******************************************************************************/22
23
24
25
public class Main{26
27
public static void main(String[] argv){28
29
String qualifiedName = "nowjava.com";30
31
System.out.println(extractNamespace(qualifiedName));32
33
}34
35
/**36
37
* Extracts the library namespace from the given qualified reference value.38
39
* <p>40
41
* For example,42
43
* <ul>44
45
* <li>"LibA" is extracted from "LibA.style1"46
47
* <li>null is returned from "style1"48
49
* </ul>50
51
* 52
53
* @param qualifiedName54
55
* the qualified reference value56
57
* @return the library namespace58
59
*/60
61
62
public static String extractNamespace(String qualifiedName) {63
64
if (qualifiedName == null)65
66
return null;67
68
69
int pos = qualifiedName.indexOf('.');70
71
if (pos == -1)72
73
return null;74
75
76
return trimString(qualifiedName.substring(0, pos));77
/* 78
*来 自79
时代Java80
*/81
82
}83
84
/**85
86
* Trim a string. Removes leading and trailing blanks. If the resulting87
88
* string is empty, normalizes the string to an null string.89
90
* 91
92
* @param value93
94
* the string to trim95
/**代码未完, 请加载全部代码(NowJava.com).**/执行结果：
本文系作者在时代Java发表，未经许可，不得转载。如有侵权，请联系nowjava@qq.com删除。
编辑于
关注时代Java