1 /*
2  * Copyright (c) 2002, 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.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 package sun.jvm.hotspot.tools.jcore;
26 
27 import sun.jvm.hotspot.oops.*;
28 import java.util.regex.*;
29 
30 public class NameFilter implements ClassFilter
31 {
32     public Pattern includePattern;
33 
NameFilter()34     public NameFilter() {
35         this(System.getProperty("sun.jvm.hotspot.tools.jcore.NameFilter.pattern"));
36     }
37 
NameFilter(String pattern)38     public NameFilter(String pattern) {
39         if (pattern == null) pattern = "*";
40         includePattern = Pattern.compile(pattern);
41     }
42 
canInclude(InstanceKlass kls)43     public boolean canInclude(InstanceKlass kls) {
44         String klassName = kls.getName().asString().replace('/', '.');
45         Matcher m = includePattern.matcher(klassName);
46         return m.matches();
47     }
48 }
49