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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.tools.jcore;
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26
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27 import sun.jvm.hotspot.oops.*;
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28 import java.util.regex.*;
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29
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30 public class NameFilter implements ClassFilter
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31 {
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32 public Pattern includePattern;
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33
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34 public NameFilter() {
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35 this(System.getProperty("sun.jvm.hotspot.tools.jcore.NameFilter.pattern"));
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36 }
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37
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38 public NameFilter(String pattern) {
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39 if (pattern == null) pattern = "*";
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40 includePattern = Pattern.compile(pattern);
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41 }
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42
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43 public boolean canInclude(InstanceKlass kls) {
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44 String klassName = kls.getName().asString().replace('/', '.');
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45 Matcher m = includePattern.matcher(klassName);
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46 return m.matches();
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47 }
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48 }
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