6c1b243c0e
Adding VM.dynlibs as a dcmd to dump all loaded dynamic libraries. Reviewed-by: sla, fparain, mgronlun, dsamersoff
74 lines
2.6 KiB
Java
74 lines
2.6 KiB
Java
/*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import sun.management.ManagementFactoryHelper;
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import com.sun.management.DiagnosticCommandMBean;
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public class DcmdUtil
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{
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public static String executeDcmd(String cmd, String ... args) {
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DiagnosticCommandMBean dcmd = ManagementFactoryHelper.getDiagnosticCommandMBean();
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Object[] dcmdArgs = {args};
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String[] signature = {String[].class.getName()};
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try {
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System.out.print("> " + cmd + " ");
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for (String s : args) {
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System.out.print(s + " ");
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}
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System.out.println(":");
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String result = (String) dcmd.invoke(transform(cmd), dcmdArgs, signature);
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System.out.println(result);
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return result;
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} catch(Exception ex) {
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ex.printStackTrace();
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}
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return null;
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}
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private static String transform(String name) {
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StringBuilder sb = new StringBuilder();
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boolean toLower = true;
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boolean toUpper = false;
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for (int i = 0; i < name.length(); i++) {
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char c = name.charAt(i);
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if (c == '.' || c == '_') {
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toLower = false;
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toUpper = true;
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} else {
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if (toUpper) {
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toUpper = false;
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sb.append(Character.toUpperCase(c));
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} else if(toLower) {
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sb.append(Character.toLowerCase(c));
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} else {
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sb.append(c);
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}
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}
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}
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return sb.toString();
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}
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}
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