1 /* 2 * Copyright (c) 2015, 2016, 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 package jdk.test.lib.dcmd; 25 26 import jdk.test.lib.JDKToolFinder; 27 import jdk.test.lib.process.OutputAnalyzer; 28 import jdk.test.lib.process.ProcessTools; 29 30 import java.util.List; 31 32 /** 33 * Base class for Diagnostic Command Executors using the jcmd tool 34 */ 35 public abstract class JcmdExecutor extends CommandExecutor { 36 protected String jcmdBinary; 37 38 protected abstract List<String> createCommandLine(String cmd) throws CommandExecutorException; 39 40 protected JcmdExecutor() { 41 jcmdBinary = JDKToolFinder.getJDKTool("jcmd"); 42 } 43 44 protected OutputAnalyzer executeImpl(String cmd) throws CommandExecutorException { 45 List<String> commandLine = createCommandLine(cmd); 46 47 try { 48 System.out.printf("Executing command '%s'%n", commandLine); 49 OutputAnalyzer output = ProcessTools.executeProcess(new ProcessBuilder(commandLine)); 50 System.out.printf("Command returned with exit code %d%n", output.getExitValue()); 51 52 return output; 53 } catch (Exception e) { 54 String message = String.format("Caught exception while executing '%s'", commandLine); 55 throw new CommandExecutorException(message, e); 56 } 57 } 58 }