1 /* 2 * Copyright (c) 2014, 2015, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 import java.util.Arrays; 27 28 import jdk.testlibrary.JDKToolLauncher; 29 import jdk.testlibrary.OutputAnalyzer; 30 import jdk.testlibrary.ProcessTools; 31 32 /** 33 * The helper class for running jinfo utility. 34 */ 35 public final class JInfoHelper { 36 37 /** 38 * Print configuration information for the current process 39 * 40 * @param toolArgs List of jinfo options 41 */ 42 public static OutputAnalyzer jinfo(String... toolArgs) throws Exception { 43 return jinfo(true, toolArgs); 44 } 45 46 /** 47 * Print usage information 48 * 49 * @param toolArgs List of jinfo options 50 */ 51 public static OutputAnalyzer jinfoNoPid(String... toolArgs) throws Exception { 52 return jinfo(false, toolArgs); 53 } 54 55 private static OutputAnalyzer jinfo(boolean toPid, String... toolArgs) throws Exception { 56 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jinfo"); 57 if (toolArgs != null) { 58 for (String toolArg : toolArgs) { 59 launcher.addToolArg(toolArg); 60 } 61 } 62 if (toPid) { 63 launcher.addToolArg(Long.toString(ProcessTools.getProcessId())); 64 } 65 66 ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand()); 67 System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); 68 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 69 System.out.println(output.getOutput()); 70 71 return output; 72 } 73 74 }