1/* 2 * Copyright (c) 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. 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 */ 23package common; 24 25import java.io.BufferedReader; 26import java.io.IOException; 27import java.io.StringReader; 28import java.util.ArrayList; 29import java.util.LinkedList; 30import java.util.List; 31import java.util.StringTokenizer; 32import jdk.test.lib.process.OutputAnalyzer; 33import jdk.test.lib.process.ProcessTools; 34 35/** 36 * This class starts a process specified by the passed command line waits till 37 * the process completes and returns the process exit code and stdout and stderr 38 * output as ToolResults 39 */ 40class ToolRunner { 41 42 private final List<String> cmdArgs = new LinkedList<>(); 43 44 ToolRunner(String cmdLine) { 45 StringTokenizer st = new StringTokenizer(cmdLine); 46 while (st.hasMoreTokens()) { 47 cmdArgs.add(st.nextToken()); 48 } 49 } 50 51 /** 52 * Starts the process, waits for the process completion and returns the 53 * results 54 * 55 * @return process results 56 * @throws Exception if anything goes wrong 57 */ 58 ToolResults runToCompletion() throws Exception { 59 60 ProcessBuilder pb = new ProcessBuilder(cmdArgs); 61 OutputAnalyzer oa = ProcessTools.executeProcess(pb); 62 63 return new ToolResults(oa.getExitValue(), 64 stringToList(oa.getStdout()), 65 stringToList(oa.getStderr())); 66 67 } 68 69 private static List<String> stringToList(String s) throws IOException { 70 BufferedReader reader = new BufferedReader(new StringReader(s)); 71 List<String> strings = new ArrayList<>(); 72 for (String line = reader.readLine(); line != null; line = reader.readLine()) { 73 strings.add(line); 74 } 75 reader.close(); 76 return strings; 77 } 78} 79