1 /* 2 * Copyright (c) 2015, 2018, 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.process.OutputAnalyzer; 27 28 /** 29 * Abstract base class for Diagnostic Command executors 30 */ 31 public abstract class CommandExecutor { 32 33 /** 34 * Execute a diagnostic command 35 * 36 * @param cmd The diagnostic command to execute 37 * @return an {@link jdk.test.lib.process.OutputAnalyzer} encapsulating the output of the command 38 * @throws CommandExecutorException if there is an exception on the "calling side" while trying to execute the 39 * Diagnostic Command. Exceptions thrown on the remote side are available as textual representations in 40 * stderr, regardless of the specific executor used. 41 */ 42 public final OutputAnalyzer execute(String cmd) throws CommandExecutorException { 43 return execute(cmd, false); 44 } 45 46 /** 47 * Execute a diagnostic command 48 * 49 * @param cmd The diagnostic command to execute 50 * @param silent Do not print the command output 51 * @return an {@link jdk.test.lib.process.OutputAnalyzer} encapsulating the output of the command 52 * @throws CommandExecutorException if there is an exception on the "calling side" while trying to execute the 53 * Diagnostic Command. Exceptions thrown on the remote side are available as textual representations in 54 * stderr, regardless of the specific executor used. 55 */ 56 public final OutputAnalyzer execute(String cmd, boolean silent) throws CommandExecutorException { 57 if (!silent) { 58 System.out.printf("Running DCMD '%s' through '%s'%n", cmd, this.getClass().getSimpleName()); 59 } 60 61 OutputAnalyzer oa = executeImpl(cmd); 62 63 if (!silent) { 64 System.out.println("---------------- stdout ----------------"); 65 System.out.println(oa.getStdout()); 66 System.out.println("---------------- stderr ----------------"); 67 System.out.println(oa.getStderr()); 68 System.out.println("----------------------------------------"); 69 System.out.println(); 70 } 71 return oa; 72 } 73 74 protected abstract OutputAnalyzer executeImpl(String cmd) throws CommandExecutorException; 75 }