author | iignatyev |
Mon, 18 Nov 2019 16:03:51 -0800 | |
changeset 59130 | 601b3fe3786d |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2019, 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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package common; |
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|
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import java.nio.file.Files; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.util.Arrays; |
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import java.time.Instant; |
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/** |
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* This class starts a process specified by the passed command line waits till |
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* the process completes and returns the process exit code and stdout and stderr |
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* output as ToolResults |
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*/ |
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class ToolRunner { |
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private final String[] cmdArgs; |
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ToolRunner(String cmdLine) { |
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cmdArgs = cmdLine.split(" +"); |
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} |
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/** |
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* Starts the process, waits for the process completion and returns the |
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* results |
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* |
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* @return process results |
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* @throws Exception if anything goes wrong |
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*/ |
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ToolResults runToCompletion() throws Exception { |
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ProcessBuilder pb = new ProcessBuilder(cmdArgs); |
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Path out = Files.createTempFile(Paths.get("."), "out.", ".txt"); |
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Path err = out.resolveSibling(out.getFileName().toString().replaceFirst("out", "err")); |
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Process p = pb.redirectOutput(ProcessBuilder.Redirect.to(out.toFile())) |
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.redirectError(ProcessBuilder.Redirect.to(err.toFile())) |
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.start(); |
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System.out.printf("[%s] started process %d %s with out/err redirected to '%s' and '%s'%n", |
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Instant.now().toString(), p.pid(), pb.command(), out.toString(), err.toString()); |
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int exitCode = p.waitFor(); |
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System.out.printf("[%s] process %d finished with exit code = %d%n", |
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Instant.now().toString(), p.pid(), exitCode); |
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return new ToolResults(exitCode, Files.readAllLines(out), Files.readAllLines(err)); |
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} |
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} |