66 lines
2.6 KiB
Java
66 lines
2.6 KiB
Java
/*
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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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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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}
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