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93 lines
3.6 KiB
Java
93 lines
3.6 KiB
Java
/*
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* Copyright (c) 2014, 2022, 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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 javacserver.server;
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import java.io.IOException;
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import java.io.PrintStream;
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import javacserver.Log;
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import javacserver.Result;
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import javacserver.server.log.LazyInitFileLog;
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import javacserver.server.log.LoggingOutputStream;
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import static javacserver.Log.Level.ERROR;
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import static javacserver.Log.Level.INFO;
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/**
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* <p><b>This is NOT part of any supported API.
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* If you write code that depends on this, you do so at your own risk.
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* This code and its internal interfaces are subject to change or
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* deletion without notice.</b>
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*/
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public class ServerMain {
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// For logging server internal (non request specific) errors.
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private static LazyInitFileLog errorLog;
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public static int run(String[] args) {
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// Under normal operation, all logging messages generated server-side
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// are due to compilation requests. These logging messages should
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// be relayed back to the requesting client rather than written to the
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// server log. The only messages that should be written to the server
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// log (in production mode) should be errors,
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Log.setLogForCurrentThread(errorLog = new LazyInitFileLog("server.log"));
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Log.setLogLevel(ERROR); // should be set to ERROR.
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// Make sure no exceptions go under the radar
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Thread.setDefaultUncaughtExceptionHandler((t, e) -> {
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Log.setLogForCurrentThread(errorLog);
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Log.error(e);
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});
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// Inevitably someone will try to print messages using System.{out,err}.
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// Make sure this output also ends up in the log.
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System.setOut(new PrintStream(new LoggingOutputStream(System.out, INFO, "[stdout] ")));
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System.setErr(new PrintStream(new LoggingOutputStream(System.err, ERROR, "[stderr] ")));
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// Any options other than --startserver?
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if (args.length > 1) {
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Log.error("When spawning a background server, only a single --startserver argument is allowed.");
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return Result.CMDERR.exitCode;
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}
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int exitCode;
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try {
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SjavacServer server = new SjavacServer(args[0]);
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exitCode = server.startServer();
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} catch (IOException | InterruptedException ex) {
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ex.printStackTrace();
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exitCode = Result.ERROR.exitCode;
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}
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return exitCode;
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}
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public static LazyInitFileLog getErrorLog() {
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return errorLog;
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}
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}
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