Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 package com.sun.tools.javac;

 import java.io.*;

 import java.net.*;

 import java.util.*;

 import java.util.concurrent.*;

 import java.util.logging.Logger;

 import javax.tools.*;

 /**

  * Java Compiler Server.  Can be used to speed up a set of (small)

  * compilation tasks by caching jar files between compilations.

  *

  * <p><b>This is NOT part of any supported API.

  * If you write code that depends on this, you do so at your own

  * risk.  This code and its internal interfaces are subject to change

  * or deletion without notice.</b></p>

  *

  * @author Peter von der Ahé

  * @since 1.6

  */

 class Server implements Runnable {

     private final BufferedReader in;

     private final OutputStream out;

     private final boolean isSocket;

     private static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

     private static final Logger logger = Logger.getLogger("com.sun.tools.javac");

     static class CwdFileManager extends ForwardingJavaFileManager<JavaFileManager> {

         String cwd;

         CwdFileManager(JavaFileManager fileManager) {

             super(fileManager);

         }

         String getAbsoluteName(String name) {

             if (new File(name).isAbsolute()) {

                 return name;

             } else {

                 return new File(cwd,name).getPath();

             }

         }

 //      public JavaFileObject getFileForInput(String name)

 //          throws IOException

 //      {

 //          return super.getFileForInput(getAbsoluteName(name));

 //      }

     }

     // static CwdFileManager fm = new CwdFileManager(tool.getStandardFileManager());

     static final StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);

     static {

         // Use the same file manager for all compilations.  This will

         // cache jar files in the standard file manager.  Use

         // tool.getStandardFileManager().close() to release.

         // FIXME tool.setFileManager(fm);

         logger.setLevel(java.util.logging.Level.SEVERE);

     }

     private Server(BufferedReader in, OutputStream out, boolean isSocket) {

         this.in = in;

         this.out = out;

         this.isSocket = isSocket;

     }

     private Server(BufferedReader in, OutputStream out) {

         this(in, out, false);

     }

     private Server(Socket socket) throws IOException, UnsupportedEncodingException {

         this(new BufferedReader(new InputStreamReader(socket.getInputStream(), "utf-8")),

              socket.getOutputStream(),

              true);

     }

     public void run() {

         List<String> args = new ArrayList<String>();

         int res = -1;

         try {

             String line = null;

             try {

                 line = in.readLine();

             } catch (IOException e) {

                 System.err.println(e.getLocalizedMessage());

                 System.exit(0);

                 line = null;

             }

             // fm.cwd=null;

             String cwd = null;

             while (line != null) {

                 if (line.startsWith("PWD:")) {

                     cwd = line.substring(4);

                 } else if (line.equals("END")) {

                     break;

                 } else if (!"-XDstdout".equals(line)) {

                     args.add(line);

                 }

                 try {

                     line = in.readLine();

                 } catch (IOException e) {

                     System.err.println(e.getLocalizedMessage());

                     System.exit(0);

                     line = null;

                 }

             }

             Iterable<File> path = cwd == null ? null : Arrays.<File>asList(new File(cwd));

             // try { in.close(); } catch (IOException e) {}

             long msec = System.currentTimeMillis();

             try {

                 synchronized (tool) {

                     for (StandardLocation location : StandardLocation.values())

                         fm.setLocation(location, path);

                     res = compile(out, fm, args);

                     // FIXME res = tool.run((InputStream)null, null, out, args.toArray(new String[args.size()]));

                 }

             } catch (Throwable ex) {

                 logger.log(java.util.logging.Level.SEVERE, args.toString(), ex);

                 PrintWriter p = new PrintWriter(out, true);

                 ex.printStackTrace(p);

                 p.flush();

             }

             if (res >= 3) {

                 logger.severe(String.format("problem: %s", args));

             } else {

                 logger.info(String.format("success: %s", args));

             }

             // res = compile(args.toArray(new String[args.size()]), out);

             msec -= System.currentTimeMillis();

             logger.info(String.format("Real time: %sms", -msec));

         } finally {

             if (!isSocket) {

                 try { in.close(); } catch (IOException e) {}

             }

             try {

                 out.write(String.format("EXIT: %s%n", res).getBytes());

             } catch (IOException ex) {

                 logger.log(java.util.logging.Level.SEVERE, args.toString(), ex);

             }

             try {

                 out.flush();

                 out.close();

             } catch (IOException ex) {

                 logger.log(java.util.logging.Level.SEVERE, args.toString(), ex);

             }

             logger.info(String.format("EXIT: %s", res));

         }

     }

     public static void main(String... args) throws FileNotFoundException {

         if (args.length == 2) {

             for (;;) {

                 throw new UnsupportedOperationException("TODO");

 //              BufferedReader in = new BufferedReader(new FileReader(args[0]));

 //              PrintWriter out = new PrintWriter(args[1]);

 //              new Server(in, out).run();

 //              System.out.flush();

 //              System.err.flush();

             }

         } else {

             ExecutorService pool = Executors.newCachedThreadPool();

             try

                 {

                 ServerSocket socket = new ServerSocket(0xcafe, -1, null);

                 for (;;) {

                     pool.execute(new Server(socket.accept()));

                 }

             }

             catch (IOException e) {

                 System.err.format("Error: %s%n", e.getLocalizedMessage());

                 pool.shutdown();

             }

         }

     }

     private int compile(OutputStream out, StandardJavaFileManager fm, List<String> args) {

         // FIXME parse args and use getTask

         // System.err.println("Running " + args);

         return tool.run(null, null, out, args.toArray(new String[args.size()]));

     }

 }