src/share/classes/com/sun/tools/javac/Server.java

changeset 1661
cfb65ca92082
parent 1590
011cf7e0a148
equal deleted inserted replaced
1633:35cef52b0023 1661:cfb65ca92082
1 /*
2 * Copyright (c) 2005, 2012, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.javac;
27
28 import java.io.*;
29 import java.net.*;
30 import java.util.*;
31 import java.util.concurrent.*;
32 import java.util.logging.Logger;
33 import javax.tools.*;
34
35 /**
36 * Java Compiler Server. Can be used to speed up a set of (small)
37 * compilation tasks by caching jar files between compilations.
38 *
39 * <p><b>This is NOT part of any supported API.
40 * If you write code that depends on this, you do so at your own
41 * risk. This code and its internal interfaces are subject to change
42 * or deletion without notice.</b></p>
43 *
44 * @author Peter von der Ah&eacute;
45 * @since 1.6
46 */
47 @jdk.Supported(false)
48 class Server implements Runnable {
49 private final BufferedReader in;
50 private final OutputStream out;
51 private final boolean isSocket;
52 private static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
53 private static final Logger logger = Logger.getLogger("com.sun.tools.javac");
54 static class CwdFileManager extends ForwardingJavaFileManager<JavaFileManager> {
55 String cwd;
56 CwdFileManager(JavaFileManager fileManager) {
57 super(fileManager);
58 }
59 String getAbsoluteName(String name) {
60 if (new File(name).isAbsolute()) {
61 return name;
62 } else {
63 return new File(cwd,name).getPath();
64 }
65 }
66 // public JavaFileObject getFileForInput(String name)
67 // throws IOException
68 // {
69 // return super.getFileForInput(getAbsoluteName(name));
70 // }
71 }
72 // static CwdFileManager fm = new CwdFileManager(tool.getStandardFileManager());
73 static final StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
74 static {
75 // Use the same file manager for all compilations. This will
76 // cache jar files in the standard file manager. Use
77 // tool.getStandardFileManager().close() to release.
78 // FIXME tool.setFileManager(fm);
79 logger.setLevel(java.util.logging.Level.SEVERE);
80 }
81 private Server(BufferedReader in, OutputStream out, boolean isSocket) {
82 this.in = in;
83 this.out = out;
84 this.isSocket = isSocket;
85 }
86 private Server(BufferedReader in, OutputStream out) {
87 this(in, out, false);
88 }
89 private Server(Socket socket) throws IOException, UnsupportedEncodingException {
90 this(new BufferedReader(new InputStreamReader(socket.getInputStream(), "utf-8")),
91 socket.getOutputStream(),
92 true);
93 }
94 public void run() {
95 List<String> args = new ArrayList<String>();
96 int res = -1;
97 try {
98 String line = null;
99 try {
100 line = in.readLine();
101 } catch (IOException e) {
102 System.err.println(e.getLocalizedMessage());
103 System.exit(0);
104 line = null;
105 }
106 // fm.cwd=null;
107 String cwd = null;
108 while (line != null) {
109 if (line.startsWith("PWD:")) {
110 cwd = line.substring(4);
111 } else if (line.equals("END")) {
112 break;
113 } else if (!"-XDstdout".equals(line)) {
114 args.add(line);
115 }
116 try {
117 line = in.readLine();
118 } catch (IOException e) {
119 System.err.println(e.getLocalizedMessage());
120 System.exit(0);
121 line = null;
122 }
123 }
124 Iterable<File> path = cwd == null ? null : Arrays.<File>asList(new File(cwd));
125 // try { in.close(); } catch (IOException e) {}
126 long msec = System.currentTimeMillis();
127 try {
128 synchronized (tool) {
129 for (StandardLocation location : StandardLocation.values())
130 fm.setLocation(location, path);
131 res = compile(out, fm, args);
132 // FIXME res = tool.run((InputStream)null, null, out, args.toArray(new String[args.size()]));
133 }
134 } catch (Throwable ex) {
135 logger.log(java.util.logging.Level.SEVERE, args.toString(), ex);
136 PrintWriter p = new PrintWriter(out, true);
137 ex.printStackTrace(p);
138 p.flush();
139 }
140 if (res >= 3) {
141 logger.severe(String.format("problem: %s", args));
142 } else {
143 logger.info(String.format("success: %s", args));
144 }
145 // res = compile(args.toArray(new String[args.size()]), out);
146 msec -= System.currentTimeMillis();
147 logger.info(String.format("Real time: %sms", -msec));
148 } finally {
149 if (!isSocket) {
150 try { in.close(); } catch (IOException e) {}
151 }
152 try {
153 out.write(String.format("EXIT: %s%n", res).getBytes());
154 } catch (IOException ex) {
155 logger.log(java.util.logging.Level.SEVERE, args.toString(), ex);
156 }
157 try {
158 out.flush();
159 out.close();
160 } catch (IOException ex) {
161 logger.log(java.util.logging.Level.SEVERE, args.toString(), ex);
162 }
163 logger.info(String.format("EXIT: %s", res));
164 }
165 }
166 public static void main(String... args) throws FileNotFoundException {
167 if (args.length == 2) {
168 for (;;) {
169 throw new UnsupportedOperationException("TODO");
170 // BufferedReader in = new BufferedReader(new FileReader(args[0]));
171 // PrintWriter out = new PrintWriter(args[1]);
172 // new Server(in, out).run();
173 // System.out.flush();
174 // System.err.flush();
175 }
176 } else {
177 ExecutorService pool = Executors.newCachedThreadPool();
178 try
179 {
180 ServerSocket socket = new ServerSocket(0xcafe, -1, null);
181 for (;;) {
182 pool.execute(new Server(socket.accept()));
183 }
184 }
185 catch (IOException e) {
186 System.err.format("Error: %s%n", e.getLocalizedMessage());
187 pool.shutdown();
188 }
189 }
190 }
191
192 private int compile(OutputStream out, StandardJavaFileManager fm, List<String> args) {
193 // FIXME parse args and use getTask
194 // System.err.println("Running " + args);
195 return tool.run(null, null, out, args.toArray(new String[args.size()]));
196 }
197 }

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