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-rw-r--r--libjava/gnu/java/rmi/rmic/CompilerProcess.java164
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diff --git a/libjava/gnu/java/rmi/rmic/CompilerProcess.java b/libjava/gnu/java/rmi/rmic/CompilerProcess.java
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--- a/libjava/gnu/java/rmi/rmic/CompilerProcess.java
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-/*
- Copyright (c) 2001, 2003 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package gnu.java.rmi.rmic;
-
-import java.io.InputStream;
-
-/**
- * Subclass of Compiler that can be subclassed to invoke a process to
- * do its work.
- */
-public abstract class CompilerProcess extends Compiler
-{
- /** This is used to compute the command line for the process. */
- public abstract String[] computeArguments (String filename);
-
- /**
- * This is used to compute the command line for the process.
- * Most compilers typically arrange their arguments as in
- * <compiler name and arguments> <optional destination> <filename>.
- * This method builds an argument array out that. It should be used
- * to define computeArguments for those compilers that follow the
- * argument convention described above.
- */
- public static String[] computeTypicalArguments(String[] compilerArgs,
- String destination, String filename)
- {
- return computeTypicalArguments(compilerArgs, null, destination, filename);
- }
- /**
- * This is used to compute the command line for the process.
- * Most compilers typically arrange their arguments as in
- * <compiler name and arguments> <optional destination> <filename>.
- * This method builds an argument array out that. It should be used
- * to define computeArguments for those compilers that follow the
- * argument convention described above.
- */
- public static String[] computeTypicalArguments(String[] compilerArgs,
- String classpath,
- String destination,
- String filename)
- {
- /* length of compiler specific arguments */
- int len = compilerArgs.length;
-
- /* length of returned array of arguments */
- final int arglen = len + (classpath == null ? 0 : 2) +
- (destination == null ? 0 : 2) + 1;
-
- /* Allocate String array for computed arguments. */
- String [] args = new String[arglen];
-
- /* Fill in compiler arguments. */
- System.arraycopy(compilerArgs, 0, args, 0, len);
-
- /* Fill in classpath argument if necessary. */
- if (classpath != null)
- {
- args[len++] = "-classpath";
- args[len++] = classpath;
- }
-
- /* Fill in destination argument if necessary. */
- if (destination != null)
- {
- args[len++] = "-d";
- args[len++] = destination;
- }
-
- /* Fill in filename */
- args[arglen - 1] = filename;
-
- return args;
- }
-
- public void compile (String name) throws Exception
- {
- String[] args = computeArguments (name);
- Process p = Runtime.getRuntime ().exec (args);
-
- /* Print compiler output to System.out. Do this asynchronously so
- that the compiler never blocks writing to its stdout. */
- {
- final InputStream procin = p.getInputStream();
- final Thread copier = new Thread()
- {
- public void run()
- {
- try
- {
- for (int ch = procin.read(); ch != -1; ch = procin.read())
- System.out.print((char) ch);
- }
- catch (java.io.IOException _)
- {
- }
- }
- };
-
- copier.start();
- }
-
- /* Collect compiler error output in a buffer.
- * If compilation fails, it will be used for an error message.
- */
- StringBuffer stderr = new StringBuffer();
- InputStream procerr = p.getErrorStream();
- for (int ch = procerr.read(); ch != -1; ch = procerr.read())
- stderr.append((char) ch);
-
- int result;
- while (true)
- {
- try
- {
- result = p.waitFor ();
- break;
- }
- catch (InterruptedException _)
- {
- }
- }
- if (result != 0)
- {
- // FIXME: wrong exception class.
- throw new Exception ("compiler exited with status: " + result,
- new RMICException(stderr.toString()));
- }
- }
-}