1 /*
   2  * Copyright (c) 2013, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package sun.hotspot.tools.ctw;
  25 
  26 import java.io.BufferedReader;
  27 import java.io.IOException;
  28 import java.nio.charset.StandardCharsets;
  29 import java.nio.file.Files;
  30 import java.nio.file.Path;
  31 import java.util.concurrent.Executor;
  32 
  33 /**
  34  * Handler for files containing a list of classes to compile.
  35  *
  36  * @author igor.ignatyev@oracle.com
  37  */
  38 public class ClassesListInFile extends PathHandler {
  39     public ClassesListInFile(Path root, Executor executor) {
  40         super(root, executor);
  41     }
  42 
  43     @Override
  44     public void process() {
  45         System.out.println("# list: " + root);
  46         if (!Files.exists(root)) {
  47             return;
  48         }
  49         try {
  50             try (BufferedReader reader = Files.newBufferedReader(root,
  51                     StandardCharsets.UTF_8)) {
  52                 String line;
  53                 while (!isFinished() && ((line = reader.readLine()) != null)) {
  54                     processClass(line);
  55                 }
  56             }
  57         } catch (IOException e) {
  58             e.printStackTrace();
  59         }
  60     }
  61 }