1 /*
   2  * Copyright (c) 2017, 2018, 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 
  25 
  26 package jdk.tools.jaotc.collect.directory;
  27 
  28 import jdk.tools.jaotc.collect.ClassSource;
  29 import jdk.tools.jaotc.collect.FileSupport;
  30 import jdk.tools.jaotc.collect.SearchPath;
  31 import jdk.tools.jaotc.collect.SourceProvider;
  32 
  33 import java.net.MalformedURLException;
  34 import java.nio.file.FileSystem;
  35 import java.nio.file.FileSystems;
  36 import java.nio.file.Path;
  37 
  38 public final class DirectorySourceProvider implements SourceProvider {
  39     private final FileSupport fileSupport;
  40     private final FileSystem fileSystem;
  41     public static final String TYPE = "directory";
  42 
  43     public DirectorySourceProvider(FileSupport fileSupport) {
  44         this.fileSupport = fileSupport;
  45         fileSystem = FileSystems.getDefault();
  46     }
  47 
  48     @Override
  49     public ClassSource findSource(String name, SearchPath searchPath) {
  50         Path directoryPath = fileSystem.getPath(name);
  51 
  52         if (!fileSupport.exists(directoryPath)) {
  53             return null;
  54         }
  55         if (!fileSupport.isDirectory(directoryPath)) {
  56             return null;
  57         }
  58 
  59         try {
  60             ClassLoader classLoader = fileSupport.createClassLoader(directoryPath);
  61             return new DirectorySource(directoryPath, classLoader);
  62         } catch (MalformedURLException e) {
  63             return null;
  64         }
  65     }
  66 
  67     @Override
  68     public boolean supports(String type) {
  69         return TYPE.equals(type);
  70     }
  71 }