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