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 package jdk.tools.jaotc.collect.classname;
  24 
  25 import jdk.tools.jaotc.collect.ClassSource;
  26 import jdk.tools.jaotc.collect.FileSupport;
  27 import jdk.tools.jaotc.collect.SearchPath;
  28 import jdk.tools.jaotc.collect.SourceProvider;
  29 
  30 import java.nio.file.Path;
  31 import java.nio.file.Paths;
  32 
  33 public class ClassNameSourceProvider implements SourceProvider {
  34     public final static String TYPE = "classname";
  35     private final ClassLoader classLoader;
  36 
  37     public ClassNameSourceProvider(FileSupport fileSupport) {
  38         String classPath = System.getProperty("java.class.path");
  39         ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
  40         if (classPath != null && !classPath.isEmpty()) {
  41             classLoader = systemClassLoader;
  42         } else {
  43             Path path = Paths.get(".").toAbsolutePath();
  44             classLoader = fileSupport.createClassLoader(path, systemClassLoader);
  45         }
  46     }
  47 
  48     @Override
  49     public ClassSource findSource(String name, SearchPath searchPath) {
  50         try {
  51             classLoader.loadClass(name);
  52             return new ClassNameSource(name, classLoader);
  53         } catch (ClassNotFoundException e) {
  54             return null;
  55         }
  56     }
  57 
  58     @Override
  59     public boolean supports(String type) {
  60         return TYPE.equals(type);
  61     }
  62 }