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.jar;
  25 
  26 import jdk.tools.jaotc.collect.ClassSource;
  27 import jdk.tools.jaotc.collect.FileSystemFinder;
  28 
  29 import java.nio.file.Path;
  30 import java.util.function.BiConsumer;
  31 
  32 public final class JarFileSource implements ClassSource {
  33     private final Path jarFile;
  34     private final Path jarRootPath;
  35     private final ClassLoader classLoader;
  36 
  37     JarFileSource(Path jarFile, Path jarRootPath, ClassLoader classLoader) {
  38         this.jarFile = jarFile;
  39         this.jarRootPath = jarRootPath;
  40         this.classLoader = classLoader;
  41     }
  42 
  43     @Override
  44     public void eachClass(BiConsumer<String, ClassLoader> consumer) {
  45         FileSystemFinder finder = new FileSystemFinder(jarRootPath, ClassSource::pathIsClassFile);
  46 
  47         for (Path path : finder) {
  48             consumer.accept(ClassSource.makeClassName(jarRootPath.relativize(path).normalize()), classLoader);
  49         }
  50     }
  51 
  52     @Override
  53     public String toString() {
  54         return "jar:" + jarFile.toString();
  55     }
  56 }