Class DefaultScanner

output/java_guava/1.4.18/ClassPath.java:483–531

  }

  @VisibleForTesting
  static final class DefaultScanner extends Scanner {
    private final SetMultimap<ClassLoader, String> resources = MultimapBuilder.hashKeys().linkedHashSetValues().build();

    ImmutableSet<ResourceInfo> getResources() {
      ImmutableSet.Builder<ResourceInfo> builder = ImmutableSet.builder();
      for (Map.Entry<ClassLoader, String> entry : resources.entries()) {
        builder.add(ResourceInfo.of(entry.getValue(), entry.getKey()));
      }
      return builder.build();
    }

    @Override
    protected void scanJarFile(ClassLoader classloader, JarFile file) {
      Enumeration<JarEntry> entries = file.entries();
      while (entries.hasMoreElements()) {
        JarEntry entry = entries.nextElement();
        if (entry.isDirectory() || entry.getName().equals(JarFile.MANIFEST_NAME)) {
          continue;
        }
        resources.get(classloader).add(entry.getName());
      }
    }

    @Override
    protected void scanDirectory(ClassLoader classloader, File directory) throws IOException {
      scanDirectory(directory, classloader, "");
    }

    private void scanDirectory(File directory, ClassLoader classloader, String packagePrefix) throws IOException {
      File[] files = directory.listFiles();
      if (files == null) {
        logger.warning("Cannot read directory " + directory);
        // IO error, just skip the directory
        return;
      }
      for (File f : files) {
        String name = f.getName();
        if (f.isDirectory()) {
          scanDirectory(f, classloader, packagePrefix + name + "/");
        } else {
          String resourceName = packagePrefix + name;
          if (!resourceName.equals(JarFile.MANIFEST_NAME)) {
            resources.get(classloader).add(resourceName);
          }
        }
      }
    }
  }

  @VisibleForTesting
  static String getClassName(String filename) {