--- a/jdk/src/java.base/share/classes/jdk/internal/loader/ResourceHelper.java	Sat Apr 08 03:25:14 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,125 +0,0 @@
-/*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package jdk.internal.loader;
-
-import java.io.File;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-import jdk.internal.module.Checks;
-
-/**
- * Helper class for Class#getResource, Module#getResourceAsStream, and other
- * methods that locate a resource in a module.
- */
-public final class ResourceHelper {
-    private ResourceHelper() { }
-
-    /**
-     * Returns the <em>package name</em> for a resource or the empty package if
-     * the resource name does not contain a slash.
-     */
-    public static String getPackageName(String name) {
-        int index = name.lastIndexOf('/');
-        if (index != -1) {
-            return name.substring(0, index).replace("/", ".");
-        } else {
-            return "";
-        }
-    }
-
-    /**
-     * Returns true if the resource is a <em>simple resource</em>. Simple
-     * resources can never be encapsulated. Resources ending in "{@code .class}"
-     * or where the package name is not a legal package name can not be
-     * encapsulated.
-     */
-    public static boolean isSimpleResource(String name) {
-        int len = name.length();
-        if (len > 6 && name.endsWith(".class")) {
-            return true;
-        }
-        if (!Checks.isPackageName(getPackageName(name))) {
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Converts a resource name to a file path. Returns {@code null} if the
-     * resource name cannot be converted into a file path. Resource names
-     * with empty elements, or elements that are "." or ".." are rejected,
-     * as is a resource name that translates to a file path with a root
-     * component.
-     */
-    public static Path toFilePath(String name) {
-        // scan the resource name to eagerly reject obviously invalid names
-        int next;
-        int off = 0;
-        while ((next = name.indexOf('/', off)) != -1) {
-            int len = next - off;
-            if (!mayTranslate(name, off, len)) {
-                return null;
-            }
-            off = next + 1;
-        }
-        int rem = name.length() - off;
-        if (!mayTranslate(name, off, rem)) {
-            return null;
-        }
-
-        // convert to file path
-        Path path;
-        if (File.separatorChar == '/') {
-            path = Paths.get(name);
-        } else {
-            // not allowed to embed file separators
-            if (name.contains(File.separator))
-                return null;
-            path = Paths.get(name.replace('/', File.separatorChar));
-        }
-
-        // file path not allowed to have root component
-        return (path.getRoot() == null) ? path : null;
-    }
-
-    /**
-     * Returns {@code true} if the element in a resource name is a candidate
-     * to translate to the element of a file path.
-     */
-    private static boolean mayTranslate(String name, int off, int len) {
-        if (len <= 2) {
-            if (len == 0)
-                return false;
-            boolean starsWithDot = (name.charAt(off) == '.');
-            if (len == 1 && starsWithDot)
-                return false;
-            if (len == 2 && starsWithDot && (name.charAt(off+1) == '.'))
-                return false;
-        }
-        return true;
-    }
-
-}