--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/sun/nio/fs/Util.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2009, 2013, 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 sun.nio.fs;
+
+import java.util.*;
+import java.nio.file.*;
+import java.nio.charset.Charset;
+import java.security.*;
+import sun.security.action.*;
+
+/**
+ * Utility methods
+ */
+
+class Util {
+ private Util() { }
+
+ private static final Charset jnuEncoding = Charset.forName(
+ AccessController.doPrivileged(new GetPropertyAction("sun.jnu.encoding")));
+
+ /**
+ * Returns {@code Charset} corresponding to the sun.jnu.encoding property
+ */
+ static Charset jnuEncoding() {
+ return jnuEncoding;
+ }
+
+ /**
+ * Encodes the given String into a sequence of bytes using the {@code Charset}
+ * specified by the sun.jnu.encoding property.
+ */
+ static byte[] toBytes(String s) {
+ return s.getBytes(jnuEncoding);
+ }
+
+ /**
+ * Constructs a new String by decoding the specified array of bytes using the
+ * {@code Charset} specified by the sun.jnu.encoding property.
+ */
+ static String toString(byte[] bytes) {
+ return new String(bytes, jnuEncoding);
+ }
+
+
+ /**
+ * Splits a string around the given character. The array returned by this
+ * method contains each substring that is terminated by the character. Use
+ * for simple string spilting cases when needing to avoid loading regex.
+ */
+ static String[] split(String s, char c) {
+ int count = 0;
+ for (int i=0; i<s.length(); i++) {
+ if (s.charAt(i) == c)
+ count++;
+ }
+ String[] result = new String[count+1];
+ int n = 0;
+ int last = 0;
+ for (int i=0; i<s.length(); i++) {
+ if (s.charAt(i) == c) {
+ result[n++] = s.substring(last, i);
+ last = i + 1;
+ }
+ }
+ result[n] = s.substring(last, s.length());
+ return result;
+ }
+
+ /**
+ * Returns a Set containing the given elements.
+ */
+ @SafeVarargs
+ static <E> Set<E> newSet(E... elements) {
+ HashSet<E> set = new HashSet<>();
+ for (E e: elements) {
+ set.add(e);
+ }
+ return set;
+ }
+
+ /**
+ * Returns a Set containing all the elements of the given Set plus
+ * the given elements.
+ */
+ @SafeVarargs
+ static <E> Set<E> newSet(Set<E> other, E... elements) {
+ HashSet<E> set = new HashSet<>(other);
+ for (E e: elements) {
+ set.add(e);
+ }
+ return set;
+ }
+
+ /**
+ * Returns {@code true} if symbolic links should be followed
+ */
+ static boolean followLinks(LinkOption... options) {
+ boolean followLinks = true;
+ for (LinkOption option: options) {
+ if (option == LinkOption.NOFOLLOW_LINKS) {
+ followLinks = false;
+ } else if (option == null) {
+ throw new NullPointerException();
+ } else {
+ throw new AssertionError("Should not get here");
+ }
+ }
+ return followLinks;
+ }
+}