--- old/src/java.base/share/classes/java/util/Scanner.java 2016-02-12 16:22:55.920328799 +0000 +++ new/src/java.base/share/classes/java/util/Scanner.java 2016-02-12 16:22:55.776331877 +0000 @@ -38,8 +38,6 @@ import java.util.stream.Stream; import java.util.stream.StreamSupport; -import sun.misc.LRUCache; - /** * A simple text scanner which can parse primitive types and strings using * regular expressions. @@ -366,15 +364,7 @@ private Locale locale = null; // A cache of the last few recently used Patterns - private LRUCache patternCache = - new LRUCache(7) { - protected Pattern create(String s) { - return Pattern.compile(s); - } - protected boolean hasName(Pattern p, String s) { - return p.pattern().equals(s); - } - }; + private PatternLRUCache patternCache = new PatternLRUCache(7); // A holder of the last IOException encountered private IOException lastException; @@ -2838,4 +2828,50 @@ } } } + + /** Utility class for small LRU caches. */ + private static class PatternLRUCache { + + private Pattern[] oa = null; + private final int size; + + PatternLRUCache(int size) { + this.size = size; + } + + boolean hasName(Pattern p, String s) { + return p.pattern().equals(s); + } + + void moveToFront(Object[] oa, int i) { + Object ob = oa[i]; + for (int j = i; j > 0; j--) + oa[j] = oa[j - 1]; + oa[0] = ob; + } + + Pattern forName(String name) { + if (oa == null) { + Pattern[] temp = new Pattern[size]; + oa = temp; + } else { + for (int i = 0; i < oa.length; i++) { + Pattern ob = oa[i]; + if (ob == null) + continue; + if (hasName(ob, name)) { + if (i > 0) + moveToFront(oa, i); + return ob; + } + } + } + + // Create a new object + Pattern ob = Pattern.compile(name); + oa[oa.length - 1] = ob; + moveToFront(oa, oa.length - 1); + return ob; + } + } } --- old/src/java.base/share/classes/sun/misc/LRUCache.java 2016-02-12 16:22:56.612314008 +0000 +++ /dev/null 2015-10-21 15:25:26.827416476 +0100 @@ -1,78 +0,0 @@ -/* - * Copyright (c) 2003, 2011, 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.misc; - -/** - * Utility class for small LRU caches. - * - * @author Mark Reinhold - */ -public abstract class LRUCache { - - private V[] oa = null; - private final int size; - - public LRUCache(int size) { - this.size = size; - } - - protected abstract V create(N name); - - protected abstract boolean hasName(V ob, N name); - - public static void moveToFront(Object[] oa, int i) { - Object ob = oa[i]; - for (int j = i; j > 0; j--) - oa[j] = oa[j - 1]; - oa[0] = ob; - } - - public V forName(N name) { - if (oa == null) { - @SuppressWarnings("unchecked") - V[] temp = (V[])new Object[size]; - oa = temp; - } else { - for (int i = 0; i < oa.length; i++) { - V ob = oa[i]; - if (ob == null) - continue; - if (hasName(ob, name)) { - if (i > 0) - moveToFront(oa, i); - return ob; - } - } - } - - // Create a new object - V ob = create(name); - oa[oa.length - 1] = ob; - moveToFront(oa, oa.length - 1); - return ob; - } - -}