--- a/jdk/src/share/classes/java/lang/invoke/FilterOneArgument.java Fri Jul 22 17:34:04 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,84 +0,0 @@
-/*
- * Copyright (c) 2008, 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 java.lang.invoke;
-
-import static java.lang.invoke.MethodHandleStatics.*;
-import static java.lang.invoke.MethodHandles.Lookup.IMPL_LOOKUP;
-
-/**
- * Unary function composition, useful for many small plumbing jobs.
- * The invoke method takes a single reference argument, and returns a reference
- * Internally, it first calls the {@code filter} method on the argument,
- * Making up the difference between the raw method type and the
- * final method type is the responsibility of a JVM-level adapter.
- * @author jrose
- */
-class FilterOneArgument extends BoundMethodHandle {
- protected final MethodHandle filter; // Object -> Object
- protected final MethodHandle target; // Object -> Object
-
- @Override
- String debugString() {
- return target.toString();
- }
-
- protected Object invoke(Object argument) throws Throwable {
- Object filteredArgument = filter.invokeExact(argument);
- return target.invokeExact(filteredArgument);
- }
-
- private static final MethodHandle INVOKE;
- static {
- try {
- INVOKE =
- IMPL_LOOKUP.findVirtual(FilterOneArgument.class, "invoke",
- MethodType.genericMethodType(1));
- } catch (ReflectiveOperationException ex) {
- throw uncaughtException(ex);
- }
- }
-
- protected FilterOneArgument(MethodHandle filter, MethodHandle target) {
- super(INVOKE);
- this.filter = filter;
- this.target = target;
- }
-
- static {
- assert(MethodHandleNatives.workaroundWithoutRicochetFrames()); // this class is deprecated
- }
-
- public static MethodHandle make(MethodHandle filter, MethodHandle target) {
- if (filter == null) return target;
- if (target == null) return filter;
- return new FilterOneArgument(filter, target);
- }
-
-// MethodHandle make(MethodHandle filter1, MethodHandle filter2, MethodHandle target) {
-// MethodHandle filter = make(filter1, filter2);
-// return make(filter, target);
-// }
-}