author | jlaskey |
Thu, 21 Jun 2018 08:58:59 -0300 | |
changeset 50695 | 36ca515343e0 |
parent 47216 | 71c04702a3d5 |
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/* |
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* This file is available under and governed by the GNU General Public |
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* License version 2 only, as published by the Free Software Foundation. |
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* However, the following notice accompanied the original version of this |
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* file, and Oracle licenses the original version of this file under the BSD |
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* license: |
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*/ |
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/* |
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Copyright 2009-2013 Attila Szegedi |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are |
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met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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* Neither the name of the copyright holder nor the names of |
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contributors may be used to endorse or promote products derived from |
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this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER |
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package jdk.dynalink.beans; |
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import java.lang.invoke.MethodHandle; |
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import java.lang.invoke.MethodType; |
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import jdk.dynalink.CallSiteDescriptor; |
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/** |
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* A dynamic method bound to exactly one Java method or constructor that is not caller sensitive. Since its target is |
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* not caller sensitive, this class pre-caches its method handle and always returns it from the call to |
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* {@link #getTarget(CallSiteDescriptor)}. Can be used in general to represents dynamic methods bound to a single method handle, |
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* even if that handle is not mapped to a Java method, i.e. as a wrapper around field getters/setters, array element |
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* getters/setters, etc. |
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*/ |
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class SimpleDynamicMethod extends SingleDynamicMethod { |
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private final MethodHandle target; |
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private final boolean constructor; |
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/** |
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* Creates a new simple dynamic method, with a name constructed from the class name, method name, and handle |
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* signature. |
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* |
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* @param target the target method handle |
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* @param clazz the class declaring the method |
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* @param name the simple name of the method |
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*/ |
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SimpleDynamicMethod(final MethodHandle target, final Class<?> clazz, final String name) { |
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this(target, clazz, name, false); |
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} |
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/** |
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* Creates a new simple dynamic method, with a name constructed from the class name, method name, and handle |
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* signature. |
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* |
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* @param target the target method handle |
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* @param clazz the class declaring the method |
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* @param name the simple name of the method |
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* @param constructor does this represent a constructor? |
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*/ |
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SimpleDynamicMethod(final MethodHandle target, final Class<?> clazz, final String name, final boolean constructor) { |
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super(getName(target, clazz, name, constructor)); |
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this.target = target; |
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this.constructor = constructor; |
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} |
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private static String getName(final MethodHandle target, final Class<?> clazz, final String name, final boolean constructor) { |
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return getMethodNameWithSignature(target.type(), constructor ? name : getClassAndMethodName(clazz, name), !constructor); |
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} |
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@Override |
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boolean isVarArgs() { |
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return target.isVarargsCollector(); |
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} |
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@Override |
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MethodType getMethodType() { |
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return target.type(); |
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} |
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@Override |
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MethodHandle getTarget(final CallSiteDescriptor desc) { |
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return target; |
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} |
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@Override |
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boolean isConstructor() { |
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return constructor; |
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} |
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} |