| /* |
| * Copyright (c) 2013, 2018, 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. |
| * |
| * 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 vm.runtime.defmeth.shared.data; |
| |
| import vm.runtime.defmeth.shared.data.AbstractVisitor; |
| import vm.runtime.defmeth.shared.data.method.param.*; |
| import vm.runtime.defmeth.shared.executor.AbstractReflectionTest; |
| |
| /** |
| * Extracts a value from Param object. |
| * It is used when method is invoked using Reflection API |
| * or through MethodHandle.invokeWithArguments. |
| */ |
| public class ParamValueExtractor extends AbstractVisitor { |
| private Object value; |
| private AbstractReflectionTest methodInvokeTest; |
| |
| public Object value() { |
| param.visit(this); |
| return value; |
| } |
| |
| private Param param; |
| public ParamValueExtractor(AbstractReflectionTest methodInvokeTest, Param param) { |
| this.methodInvokeTest = methodInvokeTest; |
| this.param = param; } |
| |
| @Override public void visitParamInt(IntParam i) { value = i.value(); } |
| @Override public void visitParamLong(LongParam l) { value = l.value(); } |
| @Override public void visitParamFloat(FloatParam f) { value = f.value(); } |
| @Override public void visitParamDouble(DoubleParam d) { value = d.value(); } |
| @Override public void visitParamString(StringParam str) { value = str.value(); } |
| @Override public void visitParamNull() { value = null; } |
| @Override public void visitParamNewInstance(NewInstanceParam type) { |
| try { |
| value = methodInvokeTest.resolve(type.clazz()).newInstance(); |
| } catch (InstantiationException | IllegalAccessException e) { |
| throw new Error(e); |
| } |
| } |
| } |