Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/utilities/soql/MethodCallable.java @ 13705:ac5b0f31f7a2
Truffle API-change: FrameDescriptors are now stored in the RootNode in a final field instead of the CallTarget.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 17 Jan 2014 17:06:08 +0100 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2007, 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 sun.jvm.hotspot.utilities.soql; import java.lang.reflect.Method; import javax.script.ScriptException; /** * An implementation of Callable interface that * invokes an instance or static Java method when * called. */ public class MethodCallable implements Callable { private Object target; private Method method; private boolean wrapArgs; // "wrapArgs" tells whether the underlying java Method // accepts one Object[] argument or it wants usual way of // passing arguments. The former method is used when you // want to implement a Callable that is variadic. public MethodCallable(Object target, Method method, boolean wrapArgs) { this.method = method; this.target = target; this.wrapArgs = wrapArgs; } public MethodCallable(Object target, Method method) { this(target, method, true); } public Object call(Object[] args) throws ScriptException { try { if (wrapArgs) { return method.invoke(target, new Object[] { args }); } else { return method.invoke(target, args); } } catch (RuntimeException re) { throw re; } catch (Exception exp) { throw new ScriptException(exp); } } }