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diff src/fschmidt/util/java/ProxyClass.java @ 68:00520880ad02
add fschmidt source
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sun, 05 Oct 2025 17:24:15 -0600 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fschmidt/util/java/ProxyClass.java Sun Oct 05 17:24:15 2025 -0600 @@ -0,0 +1,66 @@ +/* +Copyright (c) 2008 Franklin Schmidt <fschmidt@gmail.com> + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +package fschmidt.util.java; + +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; + + +public class ProxyClass<T> implements InvocationHandler { + protected final T obj; + private final Class<T> cls; + + protected ProxyClass(T obj,Class<T> cls) { + this.obj = obj; + this.cls = cls; + } + + public Object invoke(Method method, Object[] args) + throws Throwable + { + try { + return method.invoke(obj,args); + } catch (InvocationTargetException e) { + throw e.getTargetException(); + } + } + + public Object invoke(Object proxy,Method method, Object[] args) + throws Throwable + { + return invoke(method,args); + } + + public T newInstance() { + @SuppressWarnings("unchecked") + T rtn = (T)Proxy.newProxyInstance( + cls.getClassLoader(), + new Class[]{cls}, + this + ); + return rtn; + } + +}