61 lines
1.8 KiB
Java
61 lines
1.8 KiB
Java
/**
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* Copyright (c) 2011-2019, James Zhan 詹波 (jfinal@126.com).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.jfinal.template.expr.ast;
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import java.lang.reflect.Method;
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/**
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* MethodInfoExt 辅助实现 extension method 功能
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*/
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public class MethodInfoExt extends MethodInfo {
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protected Object objectOfExtensionClass;
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public MethodInfoExt(Object objectOfExtensionClass, Long key, Class<?> clazz, Method method) {
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super(key, clazz, method);
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this.objectOfExtensionClass = objectOfExtensionClass;
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// 将被 mixed 的类自身添加入参数类型数组的第一个位置
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// Class<?>[] newParaTypes = new Class<?>[paraTypes.length + 1];
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// newParaTypes[0] = clazz; // 第一个参数就是被 mixed 的类它自己
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// System.arraycopy(paraTypes, 0, newParaTypes, 1, paraTypes.length);
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// this.paraTypes = newParaTypes;
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}
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public Object invoke(Object target, Object... args) throws ReflectiveOperationException {
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Object[] finalArgs = new Object[args.length + 1];
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finalArgs[0] = target;
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if (args.length > 0) {
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System.arraycopy(args, 0, finalArgs, 1, args.length);
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}
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if (isVarArgs) {
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return invokeVarArgsMethod(objectOfExtensionClass, finalArgs);
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} else {
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return method.invoke(objectOfExtensionClass, finalArgs);
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}
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}
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}
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