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@@ -0,0 +1,37 @@
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+/**
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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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+
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+package com.jfinal.template.expr.ast;
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+
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+/**
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+ * NullMethodInfo
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+ *
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+ * 1：MethodKit.getMethod(...) 消除 instanceof 判断
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+ * 2：Method.exec(...) 消除 null 值判断
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+ */
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+public class NullMethodInfo extends MethodInfo {
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+
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+ public static final NullMethodInfo me = new NullMethodInfo();
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+
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+ public boolean notNull() {
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+ return false;
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+ }
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+
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+ public Object invoke(Object target, Object... args) throws ReflectiveOperationException {
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+ throw new RuntimeException("The method invoke(Object, Object...) of NullMethodInfo should not be invoked");
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+ }
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+}
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+
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James