62 lines
1.9 KiB
Java
Executable File
62 lines
1.9 KiB
Java
Executable File
/**
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* Copyright 2018-2028 WindChat Group
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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.windchat.common.executor.chain.handler;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import com.windchat.common.command.Command;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.windchat.common.command.Command;
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/**
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* @author Sam{@link an.guoyue254@gmail.com}
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* @since 2018-01-31 12:26:07
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* @param <T>
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*/
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public class MethodReflectHandler<T, R> implements IHandler<T, R> {
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private static final Logger logger = LoggerFactory.getLogger(MethodReflectHandler.class);
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@SuppressWarnings("unchecked")
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public R handle(T t) {
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try {
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Command cmd = (Command) t;
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String methodName = cmd.getMethod();
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Method m = this.getClass().getDeclaredMethod(methodName, cmd.getClass());
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Object result = m.invoke(this, t);
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if (result != null) {
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return (R) result;
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}
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} catch (NoSuchMethodException e) {
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logger.error("method handler NoSuchMethod error.", e);
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} catch (SecurityException e) {
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logger.error("method handler Security error.", e);
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} catch (IllegalAccessException e) {
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logger.error("method handler IllegalAccess error.", e);
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} catch (IllegalArgumentException e) {
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logger.error("method handler IllegalArgument error.", e);
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} catch (InvocationTargetException e) {
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logger.error("method handler InvocationTarget error.", e);
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}
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return null;
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}
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}
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