spring MainMethodRunner 源码
springboot MainMethodRunner 代码
文件路径：/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/MainMethodRunner.java
/*
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.loader;
import java.lang.reflect.Method;
/**
* Utility class that is used by {@link Launcher}s to call a main method. The class
* containing the main method is loaded using the thread context class loader.
*
* @author Phillip Webb
* @author Andy Wilkinson
* @since 1.0.0
*/
public class MainMethodRunner {
private final String mainClassName;
private final String[] args;
/**
* Create a new {@link MainMethodRunner} instance.
* @param mainClass the main class
* @param args incoming arguments
*/
public MainMethodRunner(String mainClass, String[] args) {
this.mainClassName = mainClass;
this.args = (args != null) ? args.clone() : null;
}
public void run() throws Exception {
Class<?> mainClass = Class.forName(this.mainClassName, false, Thread.currentThread().getContextClassLoader());
Method mainMethod = mainClass.getDeclaredMethod("main", String[].class);
mainMethod.setAccessible(true);
mainMethod.invoke(null, new Object[] { this.args });
}
}
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- 本文标签： Spring Boot Java Spring
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