热部署，未测试

package agent;

import java.lang.instrument.Instrumentation;
import java.lang.instrument.UnmodifiableClassException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

import org.javaRasp.commons.config;

public class HotSwap {

	public static void hotSwap(final Instrumentation inst) {
		Thread thread = new Thread(new Runnable() {

			@Override
			public void run() {
				// TODO Auto-generated method stub
				// 获取jar包中的class文件加载时间，轮询修改项，实现热加载
				while (true) {
					try {
						Thread.sleep(2000);
						Class<?>[] loadClasses = LoadClasses.getLoadClasses();
						if (loadClasses.length > 0) {
							for (int i = 0; i < loadClasses.length; i++) {
								System.out.println("[[[[[[[[[[-666-" + loadClasses[i] + "-666-]]]]]]]]]]");
							}
							inst.redefineClasses(TransforSysClass.redefineClasses(inst, loadClasses));
						}
					} catch (Exception e) {
						e.printStackTrace();
						return;
					}
				}
			}
		});
		thread.setDaemon(true);
		thread.start();
	}
}

class LoadClasses {

	// 缓存加载class文件的最后最新修改时间
	public static Map<String, Long> cacheLastModifyTimeMap = new HashMap<String, Long>();

	public static Class<?>[] getLoadClasses() {
		Set<Class<?>> classes = new LinkedHashSet<Class<?>>();
		JarFile jar;
		try {
			jar = new JarFile("E:\\datacloudWorkspace8\\raspHotSwap\\target\\raspHotSwap.jar");
			Enumeration<JarEntry> entries = jar.entries();
			// 同样的进行循环迭代
			while (entries.hasMoreElements()) {
				JarEntry entry = entries.nextElement();
				Long currentMillis = entry.getLastModifiedTime().toMillis();
				String clazzName = entry.getName();// agent/classAdapter/FileAdapter.class
				if (clazzName.endsWith(".class") && !entry.isDirectory()) {
					Long cacheTime = cacheLastModifyTimeMap.get(clazzName);
					if (cacheTime == null) {
						
						cacheLastModifyTimeMap.put(clazzName, currentMillis);
					} else if (!cacheTime.equals(currentMillis)) {
						cacheLastModifyTimeMap.put(clazzName, currentMillis);
						System.out.println(clazzName);
						classes.add(Thread.currentThread().getContextClassLoader().loadClass(clazzName));
						
					}
				}

			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return classes.toArray(new Class[classes.size()]);
	}

}