加载jar文件输出class和method

时间:2021-01-08 09:06:04
package file

import java.util.jar.JarEntry
import java.util.jar.JarFile import org.junit.Test; class ReadJarFileTest01 { @Test
void test001(){
String default_path = "D:/tools/struts-2.3.16/lib/commons-lang-2.4.jar"; URL[] urls = new URL[1]
urls[0] = new URL("file:" + default_path)
ClassLoader parentclassloader = Thread.currentThread().getContextClassLoader()
//URLClassLoader classLoader = new URLClassLoader(urls, parentclassloader)
URLClassLoader classLoader = new URLClassLoader(urls)
Map<String,List<String>> classMethodMap = new LinkedHashMap<String,List<String>>()
JarFile jarfile = new JarFile(default_path)
for(JarEntry entry : jarfile.entries()){
def ename = entry.getName()
if( ename.contains(".class") ){
List<String> methods = new ArrayList<String>()
classMethodMap.put(ename.substring(ename.lastIndexOf("/"), ename.lastIndexOf(".")), methods) def wholeClassName = ename.replaceAll("/", ".")
wholeClassName = wholeClassName.substring(0, wholeClassName.lastIndexOf("."))
//println wholeClassName
if( wholeClassName.contains("ArrayUtils") ){
Class clazz = classLoader.loadClass(wholeClassName)
println clazz.getPackage().getName()
java.lang.reflect.Method[] methodArr = clazz.getMethods()
println "================="
for( p in methodArr ){
println p
}
}
}
}
} }