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luhaoaimama1luhaoaimama1
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算法 等面试之前学得
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‎.idea/JavaZone.iml‎

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‎.idea/encodings.xml‎

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‎.idea/libraries/com_google_code_gson_gson_2_8_6.xml‎

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‎.idea/libraries/com_squareup_retrofit2_converter_gson_2_0_2.xml‎

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‎.idea/libraries/com_squareup_retrofit2_retrofit_2_2_0.xml‎

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‎.idea/libraries/javassist_javassist_3_12_1_GA.xml‎

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‎HttpTest2/src/main/java/GroovyTest.groovy‎

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println new Date()."toString"()
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println "new Date()"."toString"()

‎HttpTest2/test2.iml‎

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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" name="Maven: com.squareup.okhttp3:okhttp:3.10.0" level="project" />
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<orderEntry type="library" name="Maven: com.squareup.okio:okio:1.14.0" level="project" />
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<orderEntry type="library" name="groovy-3.0.4" level="application" />
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</component>
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</module>

‎HttpTest3/pom.xml‎

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<version>${kotlin.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎HttpTest3/src/main/java/hook/classloader/CustomCL.java‎

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package hook.classloader;
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import java.io.*;
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import java.util.HashSet;
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class CustomCL extends ClassLoader {
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private String basedir; // 需要该类加载器直接加载的类文件的基目录
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private HashSet dynaclazns; // 需要由该类加载器直接加载的类名
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public CustomCL(String basedir, String[] clazns) throws IOException {
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super(null); // 指定父类加载器为 null
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this.basedir = basedir;
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dynaclazns = new HashSet();
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loadClassByMe(clazns);
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}
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private void loadClassByMe(String[] clazns) throws IOException {
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for (int i = 0; i < clazns.length; i++) {
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loadDirectly(clazns[i]);
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dynaclazns.add(clazns[i]);
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}
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}
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private Class loadDirectly(String name) throws IOException {
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Class cls = null;
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StringBuffer sb = new StringBuffer(basedir);
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String classname = name.replace('.', File.separatorChar) + ".class";
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sb.append(File.separator + classname);
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File classF = new File(sb.toString());
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cls = instantiateClass(name, new FileInputStream(classF), classF.length());
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return cls;
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}
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private Class instantiateClass(String name, InputStream fin, long len) throws IOException {
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byte[] raw = new byte[(int) len];
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fin.read(raw);
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fin.close();
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return defineClass(name, raw, 0, raw.length);
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}
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protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
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Class cls = null;
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cls = findLoadedClass(name);
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if (!this.dynaclazns.contains(name) && cls == null)
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cls = getSystemClassLoader().loadClass(name);
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if (cls == null)
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throw new ClassNotFoundException(name);
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if (resolve)
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resolveClass(cls);
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return cls;
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}
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}

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