设计模式继续

Author: bjmashibing

.idea/workspace.xml

@@ -39,9 +39,9 @@ public void visitEnd() {
 
     public static void main(String[] args) throws IOException {
         ClassPrinter cp = new ClassPrinter();
-        ClassReader cr = new ClassReader("java.lang.Runnable");
-//        ClassReader cr = new ClassReader(
-//                ClassPrinter.class.getClassLoader().getResourceAsStream("com/mashibing/dp/ASM/T1.class"));
+        //ClassReader cr = new ClassReader("java.lang.Runnable");
+        ClassReader cr = new ClassReader(
+                ClassPrinter.class.getClassLoader().getResourceAsStream("com/mashibing/dp/ASM/T1.class"));
 
 
         cr.accept(cp, 0);

src/main/java/com/mashibing/dp/ASM/ClassPrinter.java

@@ -22,7 +22,7 @@ public MethodVisitor visitMethod(int access, String name, String descriptor, Str
                 return new MethodVisitor(ASM4, mv) {
                     @Override
                     public void visitCode() {
-                        visitMethodInsn(INVOKESTATIC, "TimeProxy","before", "()V", false);
+                        visitMethodInsn(INVOKESTATIC, "com/mashibing/dp/ASM/TimeProxy","before", "()V", false);
                         super.visitCode();
                     }
                 };
@@ -32,6 +32,13 @@ public void visitCode() {
         cr.accept(cv, 0);
         byte[] b2 = cw.toByteArray();
 
+        MyClassLoader cl = new MyClassLoader();
+        //Class c = cl.loadClass("com.mashibing.dp.ASM.Tank");
+        cl.loadClass("com.mashibing.dp.ASM.TimeProxy");
+        Class c2 = cl.defineClass("com.mashibing.dp.ASM.Tank", b2);
+        c2.getConstructor().newInstance();
+
+
         String path = (String)System.getProperties().get("user.dir");
         File f = new File(path + "/com/mashibing/dp/ASM/");
         f.mkdirs();

src/main/java/com/mashibing/dp/ASM/ClassTransformerTest.java

@@ -4,4 +4,6 @@ class MyClassLoader extends ClassLoader {
     public Class defineClass(String name, byte[] b) {
         return defineClass(name, b, 0, b.length);
     }
+
+
 }

src/main/java/com/mashibing/dp/ASM/MyClassLoader.java

@@ -1,6 +1,7 @@
 package com.mashibing.dp.ASM;
 
 public class TimeProxy {
+
     public static void before() {
         System.out.println("before ...");
     }

src/main/java/com/mashibing/dp/ASM/TimeProxy.java

@@ -7,7 +7,7 @@
  * v2:用链表来实现一个容器
  * v3:添加容器的共同接口，实现容器的替换
  * v4:如何对容器遍历呢？
- * v5:用一种统一的遍历方式，要求每一个容器都要提供Iterator的实现类
+ * v4:用一种统一的遍历方式，要求每一个容器都要提供Iterator的实现类
  *    作业：实现LinkedList的Iterator
  */
 

src/main/java/com/mashibing/dp/Iterator/v5/Main.java

@@ -9,7 +9,7 @@
  * v2:用链表来实现一个容器
  * v3:添加容器的共同接口，实现容器的替换
  * v4:如何对容器遍历呢？
- * v5:用一种统一的遍历方式，要求每一个容器都要提供Iterator的实现类
+ * v4:用一种统一的遍历方式，要求每一个容器都要提供Iterator的实现类
  *    作业：实现LinkedList的Iterator
  * v6:JDK的容器的Iterator
  */

src/main/java/com/mashibing/dp/Iterator/v6/Main.java

@@ -5,7 +5,7 @@
  * v2:用链表来实现一个容器
  * v3:添加容器的共同接口，实现容器的替换
  * v4:如何对容器遍历呢？
- * v5:用一种统一的遍历方式，要求每一个容器都要提供Iterator的实现类
+ * v4:用一种统一的遍历方式，要求每一个容器都要提供Iterator的实现类
  *    作业：实现LinkedList的Iterator
  * v6:JDK的容器实现
  * v7:实现泛型版本

src/main/java/com/mashibing/dp/Iterator/v7/Main.java

@@ -0,0 +1,20 @@
+package com.mashibing.dp;
+
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.event.WindowListener;
+
+public class Test {
+    public static void main(String[] args) {
+        Frame f = new Frame();
+        f.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                super.windowClosing(e);
+            }
+        });
+    }
+}
+
+//javap

src/main/java/com/mashibing/dp/Test.java

@@ -0,0 +1,21 @@
+package com.mashibing.dp.adapter;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        FileInputStream fis = new FileInputStream("c:/test.text");
+        InputStreamReader isr = new InputStreamReader(fis);
+        BufferedReader br = new BufferedReader(isr);
+        String line = br.readLine();
+        while (line != null && !line.equals("")) {
+            System.out.println(line);
+        }
+        br.close();
+
+
+    }
+}