update > 自定义类加载器，修复BUG

lihengming · lihengming · commit b8315b4a3c7a · 2017-09-06T14:10:17.000+08:00
diff --git a/jvm/src/main/java/classloader/CustomClassLoader.java b/jvm/src/main/java/classloader/CustomClassLoader.java
@@ -23,11 +23,10 @@ public CustomClassLoader(String classesDir) {
     @Override
     protected Class<?> findClass(String name) throws ClassNotFoundException {
         String fileName = name;
-        if (fileName.indexOf('.') > 0) {
-            fileName.replaceAll(".", "\\");
+        if (fileName.indexOf('.') != -1) {
+            fileName = fileName.replaceAll("\\.", "\\\\");
         }
         fileName = fileName + ".class";
-
         try {
             try (FileInputStream in = new FileInputStream(classesDir + fileName)) {
                 try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
@@ -40,11 +39,9 @@ protected Class<?> findClass(String name) throws ClassNotFoundException {
                     return defineClass(name, data, 0, data.length);
                 }
             }
-
         } catch (IOException e) {
-            e.printStackTrace();
+            throw new ClassNotFoundException(name);
         }
-        return super.findClass(name);
     }
 
     public static void main(String[] args) throws ReflectiveOperationException{

Original file line number	Diff line number	Diff line change
`@@ -23,11 +23,10 @@ public CustomClassLoader(String classesDir) {`
`23`	`23`	`@Override`
`24`	`24`	`protected Class<?> findClass(String name) throws ClassNotFoundException {`
`25`	`25`	`String fileName = name;`
`26`		`- if (fileName.indexOf('.') > 0) {`
`27`		`- fileName.replaceAll(".", "\\");`
	`26`	`+ if (fileName.indexOf('.') != -1) {`
	`27`	`+ fileName = fileName.replaceAll("\\.", "\\\\");`
`28`	`28`	`}`
`29`	`29`	`fileName = fileName + ".class";`
`30`		`-`
`31`	`30`	`try {`
`32`	`31`	`try (FileInputStream in = new FileInputStream(classesDir + fileName)) {`
`33`	`32`	`try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {`
`@@ -40,11 +39,9 @@ protected Class<?> findClass(String name) throws ClassNotFoundException {`
`40`	`39`	`return defineClass(name, data, 0, data.length);`
`41`	`40`	`}`
`42`	`41`	`}`
`43`		`-`
`44`	`42`	`} catch (IOException e) {`
`45`		`- e.printStackTrace();`
	`43`	`+ throw new ClassNotFoundException(name);`
`46`	`44`	`}`
`47`		`- return super.findClass(name);`
`48`	`45`	`}`
`49`	`46`
`50`	`47`	`public static void main(String[] args) throws ReflectiveOperationException{`