Changeset 20478 for lang/java/misc/B.java

Timestamp:

10/02/08 13:12:37 (3 months ago)

Author:

nori090

Message:

そもそも動いてなかった。間違い修正＞＜

Files:

• lang/java/misc/B.java (modified) (2 diffs)

lang/java/misc/B.java

@@ -1 +1 @@
 import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.net.URL;
-import java.net.URLClassLoader;
+import java.io.ByteArrayOutputStream;
 import java.util.zip.ZipInputStream;
 
@@ -73 +70 @@
     public static void main( String[] args ) {
         try {
-            ByteArrayInputStream bais = new ByteArrayInputStream( buf );
-            ZipInputStream zip = new ZipInputStream( bais );
-            FileOutputStream fos = new FileOutputStream( "A.class" );
+            ZipInputStream zip = new ZipInputStream( new ByteArrayInputStream( buf ) );
+            ByteArrayOutputStream bos = new ByteArrayOutputStream();
             byte[] b = new byte[1024];
             int size = -1;
+            zip.getNextEntry();
             while ( ( size = zip.read( b, 0, b.length ) ) != -1 ) {
-                fos.write( b, 0, size );
+                bos.write( b, 0, size );
             }
-            fos.flush();
-            fos.close();
-            bais.close();
             zip.close();
-            URLClassLoader loader = new URLClassLoader( new URL[] { new File( "." ).toURI().toURL() } );
-            loader.loadClass( "A" ).newInstance();
+            final byte[] bin = bos.toByteArray();
+            ClassLoader cl = new ClassLoader() {
+                @Override
+                protected Class<?> findClass( String name )
+                    throws ClassNotFoundException {
+                    return super.defineClass( name, bin, 0, bin.length );
+                }
+            };
+            cl.loadClass( "A" ).newInstance();
         }
         catch ( Exception e ) {