added logic for viewing the inner classes.dex entry

Author: borisf

ClassySharkWS/src/com/google/classyshark/gui/panel/tree/FilesTree.java

@@ -200,8 +200,7 @@ public void valueChanged(TreeSelectionEvent e) {
 
                 DefaultMutableTreeNode defaultMutableTreeNode = (DefaultMutableTreeNode) selection;
 
-                if (selection.toString().startsWith("classes") &&
-                        selection.toString().endsWith(".dex")) {
+                if (selection.toString().endsWith(".dex")) {
                     FilesTree.this.viewerController.onSelectedClassName(
                             (String) defaultMutableTreeNode.getUserObject());
                     return;

ClassySharkWS/src/com/google/classyshark/silverghost/translator/dex/DexInfoTranslator.java

@@ -140,7 +140,54 @@ private static File extractClassesDex(String dexName, File apkFile, DexInfoTrans
                     }
                 }
 
-                // TODO add here login for custom dex loading
+                if (zipEntry.getName().endsWith("jar") || zipEntry.getName().endsWith("zip")) {
+
+                    File innerZip = File.createTempFile("inner_zip", "zip");
+                    innerZip.deleteOnExit();
+
+                    FileOutputStream fos =
+                            new FileOutputStream(innerZip);
+                    byte[] bytes = new byte[1024];
+                    int length;
+                    while ((length = zipFile.read(bytes)) >= 0) {
+                        fos.write(bytes, 0, length);
+                    }
+
+                    fos.close();
+
+                    // so far we have a zip file
+                    ZipInputStream fromInnerZip = new ZipInputStream(new FileInputStream(
+                            innerZip));
+
+                    ZipEntry innerZipEntry;
+
+                    while (true) {
+                        innerZipEntry = fromInnerZip.getNextEntry();
+
+                        if (innerZipEntry == null) {
+                            fromInnerZip.close();
+                            break;
+                        }
+
+                        if (innerZipEntry.getName().endsWith(".dex")) {
+                            file = File.createTempFile("classes_innerzip", "dex");
+                            FileOutputStream fos1 = new FileOutputStream(file);
+                            byte[] bytes1 = new byte[1024];
+
+                            while ((length = fromInnerZip.read(bytes1)) >= 0) {
+                                fos1.write(bytes1, 0, length);
+                            }
+
+                            fos1.close();
+
+                            if (dexName.startsWith(zipEntry.getName())) {
+                                diTranslator.index = 99;
+                                zipFile.close();
+                                return file;
+                            }
+                        }
+                    }
+                }
             }
             zipFile.close();
         } catch (Exception e) {