Fix exception thrown when indexer browses a ZIP file in a ZIP file

Author: emmanue1

services/src/main/java/org/jd/gui/model/container/GenericContainer.java

@@ -146,26 +146,27 @@ protected Collection<Container.Entry> loadChildrenFromDirectoryEntry() throws IO
         }
 
         protected Collection<Container.Entry> loadChildrenFromFileEntry() throws IOException {
-            File tmpFile = File.createTempFile("jd-gui.", ".tmp." + fsPath.getFileName().toString());
+            File tmpFile = File.createTempFile("jd-gui.", "." + fsPath.getFileName().toString());
             Path tmpPath = Paths.get(tmpFile.toURI());
 
+            tmpFile.delete();
             Files.copy(fsPath, tmpPath);
+            tmpFile.deleteOnExit();
 
             FileSystem subFileSystem = FileSystems.newFileSystem(tmpPath, null);
 
             if (subFileSystem != null) {
                 Iterator<Path> rootDirectories = subFileSystem.getRootDirectories().iterator();
 
                 if (rootDirectories.hasNext()) {
-                    tmpFile.deleteOnExit();
-
                     Path rootPath = rootDirectories.next();
                     ContainerFactory containerFactory = api.getContainerFactory(rootPath);
 
                     if (containerFactory != null) {
                         Container container = containerFactory.make(api, this, rootPath);
 
                         if (container != null) {
+                            tmpFile.delete();
                             return container.getRoot().getChildren();
                         }
                     }