Merge

src/share/classes/sun/awt/shell/ShellFolder.java

@@ -201,6 +201,8 @@ public abstract class ShellFolder extends File {
 
     private static ShellFolderManager shellFolderManager;
 
+    private static Invoker invoker;
+
     static {
         String managerClassName = (String)Toolkit.getDefaultToolkit().
                                       getDesktopProperty("Shell.shellFolderManager");
@@ -225,6 +227,8 @@ public abstract class ShellFolder extends File {
             throw new Error ("Could not access Shell Folder Manager: "
             + managerClass.getName());
         }
+
+        invoker = shellFolderManager.createInvoker();
     }
 
     /**
@@ -486,21 +490,6 @@ public abstract class ShellFolder extends File {
         return null;
     }
 
-    private static Invoker invoker;
-
-    /**
-     * Provides the single access point to the {@link Invoker}. It is guaranteed that the value
-     * returned by this method will be always the same.
-     *
-     * @return the singleton instance of {@link Invoker}
-     */
-    public static Invoker getInvoker() {
-        if (invoker == null) {
-            invoker = shellFolderManager.createInvoker();
-        }
-        return invoker;
-    }
-
     /**
      * Invokes the {@code task} which doesn't throw checked exceptions
      * from its {@code call} method. If invokation is interrupted then Thread.currentThread().isInterrupted() will
@@ -522,7 +511,7 @@ public abstract class ShellFolder extends File {
     public static <T, E extends Throwable> T invoke(Callable<T> task, Class<E> exceptionClass)
             throws InterruptedException, E {
         try {
-            return getInvoker().invoke(task);
+            return invoker.invoke(task);
         } catch (Exception e) {
             if (e instanceof RuntimeException) {
                 // Rethrow unchecked exceptions

src/windows/classes/sun/awt/shell/Win32ShellFolder2.java

@@ -693,6 +693,7 @@ final class Win32ShellFolder2 extends ShellFolder {
                     ArrayList<Win32ShellFolder2> list = new ArrayList<Win32ShellFolder2>();
                     long pEnumObjects = getEnumObjects(includeHiddenFiles);
                     if (pEnumObjects != 0) {
+                        try {
                             long childPIDL;
                             int testedAttrs = ATTRIB_FILESYSTEM | ATTRIB_FILESYSANCESTOR;
                             do {
@@ -715,8 +716,10 @@ final class Win32ShellFolder2 extends ShellFolder {
                                     releasePIDL(childPIDL);
                                 }
                             } while (childPIDL != 0 && !Thread.currentThread().isInterrupted());
+                        } finally {
                             releaseEnumObjects(pEnumObjects);
                         }
+                    }
                     return Thread.currentThread().isInterrupted()
                         ? new File[0]
                         : list.toArray(new ShellFolder[list.size()]);

src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java

@@ -79,9 +79,12 @@ public class Win32ShellFolderManager2 extends ShellFolderManager {
             // Shouldn't happen but watch for it anyway
             throw new FileNotFoundException("File " + file.getAbsolutePath() + " not found");
         }
-        Win32ShellFolder2 folder = createShellFolderFromRelativePIDL(parent, pIDL);
+
+        try {
+            return createShellFolderFromRelativePIDL(parent, pIDL);
+        } finally {
             Win32ShellFolder2.releasePIDL(pIDL);
-        return folder;
+        }
     }
 
     static Win32ShellFolder2 createShellFolderFromRelativePIDL(Win32ShellFolder2 parent, long pIDL)

test/javax/swing/JFileChooser/6741890/bug6741890.java

@@ -29,6 +29,7 @@
 */
 
 import sun.awt.shell.ShellFolder;
+import sun.awt.OSInfo;
 
 import java.io.File;
 import java.lang.reflect.Field;
@@ -43,6 +44,12 @@ public class bug6741890 {
     private static final int COUNT = 100000;
 
     public static void main(String[] args) throws Exception {
+        if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) {
+            System.out.println("The test is applicable only for Windows. Skipped.");
+
+            return;
+        }
+
         String tmpDir = System.getProperty("java.io.tmpdir");
 
         if (tmpDir.length() == 0) { //'java.io.tmpdir' isn't guaranteed to be defined