src/share/classes/java/security/Permissions.java

rev 1387 : 7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
Reviewed-by: xuelei, mullan
Contributed-by: alexandre.boulgakov@oracle.com

*** 29,39 ****
  import java.util.Hashtable;
  import java.util.NoSuchElementException;
  import java.util.Map;
  import java.util.HashMap;
  import java.util.List;
- import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.Collections;
  import java.io.Serializable;
  import java.io.ObjectStreamField;
  import java.io.ObjectOutputStream;
--- 29,38 ----
*** 236,246 ****
       * adding an empty PermissionCollection that will just return false.
       * It should be set to true when invoked from add().
       */
      private PermissionCollection getPermissionCollection(Permission p,
          boolean createEmpty) {
!         Class c = p.getClass();
  
          PermissionCollection pc = permsMap.get(c);
  
          if (!hasUnresolved && !createEmpty) {
              return pc;
--- 235,245 ----
       * adding an empty PermissionCollection that will just return false.
       * It should be set to true when invoked from add().
       */
      private PermissionCollection getPermissionCollection(Permission p,
          boolean createEmpty) {
!         Class<?> c = p.getClass();
  
          PermissionCollection pc = permsMap.get(c);
  
          if (!hasUnresolved && !createEmpty) {
              return pc;
*** 388,397 ****
--- 387,399 ----
  
          // Get allPermission
          allPermission = (PermissionCollection) gfields.get("allPermission", null);
  
          // Get permissions
+         // writeObject writes a Hashtable<Class<?>, PermissionCollection> for
+         // the perms key, so this cast is safe, unless the data is corrupt.
+         @SuppressWarnings("unchecked")
          Hashtable<Class<?>, PermissionCollection> perms =
              (Hashtable<Class<?>, PermissionCollection>)gfields.get("perms", null);
          permsMap = new HashMap<Class<?>, PermissionCollection>(perms.size()*2);
          permsMap.putAll(perms);
  
*** 588,597 ****
--- 590,602 ----
  
          // Read in serialized fields
          ObjectInputStream.GetField gfields = in.readFields();
  
          // Get permissions
+         // writeObject writes a Hashtable<Class<?>, PermissionCollection> for
+         // the perms key, so this cast is safe, unless the data is corrupt.
+         @SuppressWarnings("unchecked")
          Hashtable<Permission, Permission> perms =
                  (Hashtable<Permission, Permission>)gfields.get("perms", null);
          permsMap = new HashMap<Permission, Permission>(perms.size()*2);
          permsMap.putAll(perms);
      }