Imported gcc-4.4.3

[msp430-gcc.git] / libjava / java / security / AccessControlContext.java

diff --git a/libjava/java/security/AccessControlContext.java b/libjava/java/security/AccessControlContext.java
deleted file mode 100644 (file)
index 5b9ac4a..0000000
--- a/libjava/java/security/AccessControlContext.java
+++ /dev/null
@@ -1,175 +0,0 @@
-/* AccessControlContext.java --- Access Control Context Class
-   Copyright (C) 1999 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-package java.security;
-
-/**
-   AccessControlContext makes system resource access decsion 
-   based on permission rights.  
-
-   It is used for a specific context and has only one method
-   checkPermission. It is similar to AccessController except
-   that it makes decsions based on the current context instead
-   of the the current thread.
-
-   It is created by call AccessController.getContext method.
-
-   @author Mark Benvenuto
-   @since JDK 1.2
- */
-public final class AccessControlContext
-{
-  private ProtectionDomain protectionDomain[];
-  private DomainCombiner combiner;
-
-  /**
-     Construct a new AccessControlContext with the specified
-     ProtectionDomains. <code>context</code> must not be 
-     null and duplicates will be removed.
-
-     @param context The ProtectionDomains to use
-   */
-  public AccessControlContext(ProtectionDomain[]context)
-  {
-    int i, j, k, count = context.length, count2 = 0;
-    for (i = 0, j = 0; i < count; i++)
-      {
-       for (k = 0; k < i; k++)
-         if (context[k] == protectionDomain[i])
-           break;
-       if (k != i)             //it means previous loop did not complete
-         continue;
-
-       count2++;
-      }
-
-    protectionDomain = new ProtectionDomain[count2];
-    for (i = 0, j = 0; i < count2; i++)
-      {
-       for (k = 0; k < i; k++)
-         if (context[k] == protectionDomain[i])
-           break;
-       if (k != i)             //it means previous loop did not complete
-         continue;
-
-       protectionDomain[j++] = context[i];
-      }
-  }
-
-  /**
-     Construct a new AccessControlContext with the specified
-     ProtectionDomains and DomainCombiner
-
-     @param context The ProtectionDomains to use
-
-     @since JDK 1.3
-   */
-  public AccessControlContext(AccessControlContext acc,
-                             DomainCombiner combiner)
-  {
-    this(acc.protectionDomain);
-    this.combiner = combiner;
-  }
-
-  /**
-     Returns the Domain Combiner associated with the AccessControlContext
-
-     @returns the DomainCombiner
-   */
-  public DomainCombiner getDomainCombiner()
-  {
-    return combiner;
-  }
-
-  /**
-     Determines whether or not the specific permission is granted
-     depending on the context it is within. 
-
-     @param perm a permission to check
-
-     @throws AccessControlException if the permssion is not permitted
-   */
-  public void checkPermission(Permission perm) throws AccessControlException
-  {
-    for (int i = 0; i < protectionDomain.length; i++)
-      if (protectionDomain[i].implies(perm) == true)
-       return;
-
-    throw new AccessControlException("Permission not granted");
-  }
-
-  /**
-     Checks if two AccessControlContexts are equal.
-
-     It first checks if obj is an AccessControlContext class, and
-     then checks if each ProtectionDomain matches.
-
-     @param obj The object to compare this class to
-
-     @return true if equal, false otherwise
-   */
-  public boolean equals(Object obj)
-  {
-    if (obj instanceof AccessControlContext)
-      {
-       AccessControlContext acc = (AccessControlContext) obj;
-
-       if (acc.protectionDomain.length != protectionDomain.length)
-         return false;
-
-       for (int i = 0; i < protectionDomain.length; i++)
-         if (acc.protectionDomain[i] != protectionDomain[i])
-           return false;
-       return true;
-      }
-    return false;
-  }
-
-  /**
-     Computes a hash code of this class
-
-     @return a hash code representing this class
-   */
-  public int hashCode()
-  {
-    int h = 0;
-    for (int i = 0; i < protectionDomain.length; i++)
-      h ^= protectionDomain[i].hashCode();
-
-    return h;
-  }
-}