+++ /dev/null
-/* Acl.java -- An access control list
- Copyright (C) 1998 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.acl;
-
-import java.security.Principal;
-import java.util.Enumeration;
-
-/**
- * A Java access control list (ACL) is a group of individual ACL entries.
- * These entries consist of a <code>Principal</code> and a list of
- * permissions this <code>Principal</code> is either granted or denied.
- * A given <code>Principal</code> can have at most one positive ACL entry
- * (i.e., one that grants permissions) and one negative ACL entry (i.e., one
- * that denies permissions). If a given permission is both granted and
- * denied, the ACL treats it as if it were never granted or denied. If
- * both a <code>Principal</code> and a <code>Group</code> to which the
- * <code>Principal</code> belongs have an ACL entry, the permissions for
- * the individual <code>Principal</code> take precedence over the
- * permissions of the <code>Group</code> if there is a conflict.
- * <p
- * Additionally, the ACL interface extends the <code>Owner</code> interface
- * and so an ACL has owners. Actions which modify the ACL are restricted
- * to owners.
- *
- * @version 0.0
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- */
-public interface Acl extends Owner
-{
-
- /**
- * This method returns the name of this ACL.
- *
- * @return The name of this ACL
- */
- public abstract String getName();
-
- /**
- * This method sets the name of the ACL
- *
- * @param caller The <code>Principal</code> requesting the action.
- * @param name The new name for this ACL.
- *
- * @exception NotOwnerException If the caller is not an owner of this ACL.
- */
- public abstract void setName(Principal caller, String name)
- throws NotOwnerException;
-
- /**
- * This method adds the specified entry to the ACL
- *
- * @param caller The <code>Principal</code> requesting the addition
- * @param entry The ACL entry to add
- *
- * @return <code>true</code> if the entry was added, <code>false</code> if there is already an entry of the same type for the <code>Principal</code>.
- *
- * @exception NotOwnerException If the caller is not an owner of this ACL.
- */
- public abstract boolean addEntry(Principal caller, AclEntry entry)
- throws NotOwnerException;
-
- /**
- * This method delets the specified entry from the ACL
- *
- * @param caller The <code>Principal</code> requesting the deletion.
- * @param entry The ACL entry to delete
- *
- * @return <code>true</code> if the entry was deleted, or <code>false</code> if this entry was not part of the ACL to begin with
- *
- * @exception NotOwnerException If the caller is not an owner of this ACL.
- */
- public abstract boolean removeEntry(Principal caller, AclEntry entry)
- throws NotOwnerException;
-
- /**
- * This method returns a list of all the entries in the ACL as an
- * <code>Enumeration</code>.
- *
- * @return An enumeration of the ACL entries
- */
- public abstract Enumeration entries();
-
- /**
- * This method tests whether or not the specified <code>Principal</code>
- * has the specified <code>Permission</code>
- *
- * @param user The <code>Principal</code> to test
- * @param perm The <code>Permission</code> to test for
- *
- * @return <code>true</code> if the user has been granted the permission, <code>false</code> otherwise
- */
- public abstract boolean checkPermission(Principal user, Permission perm);
-
- /**
- * This method returns a list of <code>Permission</code>'s that are granted
- * to a particular <code>Principal</code>. This includes any permissions
- * that are granted to <code>Group</code>'s to which the <code>Principal</code>
- * belongs unless they are overridden by a negative ACL. This permission
- * list is returned as an <code>Enumeration</code>.
- *
- * @param user The <code>Principal</code> to retrieve permissions for.
- *
- * @return A list of permissions for the <code>Principal</code>.
- */
- public abstract Enumeration getPermissions(Principal user);
-
- /**
- * This method returns the ACL as a <code>String</code>
- *
- * @return A <code>String</code> representation of this ACL
- */
- public abstract String toString();
-}
projects / msp430-gcc.git / blobdiff