+++ /dev/null
-/* AclEntry.java -- An entry in an ACL 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;
-
-/**
- * This interface models an entry in an access control list (ACL). Java
- * ACL's consist of a list of entries, where each consists of a
- * <code>Principal</code> and a list of <code>Permission</code>'s which
- * have been granted to that <code>Principal</code>. An ACL can also
- * be <em>negative</em>, which indicates that the list of
- * <code>Permission</code>'s is a list of permissions that are <em>not</em>
- * granted to the <code>Principal</code>. A <code>Principal</code> can
- * have at most one regular (or positive) ACL entry and one negative
- * ACL entry.
- *
- * @version 0.0
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- */
-public interface AclEntry extends Cloneable
-{
- /**
- * This method returns the <code>Principal</code> associated with this
- * ACL entry.
- *
- * @return The <code>Principal</code> for this ACL entry
- */
- public abstract Principal getPrincipal();
-
- /**
- * This method sets ths <code>Principal</code> associated with this
- * ACL entry. This operation will only succeed if there is not already
- * a <code>Principal</code> assigned.
- *
- * @param user The <code>Principal</code> for this ACL entry
- *
- * @return <code>true</code> if the <code>Principal</code> was successfully set or <code>false</code> if this entry already has a <code>Principal</code>.
- */
- public abstract boolean setPrincipal(Principal user);
-
- /**
- * This method sets this ACL entry to be a <em>negative</em> entry, indicating
- * that it contains a list of permissions that are <em>not</em> granted
- * to the entry's <code>Principal</code>. Note that there is no way to
- * undo this operation.
- */
- public abstract void setNegativePermissions();
-
- /**
- * This method tests whether or not this ACL entry is a negative entry or not.
- *
- * @return <code>true</code> if this ACL entry is negative, <code>false</code> otherwise
- */
- public abstract boolean isNegative();
-
- /**
- * This method adds the specified permission to this ACL entry.
- *
- * @param perm The <code>Permission</code> to add
- *
- * @return <code>true</code> if the permission was added or <code>false</code> if it was already set for this entry
- */
- public abstract boolean addPermission(Permission permission);
-
- /**
- * This method deletes the specified permission to this ACL entry.
- *
- * @param perm The <code>Permission</code> to delete from this ACL entry.
- *
- * @return <code>true</code> if the permission was successfully deleted or <code>false</code> if the permission was not part of this ACL to begin with
- */
- public abstract boolean removePermission(Permission perm);
-
- /**
- * This method tests whether or not the specified permission is associated
- * with this ACL entry.
- *
- * @param perm The <code>Permission</code> to test
- *
- * @return <code>true</code> if this permission is associated with this entry or <code>false</code> otherwise
- */
- public abstract boolean checkPermission(Permission permission);
-
- /**
- * This method returns a list of all <code>Permission</code> objects
- * associated with this ACL entry as an <code>Enumeration</code>.
- *
- * @return A list of permissions for this ACL entry
- */
- public abstract Enumeration permissions();
-
- /**
- * This method returns this object as a <code>String</code>.
- *
- * @return A <code>String</code> representation of this object
- */
- public abstract String toString();
-
- /**
- * This method returns a clone of this ACL entry
- *
- * @return A clone of this ACL entry
- */
- public abstract Object clone();
-}
projects / msp430-gcc.git / blobdiff