jdk/src/java.base/share/classes/sun/security/acl/AclEntryImpl.java
changeset 29126 4bb4756ceb9c
parent 29093 20f4748accfc
parent 29125 83b9bf8a6c2a
child 29127 ace848e154b9
--- a/jdk/src/java.base/share/classes/sun/security/acl/AclEntryImpl.java	Thu Feb 26 15:58:06 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,181 +0,0 @@
-/*
- * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package sun.security.acl;
-
-import java.util.*;
-import java.security.Principal;
-import java.security.acl.*;
-
-/**
- * This is a class that describes one entry that associates users
- * or groups with permissions in the ACL.
- * The entry may be used as a way of granting or denying permissions.
- * @author      Satish Dharmaraj
- */
-public class AclEntryImpl implements AclEntry {
-    private Principal user = null;
-    private Vector<Permission> permissionSet = new Vector<>(10, 10);
-    private boolean negative = false;
-
-    /**
-     * Construct an ACL entry that associates a user with permissions
-     * in the ACL.
-     * @param user The user that is associated with this entry.
-     */
-    public AclEntryImpl(Principal user) {
-        this.user = user;
-    }
-
-    /**
-     * Construct a null ACL entry
-     */
-    public AclEntryImpl() {
-    }
-
-    /**
-     * Sets the principal in the entity. If a group or a
-     * principal had already been set, a false value is
-     * returned, otherwise a true value is returned.
-     * @param user The user that is associated with this entry.
-     * @return true if the principal is set, false if there is
-     * one already.
-     */
-    public boolean setPrincipal(Principal user) {
-        if (this.user != null)
-          return false;
-        this.user = user;
-        return true;
-    }
-
-    /**
-     * This method sets the ACL to have negative permissions.
-     * That is the user or group is denied the permission set
-     * specified in the entry.
-     */
-    public void setNegativePermissions() {
-        negative = true;
-    }
-
-    /**
-     * Returns true if this is a negative ACL.
-     */
-    public boolean isNegative() {
-        return negative;
-    }
-
-    /**
-     * A principal or a group can be associated with multiple
-     * permissions. This method adds a permission to the ACL entry.
-     * @param permission The permission to be associated with
-     * the principal or the group in the entry.
-     * @return true if the permission was added, false if the
-     * permission was already part of the permission set.
-     */
-    public boolean addPermission(Permission permission) {
-
-        if (permissionSet.contains(permission))
-          return false;
-
-        permissionSet.addElement(permission);
-
-        return true;
-    }
-
-    /**
-     * The method disassociates the permission from the Principal
-     * or the Group in this ACL entry.
-     * @param permission The permission to be disassociated with
-     * the principal or the group in the entry.
-     * @return true if the permission is removed, false if the
-     * permission is not part of the permission set.
-     */
-    public boolean removePermission(Permission permission) {
-        return permissionSet.removeElement(permission);
-    }
-
-    /**
-     * Checks if the passed permission is part of the allowed
-     * permission set in this entry.
-     * @param permission The permission that has to be part of
-     * the permission set in the entry.
-     * @return true if the permission passed is part of the
-     * permission set in the entry, false otherwise.
-     */
-    public boolean checkPermission(Permission permission) {
-        return permissionSet.contains(permission);
-    }
-
-    /**
-     * return an enumeration of the permissions in this ACL entry.
-     */
-    public Enumeration<Permission> permissions() {
-        return permissionSet.elements();
-    }
-
-    /**
-     * Return a string representation of  the contents of the ACL entry.
-     */
-    public String toString() {
-        StringBuffer s = new StringBuffer();
-        if (negative)
-          s.append("-");
-        else
-          s.append("+");
-        if (user instanceof Group)
-            s.append("Group.");
-        else
-            s.append("User.");
-        s.append(user + "=");
-        Enumeration<Permission> e = permissions();
-        while(e.hasMoreElements()) {
-            Permission p = e.nextElement();
-            s.append(p);
-            if (e.hasMoreElements())
-                s.append(",");
-        }
-        return new String(s);
-    }
-
-    /**
-     * Clones an AclEntry.
-     */
-    @SuppressWarnings("unchecked") // Safe casts assuming clone() works correctly
-    public synchronized Object clone() {
-        AclEntryImpl cloned;
-        cloned = new AclEntryImpl(user);
-        cloned.permissionSet = (Vector<Permission>) permissionSet.clone();
-        cloned.negative = negative;
-        return cloned;
-    }
-
-    /**
-     * Return the Principal associated in this ACL entry.
-     * The method returns null if the entry uses a group
-     * instead of a principal.
-     */
-    public Principal getPrincipal() {
-        return user;
-    }
-}