106 lines
3.9 KiB
Java
106 lines
3.9 KiB
Java
/*
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* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.security;
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import java.util.*;
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import java.util.stream.Stream;
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import java.util.stream.StreamSupport;
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// Android-changed: Stubbed the implementation. Android doesn't support SecurityManager.
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// See comments in java.lang.SecurityManager for details.
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/**
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* Android doesn't support {@link SecurityManager}. Do not use this class.
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*/
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public abstract class PermissionCollection implements java.io.Serializable {
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/**
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* Adds a permission object to the current collection of permission objects.
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*
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* @param permission the Permission object to add.
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*
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* @exception SecurityException - if this PermissionCollection object
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* has been marked readonly
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* @exception IllegalArgumentException - if this PermissionCollection
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* object is a homogeneous collection and the permission
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* is not of the correct type.
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*/
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public abstract void add(Permission permission);
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/**
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* Checks to see if the specified permission is implied by
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* the collection of Permission objects held in this PermissionCollection.
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*
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* @param permission the Permission object to compare.
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*
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* @return true if "permission" is implied by the permissions in
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* the collection, false if not.
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*/
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public abstract boolean implies(Permission permission);
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/**
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* Returns an enumeration of all the Permission objects in the collection.
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*
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* @return an enumeration of all the Permissions.
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*/
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public abstract Enumeration<Permission> elements();
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public void setReadOnly() { }
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public boolean isReadOnly() { return true; }
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/**
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* Returns a stream of all the Permission objects in the collection.
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*
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* <p> The collection should not be modified (see {@link #add}) during the
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* execution of the terminal stream operation. Otherwise, the result of the
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* terminal stream operation is undefined.
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*
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* @implSpec
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* The default implementation creates a stream whose source is derived from
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* the enumeration returned from a call to {@link #elements()}.
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*
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* @return a stream of all the Permissions.
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* @since 9
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*
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* @hide
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*/
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public Stream<Permission> elementsAsStream() {
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// Android-changed: Stubbed the implementation.
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/*
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int characteristics = isReadOnly()
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? Spliterator.NONNULL | Spliterator.IMMUTABLE
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: Spliterator.NONNULL;
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return StreamSupport.stream(
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Spliterators.spliteratorUnknownSize(
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elements().asIterator(), characteristics),
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false);
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*/
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return Stream.empty();
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}
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}
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