124 lines
3.7 KiB
Java
124 lines
3.7 KiB
Java
/* AllPermission.java -- Permission to do anything
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.security;
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/**
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* This class is a permission that implies all other permissions. Granting
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* this permission effectively grants all others. Extreme caution should
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* be exercised in granting this permission.
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*
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* @version 0.0
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class AllPermission extends Permission
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{
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/**
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* This method initializes a new instance of <code>AllPermission</code>. It
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* performs no actions.
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*/
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public AllPermission()
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{
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super("all");
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}
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/**
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* This method initializes a new instance of <code>AllPermission</code>. The
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* arguments passed to this method are used to set internal field for the
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* permission name. However, these are not used in
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* determining the actual permissions granted. This class always will
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* return <code>true</code> in its implies method.
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*
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* @param name The name of this permission.
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* @param actions The action list for this permission - ignored in this class.
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*/
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public AllPermission(String name, String actions)
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{
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super(name);
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}
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/**
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* This method always returns <code>true</code> to indicate that this
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* permission always implies that any other permission is also granted.
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*
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* @param perm The <code>Permission</code> to test against - ignored in this class.
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*
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* @return Always returns <code>true</code>
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*/
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public boolean implies(Permission perm)
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{
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return (true);
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}
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/**
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* This method tests this class for equality against another <code>Object</code>.
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* This will return <code>true</code> if and only if the specified
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* <code>Object</code> is an instance of <code>AllPermission</code>.
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*
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* @param obj The <code>Object</code> to test for equality to this object
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*/
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public boolean equals(Object obj)
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{
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if (obj instanceof AllPermission)
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return (true);
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return (false);
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}
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/**
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* This method returns a hash code for this object.
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*
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* @return A hash value for this object.
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*/
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public int hashCode()
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{
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return (System.identityHashCode(this));
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}
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/**
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* This method returns the list of actions associated with this object.
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* This will always be the empty string ("") for this class.
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*
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* @return The action list.
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*/
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public String getActions()
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{
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return ("");
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}
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/**
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* This method returns a new instance of <code>PermissionCollection</code>
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* suitable for holding instance of <code>AllPermission</code>.
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*
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* @return A new <code>PermissionCollection</code>.
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*/
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public PermissionCollection newPermissionCollection()
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{
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return (null);
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}
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}
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