-/* UnresolvedPermission.java -- Placeholder for unresolved permissions.
- Copyright (C) 1998, 2001 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;
-
-import java.io.Serializable;
-// All uses of Certificate in this file refer to this class.
-import java.security.cert.Certificate;
-
-/**
- * This class is used to hold instances of all permissions that cannot
- * be resolved to available permission classes when the security
- * <code>Policy</code> object is instantiated. This may happen when the
- * necessary security class has not yet been downloaded from the network.
- * <p>
- * Instances of this class are re-resolved when <code>AccessController</code>
- * check is done. At that time, a scan is made of all existing
- * <code>UnresolvedPermission</code> objects and they are converted to
- * objects of the appropriate permission type if the class for that type
- * is then available.
- *
- * @version 0.0
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- */
-public final class UnresolvedPermission
- extends Permission
- implements Serializable
-{
-
- /**
- * The list of actions associated with this permission object
- */
- private String actions;
-
- /**
- * The list of <code>Certificates</code> associated with this object
- */
- private Certificate[] certs;
-
- /**
- * The name of the class this object should be resolved to.
- */
- private String type;
-
- /**
- * This method initializes a new instance of <code>UnresolvedPermission</code>
- * with all the information necessary to resolve it to an instance of the
- * proper class at a future time.
- *
- * @param type The name of the desired class this permission should be resolved to
- * @param name The name of this permission
- * @param actions The action list for this permission
- * @param certs The list of certificates this permission's class was signed with
- */
- public UnresolvedPermission(String type, String name, String actions,
- Certificate[] certs)
- {
- super(name);
-
- this.type = type;
- this.actions = actions;
- this.certs = certs;
- }
-
- /**
- * This method returns the list of actions associated with this
- * permission.
- *
- * @return The action list
- */
- public String getActions()
- {
- return (actions);
- }
-
- /**
- * This method returns <code>false</code> always to indicate that this
- * permission does not imply the specified permission. An
- * <code>UnresolvedPermission</code> never grants any permissions.
- *
- * @param perm The <code>Permission</code> object to test against - ignored by this class
- *
- * @return <code>false</code> to indicate this permission does not imply the specified permission.
- */
- public boolean implies(Permission perm)
- {
- return (false);
- }
-
- /**
- * This method tests this permission for equality against the specified
- * <code>Object</code>. This will be true if and only if the following
- * conditions are met:
- * <p>
- * <ul>
- * <li>The specified <code>Object</code> is an instance of
- * <code>UnresolvedPermission</code>, or a subclass.
- * <li>The specified permission has the same type (i.e., desired class name)
- * as this permission.
- * <li>The specified permission has the same name as this one.
- * <li>The specified permissoin has the same action list as this one.
- * <li>The specified permission has the same certificate list as this one.
- * </ul>
- *
- * @param obj The <code>Object</code> to test for equality
- *
- * @return <code>true</code> if the specified object is equal to this one, <code>false</code> otherwise.
- */
- public boolean equals(Object obj)
- {
- if (!(obj instanceof UnresolvedPermission))
- return (false);
-
- UnresolvedPermission up = (UnresolvedPermission) obj;
-
- if (!getName().equals(up.getName()))
- return (false);
-
- if (!getActions().equals(up.getActions()))
- return (false);
-
- if (!type.equals(up.type))
- return (false);
-
- if (!certs.equals(up.certs))
- return (false);
-
- return (true);
- }
-
- /**
- * Returns a hash code value for this object.
- *
- * @return A hash value
- */
- public int hashCode()
- {
- return (System.identityHashCode(this));
- }
-
- /**
- * This method returns a <code>String</code> representation of this
- * class. The format is: '(unresolved "ClassName "name" "actions")'
- *
- * @return A <code>String</code> representation of this object
- */
- public String toString()
- {
- return "(unresolved " + type + " " + getName() + " " + getActions() + ")";
- }
-
- /**
- * This class returns a <code>PermissionCollection</code> object that can
- * be used to store instances of <code>UnresolvedPermission</code>. If
- * <code>null</code> is returned, the caller is free to use any desired
- * <code>PermissionCollection</code>.
- *
- * @return A new <code>PermissionCollection</code>.
- */
- public PermissionCollection newPermissionCollection()
- {
- return (null);
- }
-}