java.security.UnresolvedPermissionCollection Maven / Gradle / Ivy

/*
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This work corresponds to the API signatures of JSR 219: Foundation
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*/





package java.security;

import java.util.*;
import java.io.ObjectStreamField;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
import java.io.IOException;

/**
 * A UnresolvedPermissionCollection stores a collection
 * of UnresolvedPermission permissions.
 *
 * @see java.security.Permission
 * @see java.security.Permissions
 * @see java.security.UnresolvedPermission
 *
 * @version 1.9 00/02/02
 *
 * @author Roland Schemers
 *
 * @serial include
 */

final class UnresolvedPermissionCollection
extends PermissionCollection
implements java.io.Serializable
{

    /**
     * Create an empty UnresolvedPermissionCollection object.
     *
     */
    public UnresolvedPermissionCollection() {
    }

    /**
     * Adds a permission to this UnresolvedPermissionCollection. 
     * The key for the hash is the unresolved permission's type (class) name.
     *
     * @param permission the Permission object to add.
     */

    public void add(Permission permission)
    {
    }

    /**
     * always returns false for unresolved permissions
     *
     */
    public boolean implies(Permission permission)
    {
	return false;
    }

    /**
     * Returns an enumeration of all the UnresolvedPermission lists in the
     * container.
     *
     * @return an enumeration of all the UnresolvedPermission objects.
     */
    
    public Enumeration elements() {
	return null;
    }

    private static final long serialVersionUID = -7176153071733132400L;

    /**
     * @serialField permissions java.util.Hashtable
     *     A table of the UnresolvedPermissions keyed on type, value is Vector
     *     of permissions
     */
    private static final ObjectStreamField[] serialPersistentFields = {
        new ObjectStreamField("permissions", Hashtable.class),
    };

    /**
     * @serialData Default field.
     */
    private void writeObject(ObjectOutputStream out) throws IOException {
    }

    /*
     * Reads in a Hashtable in which the values are Vectors of
     * UnresolvedPermissions and saves them in the perms field. 
     */
    private void readObject(ObjectInputStream in) throws IOException, 
    ClassNotFoundException {
    }
}