com.sun.enterprise.security.CachedPermissionImpl Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.security;
import java.security.Permission;
/**
* This class is
* @author Ron Monzillo
*/
public class CachedPermissionImpl extends Object implements CachedPermission {
PermissionCache permissionCache;
Permission permission;
Epoch epoch;
public CachedPermissionImpl(PermissionCache c, Permission p) {
this.permissionCache = c;
this.permission = p;
epoch = new Epoch();
}
public Permission getPermission() {
return this.permission;
}
public PermissionCache getPermissionCache() {
return this.permissionCache;
}
//synchronization done in PermissionCache
public boolean checkPermission() {
boolean granted = false;
if (permissionCache != null) {
granted = permissionCache.checkPermission(this.permission,this.epoch);
}
return granted;
}
// used to hold last result obtained from cache and cache epoch.
// epoch is used by PermissionCache to determine when result is out of date.
static class Epoch {
int epoch;
boolean granted;
Epoch() {
this.epoch = 0;
this.granted = false;
}
}
}