alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Glassfish example source code file (MethodPermission.java)

This example Glassfish source code file (MethodPermission.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

descriptor, descriptor, methodpermission, methodpermission, role, role

The Glassfish MethodPermission.java source code

/*
 * 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.deployment;

/**
 * Represents a method permission. A method permission can be associated to 
 * a role, be unchecked or excluded.
 * 
 * @author  Jerome Dochez
 * @version 
 */
public class MethodPermission extends Descriptor {

    private static MethodPermission unchecked;
    private static MethodPermission excluded;
    private boolean isUnchecked = false;
    private boolean isExcluded = false;
    private Role role;
    
    /**
     * construct a new MethodPermission based on a security role
     * 
     * @param role the security role associated to the method permission
     */
    public MethodPermission(Role role) {
        this.role = role;
    }

    // We don't want uninitialized method permissins
    private MethodPermission() {
    }
    
    /**
     * @return an unchecked method permission. Methods associated with such a 
     * method permission can be invoked by anyone
     */
    public static MethodPermission getUncheckedMethodPermission() {
        if (unchecked==null) {
            unchecked = new MethodPermission();
            unchecked.isUnchecked=true;   
        }
        return unchecked;
    }
    
    /**
     * @return an ecluded method permission. Methods associated with such a 
     * method permission cannot be invoked by anyone.
     */
    public static MethodPermission getExcludedMethodPermission() {
        if (excluded==null) {
            excluded = new MethodPermission();
            excluded.isExcluded=true;   
        }
        return excluded;
    }    
    
    /**
     * @return true if the method permission is based on a security role
     */
    public boolean isRoleBased() {
        return role!=null;
    }
    
    /**
     * @return true if the method permission is unchecked
     */
    public boolean isUnchecked() {
        return isUnchecked;
    }
    
    /** 
     * @return true if the method permission is excluded
     */
    public boolean isExcluded() {
        return isExcluded;
    }
    
    /**
     * @return the security role associated with this method permission when
     * applicable (role based method permission)
     */
    public Role getRole() {
        return role;
    }
    
    // For Map storage
    public int hashCode() {
        if (role!=null)
            return role.hashCode();
        else
            return super.hashCode();
    }
    
    // for Map storage
    public boolean equals(Object other) {
	boolean ret = false;
	if(other instanceof MethodPermission) {
            MethodPermission o = (MethodPermission) other;
            if (isRoleBased()) {
	        ret = role.equals(o.getRole());
            } else {
                ret = (isExcluded == o.isExcluded()) && (isUnchecked == o.isUnchecked());
            }
	}	
	return ret;
    }    
    
    public void print(StringBuffer toStringBuffer) {
        if (isRoleBased()) {
            toStringBuffer.append(role.toString());
        } else {
            if (isExcluded) 
                toStringBuffer.append("excluded");
            else 
                toStringBuffer.append("unchecked");
        }
    }
}
        

Other Glassfish examples (source code examples)

Here is a short list of links related to this Glassfish MethodPermission.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.