Apache CXF example source code file (SimpleGroup.java)

This example Apache CXF source code file (SimpleGroup.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 - Apache CXF tags/keywords

enumeration, enumeration, group, hashset, iterator, principal, principal, security, set, simplegroup, simplegroup, simpleprincipal, simpleprincipal, string, util

The Apache CXF SimpleGroup.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.cxf.common.security;

import java.security.Principal;
import java.security.acl.Group;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

/**
 * Simple Group implementation
 *
 */
public class SimpleGroup extends SimplePrincipal implements Group {
    
    private Set<Principal> members = new HashSet();
    
    public SimpleGroup(String groupName) {
        super(groupName);
    }
    
    public SimpleGroup(String groupName, String memberName) {
        super(groupName);
        members.add(new SimplePrincipal(memberName));
    }
    
    public SimpleGroup(String groupName, Principal member) {
        super(groupName);
        members.add(member);
    }

    public boolean isMember(Principal p) {
        return members.contains(p);
    }

    public boolean addMember(Principal p) {
        return members.add(p);
    }
    
    public Enumeration<? extends Principal> members() {
        
        final Iterator<Principal> it = members.iterator();
        
        return new Enumeration<Principal>() {

            public boolean hasMoreElements() {
                return it.hasNext();
            }

            public Principal nextElement() {
                return it.next();
            }
            
        };
    }

    public boolean removeMember(Principal p) {
        return members.remove(p);
    }
    
    public boolean equals(Object obj) {
        if (!(obj instanceof SimpleGroup)) {
            return false;
        }
        SimpleGroup other = (SimpleGroup)obj;
        return getName().equals(other.getName()) && members.equals(other.members);
    }
    
    public int hashCode() {
        return getName().hashCode() + 37 * members.hashCode();
    }
}