| package org.apache.turbine.util.security; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Turbine" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Turbine", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| import java.io.Serializable; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeMap; |
| |
| import org.apache.commons.lang.StringUtils; |
| |
| /** |
| * This class represents a set of Security Entities. |
| * It makes it easy to build a UI. |
| * It wraps a TreeSet object to enforce that only relevant |
| * methods are available. |
| * TreeSet's contain only unique Objects (no duplicates). |
| * |
| * @author <a href="mailto:jmcnally@collab.net">John D. McNally</a> |
| * @author <a href="mailto:bmclaugh@algx.net">Brett McLaughlin</a> |
| * @author <a href="mailto:marco@intermeta.de">Marco Knüttel</a> |
| * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> |
| * @version $Id$ |
| */ |
| public abstract class SecuritySet |
| implements Serializable |
| { |
| /** Map for "name" -> "security object" */ |
| protected Map nameMap = null; |
| |
| /** Map for "id" -> "security object" */ |
| protected Map idMap = null; |
| |
| /** |
| * Constructs an empty Set |
| */ |
| public SecuritySet() |
| { |
| nameMap = new TreeMap(); |
| idMap = new TreeMap(); |
| } |
| |
| /** |
| * Returns a set of security objects in this object. |
| * |
| * @return A Set Object |
| * |
| */ |
| public Set getSet() |
| { |
| return new HashSet(nameMap.values()); |
| } |
| |
| /** |
| * Returns a set of Names in this Object. |
| * |
| * @return The Set of Names in this Object, |
| * backed by the actual data. |
| */ |
| public Set getNames() |
| { |
| return nameMap.keySet(); |
| } |
| |
| /** |
| * Returns a set of Id values in this Object. |
| * |
| * @return The Set of Ids in this Object, |
| * backed by the actual data. |
| */ |
| public Set getIds() |
| { |
| return idMap.keySet(); |
| } |
| |
| /** |
| * Removes all Objects from this Set. |
| */ |
| public void clear() |
| { |
| nameMap.clear(); |
| idMap.clear(); |
| } |
| |
| /** |
| * Searches if an Object with a given name is in the |
| * Set |
| * |
| * @param roleName Name of the Security Object. |
| * @return True if argument matched an Object in this Set; false |
| * if no match. |
| * @deprecated Use containsName(groupName) instead. |
| */ |
| public boolean contains(String groupName) |
| { |
| return containsName(groupName); |
| } |
| |
| /** |
| * Searches if an Object with a given name is in the |
| * Set |
| * |
| * @param roleName Name of the Security Object. |
| * @return True if argument matched an Object in this Set; false |
| * if no match. |
| */ |
| public boolean containsName(String name) |
| { |
| return (StringUtils.isNotEmpty(name)) ? nameMap.containsKey(name) : false; |
| } |
| |
| /** |
| * Searches if an Object with a given Id is in the |
| * Set |
| * |
| * @param id Id of the Security Object. |
| * @return True if argument matched an Object in this Set; false |
| * if no match. |
| */ |
| public boolean containsId(int id) |
| { |
| return (id == 0) ? false: idMap.containsKey(new Integer(id)); |
| } |
| |
| /** |
| * Returns an Iterator for Objects in this Set. |
| * |
| * @return An iterator for the Set |
| */ |
| public Iterator iterator() |
| { |
| return nameMap.values().iterator(); |
| } |
| |
| /** |
| * @deprecated Use iterator() instead. |
| */ |
| public Iterator elements() |
| { |
| return iterator(); |
| } |
| |
| /** |
| * Returns size (cardinality) of this set. |
| * |
| * @return The cardinality of this Set. |
| */ |
| public int size() |
| { |
| return nameMap.size(); |
| } |
| |
| /** |
| * list of role names in this set |
| * |
| * @return The string representation of this Set. |
| */ |
| public String toString() |
| { |
| StringBuffer sbuf = new StringBuffer(12 * size()); |
| for(Iterator it = nameMap.keySet().iterator(); it.hasNext(); ) |
| { |
| sbuf.append((String) it.next()); |
| |
| if(it.hasNext()) |
| { |
| sbuf.append(", "); |
| } |
| } |
| return sbuf.toString(); |
| } |
| } |
| |