| 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.util.Collection; |
| import java.util.Iterator; |
| |
| import org.apache.commons.lang.StringUtils; |
| |
| import org.apache.turbine.om.security.Group; |
| |
| /** |
| * This class represents a set of Groups. It's useful for building |
| * administration UI. It enforces that only |
| * Group objects are allowed in the set and only relevant methods |
| * are available. |
| * |
| * @author <a href="mailto:john.mcnally@clearink.com">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 class GroupSet |
| extends SecuritySet |
| { |
| /** |
| * Constructs an empty GroupSet |
| */ |
| public GroupSet() |
| { |
| super(); |
| } |
| |
| /** |
| * Constructs a new GroupSet with specified contents. |
| * |
| * If the given collection contains multiple objects that are |
| * identical WRT equals() method, some objects will be overwritten. |
| * |
| * @param groups A collection of groups to be contained in the set. |
| */ |
| public GroupSet(Collection groups) |
| { |
| super(); |
| add(groups); |
| } |
| |
| /** |
| * Adds a Group to this GroupSet. |
| * |
| * @param group A Group. |
| * @return True if Group was added; false if GroupSet |
| * already contained the Group. |
| */ |
| public boolean add(Group group) |
| { |
| boolean res = contains(group); |
| nameMap.put(group.getName(), group); |
| idMap.put(group.getIdAsObj(), group); |
| return res; |
| } |
| |
| /** |
| * Adds the Groups in a Collection to this GroupSet. |
| * |
| * @param groups A Collection of Groups. |
| * @return True if this GroupSet changed as a result; false |
| * if no change to this GroupSet occurred (this GroupSet |
| * already contained all members of the added GroupSet). |
| */ |
| public boolean add(Collection groups) |
| { |
| boolean res = false; |
| for (Iterator it = groups.iterator(); it.hasNext();) |
| { |
| Group g = (Group) it.next(); |
| res |= add(g); |
| } |
| return res; |
| } |
| |
| /** |
| * Adds the Groups in another GroupSet to this GroupSet. |
| * |
| * @param groupSet A GroupSet. |
| * @return True if this GroupSet changed as a result; false |
| * if no change to this GroupSet occurred (this GroupSet |
| * already contained all members of the added GroupSet). |
| */ |
| public boolean add(GroupSet groupSet) |
| { |
| boolean res = false; |
| for( Iterator it = groupSet.iterator(); it.hasNext();) |
| { |
| Group g = (Group) it.next(); |
| res |= add(g); |
| } |
| return res; |
| } |
| |
| /** |
| * Removes a Group from this GroupSet. |
| * |
| * @param group A Group. |
| * @return True if this GroupSet contained the Group |
| * before it was removed. |
| */ |
| public boolean remove(Group group) |
| { |
| boolean res = contains(group); |
| nameMap.remove(group.getName()); |
| idMap.remove(group.getIdAsObj()); |
| return res; |
| } |
| |
| /** |
| * Checks whether this GroupSet contains a Group. |
| * |
| * @param group A Group. |
| * @return True if this GroupSet contains the Group, |
| * false otherwise. |
| */ |
| public boolean contains(Group group) |
| { |
| return nameMap.containsValue((Object) group); |
| } |
| |
| /** |
| * Returns a Group with the given name, if it is contained in |
| * this GroupSet. |
| * |
| * @param groupName Name of Group. |
| * @return Group if argument matched a Group in this |
| * GroupSet; null if no match. |
| * @deprecated Use <a href="#getGroupByName">getGroupByName</a> instead. |
| */ |
| public Group getGroup(String groupName) |
| { |
| return getGroupByName(groupName); |
| } |
| |
| /** |
| * Returns a Group with the given name, if it is contained in |
| * this GroupSet. |
| * |
| * @param groupName Name of Group. |
| * @return Group if argument matched a Group in this |
| * GroupSet; null if no match. |
| */ |
| public Group getGroupByName(String groupName) |
| { |
| return (StringUtils.isNotEmpty(groupName)) |
| ? (Group) nameMap.get(groupName) : null; |
| } |
| |
| /** |
| * Returns a Group with the given id, if it is contained in |
| * this GroupSet. |
| * |
| * @param groupId Id of the group |
| * @return Group if argument matched a Group in this |
| * GroupSet; null if no match. |
| */ |
| public Group getGroupById(int groupId) |
| { |
| return (groupId != 0) |
| ? (Group) idMap.get(new Integer(groupId)) : null; |
| } |
| |
| /** |
| * Returns an Array of Groups in this GroupSet. |
| * |
| * @return An Array of Group objects. |
| */ |
| public Group[] getGroupsArray() |
| { |
| return (Group[]) getSet().toArray(new Group[0]); |
| } |
| |
| /** |
| * Print out a GroupSet as a String |
| * |
| * @returns The Group Set as String |
| * |
| */ |
| public String toString() |
| { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("GroupSet: "); |
| |
| for(Iterator it = iterator(); it.hasNext();) |
| { |
| Group g = (Group) it.next(); |
| sb.append('['); |
| sb.append(g.getName()); |
| sb.append(" -> "); |
| sb.append(g.getIdAsObj()); |
| sb.append(']'); |
| if (it.hasNext()) |
| { |
| sb.append(", "); |
| } |
| } |
| |
| return sb.toString(); |
| } |
| } |