Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
GroupSet |
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| 1.5454545454545454;1,545 |
1 | package org.apache.turbine.util.security; | |
2 | ||
3 | ||
4 | /* | |
5 | * Licensed to the Apache Software Foundation (ASF) under one | |
6 | * or more contributor license agreements. See the NOTICE file | |
7 | * distributed with this work for additional information | |
8 | * regarding copyright ownership. The ASF licenses this file | |
9 | * to you under the Apache License, Version 2.0 (the | |
10 | * "License"); you may not use this file except in compliance | |
11 | * with the License. You may obtain a copy of the License at | |
12 | * | |
13 | * http://www.apache.org/licenses/LICENSE-2.0 | |
14 | * | |
15 | * Unless required by applicable law or agreed to in writing, | |
16 | * software distributed under the License is distributed on an | |
17 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
18 | * KIND, either express or implied. See the License for the | |
19 | * specific language governing permissions and limitations | |
20 | * under the License. | |
21 | */ | |
22 | ||
23 | ||
24 | import java.util.Collection; | |
25 | import java.util.Iterator; | |
26 | ||
27 | import org.apache.commons.lang.StringUtils; | |
28 | import org.apache.turbine.om.security.Group; | |
29 | ||
30 | /** | |
31 | * This class represents a set of Groups. It's useful for building | |
32 | * administration UI. It enforces that only | |
33 | * Group objects are allowed in the set and only relevant methods | |
34 | * are available. | |
35 | * | |
36 | * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a> | |
37 | * @author <a href="mailto:bmclaugh@algx.net">Brett McLaughlin</a> | |
38 | * @author <a href="mailto:marco@intermeta.de">Marco Knüttel</a> | |
39 | * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> | |
40 | * @version $Id: GroupSet.java 1073174 2011-02-21 22:18:45Z tv $ | |
41 | */ | |
42 | public class GroupSet | |
43 | extends SecuritySet<Group> | |
44 | { | |
45 | /** Serial version */ | |
46 | private static final long serialVersionUID = -80412911083063489L; | |
47 | ||
48 | /** | |
49 | * Constructs an empty GroupSet | |
50 | */ | |
51 | public GroupSet() | |
52 | { | |
53 | 0 | super(); |
54 | 0 | } |
55 | ||
56 | /** | |
57 | * Constructs a new GroupSet with specified contents. | |
58 | * | |
59 | * If the given collection contains multiple objects that are | |
60 | * identical WRT equals() method, some objects will be overwritten. | |
61 | * | |
62 | * @param groups A collection of groups to be contained in the set. | |
63 | */ | |
64 | public GroupSet(Collection<Group> groups) | |
65 | { | |
66 | 0 | super(); |
67 | 0 | add(groups); |
68 | 0 | } |
69 | ||
70 | /** | |
71 | * Adds a Group to this GroupSet. | |
72 | * | |
73 | * @param group A Group. | |
74 | * @return True if Group was added; false if GroupSet | |
75 | * already contained the Group. | |
76 | */ | |
77 | public boolean add(Group group) | |
78 | { | |
79 | 0 | boolean res = contains(group); |
80 | 0 | nameMap.put(group.getName(), group); |
81 | 0 | idMap.put(group.getIdAsObj(), group); |
82 | 0 | return res; |
83 | } | |
84 | ||
85 | /** | |
86 | * Adds the Groups in a Collection to this GroupSet. | |
87 | * | |
88 | * @param groups A Collection of Groups. | |
89 | * @return True if this GroupSet changed as a result; false | |
90 | * if no change to this GroupSet occurred (this GroupSet | |
91 | * already contained all members of the added GroupSet). | |
92 | */ | |
93 | public boolean add(Collection<Group> groups) | |
94 | { | |
95 | 0 | boolean res = false; |
96 | 0 | for (Group g : groups) |
97 | { | |
98 | 0 | res |= add(g); |
99 | } | |
100 | 0 | return res; |
101 | } | |
102 | ||
103 | /** | |
104 | * Adds the Groups in another GroupSet to this GroupSet. | |
105 | * | |
106 | * @param groupSet A GroupSet. | |
107 | * @return True if this GroupSet changed as a result; false | |
108 | * if no change to this GroupSet occurred (this GroupSet | |
109 | * already contained all members of the added GroupSet). | |
110 | */ | |
111 | public boolean add(GroupSet groupSet) | |
112 | { | |
113 | 0 | boolean res = false; |
114 | 0 | for(Group g : groupSet) |
115 | { | |
116 | 0 | res |= add(g); |
117 | } | |
118 | 0 | return res; |
119 | } | |
120 | ||
121 | /** | |
122 | * Removes a Group from this GroupSet. | |
123 | * | |
124 | * @param group A Group. | |
125 | * @return True if this GroupSet contained the Group | |
126 | * before it was removed. | |
127 | */ | |
128 | public boolean remove(Group group) | |
129 | { | |
130 | 0 | boolean res = contains(group); |
131 | 0 | nameMap.remove(group.getName()); |
132 | 0 | idMap.remove(group.getIdAsObj()); |
133 | 0 | return res; |
134 | } | |
135 | ||
136 | /** | |
137 | * Checks whether this GroupSet contains a Group. | |
138 | * | |
139 | * @param group A Group. | |
140 | * @return True if this GroupSet contains the Group, | |
141 | * false otherwise. | |
142 | */ | |
143 | public boolean contains(Group group) | |
144 | { | |
145 | 0 | return nameMap.containsValue(group); |
146 | } | |
147 | ||
148 | /** | |
149 | * Returns a Group with the given name, if it is contained in | |
150 | * this GroupSet. | |
151 | * | |
152 | * @param groupName Name of Group. | |
153 | * @return Group if argument matched a Group in this | |
154 | * GroupSet; null if no match. | |
155 | */ | |
156 | public Group getGroupByName(String groupName) | |
157 | { | |
158 | 0 | return (StringUtils.isNotEmpty(groupName)) |
159 | ? (Group) nameMap.get(groupName) : null; | |
160 | } | |
161 | ||
162 | /** | |
163 | * Returns a Group with the given id, if it is contained in | |
164 | * this GroupSet. | |
165 | * | |
166 | * @param groupId Id of the group | |
167 | * @return Group if argument matched a Group in this | |
168 | * GroupSet; null if no match. | |
169 | */ | |
170 | public Group getGroupById(int groupId) | |
171 | { | |
172 | 0 | return (groupId != 0) |
173 | ? (Group) idMap.get(new Integer(groupId)) : null; | |
174 | } | |
175 | ||
176 | /** | |
177 | * Returns an Array of Groups in this GroupSet. | |
178 | * | |
179 | * @return An Array of Group objects. | |
180 | */ | |
181 | public Group[] getGroupsArray() | |
182 | { | |
183 | 0 | return getSet().toArray(new Group[0]); |
184 | } | |
185 | ||
186 | /** | |
187 | * Print out a GroupSet as a String | |
188 | * | |
189 | * @returns The Group Set as String | |
190 | * | |
191 | */ | |
192 | @Override | |
193 | public String toString() | |
194 | { | |
195 | 0 | StringBuffer sb = new StringBuffer(); |
196 | 0 | sb.append("GroupSet: "); |
197 | ||
198 | 0 | for(Iterator<Group> it = iterator(); it.hasNext();) |
199 | { | |
200 | 0 | Group g = it.next(); |
201 | 0 | sb.append('['); |
202 | 0 | sb.append(g.getName()); |
203 | 0 | sb.append(" -> "); |
204 | 0 | sb.append(g.getIdAsObj()); |
205 | 0 | sb.append(']'); |
206 | 0 | if (it.hasNext()) |
207 | { | |
208 | 0 | sb.append(", "); |
209 | } | |
210 | 0 | } |
211 | ||
212 | 0 | return sb.toString(); |
213 | } | |
214 | } |