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1
40 package org.dspace.administer;
41
42 import java.io.IOException  ;
43 import java.sql.SQLException ;
44
45 import org.apache.commons.cli.CommandLine;
46 import org.apache.commons.cli.CommandLineParser;
47 import org.apache.commons.cli.HelpFormatter;
48 import org.apache.commons.cli.Options;
49 import org.apache.commons.cli.PosixParser;
50 import org.dspace.authorize.AuthorizeException;
51 import org.dspace.content.Community;
52 import org.dspace.core.Constants;
53 import org.dspace.core.Context;
54 import org.dspace.handle.HandleManager;
55 import org.dspace.storage.rdbms.DatabaseManager;
56
57
64
65 public class CommunityFiliator
66 {
67 public static void main(String [] argv) throws Exception
68 {
69 CommandLineParser parser = new PosixParser();
71
72 Options options = new Options();
73
74 options.addOption("s", "set", false, "set a parent/child relationship");
75 options.addOption("r", "remove", false,
76 "remove a parent/child relationship");
77 options.addOption("p", "parent", true,
78 "parent community (handle or database ID)");
79 options.addOption("c", "child", true,
80 "child community (handle or databaseID)");
81 options.addOption("h", "help", false, "help");
82
83 CommandLine line = parser.parse(options, argv);
84
85 String command = null; String parentID = null;
87 String childID = null;
88
89 if (line.hasOption('h'))
90 {
91 HelpFormatter myhelp = new HelpFormatter();
92 myhelp.printHelp("CommunityFiliator\n", options);
93 System.out
94 .println("\nestablish a relationship: CommunityFiliator -s -p parentID -c childID");
95 System.out
96 .println("remove a relationship: CommunityFiliator -r -p parentID -c childID");
97
98 System.exit(0);
99 }
100
101 if (line.hasOption('s'))
102 {
103 command = "set";
104 }
105
106 if (line.hasOption('r'))
107 {
108 command = "remove";
109 }
110
111 if (line.hasOption('p')) {
113 parentID = line.getOptionValue('p');
114 }
115
116 if (line.hasOption('c')) {
118 childID = line.getOptionValue('c');
119 }
120
121 if (command == null)
124 {
125 System.out
126 .println("Error - must run with either set or remove (run with -h flag for details)");
127 System.exit(1);
128 }
129
130 if (command.equals("set") || command.equals("remove"))
131 {
132 if (parentID == null)
133 {
134 System.out
135 .println("Error - a parentID must be specified (run with -h flag for details)");
136 System.exit(1);
137 }
138
139 if (childID == null)
140 {
141 System.out
142 .println("Error - a childID must be specified (run with -h flag for details)");
143 System.exit(1);
144 }
145 }
146
147 CommunityFiliator filiator = new CommunityFiliator();
148 Context c = new Context();
149
150 c.setIgnoreAuthorization(true);
152
153 try
154 {
155 Community parent = filiator.resolveCommunity(c, parentID);
157 Community child = filiator.resolveCommunity(c, childID);
158
159 if (parent == null)
160 {
161 System.out.println("Error, parent community cannot be found: "
162 + parentID);
163 System.exit(1);
164 }
165
166 if (child == null)
167 {
168 System.out.println("Error, child community cannot be found: "
169 + childID);
170 System.exit(1);
171 }
172
173 if (command.equals("set"))
174 {
175 filiator.filiate(c, parent, child);
176 }
177 else
178 {
179 filiator.defiliate(c, parent, child);
180 }
181 }
182 catch (SQLException sqlE)
183 {
184 System.out.println("Error - SQL exception: " + sqlE.toString());
185 }
186 catch (AuthorizeException authE)
187 {
188 System.out.println("Error - Authorize exception: "
189 + authE.toString());
190 }
191 catch (IOException ioE)
192 {
193 System.out.println("Error - IO exception: " + ioE.toString());
194 }
195 }
196
197 public void filiate(Context c, Community parent, Community child)
198 throws SQLException , AuthorizeException, IOException
199 {
200 Community childDad = child.getParentCommunity();
204
205 if (childDad != null)
206 {
207 System.out.println("Error, child community: " + child.getID()
208 + " already a child of: " + childDad.getID());
209 System.exit(1);
210 }
211
212 Community[] parentDads = parent.getAllParents();
215
216 for (int i = 0; i < parentDads.length; i++)
217 {
218 if (parentDads[i].getID() == child.getID())
219 {
220 System.out
221 .println("Error, circular parentage - child is parent of parent");
222 System.exit(1);
223 }
224 }
225
226 parent.addSubcommunity(child);
228
229 c.complete();
231 System.out.println("Filiation complete. Community: '" + parent.getID()
232 + "' is parent of community: '" + child.getID() + "'");
233 }
234
235 public void defiliate(Context c, Community parent, Community child)
236 throws SQLException , AuthorizeException, IOException
237 {
238 Community[] parentKids = parent.getSubcommunities();
240 boolean isChild = false;
241
242 for (int i = 0; i < parentKids.length; i++)
243 {
244 if (parentKids[i].getID() == child.getID())
245 {
246 isChild = true;
247
248 break;
249 }
250 }
251
252 if (!isChild)
253 {
254 System.out
255 .println("Error, child community not a child of parent community");
256 System.exit(1);
257 }
258
259 DatabaseManager.updateQuery(c,
262 "DELETE FROM community2community WHERE parent_comm_id= ? "+
263 "AND child_comm_id= ? ", parent.getID(), child.getID());
264
265 c.complete();
267 System.out.println("Defiliation complete. Community: '" + child.getID()
268 + "' is no longer a child of community: '" + parent.getID()
269 + "'");
270 }
271
272 private Community resolveCommunity(Context c, String communityID)
273 throws SQLException
274 {
275 Community community = null;
276
277 if (communityID.indexOf('/') != -1)
278 {
279 community = (Community) HandleManager.resolveToObject(c,
281 communityID);
282
283 if ((community == null)
285 || (community.getType() != Constants.COMMUNITY))
286 {
287 community = null;
288 }
289 }
290 else
291 {
292 community = Community.find(c, Integer.parseInt(communityID));
293 }
294
295 return community;
296 }
297 }
298 |
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