summaryrefslogtreecommitdiffstats
path: root/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/WorldDataHolder.java
blob: 7dbeea7b1c70d0dc70bae6801f492d89fcc61e6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.anjocaido.groupmanager.dataholder;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.anjocaido.groupmanager.GroupManager;
import org.anjocaido.groupmanager.data.Group;
import org.anjocaido.groupmanager.data.User;
import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
import org.bukkit.Server;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginManager;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.SafeConstructor;
import org.yaml.snakeyaml.reader.UnicodeReader;

/**
 *
 * @author gabrielcouto
 */
public class WorldDataHolder {

    /**
     * World name
     */
    protected String name;
    /**
     * The actual groups holder
     */
    protected Map<String, Group> groups = new HashMap<String, Group>();
	/**
     * The actual users holder
     */
    protected Map<String, User> users = new HashMap<String, User>();
    
	/**
     * Points to the default group
     */
    protected Group defaultGroup = null;
    
    /**
     * The file, which this class loads/save data from/to
     * @deprecated
     */
    @Deprecated
    protected File f;
    
    /**
     *
     */
    protected AnjoPermissionsHandler permissionsHandler;
    /**
     *
     */
    protected File usersFile;
    /**
     *
     */
    protected File groupsFile;
    /**
     *
     */
    protected boolean haveUsersChanged = false;
    /**
     *
     */
    protected boolean haveGroupsChanged = false;
    /**
    *
    */
    protected long timeStampGroups = 0;
	/**
    *
    */
    protected long timeStampUsers = 0;

    
	/**
     * Prevent direct instantiation
     * @param worldName
     */
    protected WorldDataHolder(String worldName) {
        name = worldName;
    }

    /**
     * The main constructor for a new WorldDataHolder
     * Please don't set the default group as null
     * @param worldName
     * @param defaultGroup the default group. its good to start with one
     */
    public WorldDataHolder(String worldName, Group defaultGroup) {
        this.name = worldName;
        groups.put(defaultGroup.getName().toLowerCase(), defaultGroup);
        this.defaultGroup = defaultGroup;
    }

    /**
     * Search for a user. If it doesn't exist, create a new one with
     * default group.
     *
     * @param userName the name of the user
     * @return class that manage that user permission
     */
    public User getUser(String userName) {
        if (users.containsKey(userName.toLowerCase())) {
            return users.get(userName.toLowerCase());
        }
        User newUser = createUser(userName);
        return newUser;
    }

    /**
     * Add a user to the list. If it already exists, overwrite the old.
     * @param theUser the user you want to add to the permission list
     */
    public void addUser(User theUser) {
        if (theUser.getDataSource() != this) {
            theUser = theUser.clone(this);
        }
        if (theUser == null) {
            return;
        }
        if ((theUser.getGroup() == null)) {
            theUser.setGroup(defaultGroup);
        }
        removeUser(theUser.getName());
        users.put(theUser.getName().toLowerCase(), theUser);
        haveUsersChanged = true;
    }

    /**
     * Removes the user from the list. (he might become a default user)
     * @param userName the username from the user to remove
     * @return true if it had something to remove
     */
    public boolean removeUser(String userName) {
        if (users.containsKey(userName.toLowerCase())) {
            users.remove(userName.toLowerCase());
            haveUsersChanged = true;
            return true;
        }
        return false;
    }

    /**
     *
     * @param userName
     * @return true if we have data for this player.
     */
    public boolean isUserDeclared(String userName) {
        return users.containsKey(userName.toLowerCase());
    }

    /**
     * Change the default group of the file.
     * @param group the group you want make default.
     */
    public void setDefaultGroup(Group group) {
        if (!groups.containsKey(group.getName().toLowerCase()) || (group.getDataSource() != this)) {
            addGroup(group);
        }
        defaultGroup = this.getGroup(group.getName());
        haveGroupsChanged = true;
    }

    /**
     * Returns the default group of the file
     * @return the default group
     */
    public Group getDefaultGroup() {
        return defaultGroup;
    }

    /**
     * Returns a group of the given name
     * @param groupName the name of the group
     * @return a group if it is found. null if not found.
     */
    public Group getGroup(String groupName) {
    	if (groupName.startsWith("g:"))
    		return GroupManager.getGlobalGroups().getGroup(groupName);
    	else
    		return groups.get(groupName.toLowerCase());
    }

    /**
     * Check if a group exists.
     * Its the same of getGroup, but check if it is null.
     * @param groupName the name of the group
     * @return true if exists. false if not.
     */
    public boolean groupExists(String groupName) {
    	if (groupName.startsWith("g:"))
    		return GroupManager.getGlobalGroups().hasGroup(groupName);
    	else
    		return groups.containsKey(groupName.toLowerCase());
    }

    /**
     * Add a group to the list
     * @param groupToAdd
     */
    public void addGroup(Group groupToAdd) {
    	if (groupToAdd.getName().startsWith("g:")) {
    		GroupManager.getGlobalGroups().addGroup(groupToAdd);
        	return;
        }
    	
        if (groupToAdd.getDataSource() != this) {
            groupToAdd = groupToAdd.clone(this);
        }
        removeGroup(groupToAdd.getName());
        groups.put(groupToAdd.getName().toLowerCase(), groupToAdd);
        haveGroupsChanged = true;
    }

    /**
     * Remove the group to the list
     * @param groupName
     * @return true if had something to remove. false the group was default or non-existant
     */
    public boolean removeGroup(String groupName) {
    	if (groupName.startsWith("g:")) {
        	return GroupManager.getGlobalGroups().removeGroup(groupName);
        }
    	
        if (defaultGroup != null && groupName.equalsIgnoreCase(defaultGroup.getName())) {
            return false;
        }
        if (groups.containsKey(groupName.toLowerCase())) {
            groups.remove(groupName.toLowerCase());
            haveGroupsChanged = true;
            return true;
        }
        return false;

    }

    /**
     * Creates a new User with the given name
     * and adds it to this holder.
     * @param userName the username you want
     * @return null if user already exists. or new User
     */
    public User createUser(String userName) {
        if (this.users.containsKey(userName.toLowerCase())) {
            return null;
        }
        User newUser = new User(this, userName);
        newUser.setGroup(defaultGroup);
        this.addUser(newUser);
        haveUsersChanged = true;
        return newUser;
    }

    /**
     * Creates a new Group with the given name
     * and adds it to this holder
     * @param groupName the groupname you want
     * @return null if group already exists. or new Group
     */
    public Group createGroup(String groupName) {
    	if (groupName.startsWith("g:")) {
        	Group newGroup = new Group(groupName);
        	return GroupManager.getGlobalGroups().newGroup(newGroup);
        }
    	
    	if (this.groups.containsKey(groupName.toLowerCase())) {
            return null;
        }
        
    	Group newGroup = new Group(this, groupName);
        this.addGroup(newGroup);
        haveGroupsChanged = true;
        return newGroup;
    }

    /**
     *
     * @return a collection of the groups
     */
    public Collection<Group> getGroupList() {
        return groups.values();
    }

    /**
     *
     * @return a collection of the users
     */
    public Collection<User> getUserList() {
        return users.values();
    }

    /**
     * reads the file again
     */
    public void reload() {
        try {
        	reloadGroups();
        	reloadUsers();
        } catch (Exception ex) {
            Logger.getLogger(WorldDataHolder.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    /**
     * Refresh Group data from file
     */
    public void reloadGroups() {
    	GroupManager.setLoaded(false);
    	try {
    		// temporary holder in case the load fails.
    		WorldDataHolder ph = new WorldDataHolder(this.getName());

    		loadGroups(ph, getGroupsFile());
    		// transfer new data
    		resetGroups();
    		for (Group tempGroup : ph.getGroupList()) {
    			tempGroup.clone(this);
    		}
    		this.setDefaultGroup(this.getGroup(ph.getDefaultGroup().getName()));
    		this.removeGroupsChangedFlag();
    		this.timeStampGroups = getGroupsFile().lastModified();
    		
    		ph = null;
    	} catch (Exception ex) {
            Logger.getLogger(WorldDataHolder.class.getName()).log(Level.WARNING, null, ex);
        }
    	GroupManager.setLoaded(true);
    }
    
    /**
     * Refresh Users data from file
     */
    public void reloadUsers() {
    	GroupManager.setLoaded(false);
    	try {
    		// temporary holder in case the load fails.
    		WorldDataHolder ph = new WorldDataHolder(this.getName());
    		// copy groups for reference
    		for (Group tempGroup : this.getGroupList()) {
    			tempGroup.clone(ph);
    		}
    		// setup the default group before loading user data.
    		ph.setDefaultGroup(ph.getGroup(this.getDefaultGroup().getName()));
    		loadUsers(ph, getUsersFile());
    		// transfer new data
    		resetUsers();
    		for (User tempUser : ph.getUserList()) {
    			tempUser.clone(this);
    		}
    		this.removeUsersChangedFlag();
    		this.timeStampUsers = getUsersFile().lastModified();
    		
    		ph = null;
    	} catch (Exception ex) {
            Logger.getLogger(WorldDataHolder.class.getName()).log(Level.WARNING, null, ex);
        } 
    	GroupManager.setLoaded(true);
    }

    /**
     * Save by yourself!
     * @deprecated
     */
    @Deprecated
    public void commit() {
        writeGroups(this, getGroupsFile());
        writeUsers(this, getUsersFile());
    }

    /**
     * Returns a data holder for the given file
     * 
     * @param worldName
     * @param file
     * @return a new WorldDataHolder
     * 
     * @throws Exception
     * @deprecated
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    @Deprecated
    public static WorldDataHolder load(String worldName, File file) throws Exception {
        WorldDataHolder ph = new WorldDataHolder(worldName);
        ph.f = file;
        final Yaml yaml = new Yaml(new SafeConstructor());
        Map<String, Object> rootDataNode;
        if (!file.exists()) {
            throw new Exception("The file which should contain permissions does not exist!\n" + file.getPath());
        }
        FileInputStream rx = new FileInputStream(file);
        try {
            rootDataNode = (Map<String, Object>) yaml.load(new UnicodeReader(rx));
            if (rootDataNode == null) {
                throw new NullPointerException();
            }
        } catch (Exception ex) {
            throw new Exception("The following file couldn't pass on Parser.\n" + file.getPath(), ex);
        } finally {
            rx.close();
        }
        Map<String, List<String>> inheritance = new HashMap<String, List<String>>();
        try {
            Map<String, Object> allGroupsNode = (Map<String, Object>) rootDataNode.get("groups");
            for (String groupKey : allGroupsNode.keySet()) {
                Map<String, Object> thisGroupNode = (Map<String, Object>) allGroupsNode.get(groupKey);
                Group thisGrp = ph.createGroup(groupKey);
                if (thisGrp == null) {
                    throw new IllegalArgumentException("I think this group was declared more than once: " + groupKey);
                }
                if (thisGroupNode.get("default") == null) {
                    thisGroupNode.put("default", false);
                }
                if ((Boolean.parseBoolean(thisGroupNode.get("default").toString()))) {
                    if (ph.getDefaultGroup() != null) {
                        GroupManager.logger.warning("The group " + thisGrp.getName() + " is declaring be default where" + ph.getDefaultGroup().getName() + " already was.");
                        GroupManager.logger.warning("Overriding first request.");
                    }
                    ph.setDefaultGroup(thisGrp);
                }

                //PERMISSIONS NODE
                if (thisGroupNode.get("permissions") == null) {
                    thisGroupNode.put("permissions", new ArrayList<String>());
                }
                if (thisGroupNode.get("permissions") instanceof List) {
                    for (Object o : ((List) thisGroupNode.get("permissions"))) {
                        thisGrp.addPermission(o.toString());
                    }
                } else if (thisGroupNode.get("permissions") instanceof String) {
                    thisGrp.addPermission((String) thisGroupNode.get("permissions"));
                } else {
                    throw new IllegalArgumentException("Unknown type of permissions node(Should be String or List<String>): " + thisGroupNode.get("permissions").getClass().getName());
                }

                //INFO NODE
                Map<String, Object> infoNode = (Map<String, Object>) thisGroupNode.get("info");
                if (infoNode != null) {
                    thisGrp.setVariables(infoNode);
                }

                //END INFO NODE

                Object inheritNode = thisGroupNode.get("inheritance");
                if (inheritNode == null) {
                    thisGroupNode.put("inheritance", new ArrayList<String>());
                } else if (inheritNode instanceof List) {
                    List<String> groupsInh = (List<String>) inheritNode;
                    for (String grp : groupsInh) {
                        if (inheritance.get(groupKey) == null) {
                            List<String> thisInherits = new ArrayList<String>();
                            inheritance.put(groupKey, thisInherits);
                        }
                        inheritance.get(groupKey).add(grp);

                    }
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
            throw new Exception("Your Permissions config file is invalid. See console for details.");
        }
        if (ph.defaultGroup == null) {
            throw new IllegalArgumentException("There was no Default Group declared.");
        }
        for (String groupKey : inheritance.keySet()) {
            List<String> inheritedList = inheritance.get(groupKey);
            Group thisGroup = ph.getGroup(groupKey);
            for (String inheritedKey : inheritedList) {
                Group inheritedGroup = ph.getGroup(inheritedKey);
                if (thisGroup != null && inheritedGroup != null) {
                    thisGroup.addInherits(inheritedGroup);
                }
            }
        }
        // Process USERS
        Map<String, Object> allUsersNode = (Map<String, Object>) rootDataNode.get("users");
        for (String usersKey : allUsersNode.keySet()) {
            Map<String, Object> thisUserNode = (Map<String, Object>) allUsersNode.get(usersKey);
            User thisUser = ph.createUser(usersKey);
            if (thisUser == null) {
                GroupManager.logger.warning("I think this user was declared more than once: " + usersKey);
                continue;
            }
            if (thisUserNode.get("permissions") == null) {
                thisUserNode.put("permissions", new ArrayList<String>());
            }
            if (thisUserNode.get("permissions") instanceof List) {
                for (Object o : ((List) thisUserNode.get("permissions"))) {
                    thisUser.addPermission(o.toString());
                }
            } else if (thisUserNode.get("permissions") instanceof String) {
                thisUser.addPermission(thisUserNode.get("permissions").toString());
            }


            //USER INFO NODE - BETA

            //INFO NODE
            Map<String, Object> infoNode = (Map<String, Object>) thisUserNode.get("info");
            if (infoNode != null) {
                thisUser.setVariables(infoNode);
            }
            //END INFO NODE - BETA

            if (thisUserNode.get("group") != null) {
                Group hisGroup = ph.getGroup(thisUserNode.get("group").toString());
                if (hisGroup == null) {
                    GroupManager.logger.warning("There is no group " + thisUserNode.get("group").toString() + ", as stated for player " + thisUser.getName());
                    thisUser.setGroup(ph.defaultGroup);
                }
                thisUser.setGroup(hisGroup);
            } else {
                thisUser.setGroup(ph.defaultGroup);
            }
        }
        return ph;
    }

    /**
     * Returns a NEW data holder containing data read from the files
     * 
     * @param worldName
     * @param groupsFile
     * @param usersFile
     * 
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static WorldDataHolder load(String worldName, File groupsFile, File usersFile) throws FileNotFoundException, IOException {
    	WorldDataHolder ph = new WorldDataHolder(worldName);
    	
    	GroupManager.setLoaded(false);
    	loadGroups(ph, groupsFile);
    	loadUsers(ph, usersFile);
    	GroupManager.setLoaded(true);
    	
    	return ph;
    }
    
    /**
     * Updates the WorldDataHolder from the Groups file
     * 
     * @param ph
     * @param groupsFile
     * 
     * @throws FileNotFoundException
     * @throws IOException
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    protected static void loadGroups(WorldDataHolder ph, File groupsFile) throws FileNotFoundException, IOException {

        //READ GROUPS FILE
        Yaml yamlGroups = new Yaml(new SafeConstructor());
        Map<String, Object> groupsRootDataNode;
        if (!groupsFile.exists()) {
            throw new IllegalArgumentException("The file which should contain groups does not exist!\n" + groupsFile.getPath());
        }
        FileInputStream groupsInputStream = new FileInputStream(groupsFile);
        try {
            groupsRootDataNode = (Map<String, Object>) yamlGroups.load(new UnicodeReader(groupsInputStream));
            if (groupsRootDataNode == null) {
                throw new NullPointerException();
            }
        } catch (Exception ex) {
            throw new IllegalArgumentException("The following file couldn't pass on Parser.\n" + groupsFile.getPath(), ex);
        } finally {
            groupsInputStream.close();
        }

        //PROCESS GROUPS FILE
        Map<String, List<String>> inheritance = new HashMap<String, List<String>>();
        //try {
            Map<String, Object> allGroupsNode = (Map<String, Object>) groupsRootDataNode.get("groups");
            for (String groupKey : allGroupsNode.keySet()) {
                Map<String, Object> thisGroupNode = (Map<String, Object>) allGroupsNode.get(groupKey);
                Group thisGrp = ph.createGroup(groupKey);
                if (thisGrp == null) {
                    throw new IllegalArgumentException("I think this user was declared more than once: " + groupKey);
                }
                if (thisGroupNode.get("default") == null) {
                    thisGroupNode.put("default", false);
                }
                if ((Boolean.parseBoolean(thisGroupNode.get("default").toString()))) {
                    if (ph.getDefaultGroup() != null) {
                        GroupManager.logger.warning("The group " + thisGrp.getName() + " is claiming to be default where" + ph.getDefaultGroup().getName() + " already was.");
                        GroupManager.logger.warning("Overriding first request.");
                    }
                    ph.setDefaultGroup(thisGrp);
                }

                //PERMISSIONS NODE
                if (thisGroupNode.get("permissions") == null) {
                    thisGroupNode.put("permissions", new ArrayList<String>());
                }
                if (thisGroupNode.get("permissions") instanceof List) {
                    for (Object o : ((List) thisGroupNode.get("permissions"))) {
                        thisGrp.addPermission(o.toString());
                    }
                } else if (thisGroupNode.get("permissions") instanceof String) {
                    thisGrp.addPermission((String) thisGroupNode.get("permissions"));
                } else {
                    throw new IllegalArgumentException("Unknown type of permissions node(Should be String or List<String>) for group:  " + thisGrp.getName());
                }

                //INFO NODE
                if (thisGroupNode.get("info") instanceof Map) {
	                Map<String, Object> infoNode = (Map<String, Object>) thisGroupNode.get("info");
	                if (infoNode != null) {
	                    thisGrp.setVariables(infoNode);
	                }
                } else
                	throw new IllegalArgumentException("Unknown entry found in Info section for group: " + thisGrp.getName());
                	

                //END INFO NODE

                if (thisGroupNode.get("inheritance") == null || thisGroupNode.get("inheritance") instanceof List) {
	                Object inheritNode = thisGroupNode.get("inheritance");
	                if (inheritNode == null) {
	                    thisGroupNode.put("inheritance", new ArrayList<String>());
	                } else if (inheritNode instanceof List) {
	                    List<String> groupsInh = (List<String>) inheritNode;
	                    for (String grp : groupsInh) {
	                        if (inheritance.get(groupKey) == null) {
	                            List<String> thisInherits = new ArrayList<String>();
	                            inheritance.put(groupKey, thisInherits);
	                        }
	                        inheritance.get(groupKey).add(grp);
	
	                    }
	                }
                }else
                	throw new IllegalArgumentException("Unknown entry found in inheritance section for group: " + thisGrp.getName());
            }
        //} catch (Exception ex) {
        //    ex.printStackTrace();
        //    throw new IllegalArgumentException("Your Permissions config file is invalid. See console for details.");
        //}
        if (ph.defaultGroup == null) {
            throw new IllegalArgumentException("There was no Default Group declared.");
        }
        for (String groupKey : inheritance.keySet()) {
            List<String> inheritedList = inheritance.get(groupKey);
            Group thisGroup = ph.getGroup(groupKey);
            for (String inheritedKey : inheritedList) {
                Group inheritedGroup = ph.getGroup(inheritedKey);
                if (thisGroup != null && inheritedGroup != null) {
                    thisGroup.addInherits(inheritedGroup);
                }
            }
        }
        
        ph.removeGroupsChangedFlag();
        // Update the LastModified time.
        ph.groupsFile = groupsFile;
        ph.setTimeStampGroups(groupsFile.lastModified());

        //return ph;
    }
    
    /**
     * Updates the WorldDataHolder from the Users file
     * 
     * @param ph
     * @param usersFile
     * 
     * @throws FileNotFoundException
     * @throws IOException
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    protected static void loadUsers(WorldDataHolder ph, File usersFile) throws FileNotFoundException, IOException {
    	
        //READ USERS FILE
        Yaml yamlUsers = new Yaml(new SafeConstructor());
        Map<String, Object> usersRootDataNode;
        if (!usersFile.exists()) {
            throw new IllegalArgumentException("The file which should contain users does not exist!\n" + usersFile.getPath());
        }
        FileInputStream usersInputStream = new FileInputStream(usersFile);
        try {
            usersRootDataNode = (Map<String, Object>) yamlUsers.load(new UnicodeReader(usersInputStream));
            if (usersRootDataNode == null) {
                throw new NullPointerException();
            }
        } catch (Exception ex) {
            throw new IllegalArgumentException("The following file couldn't pass on Parser.\n" + usersFile.getPath(), ex);
        } finally {
            usersInputStream.close();
        }

        // PROCESS USERS FILE
        Map<String, Object> allUsersNode = (Map<String, Object>) usersRootDataNode.get("users");
        
        // Stop loading if the file is empty
        if (allUsersNode == null)
        	return ;

        for (String usersKey : allUsersNode.keySet()) {
            Map<String, Object> thisUserNode = (Map<String, Object>) allUsersNode.get(usersKey);
            User thisUser = ph.createUser(usersKey);
            if (thisUser == null) {
                throw new IllegalArgumentException("I think this user was declared more than once: " + usersKey);
            }
            if (thisUserNode.get("permissions") == null) {
                thisUserNode.put("permissions", new ArrayList<String>());
            }
            if (thisUserNode.get("permissions") instanceof List) {
                for (Object o : ((List) thisUserNode.get("permissions"))) {
                    thisUser.addPermission(o.toString());
                }
            } else if (thisUserNode.get("permissions") instanceof String) {
                thisUser.addPermission(thisUserNode.get("permissions").toString());
            }

            //SUBGROUPS LOADING
            if (thisUserNode.get("subgroups") == null) {
                thisUserNode.put("subgroups", new ArrayList<String>());
            }
            if (thisUserNode.get("subgroups") instanceof List) {
                for (Object o : ((List) thisUserNode.get("subgroups"))) {
                    Group subGrp = ph.getGroup(o.toString());
                    if (subGrp != null) {
                        thisUser.addSubGroup(subGrp);
                    } else {
                        GroupManager.logger.warning("Subgroup " + o.toString() + " not found for user " + thisUser.getName() + ". Ignoring entry.");
                    }
                }
            } else if (thisUserNode.get("subgroups") instanceof String) {
                Group subGrp = ph.getGroup(thisUserNode.get("subgroups").toString());
                if (subGrp != null) {
                    thisUser.addSubGroup(subGrp);
                } else {
                    GroupManager.logger.warning("Subgroup " + thisUserNode.get("subgroups").toString() + " not found for user " + thisUser.getName() + ". Ignoring entry.");
                }
            }


            //USER INFO NODE - BETA

            //INFO NODE
            Map<String, Object> infoNode = (Map<String, Object>) thisUserNode.get("info");
            if (infoNode != null) {
                thisUser.setVariables(infoNode);
            }
            //END INFO NODE - BETA

            if (thisUserNode.get("group") != null) {
                Group hisGroup = ph.getGroup(thisUserNode.get("group").toString());
                if (hisGroup == null) {
                	GroupManager.logger.warning("There is no group " + thisUserNode.get("group").toString() + ", as stated for player " + thisUser.getName() + ": Set to '" + ph.getDefaultGroup().getName() + "'.");
                	hisGroup = ph.defaultGroup;
                    //throw new IllegalArgumentException("There is no group " + thisUserNode.get("group").toString() + ", as stated for player " + thisUser.getName());
                }
                thisUser.setGroup(hisGroup);
            } else {
                thisUser.setGroup(ph.defaultGroup);
            }
        }
        
        ph.removeUsersChangedFlag();
        // Update the LastModified time.
        ph.usersFile = usersFile;
        ph.setTimeStampUsers(usersFile.lastModified());
        
        //return ph;
    }

    /**
     * Write a dataHolder in a specified file
     * @param ph
     * @param file
     * @deprecated
     */
    @Deprecated
    public static void write(WorldDataHolder ph, File file) {
        Map<String, Object> root = new HashMap<String, Object>();

        Map<String, Object> pluginMap = new HashMap<String, Object>();
        root.put("plugin", pluginMap);

        Map<String, Object> permissionsMap = new HashMap<String, Object>();
        pluginMap.put("permissions", permissionsMap);

        permissionsMap.put("system", "default");

        Map<String, Object> groupsMap = new HashMap<String, Object>();
        root.put("groups", groupsMap);
        for (String groupKey : ph.groups.keySet()) {
            Group group = ph.groups.get(groupKey);

            Map<String, Object> aGroupMap = new HashMap<String, Object>();
            groupsMap.put(group.getName(), aGroupMap);

            aGroupMap.put("default", group.equals(ph.defaultGroup));

            Map<String, Object> infoMap = new HashMap<String, Object>();
            aGroupMap.put("info", infoMap);

            for (String infoKey : group.getVariables().getVarKeyList()) {
                infoMap.put(infoKey, group.getVariables().getVarObject(infoKey));
            }

            aGroupMap.put("inheritance", group.getInherits());

            aGroupMap.put("permissions", group.getPermissionList());
        }

        Map<String, Object> usersMap = new HashMap<String, Object>();
        root.put("users", usersMap);
        for (String userKey : ph.users.keySet()) {
            User user = ph.users.get(userKey);
            if ((user.getGroup() == null || user.getGroup().equals(ph.defaultGroup)) && user.getPermissionList().isEmpty()) {
                continue;
            }

            Map<String, Object> aUserMap = new HashMap<String, Object>();
            usersMap.put(user.getName(), aUserMap);

            if (user.getGroup() == null) {
                aUserMap.put("group", ph.defaultGroup.getName());
            } else {
                aUserMap.put("group", user.getGroup().getName());
            }
            //USER INFO NODE - BETA
            if (user.getVariables().getSize() > 0) {
                Map<String, Object> infoMap = new HashMap<String, Object>();
                aUserMap.put("info", infoMap);

                for (String infoKey : user.getVariables().getVarKeyList()) {
                    infoMap.put(infoKey, user.getVariables().getVarObject(infoKey));
                }
            }
            //END USER INFO NODE - BETA

            aUserMap.put("permissions", user.getPermissionList());
        }
        DumperOptions opt = new DumperOptions();
        opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
        final Yaml yaml = new Yaml(opt);

        FileWriter tx = null;
        try {
            tx = new FileWriter(file, false);
            tx.write(yaml.dump(root));
            tx.flush();
        } catch (Exception e) {
        } finally {
            try {
                tx.close();
            } catch (IOException ex) {
            }
        }
    }

    /**
     * Write a dataHolder in a specified file
     * @param ph
     * @param groupsFile
     */
    public static void writeGroups(WorldDataHolder ph, File groupsFile) {
        Map<String, Object> root = new HashMap<String, Object>();

        Map<String, Object> groupsMap = new HashMap<String, Object>();

        root.put("groups", groupsMap);
        for (String groupKey : ph.groups.keySet()) {
            Group group = ph.groups.get(groupKey);

            Map<String, Object> aGroupMap = new HashMap<String, Object>();
            groupsMap.put(group.getName(), aGroupMap);

            if (ph.defaultGroup == null) {
                GroupManager.logger.severe("There is no default group for world: " + ph.getName());
            }
            aGroupMap.put("default", group.equals(ph.defaultGroup));

            Map<String, Object> infoMap = new HashMap<String, Object>();
            aGroupMap.put("info", infoMap);

            for (String infoKey : group.getVariables().getVarKeyList()) {
                infoMap.put(infoKey, group.getVariables().getVarObject(infoKey));
            }

            aGroupMap.put("inheritance", group.getInherits());

            aGroupMap.put("permissions", group.getPermissionList());
        }

        if (!root.isEmpty()) {
	        DumperOptions opt = new DumperOptions();
	        opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
	        final Yaml yaml = new Yaml(opt);
	        try {
	        	OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(groupsFile), "UTF-8");
	        	
	        	String newLine = System.getProperty("line.separator");
	        	
	        	out.write("# Group inheritance" + newLine);
	        	out.write("# any inherited groups prefixed with a g: are global groups" + newLine);
	        	out.write("# These groups are defined in the globalgroups.yml" + newLine);
	        	out.write("# and can be inherited in any worlds groups/users.yml." + newLine);
	        	out.write("#" + newLine);
	        	out.write("# Groups without the g: prefix are groups local to this world" + newLine);
	        	out.write("# and defined in the this groups.yml file." + newLine);
	        	out.write(newLine);
	        	
	            yaml.dump(root, out);
	            out.close();
	        } catch (UnsupportedEncodingException ex) {
	        } catch (FileNotFoundException ex) {
	        } catch (IOException e) {
			}
        }
        
        // Update the LastModified time.
        ph.groupsFile = groupsFile;
        ph.setTimeStampGroups(groupsFile.lastModified());
        ph.removeGroupsChangedFlag();

        /*FileWriter tx = null;
        try {
        tx = new FileWriter(groupsFile, false);
        tx.write(yaml.dump(root));
        tx.flush();
        } catch (Exception e) {
        } finally {
        try {
        tx.close();
        } catch (IOException ex) {
        }
        }*/
    }

    /**
     * Write a dataHolder in a specified file
     * @param ph
     * @param usersFile
     */
    public static void writeUsers(WorldDataHolder ph, File usersFile) {
        Map<String, Object> root = new HashMap<String, Object>();

        Map<String, Object> usersMap = new HashMap<String, Object>();
        root.put("users", usersMap);
        for (String userKey : ph.users.keySet()) {
            User user = ph.users.get(userKey);
            if ((user.getGroup() == null || user.getGroup().equals(ph.defaultGroup)) && user.getPermissionList().isEmpty() && user.getVariables().isEmpty() && user.isSubGroupsEmpty()) {
                continue;
            }

            Map<String, Object> aUserMap = new HashMap<String, Object>();
            usersMap.put(user.getName(), aUserMap);

            if (user.getGroup() == null) {
                aUserMap.put("group", ph.defaultGroup.getName());
            } else {
                aUserMap.put("group", user.getGroup().getName());
            }
            //USER INFO NODE - BETA
            if (user.getVariables().getSize() > 0) {
                Map<String, Object> infoMap = new HashMap<String, Object>();
                aUserMap.put("info", infoMap);
                for (String infoKey : user.getVariables().getVarKeyList()) {
                    infoMap.put(infoKey, user.getVariables().getVarObject(infoKey));
                }
            }
            //END USER INFO NODE - BETA
            aUserMap.put("permissions", user.getPermissionList());

            //SUBGROUPS NODE - BETA
            aUserMap.put("subgroups", user.subGroupListStringCopy());
            //END SUBGROUPS NODE - BETA
        }
        
        if (!root.isEmpty()) {
	        DumperOptions opt = new DumperOptions();
	        opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
	        final Yaml yaml = new Yaml(opt);
	        try {
	        	OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(usersFile), "UTF-8");
	            yaml.dump(root, out);
	            out.close();
	        } catch (UnsupportedEncodingException ex) {
	        } catch (FileNotFoundException ex) {
	        } catch (IOException e) {
			}
        }
        
        // Update the LastModified time.
        ph.usersFile = usersFile;
        ph.setTimeStampUsers(usersFile.lastModified());
        ph.removeUsersChangedFlag();
        
        /*FileWriter tx = null;
        try {
        tx = new FileWriter(usersFile, false);
        tx.write(yaml.dump(root));
        tx.flush();
        } catch (Exception e) {
        } finally {
        try {
        tx.close();
        } catch (IOException ex) {
        }
        }*/
    }

    /**
     * Don't use this. Unless you want to make this plugin to interact with original Nijikokun Permissions
     * This method is supposed to make the original one reload the file, and propagate the changes made here.
     *
     * Prefer to use the AnjoCaido's fake version of Nijikokun's Permission plugin.
     * The AnjoCaido's Permission can propagate the changes made on this plugin instantly,
     * without need to save the file.
     *
     * @param server the server that holds the plugin
     * @deprecated it is not used anymore... unless if you use original Permissions
     */
    @Deprecated
    public static void reloadOldPlugins(Server server) {
        // Only reload permissions
        PluginManager pm = server.getPluginManager();
        Plugin[] plugins = pm.getPlugins();
        for (int i = 0; i < plugins.length; i++) {
            plugins[i].getConfiguration().load();
            try {
                plugins[i].getClass().getMethod("setupPermissions").invoke(plugins[i]);
            } catch (Exception ex) {
                continue;
            }
        }
    }

    /**
     * @return the permissionsHandler
     */
    public AnjoPermissionsHandler getPermissionsHandler() {
        if (permissionsHandler == null) {
            permissionsHandler = new AnjoPermissionsHandler(this);
        }
        return permissionsHandler;
    }

    /**
     *
     * @return true if any user data has changed
     */
    public boolean haveUsersChanged() {
        if (haveUsersChanged) {
            return true;
        }
        for (User u : users.values()) {
            if (u.isChanged()) {
                return true;
            }
        }
        return false;
    }

    /**
     *
     * @return true if any group data has changed.
     */
    public boolean haveGroupsChanged() {
        if (haveGroupsChanged) {
            return true;
        }
        for (Group g : groups.values()) {
            if (g.isChanged()) {
                return true;
            }
        }
        return false;
    }

    /**
     *
     */
    public void removeUsersChangedFlag() {
        haveUsersChanged = false;
        for (User u : users.values()) {
            u.flagAsSaved();
        }
    }

    /**
     *
     */
    public void removeGroupsChangedFlag() {
        haveGroupsChanged = false;
        for (Group g : groups.values()) {
            g.flagAsSaved();
        }
    }

    /**
     * @return the usersFile
     */
    public File getUsersFile() {
        return usersFile;
    }

    /**
     * @return the groupsFile
     */
    public File getGroupsFile() {
        return groupsFile;
    }

    /**
     * @return the name
     */
    public String getName() {
        return name;
    }
    
    /**
	 * Resets Groups.
	 */
	public void resetGroups() {
		this.defaultGroup = null;
		this.groups = new HashMap<String, Group>();
	}
    /**
	 * Resets Users
	 */
	public void resetUsers() {
		this.users = new HashMap<String, User>();
	}
    
    /**
	 * @return the groups
	 */
	public Map<String, Group> getGroups() {
		return groups;
	}
    /**
	 * @return the users
	 */
	public Map<String, User> getUsers() {
		return users;
	}
    
    /**
	 * @return the timeStampGroups
	 */
	public long getTimeStampGroups() {
		return timeStampGroups;
	}
    /**
	 * @return the timeStampUsers
	 */
	public long getTimeStampUsers() {
		return timeStampUsers;
	}

	/**
	 * @param timeStampGroups the timeStampGroups to set
	 */
	protected void setTimeStampGroups(long timeStampGroups) {
		this.timeStampGroups = timeStampGroups;
	}
    /**
	 * @param timeStampUsers the timeStampUsers to set
	 */
	protected void setTimeStampUsers(long timeStampUsers) {
		this.timeStampUsers = timeStampUsers;
	}
	
	public void setTimeStamps() {
		if (groupsFile != null)
			setTimeStampGroups(groupsFile.lastModified());
		if (usersFile != null)
			setTimeStampUsers(usersFile.lastModified());
	}
}