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1 package jungle.test.bbs;
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2
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3 import java.nio.ByteBuffer;
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4
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31
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5 import alice.jungle.core.NetworkDefaultJungle;
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20
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6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.DefaultJungle;
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.Jungle;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultTreeEditor;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.TreeOperationLog;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
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16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser.DefaultTraverser;
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17 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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18 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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19
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20 public class JungleManager {
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21 private static JungleManager jm = new JungleManager();
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22 private Jungle jungle;
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23
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24 private JungleManager() {
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25
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26 }
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27
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28 public static void setJungle(Jungle _j) {
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29 jm.jungle = _j;
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30 }
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31
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32 public static Jungle getJungle() {
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33 return jm.jungle;
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34 }
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35
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36 public static JungleTree createNewTree(String name) {
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37 return jm.jungle.createNewTree(name);
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38 }
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40
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41 public static Either<Error, JungleTreeEditor> edit(JungleTreeEditor _editor ,TreeOperationLog _log) {
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42 JungleTreeEditor editor = _editor;
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43 Either<Error, JungleTreeEditor> either = null;
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44 for (TreeOperation op : _log) {
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45 either = _edit(editor, op);
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46 if(either.isA()) {
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47 return either;
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48 }
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49 editor = either.b();
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50 }
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51 return either;
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52 }
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53
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54 private static Either<Error, JungleTreeEditor> _edit(JungleTreeEditor editor,
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55 TreeOperation op) {
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56 NodePath path = op.getNodePath();
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57 NodeOperation nodeOp = op.getNodeOperation();
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58 Command c = nodeOp.getCommand();
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59 String key = "";
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60 switch (c) {
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61 case PUT_ATTRIBUTE:
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62 key = nodeOp.getKey();
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63 ByteBuffer value = nodeOp.getValue();
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64 return editor.putAttribute(path, key, value);
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65 case DELETE_ATTRIBUTE:
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66 key = nodeOp.getKey();
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67 return editor.deleteAttribute(path, key);
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68 case APPEND_CHILD:
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69 return editor.addNewChildAt(path, 0);
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70 case DELETE_CHILD:
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71 return editor.deleteChildAt(path, 0);
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72 }
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73 return null;
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74 }
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15
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75 }
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