1 | package net.sabi.pester;
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2 |
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3 | import danger.app.Application;
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4 | import danger.text.Collator;
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5 | import danger.text.DangerCollator;
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6 | import danger.ui.ListSelectMenu;
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7 | import danger.ui.MenuItem;
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8 | import danger.util.DEBUG;
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9 | import danger.util.TextFinder;
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10 | import java.io.ByteArrayInputStream;
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11 | import java.io.ByteArrayOutputStream;
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12 | import java.io.DataInputStream;
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13 | import java.io.DataOutputStream;
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14 | import java.util.Arrays;
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15 | import java.util.Collections;
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16 | import java.util.LinkedList;
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17 | import java.util.ListIterator;
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18 | import java.util.Vector;
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19 |
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20 | class MessageFinder implements TextFinder, Resources {
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21 | private static final int VERSION_1 = 1;
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22 | private static final int MAX_MESSAGE_COUNT = 50;
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23 | private static LinkedList sMessageList = new LinkedList();
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24 | private Vector mItems;
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25 |
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26 | public static void setDefaultMessageList() {
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27 | String messages[] =
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28 | Application.getCurrentApp().getStringArray(ID_ALARM_MESSAGES);
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29 | sMessageList = new LinkedList(Arrays.asList(messages));
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30 | }
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31 |
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32 | public static byte[] messageListAsByteArray() {
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33 | try {
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34 | ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
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35 | DataOutputStream dataStream = new DataOutputStream(byteStream);
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36 |
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37 | dataStream.writeByte(VERSION_1);
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38 | dataStream.writeInt(sMessageList.size());
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39 | ListIterator i = sMessageList.listIterator(0);
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40 | while (i.hasNext())
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41 | dataStream.writeUTF((String)i.next());
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42 | dataStream.flush();
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43 | return byteStream.toByteArray();
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44 | } catch (Exception e) {
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45 | DEBUG.p("Pester: couldn't serialize message list: " + e);
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46 | }
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47 | return null;
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48 | }
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49 |
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50 | public static void setMessageListFromByteArray(byte[] data) {
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51 | try {
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52 | ByteArrayInputStream byteStream = new ByteArrayInputStream(data);
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53 | DataInputStream dataStream = new DataInputStream(byteStream);
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54 |
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55 | byte version = dataStream.readByte();
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56 | if (version != VERSION_1)
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57 | throw new Exception();
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58 |
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59 | int count = dataStream.readInt();
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60 | for (int i = 0 ; i < count ; i++)
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61 | addMessage(dataStream.readUTF());
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62 | } catch (Exception e) {
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63 | setDefaultMessageList();
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64 | DEBUG.p("Pester: setting default message list: " + e);
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65 | }
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66 | }
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67 |
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68 | private static boolean addMessage(String message) {
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69 | int i = sMessageList.indexOf(message);
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70 | if (i == 0)
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71 | return false;
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72 | if (i != -1)
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73 | sMessageList.remove(i);
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74 | sMessageList.addFirst(message);
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75 | if (sMessageList.size() > MAX_MESSAGE_COUNT)
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76 | sMessageList.removeLast();
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77 | return true;
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78 | }
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79 |
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80 | public static void usedMessage(String message) {
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81 | if (!addMessage(message))
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82 | return;
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83 | Alarms.recentMessagesChanged();
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84 | }
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85 |
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86 | public MessageFinder() {
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87 | mItems = new Vector(sMessageList.size() / 2);
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88 | }
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89 |
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90 | public void search(ListSelectMenu menu, String key) {
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91 | DangerCollator collator = (DangerCollator)DangerCollator.getInstance();
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92 | mItems.removeAllElements();
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93 | ListIterator i = sMessageList.listIterator(0);
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94 | while (i.hasNext()) {
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95 | String message = (String)i.next();
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96 | if (collator.startsWith(message, key, Collator.PRIMARY)) {
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97 | mItems.addElement(new MenuItem(message));
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98 | }
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99 | }
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100 | Collections.sort(mItems);
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101 | menu.makeResultInclusive(true);
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102 | menu.updateMenuContents(mItems);
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103 | }
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104 | }
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