1 | package org.apollo.util;
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2 |
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3 | import java.io.File;
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4 | import java.io.IOException;
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5 | import java.util.HashSet;
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6 | import java.util.List;
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7 | import java.util.Set;
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8 |
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9 | import org.apollo.agents.MelodySearch;
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10 | import org.apollo.io.AudioPathManager;
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11 | import org.apollo.widgets.SampledTrack;
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12 | import org.expeditee.settings.UserSettings;
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13 | import org.expeditee.settings.folders.FolderSettings;
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14 | import org.expeditee.items.ItemUtils;
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15 |
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16 | /**
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17 | * Purges a
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18 | * @author Brook Novak
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19 | *
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20 | */
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21 | public final class AudioPurger {
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22 |
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23 | private AudioPurger() {
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24 |
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25 | }
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26 |
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27 | public static void purgeLocalAudio() {
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28 |
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29 | String[] audioFiles = AudioPathManager.getAudioFileNames();
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30 | if (audioFiles == null || audioFiles.length == 0) return;
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31 |
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32 |
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33 | // Search every profile and frameset
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34 | Set<String> referencedAudio = new HashSet<String>();
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35 |
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36 | for (String path : FolderSettings.FrameDirs.get()) {
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37 |
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38 | File frameDir = new File(path);
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39 |
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40 | if (frameDir.exists() && frameDir.isDirectory()) {
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41 |
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42 | try {
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43 | getReferenceAudioFiles(frameDir, referencedAudio);
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44 | } catch (IOException e) {
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45 | e.printStackTrace();
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46 | }
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47 | }
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48 | }
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49 |
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50 | // Delelete all unferenced audio thats using up precious disk space
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51 | for (String audioFile : audioFiles) {
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52 | if (!referencedAudio.contains(audioFile)) {
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53 |
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54 | File unreferencedFile = new File(AudioPathManager.AUDIO_HOME_DIRECTORY + audioFile);
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55 | ApolloSystemLog.println("Deleting unreference audio file \"" + audioFile + "\"");
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56 | unreferencedFile.delete();
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57 |
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58 | // Also delete any melody meta
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59 | File melodyMetaFile = new File(
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60 | AudioPathManager.AUDIO_HOME_DIRECTORY +
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61 | MelodySearch.MELODY_METAFILE_PREFIX +
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62 | audioFile +
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63 | MelodySearch.MELODY_METAFILE_SUFFIX);
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64 |
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65 | if (melodyMetaFile.exists()) melodyMetaFile.delete();
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66 |
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67 | }
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68 | }
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69 |
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70 | }
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71 |
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72 | private static void getReferenceAudioFiles(File dir, Set<String> refedAudio) throws IOException {
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73 |
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74 | String[] filenames = dir.list();
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75 | if (filenames == null) throw new IOException();
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76 |
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77 | String trackPrefix = ItemUtils.GetTag(ItemUtils.TAG_IWIDGET)
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78 | + ": " + SampledTrack.class.getName();
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79 |
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80 | int filenameMetaLength = SampledTrack.META_LOCALNAME_TAG.length();
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81 |
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82 | for (String frameFile : filenames) {
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83 |
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84 | File f = new File(dir.getPath() + File.separatorChar + frameFile);
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85 | if (!f.exists()) continue;
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86 |
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87 | // Recurse
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88 | if (f.isDirectory()) {
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89 | getReferenceAudioFiles(f, refedAudio);
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90 | continue;
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91 | }
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92 |
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93 | // Perform text search on sampled track widgets
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94 | List<TextItemSearchResult> results =
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95 | ExpediteeFileTextSearch.prefixSearch(f.getAbsolutePath(), new String[] {trackPrefix});
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96 |
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97 | // For each track widget
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98 | for (TextItemSearchResult result : results) {
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99 |
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100 | // For each peice of meta data
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101 | if (result.data != null) {
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102 | for (String meta : result.data) {
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103 |
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104 | // Find the local-filename meta
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105 | if (meta.length() > filenameMetaLength &&
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106 | meta.startsWith(SampledTrack.META_LOCALNAME_TAG)) {
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107 |
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108 | // Keep meta
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109 | refedAudio.add(meta.substring(filenameMetaLength));
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110 | break;
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111 | }
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112 | }
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113 | }
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114 | }
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115 |
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116 |
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117 |
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118 | }
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119 | }
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120 |
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121 | public static void main(String[] args) {
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122 | purgeLocalAudio();
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123 | }
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124 |
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125 | }
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