|
| 1 | +package pl.koder95.eme.au; |
| 2 | + |
| 3 | +import javafx.application.Platform; |
| 4 | +import pl.koder95.eme.git.RepositoryInfo; |
| 5 | + |
| 6 | +import java.io.IOException; |
| 7 | +import java.io.InputStream; |
| 8 | +import java.io.OutputStream; |
| 9 | +import java.net.URL; |
| 10 | +import java.nio.channels.Channels; |
| 11 | +import java.nio.channels.FileChannel; |
| 12 | +import java.nio.channels.ReadableByteChannel; |
| 13 | +import java.nio.file.Files; |
| 14 | +import java.nio.file.Path; |
| 15 | +import java.nio.file.StandardOpenOption; |
| 16 | +import java.text.NumberFormat; |
| 17 | +import java.util.*; |
| 18 | +import java.util.function.BiConsumer; |
| 19 | +import java.util.function.Consumer; |
| 20 | +import java.util.stream.Stream; |
| 21 | +import java.util.zip.ZipEntry; |
| 22 | +import java.util.zip.ZipFile; |
| 23 | + |
| 24 | +import static pl.koder95.eme.Files.*; |
| 25 | +import static pl.koder95.eme.Files.TEMP_DIR; |
| 26 | + |
| 27 | +public class SelfUpdate implements Runnable { |
| 28 | + |
| 29 | + private static final UpdateScriptGenerator US_GENERATOR = UpdateScriptGenerator.create(UPDATE_SCRIPT); |
| 30 | + |
| 31 | + private final BiConsumer<Number, Number> updateProgress; |
| 32 | + private final Consumer<String> updateMessage; |
| 33 | + private final Consumer<String> updateTitle; |
| 34 | + private final UpdateScriptGenerator updateScriptGenerator; |
| 35 | + |
| 36 | + SelfUpdate(BiConsumer<Number, Number> updateProgress, Consumer<String> updateMessage, |
| 37 | + Consumer<String> updateTitle, UpdateScriptGenerator updateScriptGenerator) { |
| 38 | + this.updateProgress = updateProgress; |
| 39 | + this.updateMessage = updateMessage; |
| 40 | + this.updateTitle = updateTitle; |
| 41 | + this.updateScriptGenerator = updateScriptGenerator; |
| 42 | + } |
| 43 | + |
| 44 | + SelfUpdate(BiConsumer<Number, Number> updateProgress, Consumer<String> updateMessage, |
| 45 | + Consumer<String> updateTitle) { |
| 46 | + this(updateProgress, updateMessage, updateTitle, US_GENERATOR); |
| 47 | + } |
| 48 | + |
| 49 | + public SelfUpdate() { |
| 50 | + this((workDone, max) -> { |
| 51 | + double percent = 100 * workDone.doubleValue()/max.doubleValue(); |
| 52 | + System.out.println("Processing... " + (int) percent); |
| 53 | + }, msg -> System.out.println("INFO: " + msg), title -> System.out.println('\n' + title + '\n')); |
| 54 | + } |
| 55 | + |
| 56 | + @Override |
| 57 | + public void run() { |
| 58 | + try { |
| 59 | + // usuwanie plików z katalogu tymczasowego: |
| 60 | + clear(); |
| 61 | + // pobieranie zip'a i rozpakowywanie do folderu tymczasowego: |
| 62 | + prepare(); |
| 63 | + } catch (IOException e) { |
| 64 | + throw new RuntimeException(e); |
| 65 | + } |
| 66 | + restart(); // restartowanie z wywołaniem skryptu |
| 67 | + } |
| 68 | + |
| 69 | + private void clear() throws IOException { |
| 70 | + List<Exception> exceptions = new LinkedList<>(); |
| 71 | + try (Stream<Path> paths = Files.walk(TEMP_DIR).sorted(Comparator.reverseOrder())) { |
| 72 | + paths.forEach(path -> { |
| 73 | + try { |
| 74 | + Files.deleteIfExists(path); |
| 75 | + } catch (IOException e) { |
| 76 | + exceptions.add(e); |
| 77 | + } |
| 78 | + }); |
| 79 | + } |
| 80 | + if (!exceptions.isEmpty()) { |
| 81 | + IOException ex = new IOException(); |
| 82 | + exceptions.forEach(ex::addSuppressed); |
| 83 | + exceptions.clear(); |
| 84 | + throw ex; |
| 85 | + } |
| 86 | + } |
| 87 | + |
| 88 | + private void restart() { |
| 89 | + Platform.exit(); |
| 90 | + try { |
| 91 | + new ProcessBuilder(updateScriptGenerator.getPath().toString()).start(); |
| 92 | + } catch (IOException e) { |
| 93 | + throw new RuntimeException(e); |
| 94 | + } |
| 95 | + System.exit(0); |
| 96 | + } |
| 97 | + |
| 98 | + private void prepare() throws IOException { |
| 99 | + if (extractZip(downloadZip())) { |
| 100 | + Map<Path, Path> updateMap = new HashMap<>(); |
| 101 | + try (Stream<Path> paths = Files.list(TEMP_DIR)) { |
| 102 | + paths.forEach(path -> updateMap.put(path, WORKDIR.resolve(path.getFileName().toString()))); |
| 103 | + } |
| 104 | + updateScriptGenerator.generateUpdateScript(updateMap); |
| 105 | + } |
| 106 | + } |
| 107 | + |
| 108 | + |
| 109 | + private Path downloadZip() throws IOException { |
| 110 | + updateTitle.accept("Pobieranie " + RepositoryInfo.get().getLatestReleaseName()); |
| 111 | + return tryTransfer(RepositoryInfo.get().getLatestReleaseBrowserURL()); |
| 112 | + } |
| 113 | + |
| 114 | + private Path tryTransfer(String urlSpec) throws IOException { |
| 115 | + Path forDownload = TEMP_DIR.resolve(RepositoryInfo.get().getLatestReleaseName()); |
| 116 | + Files.deleteIfExists(forDownload); |
| 117 | + Files.createDirectories(forDownload.getParent()); |
| 118 | + Files.createFile(forDownload); |
| 119 | + URL url = new URL(urlSpec); |
| 120 | + System.out.println("Downloading: " + forDownload); |
| 121 | + updateProgress.accept(0, 1L); |
| 122 | + try (ReadableByteChannel rbc = Channels.newChannel(url.openStream()); |
| 123 | + FileChannel channel = FileChannel.open(forDownload, StandardOpenOption.WRITE)) { |
| 124 | + transfer(rbc, channel); |
| 125 | + } |
| 126 | + if (Files.isRegularFile(forDownload)) return forDownload; |
| 127 | + Files.deleteIfExists(forDownload); |
| 128 | + return null; |
| 129 | + } |
| 130 | + |
| 131 | + private void transfer(ReadableByteChannel rbc, FileChannel channel) throws IOException { |
| 132 | + System.out.println("TRANSFERRING TO: " + channel); |
| 133 | + long size = RepositoryInfo.get().getLatestReleaseSize(); |
| 134 | + channel.truncate(size); |
| 135 | + long count = size > 100? size / 100: 1; |
| 136 | + long workDone = 0; |
| 137 | + updateProgress.accept(workDone, size); |
| 138 | + while (workDone < size) { |
| 139 | + long transferred = channel.transferFrom(rbc, workDone, count); |
| 140 | + workDone += transferred; |
| 141 | + updateMessage.accept(NumberFormat.getPercentInstance().format((double) workDone / size)); |
| 142 | + updateProgress.accept(workDone, size); |
| 143 | + } |
| 144 | + channel.force(true); |
| 145 | + } |
| 146 | + |
| 147 | + private boolean extractZip(Path forExtract) throws IOException { |
| 148 | + updateTitle.accept("Rozpakowywanie " + forExtract.getFileName()); |
| 149 | + updateProgress.accept(0, 1); |
| 150 | + updateMessage.accept(""); |
| 151 | + try (ZipFile zip = new ZipFile(forExtract.toFile())) { |
| 152 | + updateProgress.accept(0, Files.size(forExtract)); |
| 153 | + |
| 154 | + Enumeration<? extends ZipEntry> entries = zip.entries(); |
| 155 | + long total = getTotal(zip); |
| 156 | + long workDone = 0; |
| 157 | + while (entries.hasMoreElements()) { |
| 158 | + ZipEntry entry = entries.nextElement(); |
| 159 | + Path outFile = TEMP_DIR.resolve(entry.getName()); |
| 160 | + Files.deleteIfExists(outFile); |
| 161 | + |
| 162 | + if (!entry.isDirectory()) { |
| 163 | + Files.createFile(outFile); |
| 164 | + |
| 165 | + if (Files.isRegularFile(outFile)) { |
| 166 | + tryTransfer(zip, entry, outFile, workDone, total); |
| 167 | + } |
| 168 | + } else if (Files.notExists(outFile)) { |
| 169 | + Files.createDirectories(outFile); |
| 170 | + } |
| 171 | + } |
| 172 | + updateProgress.accept(1d, 1d); |
| 173 | + updateTitle.accept("Zakończono wypakowywanie archiwum"); |
| 174 | + } |
| 175 | + updateProgress.accept(Double.NaN, 0); |
| 176 | + return Files.deleteIfExists(forExtract); |
| 177 | + } |
| 178 | + |
| 179 | + private static long getTotal(ZipFile zip) throws IOException { |
| 180 | + long total = 0; |
| 181 | + Enumeration<? extends ZipEntry> entries = zip.entries(); |
| 182 | + while (entries.hasMoreElements()) { |
| 183 | + ZipEntry entry = entries.nextElement(); |
| 184 | + if (!entry.isDirectory()) { |
| 185 | + InputStream input = zip.getInputStream(entry); |
| 186 | + int available = input.available(); |
| 187 | + total += available; |
| 188 | + } |
| 189 | + } |
| 190 | + return total; |
| 191 | + } |
| 192 | + |
| 193 | + private void tryTransfer(ZipFile zip, ZipEntry entry, Path outFile, long workDone, long total) throws IOException { |
| 194 | + try (InputStream input = zip.getInputStream(entry); |
| 195 | + OutputStream output = Files.newOutputStream(outFile)) { |
| 196 | + transfer(input, output, workDone, total); |
| 197 | + } |
| 198 | + } |
| 199 | + |
| 200 | + private void transfer(InputStream input, OutputStream output, long workDone, long total) throws IOException { |
| 201 | + while (input.available() > 0) { |
| 202 | + int b = input.read(); |
| 203 | + output.write(b); |
| 204 | + output.flush(); |
| 205 | + updateProgress.accept(++workDone, total); |
| 206 | + updateMessage.accept(NumberFormat.getPercentInstance().format((double) workDone / total)); |
| 207 | + } |
| 208 | + } |
| 209 | +} |
0 commit comments