[77] | 1 | package com.framsticks.dumping; |
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| 2 | |
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| 3 | import com.framsticks.communication.File; |
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| 4 | import com.framsticks.core.Path; |
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| 5 | import com.framsticks.params.ListSource; |
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| 6 | import com.framsticks.core.Instance; |
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| 7 | import com.framsticks.util.*; |
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| 8 | import org.apache.log4j.Logger; |
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| 9 | |
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| 10 | import java.io.BufferedReader; |
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| 11 | import java.io.IOException; |
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| 12 | import java.util.LinkedList; |
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| 13 | import java.util.List; |
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| 14 | |
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| 15 | /** |
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| 16 | * @author Piotr Sniegowski |
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| 17 | */ |
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| 18 | public class LoadStream { |
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| 19 | |
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| 20 | private final static Logger LOGGER = Logger.getLogger(LoadStream.class.getName()); |
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| 21 | |
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| 22 | protected final Instance instance; |
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| 23 | protected final Path mountPath; |
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| 24 | protected final BufferedReader stream; |
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| 25 | protected final Future<Path> future; |
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| 26 | protected final Stopwatch stopwatch = new Stopwatch(); |
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| 27 | |
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| 28 | |
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| 29 | public LoadStream(Path mountPath, BufferedReader stream, Instance instance, Future<Path> future) { |
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| 30 | this.instance = instance; |
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| 31 | this.mountPath = mountPath; |
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| 32 | this.stream = stream; |
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| 33 | this.future = future; |
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| 34 | } |
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| 35 | |
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| 36 | public void load() { |
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| 37 | try { |
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| 38 | String line; |
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| 39 | Pair<String, String> query = null; |
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| 40 | List<File> files = null; |
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| 41 | List<String> content = null; |
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| 42 | //File file; |
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| 43 | while ((line = stream.readLine()) != null) { |
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| 44 | if (query == null) { |
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| 45 | query = Strings.splitIntoPair(line, ' ', "\n"); |
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| 46 | files = new LinkedList<File>(); |
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| 47 | LOGGER.trace("loading " + line); |
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| 48 | continue; |
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| 49 | } |
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| 50 | if (content == null) { |
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| 51 | if (line.equals("file")) { |
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| 52 | content = new LinkedList<String>(); |
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| 53 | continue; |
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| 54 | } |
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| 55 | if (line.equals("ok")) { |
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| 56 | if (query.first.equals("get")) { |
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| 57 | Path path = instance.createIfNeeded(query.second); |
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| 58 | instance.processFetchedValues(path, files); |
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| 59 | } else if (query.first.equals("info")) { |
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| 60 | assert files.size() == 1; |
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| 61 | instance.processFetchedInfo(files.get(0)); |
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| 62 | } else { |
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| 63 | assert false; |
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| 64 | } |
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| 65 | query = null; |
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| 66 | files = null; |
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| 67 | continue; |
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| 68 | } |
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| 69 | assert false; |
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| 70 | continue; |
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| 71 | } |
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| 72 | if (line.equals("eof")) { |
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| 73 | files.add(new File(query.second, new ListSource(content))); |
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| 74 | content = null; |
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| 75 | continue; |
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| 76 | } |
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| 77 | content.add(line); |
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| 78 | } |
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| 79 | } catch (IOException e) { |
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| 80 | LOGGER.error("failed to load: " + e); |
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| 81 | future.result(null, e); |
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| 82 | return; |
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| 83 | } |
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| 84 | LOGGER.info("loaded in: " + stopwatch); |
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| 85 | future.result(new Path(instance, mountPath.getTextual()), null); |
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| 86 | } |
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| 87 | |
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| 88 | |
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| 89 | } |
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