コード例 #1
0
 private static Set<ShardId> findAllShardsForIndex(Path indexPath) throws IOException {
   Set<ShardId> shardIds = new HashSet<>();
   if (Files.isDirectory(indexPath)) {
     try (DirectoryStream<Path> stream = Files.newDirectoryStream(indexPath)) {
       String currentIndex = indexPath.getFileName().toString();
       for (Path shardPath : stream) {
         if (Files.isDirectory(shardPath)) {
           Integer shardId = Ints.tryParse(shardPath.getFileName().toString());
           if (shardId != null) {
             ShardId id = new ShardId(currentIndex, shardId);
             shardIds.add(id);
           }
         }
       }
     }
   }
   return shardIds;
 }
コード例 #2
0
 public Set<String> findAllIndices() throws IOException {
   if (nodePaths == null || locks == null) {
     throw new IllegalStateException("node is not configured to store local location");
   }
   assert assertEnvIsLocked();
   Set<String> indices = Sets.newHashSet();
   for (NodePath nodePath : nodePaths) {
     Path indicesLocation = nodePath.indicesPath;
     if (Files.isDirectory(indicesLocation)) {
       try (DirectoryStream<Path> stream = Files.newDirectoryStream(indicesLocation)) {
         for (Path index : stream) {
           if (Files.isDirectory(index)) {
             indices.add(index.getFileName().toString());
           }
         }
       }
     }
   }
   return indices;
 }
コード例 #3
0
ファイル: PluginManager.java プロジェクト: vroyer/elassandra
 /**
  * we check whether we need to remove the top-level folder while extracting sometimes (e.g.
  * github) the downloaded archive contains a top-level folder which needs to be removed
  */
 private Path findPluginRoot(Path dir) throws IOException {
   if (Files.exists(dir.resolve(PluginInfo.ES_PLUGIN_PROPERTIES))) {
     return dir;
   } else {
     final Path[] topLevelFiles = FileSystemUtils.files(dir);
     if (topLevelFiles.length == 1 && Files.isDirectory(topLevelFiles[0])) {
       Path subdir = topLevelFiles[0];
       if (Files.exists(subdir.resolve(PluginInfo.ES_PLUGIN_PROPERTIES))) {
         return subdir;
       }
     }
   }
   throw new RuntimeException(
       "Could not find plugin descriptor '" + PluginInfo.ES_PLUGIN_PROPERTIES + "' in plugin zip");
 }
コード例 #4
0
ファイル: CopyWindow.java プロジェクト: schneehund/synchros
    private int getNumberOfItems(Path quellOrdner) {
      int retValue = 0;

      try {
        DirectoryStream<Path> qstream = Files.newDirectoryStream(quellOrdner);
        for (Path qfile : qstream) {
          if (Files.isDirectory(qfile)) {
            getNumberOfItems(Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()));
          }
          i++;
        }
        qstream.close();
      } catch (IOException e) {
        e.printStackTrace();
      }

      retValue = i;
      return retValue;
    }
コード例 #5
0
 /**
  * This method tries to write an empty file and moves it using an atomic move operation. This
  * method throws an {@link IllegalStateException} if this operation is not supported by the
  * filesystem. This test is executed on each of the data directories. This method cleans up all
  * files even in the case of an error.
  */
 public void ensureAtomicMoveSupported() throws IOException {
   final NodePath[] nodePaths = nodePaths();
   for (NodePath nodePath : nodePaths) {
     assert Files.isDirectory(nodePath.path) : nodePath.path + " is not a directory";
     final Path src = nodePath.path.resolve("__es__.tmp");
     Files.createFile(src);
     final Path target = nodePath.path.resolve("__es__.final");
     try {
       Files.move(src, target, StandardCopyOption.ATOMIC_MOVE);
     } catch (AtomicMoveNotSupportedException ex) {
       throw new IllegalStateException(
           "atomic_move is not supported by the filesystem on path ["
               + nodePath.path
               + "] atomic_move is required for elasticsearch to work correctly.",
           ex);
     } finally {
       Files.deleteIfExists(src);
       Files.deleteIfExists(target);
     }
   }
 }
コード例 #6
0
 /** Process all events for keys queued to the watcher */
 private static void forwardToItopic(WatchEvent.Kind<Path> kind, Path dir) {
   boolean isDir = Files.isDirectory(dir);
   if (kind == ENTRY_CREATE) {
     if (!isDir) {
       Action act = new Action("add_file", Folder.getInternalPath(dir));
       // Folder.getFileFromDiskToWinSafe(act.getPath());
       Folder.loadFileFromFSToInternal(dir);
       topic.publish(act);
     } else {
       if (Folder.isEmptyFSFolder(dir)) {
         Folder.createEmptyFolderInInternal(dir);
         topic.publish(new Action("create_empty_folder", Folder.getInternalPath(dir)));
       } else {
         Folder.loadFolderFromFSToInternal(dir);
         topic.publish(new Action("create_folder", Folder.getInternalPath(dir)));
       }
     }
   } else if (kind == ENTRY_DELETE) {
     // todo
     Folder.deleteFromInternal(dir);
     topic.publish(new Action("delete_entry", Folder.getInternalPath(dir)));
   } else if (kind == ENTRY_MODIFY) {
     // todo
     if (!isDir) {
       Folder.loadFileFromFSToInternal(dir);
       topic.publish(new Action("edit_file", Folder.getInternalPath(dir)));
     } else {
       if (Folder.isEmptyFSFolder(dir)) {
         Folder.createEmptyFolderInInternal(dir);
         topic.publish(new Action("create_empty_folder", Folder.getInternalPath(dir)));
       } else {
         Folder.loadFolderFromFSToInternal(dir);
         topic.publish(new Action("edit_folder", Folder.getInternalPath(dir)));
       }
     }
   } else {
     // TODO
     System.out.println("[forwardToItopic] Unexpected Event - kind=" + kind + "dir=" + dir);
   }
 }
コード例 #7
0
  @Override
  public void parse() throws IOException {
    if (conservedRegionPath == null
        || !Files.exists(conservedRegionPath)
        || !Files.isDirectory(conservedRegionPath)) {
      throw new IOException(
          "Conservation directory whether does not exist, is not a directory or cannot be read");
    }

    Map<String, Path> files = new HashMap<>();
    String chromosome;
    Set<String> chromosomes = new HashSet<>();

    // Reading all files in phastCons folder
    DirectoryStream<Path> directoryStream =
        Files.newDirectoryStream(conservedRegionPath.resolve("phastCons"));
    for (Path path : directoryStream) {
      chromosome = path.getFileName().toString().split("\\.")[0].replace("chr", "");
      chromosomes.add(chromosome);
      files.put(chromosome + "phastCons", path);
    }

    // Reading all files in phylop folder
    directoryStream = Files.newDirectoryStream(conservedRegionPath.resolve("phylop"));
    for (Path path : directoryStream) {
      chromosome = path.getFileName().toString().split("\\.")[0].replace("chr", "");
      chromosomes.add(chromosome);
      files.put(chromosome + "phylop", path);
    }

    /** Now we can iterate over all the chromosomes found and process the files */
    logger.debug("Chromosomes found {}", chromosomes.toString());
    for (String chr : chromosomes) {
      logger.debug("Processing chromosome {}, file {}", chr, files.get(chr + "phastCons"));
      processFile(files.get(chr + "phastCons"), "phastCons");

      logger.debug("Processing chromosome {}, file {}", chr, files.get(chr + "phylop"));
      processFile(files.get(chr + "phylop"), "phylop");
    }
  }
コード例 #8
0
 /**
  * Tries to find all allocated shards for the given index on the current node. NOTE: This methods
  * is prone to race-conditions on the filesystem layer since it might not see directories created
  * concurrently or while it's traversing.
  *
  * @param index the index to filter shards
  * @return a set of shard IDs
  * @throws IOException if an IOException occurs
  */
 public Set<ShardId> findAllShardIds(final Index index) throws IOException {
   assert index != null;
   if (nodePaths == null || locks == null) {
     throw new IllegalStateException("node is not configured to store local location");
   }
   assert assertEnvIsLocked();
   final Set<ShardId> shardIds = Sets.newHashSet();
   String indexName = index.name();
   for (final NodePath nodePath : nodePaths) {
     Path location = nodePath.indicesPath;
     if (Files.isDirectory(location)) {
       try (DirectoryStream<Path> indexStream = Files.newDirectoryStream(location)) {
         for (Path indexPath : indexStream) {
           if (indexName.equals(indexPath.getFileName().toString())) {
             shardIds.addAll(findAllShardsForIndex(indexPath));
           }
         }
       }
     }
   }
   return shardIds;
 }
コード例 #9
0
ファイル: DirWatcher2.java プロジェクト: sciserver/vosync
  @Override
  public void run() {
    logger.debug("Register root " + startDir.toString());

    try {
      registerAll(startDir);
    } catch (IOException ex) {
      logger.error(ex.getMessage());
      return;
    }

    if (isInterrupted()) return;

    VOSync.debug("Sync local db with drive");

    DbPool.goSql(
        "Synching the local db with drive",
        "select NAME from FILES",
        new SqlWorker<Boolean>() {
          @Override
          public Boolean go(Connection conn, PreparedStatement stmt) throws SQLException {
            ResultSet resSet = stmt.executeQuery();
            while (resSet.next()) {
              try {
                String fileName = resSet.getString(1);
                Path filePath =
                    FileSystems.getDefault().getPath(startDir.toString(), fileName.substring(1));
                if (!filePath.toFile().exists()) {
                  logger.debug(
                      "Deleting file " + fileName + " existing in DB and not present on disk");
                  api.delete(fileName);
                  MetaHandler.delete(fileName);
                }
              } catch (DropboxException ex) {
              }
            }
            resSet.close();
            return true;
          }
        });

    if (isInterrupted()) return;

    VOSync.debug("Sync storage");

    syncStorage();

    logger.debug("Start watching");

    while (!isInterrupted()) {
      WatchKey key;
      try {
        key = watcher.take();
      } catch (InterruptedException x) {
        return;
      }

      Path dir = keys.get(key);
      if (dir == null) {
        System.err.println("WatchKey " + key.toString() + " not recognized!");
        continue;
      }

      for (WatchEvent<?> event : key.pollEvents()) {
        Kind<?> kind = event.kind();

        // TBD - provide example of how OVERFLOW event is handled
        if (kind == OVERFLOW) {
          continue;
        }

        // Context for directory entry event is the file name of entry
        WatchEvent<Path> ev = cast(event);
        Path name = ev.context();
        Path child = dir.resolve(name);
        Path relativeDir = startDir.relativize(child);
        String fileRelPath = "/" + fixPath(relativeDir.toString());

        // print out event
        logger.debug(event.kind().name() + ":" + child + " " + name + " " + key);

        try {
          if (Files.exists(child, new LinkOption[] {}) && Files.isHidden(child)) {
            logger.error(
                "Skipping hidden file " + child.getFileName()); // skip OS generated catalog files
          } else {
            if (event.kind() == ENTRY_CREATE) {
              if (Files.isRegularFile(child, NOFOLLOW_LINKS)) { // file modified
                uploadFile(fileRelPath, child);
              } else if (Files.isDirectory(child, NOFOLLOW_LINKS)) { // directory contents changed
                registerAll(child);
              }
            } else if (event.kind() == ENTRY_DELETE) {
              logger.debug("Deleting " + fileRelPath);
              api.delete(fileRelPath);
              MetaHandler.delete(fileRelPath);
              logger.debug("Deleted!");
            } else if (event.kind() == ENTRY_MODIFY) {
              if (Files.isRegularFile(child, NOFOLLOW_LINKS)) { // file modified
                uploadFile(fileRelPath, child);
              } else if (Files.isDirectory(child, NOFOLLOW_LINKS)) { // directory contents changed
                // logger.debug("Renewing dir: "+relativeDir.toString());
                // TODO update folder date
                // MetaHandler.setFile(fileRelPath, child, rev);
              }
            }
          }
        } catch (IOException ex) {
          ex.printStackTrace();
          logger.error(ex.getMessage());
        } catch (DropboxException ex) {
          ex.printStackTrace();
          logger.error(ex.getMessage());
        }
      }

      boolean valid = key.reset();

      if (!valid) keys.remove(key);
    }
  }
コード例 #10
0
ファイル: PluginManager.java プロジェクト: vroyer/elassandra
  private void copyBinDirectory(
      Path sourcePluginBinDirectory,
      Path destPluginBinDirectory,
      String pluginName,
      Terminal terminal)
      throws IOException {
    boolean canCopyFromSource =
        Files.exists(sourcePluginBinDirectory)
            && Files.isReadable(sourcePluginBinDirectory)
            && Files.isDirectory(sourcePluginBinDirectory);
    if (canCopyFromSource) {
      terminal.println(VERBOSE, "Found bin, moving to %s", destPluginBinDirectory.toAbsolutePath());
      if (Files.exists(destPluginBinDirectory)) {
        IOUtils.rm(destPluginBinDirectory);
      }
      try {
        Files.createDirectories(destPluginBinDirectory.getParent());
        FileSystemUtils.move(sourcePluginBinDirectory, destPluginBinDirectory);
      } catch (IOException e) {
        throw new IOException(
            "Could not move [" + sourcePluginBinDirectory + "] to [" + destPluginBinDirectory + "]",
            e);
      }
      if (Environment.getFileStore(destPluginBinDirectory)
          .supportsFileAttributeView(PosixFileAttributeView.class)) {
        final PosixFileAttributes parentDirAttributes =
            Files.getFileAttributeView(
                    destPluginBinDirectory.getParent(), PosixFileAttributeView.class)
                .readAttributes();
        // copy permissions from parent bin directory
        final Set<PosixFilePermission> filePermissions = new HashSet<>();
        for (PosixFilePermission posixFilePermission : parentDirAttributes.permissions()) {
          switch (posixFilePermission) {
            case OWNER_EXECUTE:
            case GROUP_EXECUTE:
            case OTHERS_EXECUTE:
              break;
            default:
              filePermissions.add(posixFilePermission);
          }
        }
        // add file execute permissions to existing perms, so execution will work.
        filePermissions.add(PosixFilePermission.OWNER_EXECUTE);
        filePermissions.add(PosixFilePermission.GROUP_EXECUTE);
        filePermissions.add(PosixFilePermission.OTHERS_EXECUTE);
        Files.walkFileTree(
            destPluginBinDirectory,
            new SimpleFileVisitor<Path>() {
              @Override
              public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                  throws IOException {
                if (attrs.isRegularFile()) {
                  setPosixFileAttributes(
                      file,
                      parentDirAttributes.owner(),
                      parentDirAttributes.group(),
                      filePermissions);
                }
                return FileVisitResult.CONTINUE;
              }

              @Override
              public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                  throws IOException {
                setPosixFileAttributes(
                    dir,
                    parentDirAttributes.owner(),
                    parentDirAttributes.group(),
                    parentDirAttributes.permissions());
                return FileVisitResult.CONTINUE;
              }
            });
      } else {
        terminal.println(
            VERBOSE, "Skipping posix permissions - filestore doesn't support posix permission");
      }
      terminal.println(
          VERBOSE, "Installed %s into %s", pluginName, destPluginBinDirectory.toAbsolutePath());
    }
  }
コード例 #11
0
ファイル: PluginManager.java プロジェクト: vroyer/elassandra
  private void extract(PluginHandle pluginHandle, Terminal terminal, Path pluginFile)
      throws IOException {
    // unzip plugin to a staging temp dir, named for the plugin
    Path tmp = Files.createTempDirectory(environment.tmpFile(), null);
    Path root = tmp.resolve(pluginHandle.name);
    unzipPlugin(pluginFile, root);

    // find the actual root (in case its unzipped with extra directory wrapping)
    root = findPluginRoot(root);

    // read and validate the plugin descriptor
    PluginInfo info = PluginInfo.readFromProperties(root);
    terminal.println(VERBOSE, "%s", info);

    // update name in handle based on 'name' property found in descriptor file
    pluginHandle = new PluginHandle(info.getName(), pluginHandle.version, pluginHandle.user);
    final Path extractLocation = pluginHandle.extractedDir(environment);
    if (Files.exists(extractLocation)) {
      throw new IOException(
          "plugin directory "
              + extractLocation.toAbsolutePath()
              + " already exists. To update the plugin, uninstall it first using 'remove "
              + pluginHandle.name
              + "' command");
    }

    // check for jar hell before any copying
    if (info.isJvm()) {
      jarHellCheck(root, info.isIsolated());
    }

    // install plugin
    FileSystemUtils.copyDirectoryRecursively(root, extractLocation);
    terminal.println("Installed %s into %s", pluginHandle.name, extractLocation.toAbsolutePath());

    // cleanup
    tryToDeletePath(terminal, tmp, pluginFile);

    // take care of bin/ by moving and applying permissions if needed
    Path sourcePluginBinDirectory = extractLocation.resolve("bin");
    Path destPluginBinDirectory = pluginHandle.binDir(environment);
    boolean needToCopyBinDirectory = Files.exists(sourcePluginBinDirectory);
    if (needToCopyBinDirectory) {
      if (Files.exists(destPluginBinDirectory) && !Files.isDirectory(destPluginBinDirectory)) {
        tryToDeletePath(terminal, extractLocation);
        throw new IOException(
            "plugin bin directory " + destPluginBinDirectory + " is not a directory");
      }

      try {
        copyBinDirectory(
            sourcePluginBinDirectory, destPluginBinDirectory, pluginHandle.name, terminal);
      } catch (IOException e) {
        // rollback and remove potentially before installed leftovers
        terminal.printError(
            "Error copying bin directory [%s] to [%s], cleaning up, reason: %s",
            sourcePluginBinDirectory, destPluginBinDirectory, ExceptionsHelper.detailedMessage(e));
        tryToDeletePath(terminal, extractLocation, pluginHandle.binDir(environment));
        throw e;
      }
    }

    Path sourceConfigDirectory = extractLocation.resolve("config");
    Path destConfigDirectory = pluginHandle.configDir(environment);
    boolean needToCopyConfigDirectory = Files.exists(sourceConfigDirectory);
    if (needToCopyConfigDirectory) {
      if (Files.exists(destConfigDirectory) && !Files.isDirectory(destConfigDirectory)) {
        tryToDeletePath(terminal, extractLocation, destPluginBinDirectory);
        throw new IOException(
            "plugin config directory " + destConfigDirectory + " is not a directory");
      }

      try {
        terminal.println(
            VERBOSE, "Found config, moving to %s", destConfigDirectory.toAbsolutePath());
        moveFilesWithoutOverwriting(sourceConfigDirectory, destConfigDirectory, ".new");

        if (Environment.getFileStore(destConfigDirectory)
            .supportsFileAttributeView(PosixFileAttributeView.class)) {
          // We copy owner, group and permissions from the parent ES_CONFIG directory, assuming they
          // were properly set depending
          // on how es was installed in the first place: can be root:elasticsearch (750) if es was
          // installed from rpm/deb packages
          // or most likely elasticsearch:elasticsearch if installed from tar/zip. As for
          // permissions we don't rely on umask.
          final PosixFileAttributes parentDirAttributes =
              Files.getFileAttributeView(
                      destConfigDirectory.getParent(), PosixFileAttributeView.class)
                  .readAttributes();
          // for files though, we make sure not to copy execute permissions from the parent dir and
          // leave them untouched
          final Set<PosixFilePermission> baseFilePermissions = new HashSet<>();
          for (PosixFilePermission posixFilePermission : parentDirAttributes.permissions()) {
            switch (posixFilePermission) {
              case OWNER_EXECUTE:
              case GROUP_EXECUTE:
              case OTHERS_EXECUTE:
                break;
              default:
                baseFilePermissions.add(posixFilePermission);
            }
          }
          Files.walkFileTree(
              destConfigDirectory,
              new SimpleFileVisitor<Path>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                    throws IOException {
                  if (attrs.isRegularFile()) {
                    Set<PosixFilePermission> newFilePermissions =
                        new HashSet<>(baseFilePermissions);
                    Set<PosixFilePermission> currentFilePermissions =
                        Files.getPosixFilePermissions(file);
                    for (PosixFilePermission posixFilePermission : currentFilePermissions) {
                      switch (posixFilePermission) {
                        case OWNER_EXECUTE:
                        case GROUP_EXECUTE:
                        case OTHERS_EXECUTE:
                          newFilePermissions.add(posixFilePermission);
                      }
                    }
                    setPosixFileAttributes(
                        file,
                        parentDirAttributes.owner(),
                        parentDirAttributes.group(),
                        newFilePermissions);
                  }
                  return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                    throws IOException {
                  setPosixFileAttributes(
                      dir,
                      parentDirAttributes.owner(),
                      parentDirAttributes.group(),
                      parentDirAttributes.permissions());
                  return FileVisitResult.CONTINUE;
                }
              });
        } else {
          terminal.println(
              VERBOSE, "Skipping posix permissions - filestore doesn't support posix permission");
        }

        terminal.println(
            VERBOSE,
            "Installed %s into %s",
            pluginHandle.name,
            destConfigDirectory.toAbsolutePath());
      } catch (IOException e) {
        terminal.printError(
            "Error copying config directory [%s] to [%s], cleaning up, reason: %s",
            sourceConfigDirectory, destConfigDirectory, ExceptionsHelper.detailedMessage(e));
        tryToDeletePath(terminal, extractLocation, destPluginBinDirectory, destConfigDirectory);
        throw e;
      }
    }
  }
コード例 #12
0
  // void processEvents() {
  public void run() {
    System.out.println("WatchDir Thread INFO: priority=" + Thread.currentThread().getPriority());
    for (; ; ) {
      // wait for key to be signalled
      System.out.println("WatchDir INFO: restarting loop...acquiring new key");
      WatchKey key;
      try {
        key = watcher.take();
      } catch (InterruptedException x) {
        return;
      }

      Path dir = keys.get(key);
      if (dir == null) {
        System.err.println("WatchKey not recognized!!");
        continue;
      }

      for (WatchEvent<?> event : key.pollEvents()) {
        WatchEvent.Kind kind = event.kind();
        // TBD - provide example of how OVERFLOW event is handled
        if (kind == OVERFLOW) {
          System.out.println("Encountered OVERFLOW Event - " + event);
          continue;
        }

        // Context for directory entry event is the file name of entry
        WatchEvent<Path> ev = cast(event);
        Path name = ev.context();
        Path child = dir.resolve(name);

        // print out event
        System.out.format("[WatchDir] %s: %s\n", event.kind().name(), child);

        // if directory is created, and watching recursively, then
        // register it and its sub-directories
        if (recursive && (kind == ENTRY_CREATE)) {
          try {
            if (Files.isDirectory(child, NOFOLLOW_LINKS)) {
              registerAll(child);
            }
          } catch (IOException x) {
            // ignore to keep sample readbale
          }
        }

        long t = System.currentTimeMillis();
        if (!Folder.dontWatch.contains(Folder.getInternalPath(child))) {
          Thread.currentThread().setPriority(Thread.NORM_PRIORITY);
          System.out.println(
              "WatchDir#"
                  + key
                  + " INFO: path="
                  + child
                  + ", internal="
                  + Folder.getInternalPath(child)
                  + " is NOT in don't watch list. Forwarding it to other peers. @"
                  + Main.timeToString(t)); // DEBUG
          forwardToItopic(kind, child);
        } else {
          Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
          System.out.println(
              "WatchDir#"
                  + key
                  + " INFO: path="
                  + child
                  + ", internal="
                  + Folder.getInternalPath(child)
                  + " IS in the don't watch list. NOT forwarding. @"
                  + Main.timeToString(t)); // DEBUG
          // try{
          //     Thread.sleep(minDelayBtwnWatchEvents);
          // } catch(InterruptedException ex) {
          //     System.err.println("Exception:"+ex+" while trying to sleep WatchDir thread");
          //     ex.printStackTrace();
          // }
        }
      }

      // reset key and remove from set if directory no longer accessible
      boolean valid = key.reset();
      if (!valid) {
        keys.remove(key);

        // all directories are inaccessible
        if (keys.isEmpty()) {
          break;
        }
      }
    }
  }
コード例 #13
0
ファイル: WatchDir.java プロジェクト: raynmune/fmd
  /** Process all events for keys queued to the watcher */
  void processEvents() {
    for (; ; ) {

      // wait for key to be signalled
      WatchKey key;
      try {
        key = watcher.take();
      } catch (InterruptedException x) {
        return;
      }

      Path dir = keys.get(key);
      if (dir == null) {
        System.err.println("WatchKey not recognized!!");
        continue;
      }

      for (WatchEvent<?> event : key.pollEvents()) {
        WatchEvent.Kind kind = event.kind();

        // TBD - provide example of how OVERFLOW event is handled
        if (kind == OVERFLOW) {
          continue;
        }

        // Context for directory entry event is the file name of entry
        WatchEvent<Path> ev = cast(event);
        Path name = ev.context();
        Path child = dir.resolve(name);

        // print out event
        System.out.format("%s: %s\n", event.kind().name(), child);
        // Printing manager
        if (event.kind().name().equals("ENTRY_MODIFY")
            && (child.endsWith("baseFerremundoPointer.csv")
                || child.endsWith("baseFerremundoPointer2.csv"))) {
          File file = new File(child.toString());
          file.renameTo(new File("/home/dios/FERREMUNDO/BD/baseFerremundoPointer_.csv"));
          InvoicePrintingManager manager = new InvoicePrintingManager();
          manager.manage();
        }
        // if directory is created, and watching recursively, then
        // register it and its sub-directories
        if (recursive && (kind == ENTRY_CREATE)) {
          try {
            if (Files.isDirectory(child, NOFOLLOW_LINKS)) {
              registerAll(child);
            }
          } catch (IOException x) {
            // ignore to keep sample readbale
          }
        }
      }

      // reset key and remove from set if directory no longer accessible
      boolean valid = key.reset();
      if (!valid) {
        keys.remove(key);

        // all directories are inaccessible
        if (keys.isEmpty()) {
          break;
        }
      }
    }
  }
コード例 #14
0
ファイル: CopyWindow.java プロジェクト: schneehund/synchros
    public void cnpStart(Path quellOrdner, Path zielOrdner) {
      try {
        DirectoryStream<Path> qstream = Files.newDirectoryStream(quellOrdner);
        for (Path qfile : qstream) {
          Path target = Paths.get(zielOrdner.toString() + "/" + qfile.getFileName());
          if (abbruch) break;
          if (Files.isDirectory(qfile) && !Files.exists(target)) {
            Files.createDirectory(target);
            textArea.append("Verzeichnis: " + qfile + " wurde erstellt" + System.lineSeparator());
            cnpStart(
                Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()),
                Paths.get(zielOrdner.toString() + "/" + qfile.getFileName()));
          } else if (Files.isDirectory(qfile) && Files.exists(target)) {
            textArea.append("Wechsle in Verzeichnis: " + qfile + System.lineSeparator());
            cnpStart(
                Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()),
                Paths.get(zielOrdner.toString() + "/" + qfile.getFileName()));
          }
          // Wenn die Datei noch nicht existiert
          else if (!Files.exists(target)) {
            textArea.append(
                "Datei " + target.toString() + " wurde erstellt" + System.lineSeparator());
            Files.copy(qfile, target, StandardCopyOption.REPLACE_EXISTING);

          }
          // Wenn Datei im Zielverzeichnis schon existiert
          else if (Files.exists(target)) {
            if (cAUeSchr) {
              textArea.append(
                  "Datei "
                      + target.toString()
                      + " wird absolut überschrieben"
                      + System.lineSeparator());
              Files.copy(qfile, target, StandardCopyOption.REPLACE_EXISTING);
            } else if (cUeSchr) {
              if (checkAlter(
                  Paths.get(quellOrdner.toString() + "/" + qfile.getFileName()),
                  Paths.get(zielOrdner.toString() + "/" + qfile.getFileName()))) {
                textArea.append(
                    target.toString()
                        + " wird mit neuer Datei überschrieben"
                        + System.lineSeparator());
                Files.copy(qfile, target, StandardCopyOption.REPLACE_EXISTING);
              } else {
                textArea.append(
                    target.toString() + " alte Datei bleibt bestehen" + System.lineSeparator());
              }
            } else
              textArea.append(
                  target.toString() + " alte Datei bleibt bestehen" + System.lineSeparator());
          }
          pbCounter++;
          progressBar.setValue(pbCounter);
        }

        qstream.close();
      } catch (IOException e) {

        e.printStackTrace();
      }
    }