Examples of io.vertx.core.file.FileSystemException

io.vertx.core.file.FileSystemException
g">Tim Fox

    File file = vertx.resolveFile(p);
    return new BlockingAction<List<String>>(handler) {
      public List<String> perform() {
        try {
          if (!file.exists()) {
            throw new FileSystemException("Cannot read directory " + file + ". Does not exist");
          }
          if (!file.isDirectory()) {
            throw new FileSystemException("Cannot read directory " + file + ". It's not a directory");
          } else {
            FilenameFilter fnFilter;
            if (filter != null) {
              fnFilter = new FilenameFilter() {
                public boolean accept(File dir, String name) {
                  return Pattern.matches(filter, name);
                }
              };
            } else {
              fnFilter = null;
            }
            File[] files;
            if (fnFilter == null) {
              files = file.listFiles();
            } else {
              files = file.listFiles(fnFilter);
            }
            List<String> ret = new ArrayList<>(files.length);
            for (File f : files) {
              ret.add(f.getCanonicalPath());
            }
            return ret;
          }
        } catch (IOException e) {
          throw new FileSystemException(e);
        }
      }
    };
  }

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        try {
          byte[] bytes = Files.readAllBytes(target);
          Buffer buff = Buffer.buffer(bytes);
          return buff;
        } catch (IOException e) {
          throw new FileSystemException(e);
        }
      }
    };
  }

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      public Void perform() {
        try {
          Files.write(target, data.getBytes());
          return null;
        } catch (IOException e) {
          throw new FileSystemException(e);
        }
      }
    };
  }

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            Files.createFile(target, attrs);
          } else {
            Files.createFile(target);
          }
        } catch (IOException e) {
          throw new FileSystemException(e);
        }
        return null;
      }
    };
  }

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      public FileSystemProps perform() {
        try {
          FileStore fs = Files.getFileStore(target);
          return new FileSystemPropsImpl(fs.getTotalSpace(), fs.getUnallocatedSpace(), fs.getUsableSpace());
        } catch (IOException e) {
          throw new FileSystemException(e);
        }
      }
    };
  }

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  private long readPos;
  private boolean readInProgress;


  AsyncFileImpl(VertxInternal vertx, String path, OpenOptions options, ContextImpl context) {
    if (!options.isRead() && !options.isWrite()) {
      throw new FileSystemException("Cannot open file for neither reading nor writing");
    }
    this.vertx = vertx;
    Path file = Paths.get(path);
    HashSet<OpenOption> opts = new HashSet<>();
    if (options.isRead()) opts.add(StandardOpenOption.READ);
    if (options.isWrite()) opts.add(StandardOpenOption.WRITE);
    if (options.isCreate()) opts.add(StandardOpenOption.CREATE);
    if (options.isCreateNew()) opts.add(StandardOpenOption.CREATE_NEW);
    if (options.isSync()) opts.add(StandardOpenOption.SYNC);
    if (options.isDSync()) opts.add(StandardOpenOption.DSYNC);
    if (options.isDeleteOnClose()) opts.add(StandardOpenOption.DELETE_ON_CLOSE);
    if (options.isSparse()) opts.add(StandardOpenOption.SPARSE);
    if (options.isTruncateExisting()) opts.add(StandardOpenOption.TRUNCATE_EXISTING);
    try {
      if (options.getPerms() != null) {
        FileAttribute<?> attrs = PosixFilePermissions.asFileAttribute(PosixFilePermissions.fromString(options.getPerms()));
        ch = AsynchronousFileChannel.open(file, opts, vertx.getWorkerPool(), attrs);
      } else {
        ch = AsynchronousFileChannel.open(file, opts, vertx.getWorkerPool());
      }
    } catch (IOException e) {
      throw new FileSystemException(e);
    }
    this.context = context;
  }

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    context.executeBlocking(() -> {
      try {
        ch.force(false);
        return null;
      } catch (IOException e) {
        throw new FileSystemException(e);
      }
    }, handler);
  }

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Related Classes of io.vertx.core.file.FileSystemException

io.vertx.core.file.impl.AsyncFileImpl

io.vertx.core.file.impl.FileSystemImpl

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