src/main/java/net/pterodactylus/fcp/quelaton/ClientPutDiskDirCommandImpl.java

   1 package net.pterodactylus.fcp.quelaton;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.util.Objects;
   6 import java.util.Optional;
   7 import java.util.concurrent.ExecutionException;
   8 import java.util.concurrent.ExecutorService;
   9 import java.util.concurrent.atomic.AtomicReference;
  10 import java.util.function.Supplier;
  11
  12 import net.pterodactylus.fcp.ClientPutDiskDir;
  13 import net.pterodactylus.fcp.Key;
  14 import net.pterodactylus.fcp.PutSuccessful;
  15
  16 import com.google.common.util.concurrent.ListeningExecutorService;
  17 import com.google.common.util.concurrent.MoreExecutors;
  18
  19 /**
  20  * Default {@link ClientPutDiskDirCommand} implemented based on {@link FcpDialog}.
  21  *
  22  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  23  */
  24 public class ClientPutDiskDirCommandImpl implements ClientPutDiskDirCommand {
  25
  26         private final ListeningExecutorService threadPool;
  27         private final ConnectionSupplier connectionSupplier;
  28         private final Supplier<String> identifierGenerator;
  29         private final AtomicReference<String> directory = new AtomicReference<>();
  30         private final AtomicReference<String> uri = new AtomicReference<>();
  31
  32         public ClientPutDiskDirCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier, Supplier<String> identifierGenerator) {
  33                 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
  34                 this.connectionSupplier = connectionSupplier;
  35                 this.identifierGenerator = identifierGenerator;
  36         }
  37
  38         @Override
  39         public WithUri fromDirectory(File directory) {
  40                 this.directory.set(Objects.requireNonNull(directory).getPath());
  41                 return this::uri;
  42         }
  43
  44         public Executable<Optional<Key>> uri(String uri) {
  45                 this.uri.set(Objects.requireNonNull(uri));
  46                 return () -> threadPool.submit(this::execute);
  47         }
  48
  49         private Optional<Key> execute() throws IOException, ExecutionException, InterruptedException {
  50                 ClientPutDiskDir clientPutDiskDir = new ClientPutDiskDir(uri.get(), identifierGenerator.get(), directory.get());
  51                 try (ClientPutDiskDirDialog clientPutDiskDirDialog = new ClientPutDiskDirDialog()) {
  52                         return clientPutDiskDirDialog.send(clientPutDiskDir).get();
  53                 }
  54         }
  55
  56         private class ClientPutDiskDirDialog extends FcpDialog<Optional<Key>> {
  57
  58                 public ClientPutDiskDirDialog() throws IOException {
  59                         super(threadPool, connectionSupplier.get(), Optional.<Key>empty());
  60                 }
  61
  62                 @Override
  63                 protected void consumePutSuccessful(PutSuccessful putSuccessful) {
  64                         setResult(Optional.of(new Key(putSuccessful.getURI())));
  65                 }
  66
  67         }
  68
  69 }