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

   1 package net.pterodactylus.fcp.quelaton;
   2
   3 import java.io.IOException;
   4 import java.util.concurrent.ExecutionException;
   5 import java.util.concurrent.ExecutorService;
   6
   7 import net.pterodactylus.fcp.UnsubscribeUSK;
   8
   9 import com.google.common.util.concurrent.ListenableFuture;
  10 import com.google.common.util.concurrent.ListeningExecutorService;
  11 import com.google.common.util.concurrent.MoreExecutors;
  12
  13 /**
  14  * Default {@link UnsubscribeUskCommand} implementation based on {@link FcpDialog}.
  15  *
  16  * @author <a href="mailto:bombe@freenetproject.org">David ‘Bombe’ Roden</a>
  17  */
  18 public class UnsubscribeUskCommandImpl implements UnsubscribeUskCommand {
  19
  20         private static final RandomIdentifierGenerator IDENTIFIER = new RandomIdentifierGenerator();
  21         private final ListeningExecutorService threadPool;
  22         private final ConnectionSupplier connectionSupplier;
  23         private final UnsubscribeUSK unsubscribeUSK = new UnsubscribeUSK(IDENTIFIER.generate());
  24
  25         public UnsubscribeUskCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
  26                 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
  27                 this.connectionSupplier = connectionSupplier;
  28         }
  29
  30         @Override
  31         public Executable<Void> identifier(String identifier) {
  32                 return this::execute;
  33         }
  34
  35         private ListenableFuture<Void> execute() {
  36                 return threadPool.submit(this::executeDialog);
  37         }
  38
  39         private Void executeDialog() throws IOException, ExecutionException, InterruptedException {
  40                 try (UnsubscribeUskDialog unsubscribeUskDialog = new UnsubscribeUskDialog()) {
  41                         return unsubscribeUskDialog.send(unsubscribeUSK).get();
  42                 }
  43         }
  44
  45         private class UnsubscribeUskDialog extends FcpDialog<Void> {
  46
  47                 public UnsubscribeUskDialog() throws IOException {
  48                         super(threadPool, connectionSupplier.get());
  49                 }
  50
  51                 @Override
  52                 protected boolean isFinished() {
  53                         return true;
  54                 }
  55
  56         }
  57
  58 }