+package net.pterodactylus.fcp.quelaton;
+
+import java.io.IOException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+
+import net.pterodactylus.fcp.UnsubscribeUSK;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import com.google.common.util.concurrent.MoreExecutors;
+
+/**
+ * Default {@link UnsubscribeUskCommand} implementation based on {@link FcpDialog}.
+ *
+ * @author <a href="mailto:bombe@freenetproject.org">David ‘Bombe’ Roden</a>
+ */
+public class UnsubscribeUskCommandImpl implements UnsubscribeUskCommand {
+
+ private static final RandomIdentifierGenerator IDENTIFIER = new RandomIdentifierGenerator();
+ private final ListeningExecutorService threadPool;
+ private final ConnectionSupplier connectionSupplier;
+ private final UnsubscribeUSK unsubscribeUSK = new UnsubscribeUSK(IDENTIFIER.generate());
+
+ public UnsubscribeUskCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
+ this.threadPool = MoreExecutors.listeningDecorator(threadPool);
+ this.connectionSupplier = connectionSupplier;
+ }
+
+ @Override
+ public Executable<Void> identifier(String identifier) {
+ return this::execute;
+ }
+
+ private ListenableFuture<Void> execute() {
+ return threadPool.submit(this::executeDialog);
+ }
+
+ private Void executeDialog() throws IOException, ExecutionException, InterruptedException {
+ try (UnsubscribeUskDialog unsubscribeUskDialog = new UnsubscribeUskDialog()) {
+ return unsubscribeUskDialog.send(unsubscribeUSK).get();
+ }
+ }
+
+ private class UnsubscribeUskDialog extends FcpDialog<Void> {
+
+ public UnsubscribeUskDialog() throws IOException {
+ super(threadPool, connectionSupplier.get());
+ }
+
+ @Override
+ protected boolean isFinished() {
+ return true;
+ }
+
+ }
+
+}