src/main/java/net/pterodactylus/fcp/quelaton/ModifyConfigCommandImpl.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 import java.util.concurrent.atomic.AtomicBoolean;
   7 import java.util.concurrent.atomic.AtomicReference;
   8
   9 import net.pterodactylus.fcp.ConfigData;
  10 import net.pterodactylus.fcp.ModifyConfig;
  11
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import com.google.common.util.concurrent.ListeningExecutorService;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15
  16 /**
  17  * Default {@link ModifyConfigCommand} implementation based on {@link FcpDialog}.
  18  *
  19  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  20  */
  21 public class ModifyConfigCommandImpl implements ModifyConfigCommand {
  22
  23         private final ModifyConfig modifyConfig = new ModifyConfig(new RandomIdentifierGenerator().generate());
  24         private final ListeningExecutorService threadPool;
  25         private final ConnectionSupplier connectionSupplier;
  26
  27         public ModifyConfigCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
  28                 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
  29                 this.connectionSupplier = connectionSupplier;
  30         }
  31
  32         @Override
  33         public WithValue set(String key) {
  34                 return value -> to(key, value);
  35         }
  36
  37         private ModifyConfigCommand to(String key, String value) {
  38                 modifyConfig.setOption(key, value);
  39                 return this;
  40         }
  41
  42         @Override
  43         public ListenableFuture<ConfigData> execute() {
  44                 return threadPool.submit(this::executeDialog);
  45         }
  46
  47         private ConfigData executeDialog() throws IOException, ExecutionException, InterruptedException {
  48                 try (ModifyConfigDialog modifyConfigDialog = new ModifyConfigDialog()) {
  49                         return modifyConfigDialog.send(modifyConfig).get();
  50                 }
  51         }
  52
  53         private class ModifyConfigDialog extends FcpDialog<ConfigData> {
  54
  55                 private final AtomicBoolean finished = new AtomicBoolean();
  56                 private final AtomicReference<ConfigData> configData = new AtomicReference<>();
  57
  58                 public ModifyConfigDialog() throws IOException {
  59                         super(threadPool, connectionSupplier.get());
  60                 }
  61
  62                 @Override
  63                 protected boolean isFinished() {
  64                         return finished.get();
  65                 }
  66
  67                 @Override
  68                 protected ConfigData getResult() {
  69                         return configData.get();
  70                 }
  71
  72                 @Override
  73                 protected void consumeConfigData(ConfigData configData) {
  74                         this.configData.set(configData);
  75                         finished.set(true);
  76                 }
  77
  78         }
  79
  80 }