src/main/java/net/pterodactylus/fcp/quelaton/GetConfigCommandImpl.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.GetConfig;
  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 GetConfigCommand} implementation based on {@link FcpDialog}.
  18  *
  19  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  20  */
  21 public class GetConfigCommandImpl implements GetConfigCommand {
  22
  23         private final ListeningExecutorService threadPool;
  24         private final ConnectionSupplier connectionSupplier;
  25         private final AtomicBoolean withCurrent = new AtomicBoolean();
  26         private final AtomicBoolean withDefaults = new AtomicBoolean();
  27         private final AtomicBoolean withSortOrder = new AtomicBoolean();
  28         private final AtomicBoolean withExpertFlag = new AtomicBoolean();
  29         private final AtomicBoolean withForceWriteFlag = new AtomicBoolean();
  30
  31         public GetConfigCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
  32                 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
  33                 this.connectionSupplier = connectionSupplier;
  34         }
  35
  36         @Override
  37         public GetConfigCommand withCurrent() {
  38                 withCurrent.set(true);
  39                 return this;
  40         }
  41
  42         @Override
  43         public GetConfigCommand withDefaults() {
  44                 withDefaults.set(true);
  45                 return this;
  46         }
  47
  48         @Override
  49         public GetConfigCommand withSortOrder() {
  50                 withSortOrder.set(true);
  51                 return this;
  52         }
  53
  54         @Override
  55         public GetConfigCommand withExpertFlag() {
  56                 withExpertFlag.set(true);
  57                 return this;
  58         }
  59
  60         @Override
  61         public GetConfigCommand withForceWriteFlag() {
  62                 withForceWriteFlag.set(true);
  63                 return this;
  64         }
  65
  66         @Override
  67         public ListenableFuture<ConfigData> execute() {
  68                 return threadPool.submit(this::executeDialog);
  69         }
  70
  71         private ConfigData executeDialog() throws IOException, ExecutionException, InterruptedException {
  72                 GetConfig getConfig = new GetConfig(new RandomIdentifierGenerator().generate());
  73                 getConfig.setWithCurrent(withCurrent.get());
  74                 getConfig.setWithDefaults(withDefaults.get());
  75                 getConfig.setWithSortOrder(withSortOrder.get());
  76                 getConfig.setWithExpertFlag(withExpertFlag.get());
  77                 getConfig.setWithForceWriteFlag(withForceWriteFlag.get());
  78                 try (GetConfigDialog getConfigDialog = new GetConfigDialog()) {
  79                         return getConfigDialog.send(getConfig).get();
  80                 }
  81         }
  82
  83         private class GetConfigDialog extends FcpDialog<ConfigData> {
  84
  85                 private final AtomicReference<ConfigData> configData = new AtomicReference<>();
  86
  87                 public GetConfigDialog() throws IOException {
  88                         super(threadPool, connectionSupplier.get());
  89                 }
  90
  91                 @Override
  92                 protected boolean isFinished() {
  93                         return configData.get() != null;
  94                 }
  95
  96                 @Override
  97                 protected ConfigData getResult() {
  98                         return configData.get();
  99                 }
 100
 101                 @Override
 102                 protected void consumeConfigData(ConfigData configData) {
 103                         this.configData.set(configData);
 104                 }
 105
 106         }
 107
 108 }