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         private final AtomicBoolean withShortDescription = new AtomicBoolean();
  31
  32         public GetConfigCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
  33                 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
  34                 this.connectionSupplier = connectionSupplier;
  35         }
  36
  37         @Override
  38         public GetConfigCommand withCurrent() {
  39                 withCurrent.set(true);
  40                 return this;
  41         }
  42
  43         @Override
  44         public GetConfigCommand withDefaults() {
  45                 withDefaults.set(true);
  46                 return this;
  47         }
  48
  49         @Override
  50         public GetConfigCommand withSortOrder() {
  51                 withSortOrder.set(true);
  52                 return this;
  53         }
  54
  55         @Override
  56         public GetConfigCommand withExpertFlag() {
  57                 withExpertFlag.set(true);
  58                 return this;
  59         }
  60
  61         @Override
  62         public GetConfigCommand withForceWriteFlag() {
  63                 withForceWriteFlag.set(true);
  64                 return this;
  65         }
  66
  67         @Override
  68         public GetConfigCommand withShortDescription() {
  69                 withShortDescription.set(true);
  70                 return this;
  71         }
  72
  73         @Override
  74         public ListenableFuture<ConfigData> execute() {
  75                 return threadPool.submit(this::executeDialog);
  76         }
  77
  78         private ConfigData executeDialog() throws IOException, ExecutionException, InterruptedException {
  79                 GetConfig getConfig = new GetConfig(new RandomIdentifierGenerator().generate());
  80                 getConfig.setWithCurrent(withCurrent.get());
  81                 getConfig.setWithDefaults(withDefaults.get());
  82                 getConfig.setWithSortOrder(withSortOrder.get());
  83                 getConfig.setWithExpertFlag(withExpertFlag.get());
  84                 getConfig.setWithForceWriteFlag(withForceWriteFlag.get());
  85                 getConfig.setWithShortDescription(withShortDescription.get());
  86                 try (GetConfigDialog getConfigDialog = new GetConfigDialog()) {
  87                         return getConfigDialog.send(getConfig).get();
  88                 }
  89         }
  90
  91         private class GetConfigDialog extends FcpDialog<ConfigData> {
  92
  93                 private final AtomicReference<ConfigData> configData = new AtomicReference<>();
  94
  95                 public GetConfigDialog() throws IOException {
  96                         super(threadPool, connectionSupplier.get());
  97                 }
  98
  99                 @Override
 100                 protected boolean isFinished() {
 101                         return configData.get() != null;
 102                 }
 103
 104                 @Override
 105                 protected ConfigData getResult() {
 106                         return configData.get();
 107                 }
 108
 109                 @Override
 110                 protected void consumeConfigData(ConfigData configData) {
 111                         this.configData.set(configData);
 112                 }
 113
 114         }
 115
 116 }