add restart in testnet/mainnet menu command

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -1,5 +1,6 @@
 package com.sparrowwallet.sparrow;
 
+import com.beust.jcommander.JCommander;
 import com.google.common.base.Charsets;
 import com.google.common.eventbus.Subscribe;
 import com.google.common.io.ByteSource;
@@ -90,6 +91,7 @@ public class AppController implements Initializable {
     public static final String LOADING_TRANSACTIONS_MESSAGE = "Loading wallet, select Transactions tab to view...";
     public static final String CONNECTION_FAILED_PREFIX = "Connection failed: ";
     public static final String TRYING_ANOTHER_SERVER_MESSAGE = "trying another server...";
+    public static final String JPACKAGE_APP_PATH = "jpackage.app-path";
 
     @FXML
     private MenuItem saveTransaction;
@@ -181,6 +183,9 @@ public class AppController implements Initializable {
     private CheckMenuItem preventSleep;
     private static final BooleanProperty preventSleepProperty = new SimpleBooleanProperty();
 
+    @FXML
+    private MenuItem restart;
+
     @FXML
     private StackPane rootStack;
 
@@ -334,6 +339,8 @@ public class AppController implements Initializable {
         showLoadingLog.selectedProperty().bindBidirectional(showLoadingLogProperty);
         preventSleepProperty.set(Config.get().isPreventSleep());
         preventSleep.selectedProperty().bindBidirectional(preventSleepProperty);
+        restart.setText("Restart in " + (Network.get() == Network.MAINNET ? Network.TESTNET.toDisplayString() : Network.MAINNET.toDisplayString()));
+        restart.setVisible(System.getProperty(JPACKAGE_APP_PATH) != null);
 
         saveTransaction.setDisable(true);
         showTransaction.visibleProperty().bind(Bindings.and(saveTransaction.visibleProperty(), saveTransaction.disableProperty().not()));
@@ -839,6 +846,31 @@ public class AppController implements Initializable {
         AppServices.get().setPreventSleep(item.isSelected());
     }
 
+    public void restart(ActionEvent event) {
+        if(System.getProperty(JPACKAGE_APP_PATH) == null) {
+            throw new IllegalStateException("Property " + JPACKAGE_APP_PATH + " is not present");
+        }
+
+        Args args = new Args();
+        ProcessHandle.current().info().arguments().ifPresent(argv -> {
+            JCommander jCommander = JCommander.newBuilder().addObject(args).acceptUnknownOptions(true).build();
+            jCommander.parse(argv);
+        });
+
+        args.network = (Network.get() == Network.MAINNET ? Network.TESTNET : Network.MAINNET);
+
+        try {
+            List<String> cmd = new ArrayList<>();
+            cmd.add(System.getProperty(JPACKAGE_APP_PATH));
+            cmd.addAll(args.toParams());
+            final ProcessBuilder builder = new ProcessBuilder(cmd);
+            builder.start();
+            quit(event);
+        } catch(Exception e) {
+            log.error("Error restarting application", e);
+        }
+    }
+
     public void openFile(File file) {
         if(isWalletFile(file)) {
             openWalletFile(file, true);

src/main/java/com/sparrowwallet/sparrow/Args.java

@@ -4,6 +4,9 @@ import com.beust.jcommander.Parameter;
 import com.sparrowwallet.drongo.Network;
 import org.slf4j.event.Level;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class Args {
     @Parameter(names = { "--dir", "-d" }, description = "Path to Sparrow home folder")
     public String dir;
@@ -16,4 +19,23 @@ public class Args {
 
     @Parameter(names = { "--help", "-h" }, description = "Show usage", help = true)
     public boolean help;
+
+    public List<String> toParams() {
+        List<String> params = new ArrayList<>();
+
+        if(dir != null) {
+            params.add("-d");
+            params.add(dir);
+        }
+        if(network != null) {
+            params.add("-n");
+            params.add(network.toString());
+        }
+        if(level != null) {
+            params.add("-l");
+            params.add(level.toString());
+        }
+
+        return params;
+    }
 }

src/main/resources/com/sparrowwallet/sparrow/app.fxml

@@ -118,6 +118,7 @@
                     <SeparatorMenuItem />
                     <MenuItem styleClass="osxHide,windowsHide" mnemonicParsing="false" text="Install Udev Rules" onAction="#installUdevRules"/>
                     <CheckMenuItem fx:id="preventSleep" mnemonicParsing="false" text="Prevent Computer Sleep" onAction="#preventSleep"/>
+                    <MenuItem fx:id="restart" mnemonicParsing="false" text="Restart" onAction="#restart" />
                 </Menu>
                 <Menu fx:id="helpMenu" mnemonicParsing="false" text="Help">
                     <MenuItem mnemonicParsing="false" text="Show Introduction" onAction="#showIntroduction"/>