Implement JsonRpc command for commands without output

[signal-cli] / src / main / java / org / asamk / signal / commands / RegisterCommand.java

diff --git a/src/main/java/org/asamk/signal/commands/RegisterCommand.java b/src/main/java/org/asamk/signal/commands/RegisterCommand.java
index 971e4dd18000bc0ea17e8af4f38172a208ae3a72..cd23c8abf0eff0ee7ea222c635b488da62e2f099 100644 (file)
--- a/src/main/java/org/asamk/signal/commands/RegisterCommand.java
+++ b/src/main/java/org/asamk/signal/commands/RegisterCommand.java
@@ -4,6 +4,7 @@ import net.sourceforge.argparse4j.impl.Arguments;
 import net.sourceforge.argparse4j.inf.Namespace;
 import net.sourceforge.argparse4j.inf.Subparser;
 
+import org.asamk.signal.OutputWriter;
 import org.asamk.signal.commands.exceptions.CommandException;
 import org.asamk.signal.commands.exceptions.IOErrorException;
 import org.asamk.signal.commands.exceptions.UserErrorException;
@@ -14,8 +15,10 @@ import java.io.IOException;
 
 public class RegisterCommand implements RegistrationCommand {
 
-    @Override
-    public void attachToSubparser(final Subparser subparser) {
+    public RegisterCommand(final OutputWriter outputWriter) {
+    }
+
+    public static void attachToSubparser(final Subparser subparser) {
         subparser.help("Register a phone number with SMS or voice verification.");
         subparser.addArgument("-v", "--voice")
                 .help("The verification should be done over voice, not SMS.")
@@ -27,7 +30,8 @@ public class RegisterCommand implements RegistrationCommand {
     @Override
     public void handleCommand(final Namespace ns, final RegistrationManager m) throws CommandException {
         final boolean voiceVerification = ns.getBoolean("voice");
-        final var captcha = ns.getString("captcha").replace("signalcaptcha://", "");
+        final var captchaString = ns.getString("captcha");
+        final var captcha = captchaString == null ? null : captchaString.replace("signalcaptcha://", "");
 
         try {
             m.register(voiceVerification, captcha);