Added better depricated warning message and clarified some java doc stuff

src/main/java/org/asamk/signal/commands/GetUserStatusCommand.java

@@ -8,6 +8,8 @@ import net.sourceforge.argparse4j.inf.Namespace;
 import net.sourceforge.argparse4j.inf.Subparser;
 
 import org.asamk.signal.manager.Manager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.util.HashSet;
@@ -17,6 +19,9 @@ import java.util.stream.Collectors;
 
 public class GetUserStatusCommand implements LocalCommand {
 
+    // TODO delete later when "json" variable is removed
+    final static Logger logger = LoggerFactory.getLogger(GetUserStatusCommand.class);
+
     @Override
     public void attachToSubparser(final Subparser subparser) {
         subparser.addArgument("number").help("Phone number").nargs("+");
@@ -32,6 +37,13 @@ public class GetUserStatusCommand implements LocalCommand {
         ObjectMapper jsonProcessor = new ObjectMapper();
         jsonProcessor.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
 
+        boolean inJson = ns.getString("output").equals("json");
+
+        // TODO delete later when "json" variable is removed
+        if (ns.getBoolean("json")) {
+            logger.warn("\"--json\" option has been deprecated, please use \"output\" instead.");
+        }
+
         // Get a map of registration statuses
         Map<String, Boolean> registered;
         try {
@@ -41,12 +53,6 @@ public class GetUserStatusCommand implements LocalCommand {
             return 1;
         }
 
-        boolean inJson = ns.getString("output").equals("json");
-        if (ns.getBoolean("json")) {
-            inJson = true;
-            System.out.println("WARNING: This parameter is now deprecated! Please use the \"output\" parameter instead.");
-        }
-
         // Output
         if (inJson) {
             List<JsonIsRegistered> objects = registered.entrySet()

src/main/java/org/asamk/signal/commands/ReceiveCommand.java

@@ -20,6 +20,10 @@ import org.freedesktop.dbus.connections.impl.DBusConnection;
 import org.freedesktop.dbus.exceptions.DBusException;
 import org.whispersystems.util.Base64;
 
+// TODO delete later when "json" variable is removed
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
 
@@ -27,6 +31,9 @@ import static org.asamk.signal.util.ErrorUtils.handleAssertionError;
 
 public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
 
+    // TODO delete later when "json" variable is removed
+    final static Logger logger = LoggerFactory.getLogger(ReceiveCommand.class);
+
     @Override
     public void attachToSubparser(final Subparser subparser) {
         subparser.addArgument("-t", "--timeout")
@@ -45,6 +52,11 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
 
         boolean inJson = ns.getString("output").equals("json") || ns.getBoolean("json");
 
+        // TODO delete later when "json" variable is removed
+        if (ns.getBoolean("json")) {
+            logger.warn("\"--json\" option has been deprecated, please use \"output\" instead.");
+        }
+
         if (inJson) {
             jsonProcessor = new ObjectMapper();
             jsonProcessor.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
@@ -151,6 +163,11 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
     public int handleCommand(final Namespace ns, final Manager m) {
         boolean inJson = ns.getString("output").equals("json") || ns.getBoolean("json");
 
+        // TODO delete later when "json" variable is removed
+        if (ns.getBoolean("json")) {
+            logger.warn("\"--json\" option has been deprecated, please use \"output\" instead.");
+        }
+
         double timeout = 5;
         if (ns.getDouble("timeout") != null) {
             timeout = ns.getDouble("timeout");

src/main/java/org/asamk/signal/manager/Manager.java

@@ -340,7 +340,7 @@ public class Manager implements Closeable {
      *
      * @param numbers The set of phone number in question
      * @return A map of numbers to booleans. True if registered, false otherwise. Should never be null
-     * @throws IOException if its unable to check if the users are registered
+     * @throws IOException if its unable to get the contacts to check if they're registered
      */
     public Map<String, Boolean> areUsersRegistered(Set<String> numbers) throws IOException {
         // Note "contactDetails" has no optionals. It only gives us info on users who are registered