Refactor dbus client mode to improve maintainability

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

diff --git a/src/main/java/org/asamk/signal/commands/ReceiveCommand.java b/src/main/java/org/asamk/signal/commands/ReceiveCommand.java
index acb3a66289b2d4c0ac929e7863eab84cacd7e1f1..62b3164bfbf7968fee5c07cf2fee0b13a48fab1c 100644 (file)
--- a/src/main/java/org/asamk/signal/commands/ReceiveCommand.java
+++ b/src/main/java/org/asamk/signal/commands/ReceiveCommand.java
@@ -8,7 +8,8 @@ import org.asamk.Signal;
 import org.asamk.signal.JsonReceiveMessageHandler;
 import org.asamk.signal.JsonWriter;
 import org.asamk.signal.OutputType;
-import org.asamk.signal.PlainTextWriterImpl;
+import org.asamk.signal.OutputWriter;
+import org.asamk.signal.PlainTextWriter;
 import org.asamk.signal.ReceiveMessageHandler;
 import org.asamk.signal.commands.exceptions.CommandException;
 import org.asamk.signal.commands.exceptions.IOErrorException;
@@ -23,14 +24,19 @@ import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.util.Base64;
+import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
 public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
 
     private final static Logger logger = LoggerFactory.getLogger(ReceiveCommand.class);
 
+    @Override
+    public String getName() {
+        return "receive";
+    }
+
     @Override
     public void attachToSubparser(final Subparser subparser) {
         subparser.help("Query the server for new messages.");
@@ -41,51 +47,41 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
         subparser.addArgument("--ignore-attachments")
                 .help("Don’t download attachments of received messages.")
                 .action(Arguments.storeTrue());
-        subparser.addArgument("--json")
-                .help("WARNING: This parameter is now deprecated! Please use the global \"--output=json\" option instead.\n\nOutput received messages in json format, one json object per line.")
-                .action(Arguments.storeTrue());
     }
 
     @Override
-    public Set<OutputType> getSupportedOutputTypes() {
-        return Set.of(OutputType.PLAIN_TEXT, OutputType.JSON);
+    public List<OutputType> getSupportedOutputTypes() {
+        return List.of(OutputType.PLAIN_TEXT, OutputType.JSON);
     }
 
     public void handleCommand(
-            final Namespace ns, final Signal signal, DBusConnection dbusconnection
+            final Namespace ns, final Signal signal, DBusConnection dbusconnection, final OutputWriter outputWriter
     ) throws CommandException {
-        var inJson = ns.get("output") == OutputType.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 the global \"--output=json\" instead.");
-        }
-
         try {
-            if (inJson) {
-                final var jsonWriter = new JsonWriter(System.out);
+            if (outputWriter instanceof JsonWriter) {
+                final var jsonWriter = (JsonWriter) outputWriter;
 
-                dbusconnection.addSigHandler(Signal.MessageReceived.class, messageReceived -> {
+                dbusconnection.addSigHandler(Signal.MessageReceived.class, signal, messageReceived -> {
                     var envelope = new JsonMessageEnvelope(messageReceived);
                     final var object = Map.of("envelope", envelope);
                     jsonWriter.write(object);
                 });
 
-                dbusconnection.addSigHandler(Signal.ReceiptReceived.class, receiptReceived -> {
+                dbusconnection.addSigHandler(Signal.ReceiptReceived.class, signal, receiptReceived -> {
                     var envelope = new JsonMessageEnvelope(receiptReceived);
                     final var object = Map.of("envelope", envelope);
                     jsonWriter.write(object);
                 });
 
-                dbusconnection.addSigHandler(Signal.SyncMessageReceived.class, syncReceived -> {
+                dbusconnection.addSigHandler(Signal.SyncMessageReceived.class, signal, syncReceived -> {
                     var envelope = new JsonMessageEnvelope(syncReceived);
                     final var object = Map.of("envelope", envelope);
                     jsonWriter.write(object);
                 });
             } else {
-                final var writer = new PlainTextWriterImpl(System.out);
+                final var writer = (PlainTextWriter) outputWriter;
 
-                dbusconnection.addSigHandler(Signal.MessageReceived.class, messageReceived -> {
+                dbusconnection.addSigHandler(Signal.MessageReceived.class, signal, messageReceived -> {
                     writer.println("Envelope from: {}", messageReceived.getSender());
                     writer.println("Timestamp: {}", DateUtils.formatTimestamp(messageReceived.getTimestamp()));
                     writer.println("Body: {}", messageReceived.getMessage());
@@ -103,12 +99,12 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
                     writer.println();
                 });
 
-                dbusconnection.addSigHandler(Signal.ReceiptReceived.class, receiptReceived -> {
+                dbusconnection.addSigHandler(Signal.ReceiptReceived.class, signal, receiptReceived -> {
                     writer.println("Receipt from: {}", receiptReceived.getSender());
                     writer.println("Timestamp: {}", DateUtils.formatTimestamp(receiptReceived.getTimestamp()));
                 });
 
-                dbusconnection.addSigHandler(Signal.SyncMessageReceived.class, syncReceived -> {
+                dbusconnection.addSigHandler(Signal.SyncMessageReceived.class, signal, syncReceived -> {
                     writer.println("Sync Envelope from: {} to: {}",
                             syncReceived.getSource(),
                             syncReceived.getDestination());
@@ -130,7 +126,7 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
             }
         } catch (DBusException e) {
             logger.error("Dbus client failed", e);
-            throw new UnexpectedErrorException("Dbus client failed");
+            throw new UnexpectedErrorException("Dbus client failed", e);
         }
         while (true) {
             try {
@@ -142,14 +138,9 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
     }
 
     @Override
-    public void handleCommand(final Namespace ns, final Manager m) throws CommandException {
-        var inJson = ns.get("output") == OutputType.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 the global \"--output=json\" instead.");
-        }
-
+    public void handleCommand(
+            final Namespace ns, final Manager m, final OutputWriter outputWriter
+    ) throws CommandException {
         double timeout = ns.getDouble("timeout");
         var returnOnTimeout = true;
         if (timeout < 0) {
@@ -158,14 +149,15 @@ public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand {
         }
         boolean ignoreAttachments = ns.getBoolean("ignore-attachments");
         try {
-            final var handler = inJson ? new JsonReceiveMessageHandler(m) : new ReceiveMessageHandler(m);
+            final var handler = outputWriter instanceof JsonWriter ? new JsonReceiveMessageHandler(m,
+                    (JsonWriter) outputWriter) : new ReceiveMessageHandler(m, (PlainTextWriter) outputWriter);
             m.receiveMessages((long) (timeout * 1000),
                     TimeUnit.MILLISECONDS,
                     returnOnTimeout,
                     ignoreAttachments,
                     handler);
         } catch (IOException e) {
-            throw new IOErrorException("Error while receiving messages: " + e.getMessage());
+            throw new IOErrorException("Error while receiving messages: " + e.getMessage(), e);
         }
     }
 }