feat: add chat streaming method examples (start/append/stop)

methods/README.md

@@ -18,5 +18,8 @@ $ mvn compile exec:java -Dexec.mainClass=chat.ChatPostMessage  # Make the reques
 
 ### chat
 
+- **[chat.appendStream](https://docs.slack.dev/reference/methods/chat.appendStream)**: Appends text to an existing streaming conversation. [Implementation](./src/main/java/chat/ChatAppendStream.java).
 - **[chat.postMessage](https://docs.slack.dev/reference/methods/chat.postmessage)**: Sends a message to a channel. [Implementation](./src/main/java/chat/ChatPostMessage.java).
+- **[chat.startStream](https://docs.slack.dev/reference/methods/chat.startStream)**: Starts a new streaming conversation. [Implementation](./src/main/java/chat/ChatStartStream.java).
+- **[chat.stopStream](https://docs.slack.dev/reference/methods/chat.stopStream)**: Stops a streaming conversation. [Implementation](./src/main/java/chat/ChatStopStream.java).
 

methods/src/main/java/chat/ChatAppendStream.java

@@ -0,0 +1,30 @@
+package chat;
+
+import com.slack.api.Slack;
+import com.slack.api.methods.MethodsClient;
+import com.slack.api.methods.SlackApiException;
+import com.slack.api.methods.request.chat.ChatAppendStreamRequest;
+import com.slack.api.methods.response.chat.ChatAppendStreamResponse;
+import java.io.IOException;
+
+public class ChatAppendStream {
+
+    public static void main(String[] args) throws IOException, SlackApiException {
+        // Read a token from an environment variable
+        String token = System.getenv("SLACK_TOKEN");
+
+        // Initialize
+        MethodsClient methods = Slack.getInstance().methods(token);
+
+        // Call the chat.appendStream method
+        ChatAppendStreamRequest request = ChatAppendStreamRequest.builder()
+                .channel("C123ABC456")
+                .ts("1234567890.123456")
+                .markdownText(" — reading the logs now")
+                .build();
+        ChatAppendStreamResponse response = methods.chatAppendStream(request);
+
+        // Inspect the response
+        System.out.println(response);
+    }
+}

methods/src/main/java/chat/ChatStartStream.java

@@ -0,0 +1,30 @@
+package chat;
+
+import com.slack.api.Slack;
+import com.slack.api.methods.MethodsClient;
+import com.slack.api.methods.SlackApiException;
+import com.slack.api.methods.request.chat.ChatStartStreamRequest;
+import com.slack.api.methods.response.chat.ChatStartStreamResponse;
+import java.io.IOException;
+
+public class ChatStartStream {
+
+    public static void main(String[] args) throws IOException, SlackApiException {
+        // Read a token from an environment variable
+        String token = System.getenv("SLACK_TOKEN");
+
+        // Initialize
+        MethodsClient methods = Slack.getInstance().methods(token);
+
+        // Call the chat.startStream method
+        ChatStartStreamRequest request = ChatStartStreamRequest.builder()
+                .channel("C123ABC456")
+                .threadTs("1234567890.123456")
+                .markdownText("Let me look into that")
+                .build();
+        ChatStartStreamResponse response = methods.chatStartStream(request);
+
+        // Inspect the response
+        System.out.println(response);
+    }
+}

methods/src/main/java/chat/ChatStopStream.java

@@ -0,0 +1,29 @@
+package chat;
+
+import com.slack.api.Slack;
+import com.slack.api.methods.MethodsClient;
+import com.slack.api.methods.SlackApiException;
+import com.slack.api.methods.request.chat.ChatStopStreamRequest;
+import com.slack.api.methods.response.chat.ChatStopStreamResponse;
+import java.io.IOException;
+
+public class ChatStopStream {
+
+    public static void main(String[] args) throws IOException, SlackApiException {
+        // Read a token from an environment variable
+        String token = System.getenv("SLACK_TOKEN");
+
+        // Initialize
+        MethodsClient methods = Slack.getInstance().methods(token);
+
+        // Call the chat.stopStream method
+        ChatStopStreamRequest request = ChatStopStreamRequest.builder()
+                .channel("C123ABC456")
+                .ts("1234567890.123456")
+                .build();
+        ChatStopStreamResponse response = methods.chatStopStream(request);
+
+        // Inspect the response
+        System.out.println(response);
+    }
+}