⬆️ (Cargo.toml): bump version to 0.1.2 for new release

♻️ (connection_details.rs): refactor `new` method to return Result for better error handling
✨ (connection_details.rs): set default adapter set to "DEFAULT" if none provided

✨ (ls_client.rs): update `new` method to handle Result from ConnectionDetails::new

🐛 (main.rs): fix subscription item list to include correct items
♻️ (main.rs): replace magic number with constant for max connection attempts

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lightstreamer-client"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["Daniel López Azaña <daniloaz@gmail.com>"]
 description = "A Rust client for Lightstreamer, designed to facilitate real-time communication with Lightstreamer servers."

src/connection_details.rs

@@ -1,6 +1,7 @@
 use crate::client_listener::ClientListener;
 use crate::error::IllegalArgumentException;
 
+use std::error::Error;
 use std::fmt::{self, Debug, Formatter};
 
 /// Used by `LightstreamerClient` to provide a basic connection properties data object.
@@ -170,12 +171,12 @@ impl ConnectionDetails {
     }
 
     /// Creates a new ConnectionDetails object with default values.
-    pub fn new(server_address: Option<&str>, adapter_set: Option<&str>) -> ConnectionDetails {
+    pub fn new(server_address: Option<&str>, adapter_set: Option<&str>) -> Result<ConnectionDetails, Box<dyn Error>> {
-        ConnectionDetails {
+        let mut connection_details = ConnectionDetails::default();
-            server_address: server_address.map(|s| s.to_string()), // convert &str to String
+        connection_details.set_server_address(server_address.map(|s| s.to_string()))?;
-            adapter_set: adapter_set.map(|s| s.to_string()), // convert &str to String
+        connection_details.set_adapter_set(adapter_set.map(|s| s.to_string()));
-            ..Default::default()
+
-        }
+        Ok(connection_details)
     }
 
     /// Setter method that sets the name of the Adapter Set mounted on Lightstreamer Server to
@@ -202,7 +203,7 @@ impl ConnectionDetails {
     /// * `adapter_set`: The name of the Adapter Set to be used. A `None` value is equivalent to
     ///   the "DEFAULT" name.
     pub fn set_adapter_set(&mut self, adapter_set: Option<String>) {
-        self.adapter_set = adapter_set;
+        self.adapter_set = Some(adapter_set.unwrap_or("DEFAULT".to_string()));
 
         // Notify listeners about the property change
         for listener in &self.listeners {

src/ls_client.rs

@@ -496,6 +496,7 @@ impl LightstreamerClient {
                                     //
                                     "u" => {
                                         println!("Received data update from server: '{}'", clean_text);
+
                                     },
                                     //
                                     // Connection confirmation from server.
@@ -703,8 +704,8 @@ impl LightstreamerClient {
     pub fn new(
         server_address: Option<&str>,
         adapter_set: Option<&str>,
-    ) -> Result<LightstreamerClient, IllegalStateException> {
+    ) -> Result<LightstreamerClient, Box<dyn Error>> {
-        let connection_details = ConnectionDetails::new(server_address, adapter_set);
+        let connection_details = ConnectionDetails::new(server_address, adapter_set)?;
         let connection_options = ConnectionOptions::default();
 
         Ok(LightstreamerClient {

src/main.rs

@@ -67,7 +67,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
     let mut my_subscription = Subscription::new(
         SubscriptionMode::Merge,
         Some(vec![
-            "item1".to_string(),
+            "item2".to_string(),
             "item2".to_string(),
             "item3".to_string(),
         ]),
@@ -124,7 +124,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
         }
     }
 
-    if retry_counter == 5 {
+    if retry_counter == MAX_CONNECTION_ATTEMPTS {
         println!("Failed to connect after {} retries. Exiting...", retry_counter);
     } else {
         println!("Exiting orderly from Lightstreamer client...");