Конфигурационный файл

pom.xml

@@ -40,5 +40,13 @@
             <artifactId>jakarta.persistence-api</artifactId>
             <version>3.1.0</version>
         </dependency>
+
+        <!-- Source: https://mvnrepository.com/artifact/org.yaml/snakeyaml -->
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>2.5</version>
+        </dependency>
+
     </dependencies>
 </project>

server.yml

@@ -0,0 +1,12 @@
+#Подключение к БД
+database:
+  host: db
+  user: your_user
+  password: your_password
+  db: your_database
+#CDN (транспортные) серверы
+transport_servers:
+  - https://cdn.rosetta-im.com
+#Серверы обновлений
+update_servers:
+  - https://update.rosetta-im.com

src/main/java/com/rosetta/im/Boot.java

@@ -2,6 +2,7 @@ package com.rosetta.im;
 
 import com.rosetta.im.client.ClientManager;
 import com.rosetta.im.client.OnlineManager;
+import com.rosetta.im.config.Configuration;
 import com.rosetta.im.event.EventManager;
 import com.rosetta.im.executors.Executor0Handshake;
 import com.rosetta.im.executors.Executor11Typeing;
@@ -53,6 +54,7 @@ public class Boot {
     private ServerAdapter serverAdapter;
     private ClientManager clientManager;
     private OnlineManager onlineManager;
+    private Configuration configuration;
 
     public Boot() {
         this.packetManager = new PacketManager();
@@ -65,6 +67,7 @@ public class Boot {
             30
         ), packetManager, this.serverAdapter);
         this.clientManager = new ClientManager(server);
+        this.configuration = new Configuration("server.yml");
     }
 
     /**
@@ -104,12 +107,19 @@ public class Boot {
      * @return Boot
      */
     public Boot bootstrap() {
-        this.server.start();
-        this.registerAllPackets();
-        this.registerAllExecutors();
-        this.registerAllEvents();
-        this.printBootMessage();
-        return this;
+        try{
+            this.configuration.loadConfiguration();
+            this.server.start();
+            this.registerAllPackets();
+            this.registerAllExecutors();
+            this.registerAllEvents();
+            this.printBootMessage();
+            return this;            
+        }catch(Exception e){
+            this.logger.error("Booting error, stack trace:");
+            e.printStackTrace();
+            return null;
+        }
     }
 
     private void registerAllEvents() {

src/main/java/com/rosetta/im/Configuration.java

@@ -1,7 +0,0 @@
-package com.rosetta.im;
-
-public class Configuration {
-
-    public static final int PROTOCOL_VERSION = 1;
-
-}

src/main/java/com/rosetta/im/config/Configuration.java

@@ -0,0 +1,41 @@
+package com.rosetta.im.config;
+
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import org.yaml.snakeyaml.LoaderOptions;
+import org.yaml.snakeyaml.Yaml;
+
+import com.rosetta.im.exception.ConfigurationException;
+
+public class Configuration {
+
+    private String serverConfigName;
+
+    public Configuration(String serverConfigName) {
+        this.serverConfigName = serverConfigName;
+    }
+
+    public ServerConfiguration loadConfiguration() throws ConfigurationException, Exception {
+        if(!Files.exists(Paths.get(this.serverConfigName))){
+            /**
+             * Файл конфигурации с переданным названием не найден
+             */
+            throw new ConfigurationException(this.serverConfigName + " is missing");
+        }
+      
+        LoaderOptions options = new LoaderOptions();
+        Yaml yaml = new Yaml(options);
+
+        InputStream inputStream = Files.newInputStream(Paths.get(this.serverConfigName));
+        /**
+         * SnakeYAML автоматически загрузит обьект ServerConfiguration через рефлексию
+         * обратите внимание название полей в ServerConfiguration должны совпадать с названиями в 
+         * server.yml
+         */
+        ServerConfiguration serverConfiguration = yaml.loadAs(inputStream, ServerConfiguration.class);
+        return serverConfiguration;
+    }
+
+}

src/main/java/com/rosetta/im/config/DatabaseConfiguration.java

@@ -0,0 +1,42 @@
+package com.rosetta.im.config;
+
+public class DatabaseConfiguration {
+
+    public String host;
+    public String user;
+    public String password;
+    public String db;
+
+    public String getHost() {
+        return host;
+    }
+    
+    public void setHost(String host) {
+        this.host = host;
+    }
+    
+    public String getUser() {
+        return user;
+    }
+    
+    public void setUser(String user) {
+        this.user = user;
+    }
+    
+    public String getPassword() {
+        return password;
+    }
+    
+    public void setPassword(String password) {
+        this.password = password;
+    }
+    
+    public String getDb() {
+        return db;
+    }
+    
+    public void setDb(String db) {
+        this.db = db;
+    }
+
+}

src/main/java/com/rosetta/im/config/ServerConfiguration.java

@@ -0,0 +1,31 @@
+package com.rosetta.im.config;
+
+import java.util.List;
+
+/**
+ * Этот файл отвечает за конфигурацию которая хранится в файле server.yml
+ */
+public class ServerConfiguration {
+
+    public DatabaseConfiguration database;
+    
+    public List<String> cdn_servers;
+
+    public DatabaseConfiguration getDatabase() {
+        return database;
+    }
+
+    public void setDatabase(DatabaseConfiguration database) {
+        this.database = database;
+    }
+    
+    public List<String> getCdnServers() {
+        return cdn_servers;
+    }
+    
+    public void setCdnServers(List<String> cdn_servers) {
+        this.cdn_servers = cdn_servers;
+    }
+
+
+}

src/main/java/com/rosetta/im/exception/ConfigurationException.java

@@ -0,0 +1,12 @@
+package com.rosetta.im.exception;
+
+/**
+ * Выбрасывается когда файл конфигурации не найден
+ */
+public class ConfigurationException extends Exception {
+
+    public ConfigurationException(String message){
+        super(message);
+    }
+
+}

src/main/java/com/rosetta/im/executors/Executor0Handshake.java

@@ -1,6 +1,5 @@
 package com.rosetta.im.executors;
 
-import com.rosetta.im.Configuration;
 import com.rosetta.im.Failures;
 import com.rosetta.im.client.ClientManager;
 import com.rosetta.im.client.tags.ECIAuthentificate;
@@ -65,7 +64,7 @@ public class Executor0Handshake extends PacketExecutor<Packet0Handshake> {
         /**
          * Проверяем корректность версии протокола
          */
-        if(protocolVersion != Configuration.PROTOCOL_VERSION) {
+        if(protocolVersion != 1) {
             client.disconnect(Failures.UNSUPPORTED_PROTOCOL);
             return;
         }