feat: switch to jackson for YAML config parsing

nicko-core/dependency-reduced-pom.xml

@@ -35,6 +35,8 @@
                   <include>net.wesjd:anvilgui</include>
                   <include>de.studiocode.invui:*</include>
                   <include>com.github.jsixface:*</include>
+                  <include>com.fasterxml.jackson.dataformat</include>
+                  <include>com.fasterxml.jackson.core</include>
                 </includes>
               </artifactSet>
               <relocations>
@@ -50,6 +52,14 @@
                   <pattern>com.github.jsixface</pattern>
                   <shadedPattern>net.artelnatif.libs.yaml</shadedPattern>
                 </relocation>
+                <relocation>
+                  <pattern>com.fasterxml.jackson.dataformat</pattern>
+                  <shadedPattern>net.artelnatif.libs.jackson.yaml</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>com.fasterxml.jackson.core</pattern>
+                  <shadedPattern>net.artelnatif.libs.jackson.core</shadedPattern>
+                </relocation>
               </relocations>
               <minimizeJar>false</minimizeJar>
             </configuration>

nicko-core/pom.xml

@@ -111,6 +111,18 @@
             <artifactId>yamlconfig</artifactId>
             <version>1.1.1</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <version>2.14.0-rc1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>2.14.0-rc1</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -136,6 +148,8 @@
                                     <include>net.wesjd:anvilgui</include>
                                     <include>de.studiocode.invui:*</include>
                                     <include>com.github.jsixface:*</include>
+                                    <include>com.fasterxml.jackson.dataformat</include>
+                                    <include>com.fasterxml.jackson.core</include>
                                 </includes>
                             </artifactSet>
                             <relocations>
@@ -151,6 +165,14 @@
                                     <pattern>com.github.jsixface</pattern>
                                     <shadedPattern>net.artelnatif.libs.yaml</shadedPattern>
                                 </relocation>
+                                <relocation>
+                                    <pattern>com.fasterxml.jackson.dataformat</pattern>
+                                    <shadedPattern>net.artelnatif.libs.jackson.yaml</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>com.fasterxml.jackson.core</pattern>
+                                    <shadedPattern>net.artelnatif.libs.jackson.core</shadedPattern>
+                                </relocation>
                             </relocations>
                             <!-- Prevents breaking AnvilGUI's VersionWrapper. -->
                             <minimizeJar>false</minimizeJar>

nicko-core/src/main/java/net/artelnatif/nicko/config/Configuration.java

@@ -7,4 +7,8 @@ public record Configuration(
         String prefix,
         Boolean local,
         Boolean bungeecord,
-        Boolean customLocale) { }
+        Boolean customLocale) {
+    public Configuration() {
+        this("", "", "", "", false, false, false);
+    }
+}

nicko-core/src/main/java/net/artelnatif/nicko/config/ConfigurationManager.java

@@ -1,7 +1,8 @@
 package net.artelnatif.nicko.config;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import net.artelnatif.nicko.Nicko;
-import org.yaml.snakeyaml.Yaml;
 
 import java.io.*;
 import java.nio.file.Files;
@@ -9,7 +10,7 @@ import java.nio.file.StandardCopyOption;
 
 public class ConfigurationManager {
     private final Nicko nicko;
-    private final Yaml yaml = new Yaml();
+    private final ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
     private final File directory;
     private final File file;
 
@@ -21,17 +22,20 @@ public class ConfigurationManager {
 
     public void save(Configuration configuration) throws IOException {
         try (BufferedWriter writer = new BufferedWriter(new FileWriter(file))) {
-            yaml.dump(configuration, writer);
+            mapper.writeValue(writer, configuration);
             writer.flush();
         }
     }
 
     public void saveDefaultConfig() {
         if (!file.exists()) {
+            System.out.println("FILE DOES NOT EXISTS");
             try {
-                final InputStream input = ConfigurationManager.class.getResourceAsStream("config.yml");
+                final InputStream input = getClass().getResourceAsStream("/config.yml");
                 if (input != null) {
                     nicko.getLogger().info("Saved default configuration as config.yml");
+                    Files.createDirectories(file.getParentFile().toPath());
+                    Files.createFile(file.toPath());
                     Files.copy(input, file.toPath(), StandardCopyOption.REPLACE_EXISTING);
                 }
             } catch (IOException e) {
@@ -42,7 +46,7 @@ public class ConfigurationManager {
 
     public Configuration load() throws IOException {
         try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
-            return yaml.loadAs(reader, Configuration.class);
+            return mapper.readValue(reader, Configuration.class);
         }
     }
 }

nicko-core/src/main/resources/config.yml

@@ -13,8 +13,6 @@
 # GENERAL #
 ###########
 
-common:
-  storage:
 # SQL database's address
 # Accepted values: valid IP address (e.g. localhost, 127.0.0.1)
 address: "localhost"
@@ -29,7 +27,6 @@ common:
 # BUKKIT/SPIGOT #
 #################
 
-bukkit:
 # Nicko's messages prefix.
 # Accepted values: any string
 prefix: "§8[§6Nicko§8] "