#169 - Uplift Snakeyaml to v2.2

build.gradle

@@ -72,7 +72,7 @@ ext.libraries = [
 
     jakarta_xml_api                         : dependencies.create("jakarta.xml.bind:jakarta.xml.bind-api:4.0.2"),
 
-    snake_yaml                              : dependencies.create("org.yaml:snakeyaml:1.33"),
+    snake_yaml                              : dependencies.create("org.yaml:snakeyaml:2.2"),
 
     springdoc_openapi_ui                    : dependencies.create("org.springdoc:springdoc-openapi-starter-webmvc-ui:2.6.0"),
 

bxbot-yaml-datastore/src/main/java/com/gazbert/bxbot/datastore/yaml/ConfigurationManager.java

@@ -34,6 +34,7 @@
 import lombok.extern.log4j.Log4j2;
 import org.springframework.stereotype.Component;
 import org.yaml.snakeyaml.DumperOptions;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.Constructor;
 import org.yaml.snakeyaml.introspector.BeanAccess;
@@ -52,7 +53,7 @@
 @Log4j2
 public class ConfigurationManager {
 
-  private static final String YAML_HEADER = "---" + System.getProperty("line.separator");
+  private static final String YAML_HEADER = "---" + System.lineSeparator();
 
   /** Creates the Configuration Manager. */
   public ConfigurationManager() {
@@ -72,7 +73,9 @@ public synchronized <T> T loadConfig(final Class<T> configClass, String yamlConf
     log.info("Loading configuration for [" + configClass + "] from: " + yamlConfigFile + " ...");
 
     try (final FileInputStream fileInputStream = new FileInputStream(yamlConfigFile)) {
-      final Yaml yaml = new Yaml(new Constructor(configClass));
+
+      final LoaderOptions options = new LoaderOptions();
+      final Yaml yaml = new Yaml(new Constructor(configClass, options));
       final T requestedConfig = yaml.load(fileInputStream);
 
       log.info("Loaded and set configuration for [" + configClass + "] successfully!");
@@ -108,10 +111,11 @@ public synchronized <T> void saveConfig(Class<T> configClass, T config, String y
             new PrintWriter(fileOutputStream, true, StandardCharsets.UTF_8)) {
 
       // Skip null fields and order the YAML fields
-      final Representer representer = new SkipNullFieldRepresenter();
+      final DumperOptions options = new DumperOptions();
+      final Representer representer = new SkipNullFieldRepresenter(options);
       representer.setPropertyUtils(new ReversedPropertyUtils());
-
       final Yaml yaml = new Yaml(representer);
+
       final StringBuilder sb = new StringBuilder(YAML_HEADER);
       sb.append(yaml.dumpAs(config, Tag.MAP, DumperOptions.FlowStyle.BLOCK));
 
@@ -133,6 +137,11 @@ public synchronized <T> void saveConfig(Class<T> configClass, T config, String y
 
   /** Stops null fields from getting written out to YAML. */
   private static class SkipNullFieldRepresenter extends Representer {
+
+    SkipNullFieldRepresenter(DumperOptions options) {
+      super(options);
+    }
+
     @Override
     protected NodeTuple representJavaBeanProperty(
         Object javaBean, Property property, Object propertyValue, Tag customTag) {

pom.xml

@@ -243,7 +243,7 @@
       <dependency>
         <groupId>org.yaml</groupId>
         <artifactId>snakeyaml</artifactId>
-        <version>1.33</version>
+        <version>2.2</version>
       </dependency>
       <dependency>
         <groupId>org.springdoc</groupId>