upgrading snakeyaml and adding serialVersionUIDs to serializable classes to eliminate compiler warnings (#1404)

Author: robertpatrick

core/src/main/java/oracle/weblogic/deploy/json/JsonException.java

@@ -11,6 +11,7 @@
  * JsonException is the exception used by the JSON parser and translation package.
  */
 public class JsonException extends BundleAwareException {
+    private static final long serialVersionUID = 1L;
 
     /**
      * Constructs a default exception.

core/src/main/java/oracle/weblogic/deploy/logging/DeprecationLevel.java

@@ -9,6 +9,8 @@
 public class DeprecationLevel extends Level {
     public static final Level DEPRECATION = new DeprecationLevel("DEPRECATION", 850);
 
+    private static final long serialVersionUID = 1L;
+
     protected DeprecationLevel(String name, int value) {
         super(name, value);
     }

core/src/main/java/oracle/weblogic/deploy/logging/NotificationLevel.java

@@ -8,6 +8,9 @@
 
 public class NotificationLevel extends Level {
     public static final Level NOTIFICATION = new NotificationLevel("NOTIFICATION", 840);
+
+    private static final long serialVersionUID = 1L;
+
     protected NotificationLevel(String name, int value) {
         super(name, value);
     }

core/src/main/java/oracle/weblogic/deploy/logging/ToDoLevel.java

@@ -9,6 +9,8 @@
 public class ToDoLevel extends Level {
     public static final Level TODO = new ToDoLevel("TODO", 820);
 
+    private static final long serialVersionUID = 1L;
+
     protected ToDoLevel(String name, int value) {
         super(name, value);
     }

core/src/main/java/oracle/weblogic/deploy/util/OrderedMap.java

@@ -11,6 +11,8 @@
  * and has a mapping of element keys to a list of comments.
  */
 public class OrderedMap extends LinkedHashMap<String, Object> {
+    private static final long serialVersionUID = 1L;
+
     private transient CommentMap commentMap = new CommentMap();
 
     public OrderedMap() {

core/src/main/java/oracle/weblogic/deploy/util/PyRealBoolean.java

@@ -14,6 +14,8 @@
  * boolean values to be distinguished from other types.
  */
 public class PyRealBoolean extends PyObject {
+    private static final long serialVersionUID = 1L;
+
     private final boolean isTrue;
 
     public PyRealBoolean(boolean isTrue) {

core/src/main/java/oracle/weblogic/deploy/yaml/AbstractYamlTranslator.java

@@ -29,6 +29,7 @@
 import org.yaml.snakeyaml.DumperOptions;
 import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.constructor.SafeConstructor;
 
 /**
  * This class does the heavy-lifting of walking the parse tree and performing the conversion into a Python dictionary.
@@ -83,7 +84,7 @@ protected PyList parseInternal(InputStream inputStream, boolean allowMultiple) t
         // so build a java.util.List and construct PyList(javaList).
         List<PyObject> result = new ArrayList<>();
         if (inputStream != null) {
-            Yaml parser = new Yaml(this.getDefaultLoaderOptions());
+            Yaml parser = new Yaml(new SafeConstructor(this.getDefaultLoaderOptions()));
 
             try {
                 Iterable<Object> docsIterable = parser.loadAll(inputStream);

pom.xml

@@ -45,7 +45,7 @@
         <weblogic-deploy-installer-name>weblogic-deploy</weblogic-deploy-installer-name>
         <skipTests>false</skipTests>
         <antlr.version>4.9.3</antlr.version>
-        <snakeyaml.version>1.33</snakeyaml.version>
+        <snakeyaml.version>2.0</snakeyaml.version>
         <picocli.version>4.7.1</picocli.version>
 
         <sonar.organization>oracle</sonar.organization>