custom log data key-value pairs are injected multiple times per operation (DAT-15572)

liquibase-standard/src/main/java/liquibase/util/ValueHandlerUtil.java

@@ -0,0 +1,50 @@
+package liquibase.util;
+
+import java.util.Arrays;
+
+public class ValueHandlerUtil {
+    /**
+     * Get the valid enum value from a configuration parameter if possible.
+     *
+     * @param enumClass     the enum to use
+     * @param input         the configuration input to search the enumClass
+     * @param parameterName the name to report to the user if no valid enum values are found
+     * @return the enum value or null
+     */
+    public static <T extends Enum<T>> T getEnum(Class<T> enumClass, Object input, String parameterName) {
+        if (input == null) {
+            return null;
+        }
+        if (input instanceof String) {
+            String stringInput = (String) input;
+
+            if (Arrays.stream(enumClass.getEnumConstants()).noneMatch(enumValue -> enumValue.toString().equalsIgnoreCase(stringInput))) {
+                throw new IllegalArgumentException(String.format("WARNING: The %s value '%s' is not valid. Valid values include: '%s'",
+                        parameterName.toLowerCase(),
+                        stringInput,
+                        StringUtil.join(enumClass.getEnumConstants(), "', '", Object::toString)));
+            }
+            return Enum.valueOf(enumClass, stringInput.toUpperCase());
+        } else if (enumClass.isAssignableFrom(input.getClass())) {
+            return enumClass.cast(input);
+        } else {
+            return null;
+        }
+    }
+
+    public static Boolean booleanValueHandler(Object input) {
+        if (input == null) {
+            return true;
+        }
+        if (input instanceof Boolean) {
+            return (Boolean) input;
+        }
+        String verboseString = (String) input;
+        if (verboseString.equalsIgnoreCase("true") || verboseString.equalsIgnoreCase("false")) {
+            return Boolean.valueOf(verboseString);
+        }
+        String messageString =
+                "\nWARNING:  The input '" + verboseString + "' is not valid.  Options: 'true' or 'false'.";
+        throw new IllegalArgumentException(messageString);
+    }
+}