Support for UUID type (#13)

src/main/java/tech/ailef/dbadmin/external/controller/DefaultDbAdminController.java

@@ -252,7 +252,9 @@ public class DefaultDbAdminController {
 	public String show(Model model, @PathVariable String className, @PathVariable String id) {
 		DbObjectSchema schema = dbAdmin.findSchemaByClassName(className);
 		
-		DbObject object = repository.findById(schema, id).orElseThrow(() -> {
+		Object pkValue = schema.getPrimaryKey().getType().parseValue(id);
+		
+		DbObject object = repository.findById(schema, pkValue).orElseThrow(() -> {
 			return new DbAdminNotFoundException(
 				schema.getJavaClass().getSimpleName() + " with ID " + id + " not found."
 			);

src/main/java/tech/ailef/dbadmin/external/dbmapping/DbFieldType.java

@@ -38,6 +38,7 @@ import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import tech.ailef.dbadmin.external.dto.CompareOperator;
 import tech.ailef.dbadmin.external.exceptions.DbAdminException;
+import tech.ailef.dbadmin.external.exceptions.UnsupportedFieldTypeException;
 
 /**
  * The enum for supported database field types. 
@@ -429,6 +430,29 @@ public enum DbFieldType {
 			throw new DbAdminException("Binary fields are not comparable");
 		}
 	},
+	UUID {
+
+		@Override
+		public String getFragmentName() {
+			return "text";
+		}
+
+		@Override
+		public Object parseValue(Object value) {
+			return java.util.UUID.fromString(value.toString());
+		}
+
+		@Override
+		public Class<?> getJavaClass() {
+			return java.util.UUID.class;
+		}
+
+		@Override
+		public List<CompareOperator> getCompareOperators() {
+			return List.of(CompareOperator.STRING_EQ, CompareOperator.CONTAINS);
+		}
+		
+	},
 	ONE_TO_MANY {
 		@Override
 		public String getFragmentName() {
@@ -609,10 +633,12 @@ public enum DbFieldType {
 			return OFFSET_DATE_TIME;
 		} else if (klass == byte.class || klass == Byte.class) {
 			return BYTE;
+		} else if (klass == java.util.UUID.class) {
+			return UUID;
 		} else if (klass == char.class || klass == Character.class) {
 			return CHAR;
 		} else {
-			throw new DbAdminException("Unsupported field type: " + klass);
+			throw new UnsupportedFieldTypeException("Unsupported field type: " + klass);
 		}
 	}
 }