fix: use parameter generateTimestamp to suppress timestamp in @generated annotation #433

Signed-off-by: anessi <16045045+anessi@users.noreply.github.com>

Author: anessi

README.md

@@ -87,6 +87,7 @@ It is RECOMMENDED to not use anonymous objects in payload and components definit
 |completionTimeout|Only for MQTT. The completion timeout in milliseconds for operations. The default completion timeout is 30000 milliseconds.| No       | `30000`                  |
 |mqttClientId| Only for MQTT. Provides the client identifier for the MQTT server. This parameter overrides the value of the clientId if it's set in the AsyncAPI file.If both aren't provided, a default value is set.| No       |                          |
 |asyncapiFileDir| Path where original AsyncAPI file will be stored.| No       | `src/main/resources/api/` |
+|generateTimestamp| Adds the generation timestamp to the @Generated annotation.| No       | `true`                   |
 ### Examples
 
 The shortest possible syntax:

package.json

@@ -117,6 +117,11 @@
         "description": "Generate pom.xml Maven build file instead of Gradle build",
         "default": false,
         "required": false
+      },
+      "generateTimestamp": {
+        "description": "Adds the generation timestamp to the @Generated annotation",
+        "default": "true",
+        "required": false
       }
     },
     "generator": ">=1.8.27 <2.0.0",

template/src/main/java/com/asyncapi/model/$$objectSchema$$.java

@@ -21,7 +21,7 @@
  * {{ line | safe}}{% endfor %}{% if schema.examples() %}
  * Examples: {{schema.examples() | examplesToString | safe}}{% endif %}
  */{% endif %}
-@Generated(value="com.asyncapi.generator.template.spring", date="{{''|currentTime }}")
+@Generated(value="com.asyncapi.generator.template.spring"{% if params.generateTimestamp === 'true' %}, date="{{''|currentTime }}"{%- endif %})
 public class {{schemaName | camelCase | upperFirst}} {
     {% for propName, prop in schema.properties() %}
         {%- set isRequired = propName | isRequired(schema.required()) %}