feat!: adds support for duration in java

docs/migrations/version-2-to-3.md

@@ -0,0 +1,62 @@
+# Migration from v2 to v3
+
+This document contains all the breaking changes and migrations guidelines for adapting your code to the new version.
+
+### TypeScript
+
+Is not affected by this change.
+
+### JavaScript
+
+Is not affected by this change.
+
+### C#
+
+Is not affected by this change.
+
+### Java
+
+#### java.time.Duration is used when format is duration
+
+This example used to generate a `String`, but is now instead using `java.time.Duration`.
+
+```yaml
+type: object
+properties:
+  duration:
+    type: string
+    format: duration
+```
+
+will generate
+
+```java
+public class TestClass {
+  private java.time.Duration duration;
+  ...
+}
+```
+
+### Kotlin
+
+Is not affected by this change.
+
+### Rust
+
+Is not affected by this change.
+
+### Python
+
+Is not affected by this change.
+
+### Go
+
+Is not affected by this change.
+
+### Dart
+
+Is not affected by this change.
+
+### C++
+
+Is not affected by this change.

jest.config.js

@@ -28,5 +28,6 @@ module.exports = {
     '<rootDir>/examples/TEMPLATE',
     '<rootDir>/test/generators/template',
     '<rootDir>/test/processors/TemplateInputProcessor.spec.ts'
-  ]
+  ],
+  watchPathIgnorePatterns: ['<rootDir>/node_modules']
 };

src/generators/java/JavaConstrainer.ts

@@ -178,6 +178,8 @@ export const JavaDefaultTypeMapping: JavaTypeMapping = {
       case 'dateTime':
       case 'date-time':
         return 'java.time.OffsetDateTime';
+      case 'duration':
+        return 'java.time.Duration';
       case 'binary':
         return 'byte[]';
       default:

test/generators/java/JavaConstrainer.spec.ts

@@ -348,6 +348,19 @@ describe('JavaConstrainer', () => {
       });
       expect(type).toEqual('byte[]');
     });
+    test('should render Duration when format has duration format', () => {
+      const model = new ConstrainedStringModel(
+        'test',
+        {},
+        { format: 'duration' },
+        ''
+      );
+      const type = JavaDefaultTypeMapping.String({
+        constrainedModel: model,
+        ...defaultOptions
+      });
+      expect(type).toEqual('java.time.Duration');
+    });
   });
   describe('Boolean', () => {
     test('should render type', () => {