Replace default basicAuth scheme with bearerAuth in OpenAPI spec

Basic auth is dated; the generated spec now defaults to HTTP Bearer
token authentication to match modern Axis2 REST service patterns.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: robertlazarski

modules/openapi/src/main/java/org/apache/axis2/openapi/OpenApiConfiguration.java

@@ -196,12 +196,12 @@ public void loadConfiguration() {
      * Load default configuration values.
      */
     private void loadDefaultConfiguration() {
-        // Add default security scheme
-        SecurityScheme basicAuth = new SecurityScheme();
-        basicAuth.setType(SecurityScheme.Type.HTTP);
-        basicAuth.setScheme("basic");
-        basicAuth.setDescription("Basic Authentication");
-        securityDefinitions.put("basicAuth", basicAuth);
+        // Add default security scheme — Bearer token auth
+        SecurityScheme bearerAuth = new SecurityScheme();
+        bearerAuth.setType(SecurityScheme.Type.HTTP);
+        bearerAuth.setScheme("bearer");
+        bearerAuth.setDescription("Bearer token authentication");
+        securityDefinitions.put("bearerAuth", bearerAuth);
     }
 
     /**

modules/openapi/src/main/java/org/apache/axis2/openapi/OpenApiModule.java

@@ -45,7 +45,7 @@
  * Key features (Enhanced in v2.0.1):
  * - Automatic OpenAPI 3.0.1 specification generation from service metadata
  * - Comprehensive configuration system with properties file support
- * - Security schemes integration (OAuth2, API Key, Basic Auth, etc.)
+ * - Security schemes integration (OAuth2, API Key, Bearer token, etc.)
  * - Advanced customization via OpenApiCustomizer interface
  * - Swagger UI integration for interactive API documentation
  * - Resource filtering and route management

modules/openapi/src/test/java/org/apache/axis2/openapi/AdvancedGuideIntegrationTest.java

@@ -268,12 +268,11 @@ public void testMultiSecuritySchemeScenario() throws Exception {
         assertTrue("Should have at least one security scheme", securitySchemes.size() >= 1);
 
         // Verify multiple authentication options are available
-        boolean hasBasicAuth = securitySchemes.containsKey("basicAuth");
         boolean hasBearerAuth = securitySchemes.containsKey("bearerAuth");
         boolean hasApiKey = securitySchemes.containsKey("apiKey");
         boolean hasOAuth2 = securitySchemes.containsKey("oauth2");
 
-        assertTrue("Should have basic authentication by default", hasBasicAuth);
+        assertTrue("Should have bearer token authentication by default", hasBearerAuth);
 
         // Test that operations can use different security schemes
         Map<String, PathItem> paths = openApi.getPaths();

modules/openapi/src/test/java/org/apache/axis2/openapi/OpenApiConfigurationTest.java

@@ -81,11 +81,11 @@ public void testDefaultCollections() {
         assertNotNull(config.getSecurityDefinitions());
         assertNotNull(config.getSwaggerUiMediaTypes());
 
-        // Should have default security scheme
-        assertTrue(config.getSecurityDefinitions().containsKey("basicAuth"));
-        SecurityScheme basicAuth = config.getSecurityDefinitions().get("basicAuth");
-        assertEquals(SecurityScheme.Type.HTTP, basicAuth.getType());
-        assertEquals("basic", basicAuth.getScheme());
+        // Should have default security scheme (Bearer token)
+        assertTrue(config.getSecurityDefinitions().containsKey("bearerAuth"));
+        SecurityScheme bearerAuth = config.getSecurityDefinitions().get("bearerAuth");
+        assertEquals(SecurityScheme.Type.HTTP, bearerAuth.getType());
+        assertEquals("bearer", bearerAuth.getScheme());
     }
 
     @Test
@@ -456,7 +456,7 @@ public void testLargeConfigurationPerformance() {
         assertEquals(10000, config.getResourcePackages().size());
         assertEquals(10000, config.getResourceClasses().size());
         assertEquals(10000, config.getIgnoredRoutes().size());
-        // +1 for default basicAuth scheme
+        // +1 for default bearerAuth scheme
         assertEquals(10001, config.getSecurityDefinitions().size());
     }