feat: improve open api generator

- support java dsl
- streamline implementation with standard citrus builder pattern
- support open api parameter serialization

catalog/citrus-bom/pom.xml

@@ -238,6 +238,21 @@
         <artifactId>citrus-openapi</artifactId>
         <version>4.4.0-SNAPSHOT</version>
       </dependency>
+      <dependency>
+        <groupId>org.citrusframework</groupId>
+        <artifactId>citrus-test-api-core</artifactId>
+        <version>4.4.0-SNAPSHOT</version>
+      </dependency>
+      <dependency>
+        <groupId>org.citrusframework</groupId>
+        <artifactId>citrus-test-api-generator-core</artifactId>
+        <version>4.4.0-SNAPSHOT</version>
+      </dependency>
+      <dependency>
+        <groupId>org.citrusframework</groupId>
+        <artifactId>citrus-test-api-spring</artifactId>
+        <version>4.4.0-SNAPSHOT</version>
+      </dependency>
       <dependency>
         <groupId>org.citrusframework</groupId>
         <artifactId>citrus-jms</artifactId>

connectors/citrus-openapi/README.md

@@ -0,0 +1,6 @@
+// TODO
+OpenApiServerRequest
+- SchemaValidation is active by default (also in other scenarios)
+
+Oas Validation now by ValidationFramework
+- no control response message is created any more

connectors/citrus-openapi/src/main/java/org/citrusframework/openapi/OpenApiResourceLoader.java

@@ -21,6 +21,8 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.apicurio.datamodels.Library;
 import io.apicurio.datamodels.openapi.models.OasDocument;
+import java.io.InputStream;
+import java.net.URLConnection;
 import org.apache.hc.client5.http.ssl.NoopHostnameVerifier;
 import org.apache.hc.client5.http.ssl.TrustAllStrategy;
 import org.apache.hc.core5.http.HttpHeaders;
@@ -110,24 +112,31 @@ public static String rawFromWebResource(URL url) {
     }
 
     private static <T> T fromWebResource(URL url, Resolver<T> resolver) {
-        HttpURLConnection con = null;
+        URLConnection con = null;
         try {
-            con = (HttpURLConnection) url.openConnection();
-            con.setRequestMethod(HttpMethod.GET.name());
-            con.setRequestProperty(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE);
+            con = url.openConnection();
+
+            if (con instanceof HttpURLConnection httpURLConnection) {
+                httpURLConnection.setRequestMethod(HttpMethod.GET.name());
+                con.setRequestProperty(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE);
+
+                int status = httpURLConnection.getResponseCode();
+                if (status > 299) {
+                    throw new IllegalStateException(
+                        "Failed to retrieve Open API specification: " + url,
+                        new IOException(FileUtils.readToString(httpURLConnection.getErrorStream())));
+                }
+            }
 
-            int status = con.getResponseCode();
-            if (status > 299) {
-                throw new IllegalStateException("Failed to retrieve Open API specification: " + url,
-                    new IOException(FileUtils.readToString(con.getErrorStream())));
-            } else {
-                return resolve(FileUtils.readToString(con.getInputStream()), resolver);
+            try (InputStream inputStream = con.getInputStream()) {
+                return resolve(FileUtils.readToString(inputStream), resolver);
             }
+
         } catch (IOException e) {
             throw new IllegalStateException("Failed to retrieve Open API specification: " + url, e);
         } finally {
-            if (con != null) {
-                con.disconnect();
+            if (con instanceof HttpURLConnection httpURLConnection) {
+                httpURLConnection.disconnect();
             }
         }
     }