OfflineEventReplicator in Spring Boot (#1041)

* OfflineEventReplicator in Spring Boot
The mechanism of interpreting the .services of the external REST services was not working for the spring boot case.
In particular this causes the OfflineEventReplicator service to not work
Issue: 206569

* OfflineEventReplicator in Spring Boot
The mechanism of interpreting the .services of the external REST services was not working for the spring boot case.
In particular this causes the OfflineEventReplicator service to not work
Issue: 206569

* OfflineEventReplicator in Spring Boot
The mechanism of interpreting the .services of the external REST services was not working for the spring boot case.
In particular this causes the OfflineEventReplicator service to not work
Issue: 206569

Author: iroqueta

gxspringboot/src/main/java/com/genexus/springboot/GXConfig.java

@@ -6,11 +6,17 @@
 import com.genexus.diagnostics.core.LogManager;
 import com.genexus.servlet.CorsFilter;
 import com.genexus.xml.GXXMLSerializable;
+
 import jakarta.annotation.PreDestroy;
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.servlet.ServletContainer;
+import org.glassfish.jersey.servlet.ServletProperties;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.servlet.ServletContextInitializer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.Ordered;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.util.AntPathMatcher;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@@ -19,6 +25,10 @@
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.tuckey.web.filters.urlrewrite.UrlRewriteFilter;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
 @Configuration
 @EnableWebMvc
 public class GXConfig implements WebMvcConfigurer {
@@ -82,6 +92,32 @@ public FilterRegistrationBean<UrlRewriteFilter> urlRewriteFilter() {
 		return registrationBean;
 	}
 
+	@Bean
+	public ServletContextInitializer jerseyFilter() {
+		Set<Class<?>> rrcs = JaxrsResourcesHolder.getAll();
+
+		if (rrcs.isEmpty()) {
+			return sc -> {};
+		}
+
+		ResourceConfig rc = new ResourceConfig();
+		rc.registerClasses(rrcs.toArray(new Class<?>[0]));
+		rc.property(ServletProperties.FILTER_FORWARD_ON_404, true);
+
+		ServletContainer container = new ServletContainer(rc);
+
+		FilterRegistrationBean<ServletContainer> reg = new FilterRegistrationBean<>(container);
+		reg.addUrlPatterns("/rest/*");
+		reg.setName("jersey-filter");
+		reg.setOrder(Ordered.HIGHEST_PRECEDENCE + 1);
+
+		Map<String, String> initParams = new HashMap<>();
+		initParams.put(ServletProperties.FILTER_CONTEXT_PATH, "/rest");
+		reg.setInitParameters(initParams);
+
+		return reg;
+	}
+
 	@PreDestroy
 	public void onDestroy() {
 		GXXMLSerializable.classesCacheMethods.clear();

gxspringboot/src/main/java/com/genexus/springboot/GXImportSelector.java

@@ -7,6 +7,8 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
 
 import org.springframework.context.annotation.ImportSelector;
 import org.springframework.core.io.ClassPathResource;
@@ -20,26 +22,28 @@ public class GXImportSelector implements ImportSelector {
 	@Override
 	public String[] selectImports(AnnotationMetadata importingClassMetadata) {
 		ArrayList<String> restImports = new ArrayList<>();
+		Set<Class<?>> rrcs = new HashSet<Class<?>>();
 		try {
 			Resource[] resources = new PathMatchingResourcePatternResolver().getResources("classpath*:*.services");
 			for (Resource resource : resources) {
-				selectImport(restImports, resource.getFilename());
+				selectImport(rrcs, restImports, resource.getFilename());
 			}
 		}
 		catch (IOException e){
 			logger.error("Error loading External Services classes ", e);
 		}
 
+		JaxrsResourcesHolder.setAll(rrcs);
 		addWebSocketsImport(restImports);
 
 		return restImports.toArray(new String[0]);
 	}
 
-	private void selectImport(ArrayList<String> restImports, String servicesClassesFileName) {
+	private void selectImport(Set<Class<?>> rrcs, ArrayList<String> restImports, String servicesClassesFileName) {
 		try {
 			InputStream is = new ClassPathResource(servicesClassesFileName).getInputStream();
 			if (is != null) {
-				WebUtils.AddExternalServicesFile(null, restImports, is);
+				WebUtils.AddExternalServicesFile(rrcs, restImports, is);
 
 				is.close();
 			}

gxspringboot/src/main/java/com/genexus/springboot/JaxrsResourcesHolder.java

@@ -0,0 +1,19 @@
+package com.genexus.springboot;
+
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+public final class JaxrsResourcesHolder {
+	private static final Set<Class<?>> RESOURCES = new LinkedHashSet<>();
+	private JaxrsResourcesHolder() {}
+
+	public static void setAll(Set<Class<?>> rrcs) {
+		RESOURCES.clear();
+		if (rrcs != null) RESOURCES.addAll(rrcs);
+	}
+
+	public static Set<Class<?>> getAll() {
+		return new LinkedHashSet<>(RESOURCES);
+	}
+}
+

java/src/main/java/com/genexus/webpanels/WebUtils.java

@@ -523,7 +523,7 @@ public static void AddExternalServicesFile(Set<Class<?>> rrcs, ArrayList<String>
 				if (serviceClass != null)
 					if (rrcs != null)
 						rrcs.add(serviceClass);
-					else
+					if (restImports != null)
 						restImports.add(serviceClass.getName());
 			}
 			reader.close();