Refactored saml code

src/main/java/net/gepafin/tendermanagement/config/SamlFailureHandler.java

@@ -0,0 +1,45 @@
+package net.gepafin.tendermanagement.config;
+
+import java.io.IOException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.authentication.AuthenticationFailureHandler;
+import org.springframework.stereotype.Component;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import net.gepafin.tendermanagement.entities.SamlResponseLogEntity;
+import net.gepafin.tendermanagement.repositories.SamlResponseLogRepository;
+
+@Component
+public class SamlFailureHandler implements AuthenticationFailureHandler {
+	
+    private final Logger logger = LoggerFactory.getLogger(SamlSuccessHandler.class);
+    
+    @Autowired
+    private SamlResponseLogRepository samlResponseLogRepository;
+	
+	@Override
+    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
+                                        AuthenticationException exception) throws IOException {
+        try {
+            logger.error("SAML login failed: " + exception.getMessage());
+
+            // Log the failure details to the database (Optional)
+            SamlResponseLogEntity samlResponseLogEntity = new SamlResponseLogEntity();
+            samlResponseLogEntity.setRequest(request.toString());
+            samlResponseLogEntity.setResponse(response.toString());
+            samlResponseLogEntity.setExceptionObject(exception.toString());
+            samlResponseLogRepository.save(samlResponseLogEntity);
+
+            // Handle failure redirection
+            response.sendRedirect("http://gepafin-staging-fe.s3-website.eu-central-1.amazonaws.com/login");
+        } catch (Exception e) {
+            logger.error("Error processing SAML failure handler", e);
+        }
+    }
+	
+}