feat: Handling pluginNot found Issue

boot-strategy-plugin/src/main/java/com/example/plugin/strategyplugin/exception/PluginNotFoundException.java

@@ -0,0 +1,27 @@
+package com.example.plugin.strategyplugin.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ProblemDetail;
+import org.springframework.web.ErrorResponseException;
+
+import java.net.URI;
+import java.time.Instant;
+
+public class PluginNotFoundException extends ErrorResponseException {
+    public PluginNotFoundException(String message) {
+        super(
+                HttpStatus.BAD_REQUEST,
+                asProblemDetail(message),
+                null);
+    }
+
+    private static ProblemDetail asProblemDetail(String message) {
+        ProblemDetail problemDetail =
+                ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, message);
+        problemDetail.setTitle("Product Not Found");
+        problemDetail.setType(URI.create("https://api.service.com/errors/bad-request"));
+        problemDetail.setProperty("errorCategory", "Generic");
+        problemDetail.setProperty("timestamp", Instant.now());
+        return problemDetail;
+    }
+}

boot-strategy-plugin/src/main/java/com/example/plugin/strategyplugin/service/StrategyService.java

@@ -1,12 +1,15 @@
 package com.example.plugin.strategyplugin.service;
 
 import com.example.plugin.strategyplugin.domain.GenericDTO;
+import com.example.plugin.strategyplugin.exception.PluginNotFoundException;
 import com.example.plugin.strategyplugin.plugin.WriterPlugin;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.plugin.core.PluginRegistry;
 import org.springframework.stereotype.Service;
 
+import java.util.Optional;
+
 @Service
 public class StrategyService {
 
@@ -20,6 +23,9 @@ public StrategyService(PluginRegistry<WriterPlugin, String> plugins) {
 
     public GenericDTO fetchData(String type) {
         logger.info("fetching data for type :{}", type);
-        return plugins.getPluginFor(type).get().write("Hello ");
+        return plugins.getPluginFor(type)
+                .orElseThrow(() -> new PluginNotFoundException("Plugin not found for type: " + type))
+                .write("Hello ");
     }
+
 }