convert object to map

Author: alexcheng1982

core/src/main/java/com/javaaidev/agenticpatterns/core/AgentUtils.java

@@ -1,6 +1,7 @@
 package com.javaaidev.agenticpatterns.core;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import java.io.IOException;
@@ -41,11 +42,27 @@ public static <T, R> R safeGet(@Nullable T obj, Function<T, R> extractor, R defa
     return Optional.ofNullable(obj).map(extractor).orElse(defaultValue);
   }
 
-  public static String toJson(Object input) {
+  public static String toJson(@Nullable Object input) {
+    if (input == null) {
+      return "{}";
+    }
     try {
       return objectMapper.writeValueAsString(input);
     } catch (JsonProcessingException e) {
       return "{}";
     }
   }
+
+  public static Map<String, Object> objectToMap(@Nullable Object object) {
+    if (object == null) {
+      return new HashMap<>();
+    }
+    var json = toJson(object);
+    try {
+      return objectMapper.readValue(json, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      return new HashMap<>();
+    }
+  }
 }

examples/src/main/java/com/javaaidev/agenticpatterns/examples/evaluatoroptimizer/CodeGenerationAgent.java

@@ -30,8 +30,7 @@ protected String getInitialResultPromptTemplate() {
   @Override
   protected @Nullable Map<String, Object> buildInitialResultPromptContext(
       @Nullable CodeGenerationRequest request) {
-    return Map.of("input",
-        AgentUtils.safeGet(request, CodeGenerationRequest::input, ""));
+    return AgentUtils.objectToMap(request);
   }
 
   @Override
@@ -43,8 +42,7 @@ protected String getEvaluationPromptTemplate() {
   @Override
   protected @Nullable Map<String, Object> buildEvaluationPromptContext(
       @Nullable CodeGenerationResponse codeGenerationResponse) {
-    return Map.of("code",
-        AgentUtils.safeGet(codeGenerationResponse, CodeGenerationResponse::code, ""));
+    return AgentUtils.objectToMap(codeGenerationResponse);
   }
 
   @Override

examples/src/main/java/com/javaaidev/agenticpatterns/examples/taskexecution/UserGenerationAgent.java

@@ -5,7 +5,6 @@
 import com.javaaidev.agenticpatterns.taskexecution.TaskExecutionAgent;
 import io.micrometer.observation.ObservationRegistry;
 import java.util.List;
-import java.util.Map;
 import java.util.function.Function;
 import org.jspecify.annotations.Nullable;
 import org.springframework.ai.chat.client.ChatClient;
@@ -24,16 +23,6 @@ protected String getPromptTemplate() {
     return AgentUtils.loadPromptTemplateFromClasspath("prompt_template/generate-user.st");
   }
 
-  @Override
-  protected Map<String, Object> getPromptContext(
-      @Nullable UserGenerationRequest userGenerationRequest) {
-    var count = AgentUtils.safeGet(userGenerationRequest, UserGenerationRequest::count,
-        1);
-    return Map.of(
-        "count", Math.max(1, count)
-    );
-  }
-
   public record UserGenerationRequest(int count) {
 
   }

task-execution/src/main/java/com/javaaidev/agenticpatterns/taskexecution/TaskExecutionAgent.java

@@ -2,6 +2,7 @@
 
 import com.javaaidev.agenticpatterns.core.Agent;
 import com.javaaidev.agenticpatterns.core.AgentExecutionException;
+import com.javaaidev.agenticpatterns.core.AgentUtils;
 import com.javaaidev.agenticpatterns.core.TypeResolver;
 import com.javaaidev.agenticpatterns.core.observation.AgentExecutionObservationContext;
 import com.javaaidev.agenticpatterns.core.observation.AgentExecutionObservationDocumentation;
@@ -66,7 +67,7 @@ protected TaskExecutionAgent(ChatClient chatClient, @Nullable Type responseType,
    */
   @Nullable
   protected Map<String, Object> getPromptContext(@Nullable Request request) {
-    return new HashMap<>();
+    return AgentUtils.objectToMap(request);
   }
 
   /**