Support record event when finish and export and change log prefix

Author: JqRrt

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.1.4] - 2026-02-26
+### Changed
+- **Trace**: Support record event when finish and export
+- **Log**: Change log prefix
+
 ## [0.1.3] - 2026-02-24
 ### Added
 - **Trace**: Support use custom trace path

cozeloop-core/pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>com.coze</groupId>
         <artifactId>cozeloop-java</artifactId>
-        <version>0.1.3</version>
+        <version>0.1.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
@@ -74,6 +74,11 @@
             <artifactId>opentelemetry-exporter-otlp</artifactId>
             <version>1.47.0</version>
         </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-exporter-otlp-common</artifactId>
+            <version>1.47.0</version>
+        </dependency>
 
         <!-- HTTP Client -->
         <dependency>

cozeloop-core/src/main/java/com/coze/loop/auth/JWTOAuthAuth.java

@@ -11,11 +11,11 @@
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import com.coze.loop.exception.AuthException;
 import com.coze.loop.exception.ErrorCode;
 import com.coze.loop.http.HttpClient;
+import com.coze.loop.internal.CozeLoopLogger;
 import com.coze.loop.internal.JsonUtils;
 import com.coze.loop.internal.ValidationUtils;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -28,7 +28,7 @@
  * automatically refreshes tokens.
  */
 public class JWTOAuthAuth implements Auth {
-  private static final Logger logger = LoggerFactory.getLogger(JWTOAuthAuth.class);
+  private static final Logger logger = CozeLoopLogger.getLogger(JWTOAuthAuth.class);
   private static final String AUTH_TYPE = "Bearer";
   private static final String GRANT_TYPE_JWT = "urn:ietf:params:oauth:grant-type:jwt-bearer";
   private static final String TOKEN_PATH = "/api/permission/oauth2/token";

cozeloop-core/src/main/java/com/coze/loop/client/CozeLoopClientBuilder.java

@@ -11,6 +11,7 @@
 import com.coze.loop.internal.ValidationUtils;
 import com.coze.loop.prompt.PromptProvider;
 import com.coze.loop.trace.CozeLoopTracerProvider;
+import com.coze.loop.trace.FinishEventProcessor;
 
 /** Builder for creating CozeLoopClient instances. */
 public class CozeLoopClientBuilder {
@@ -176,6 +177,17 @@ public CozeLoopClientBuilder auth(Auth auth) {
     return this;
   }
 
+  /**
+   * Set finish event processor for span finish events.
+   *
+   * @param processor the finish event processor
+   * @return this builder
+   */
+  public CozeLoopClientBuilder finishEventProcessor(FinishEventProcessor processor) {
+    config.getTraceConfig().setFinishEventProcessor(processor);
+    return this;
+  }
+
   /**
    * Build the CozeLoopClient instance.
    *

cozeloop-core/src/main/java/com/coze/loop/client/CozeLoopClientImpl.java

@@ -5,7 +5,6 @@
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import com.coze.loop.entity.ExecuteParam;
 import com.coze.loop.entity.ExecuteResult;
@@ -15,6 +14,7 @@
 import com.coze.loop.exception.ErrorCode;
 import com.coze.loop.http.HttpClient;
 import com.coze.loop.internal.Constants;
+import com.coze.loop.internal.CozeLoopLogger;
 import com.coze.loop.prompt.GetPromptParam;
 import com.coze.loop.prompt.PromptProvider;
 import com.coze.loop.spec.tracespec.SpanKeys;
@@ -34,7 +34,7 @@
 
 /** Implementation of CozeLoopClient. */
 public class CozeLoopClientImpl implements CozeLoopClient {
-  private static final Logger logger = LoggerFactory.getLogger(CozeLoopClientImpl.class);
+  private static final Logger logger = CozeLoopLogger.getLogger(CozeLoopClientImpl.class);
   private static final String INSTRUMENTATION_NAME = "cozeloop-java-sdk";
   private static final String INSTRUMENTATION_VERSION = Constants.Version;
 
@@ -137,7 +137,12 @@ public CozeLoopSpan startSpan(
     Scope scope = finalContext.makeCurrent();
 
     return new CozeLoopSpan(
-        span, scope, tracerProvider.getPropagators(), new CozeLoopContext(finalContext), scene);
+        span,
+        scope,
+        tracerProvider.getPropagators(),
+        new CozeLoopContext(finalContext),
+        scene,
+        tracerProvider.getFinishEventProcessor());
   }
 
   @Override

cozeloop-core/src/main/java/com/coze/loop/http/HttpClient.java

@@ -4,19 +4,19 @@
 import java.util.concurrent.TimeUnit;
 
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import com.coze.loop.auth.Auth;
 import com.coze.loop.exception.CozeLoopException;
 import com.coze.loop.exception.ErrorCode;
+import com.coze.loop.internal.CozeLoopLogger;
 import com.coze.loop.internal.JsonUtils;
 
 import io.opentelemetry.context.propagation.ContextPropagators;
 import okhttp3.*;
 
 /** HTTP client based on OkHttp. */
 public class HttpClient {
-  private static final Logger logger = LoggerFactory.getLogger(HttpClient.class);
+  private static final Logger logger = CozeLoopLogger.getLogger(HttpClient.class);
   private static final MediaType JSON_MEDIA_TYPE =
       MediaType.parse("application/json; charset=utf-8");
 

cozeloop-core/src/main/java/com/coze/loop/http/LoggingInterceptor.java

@@ -3,7 +3,8 @@
 import java.io.IOException;
 
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+
+import com.coze.loop.internal.CozeLoopLogger;
 
 import okhttp3.Interceptor;
 import okhttp3.Request;
@@ -12,7 +13,7 @@
 
 /** Interceptor to log HTTP requests and responses. */
 public class LoggingInterceptor implements Interceptor {
-  private static final Logger logger = LoggerFactory.getLogger(LoggingInterceptor.class);
+  private static final Logger logger = CozeLoopLogger.getLogger(LoggingInterceptor.class);
 
   @Override
   public Response intercept(Chain chain) throws IOException {

cozeloop-core/src/main/java/com/coze/loop/http/RetryInterceptor.java

@@ -4,15 +4,16 @@
 import java.util.concurrent.TimeUnit;
 
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+
+import com.coze.loop.internal.CozeLoopLogger;
 
 import okhttp3.Interceptor;
 import okhttp3.Request;
 import okhttp3.Response;
 
 /** Interceptor to retry failed requests with exponential backoff. */
 public class RetryInterceptor implements Interceptor {
-  private static final Logger logger = LoggerFactory.getLogger(RetryInterceptor.class);
+  private static final Logger logger = CozeLoopLogger.getLogger(RetryInterceptor.class);
   private static final int INITIAL_BACKOFF_MS = 100;
   private static final int MAX_BACKOFF_MS = 10000;
 

cozeloop-core/src/main/java/com/coze/loop/internal/Constants.java

@@ -1,7 +1,7 @@
 package com.coze.loop.internal;
 
 public class Constants {
-  public static final String Version = "0.1.3";
+  public static final String Version = "0.1.4";
   public static final String TraceContextHeaderParent = "X-Cozeloop-Traceparent";
   public static final String TraceContextHeaderBaggage = "X-Cozeloop-Tracestate";
 }