fix(bigquery-jdbc): Add PerConnectionHandler to list of excempted logging classes (#13888)

Author: Neenu1995

java-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcCustomLogger.java

@@ -116,6 +116,7 @@ private static boolean isLoggerClass(String className) {
       return className.equals("com.google.cloud.bigquery.jdbc.BigQueryJdbcCustomLogger")
           || className.equals("com.google.cloud.bigquery.jdbc.BigQueryJdbcResultSetLogger")
           || className.startsWith("com.google.cloud.bigquery.jdbc.BigQueryJdbcRootLogger")
+          || className.equals("com.google.cloud.bigquery.jdbc.PerConnectionFileHandler")
           || className.equals(BigQueryJdbcLogRecord.class.getName());
     }
   }

java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcCustomLoggerTest.java

@@ -27,6 +27,7 @@
 import com.google.cloud.bigquery.FieldValue.Attribute;
 import com.google.cloud.bigquery.FieldValueList;
 import com.google.cloud.bigquery.LegacySQLTypeName;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -41,6 +42,7 @@
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
 
 public class BigQueryJdbcCustomLoggerTest extends BigQueryJdbcLoggingBaseTest {
 
@@ -118,6 +120,28 @@ public void testLazyCallerInference() {
     assertEquals("testLazyCallerInference", methodName);
   }
 
+  @Test
+  public void testCallerInferenceWithPerConnectionFileHandler(@TempDir Path tempDir) {
+    PerConnectionFileHandler perConnHandler =
+        new PerConnectionFileHandler(tempDir.toString(), Level.ALL);
+    try {
+      logger.fine("Message through PerConnectionFileHandler");
+
+      List<LogRecord> records = testHandler.getRecords();
+      assertEquals(1, records.size());
+      LogRecord record = records.get(0);
+
+      // Publish record via PerConnectionFileHandler to put PerConnectionFileHandler on stack trace
+      perConnHandler.publish(record);
+
+      // Verify that caller inference skips PerConnectionFileHandler frame
+      assertEquals(BigQueryJdbcCustomLoggerTest.class.getName(), record.getSourceClassName());
+      assertEquals("testCallerInferenceWithPerConnectionFileHandler", record.getSourceMethodName());
+    } finally {
+      perConnHandler.close();
+    }
+  }
+
   @Test
   public void testHotPathLoggerLogToDefaultWhenContextIsNull() {
     BigQueryJdbcCustomLogger hotpathLogger =