Separate pekko route from http server instrumentation (#15499)

Author: laurit

instrumentation/pekko/pekko-http-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/pekkohttp/v1_0/server/PekkoHttpServerSingletons.java

@@ -6,18 +6,14 @@
 package io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server;
 
 import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
-import io.opentelemetry.instrumentation.api.util.VirtualField;
 import io.opentelemetry.javaagent.bootstrap.internal.JavaagentHttpServerInstrumenters;
 import io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.PekkoHttpUtil;
 import org.apache.pekko.http.scaladsl.model.HttpRequest;
 import org.apache.pekko.http.scaladsl.model.HttpResponse;
-import org.apache.pekko.http.scaladsl.server.PathMatcher;
 
 public final class PekkoHttpServerSingletons {
 
   private static final Instrumenter<HttpRequest, HttpResponse> INSTRUMENTER;
-  public static final VirtualField<PathMatcher<?>, String> PREFIX =
-      VirtualField.find(PathMatcher.class, String.class);
 
   static {
     INSTRUMENTER =

instrumentation/pekko/pekko-http-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/pekkohttp/v1_0/server/route/PathMatcherInstrumentation.java

@@ -5,7 +5,7 @@
 
 package io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.route;
 
-import static io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.PekkoHttpServerSingletons.PREFIX;
+import static io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.route.PekkoRouteUtil.PREFIX;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.returns;
 import static net.bytebuddy.matcher.ElementMatchers.takesArgument;

instrumentation/pekko/pekko-http-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/pekkohttp/v1_0/server/route/PathMatcherStaticInstrumentation.java

@@ -6,7 +6,7 @@
 package io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.route;
 
 import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.extendsClass;
-import static io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.PekkoHttpServerSingletons.PREFIX;
+import static io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.route.PekkoRouteUtil.PREFIX;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
 

instrumentation/pekko/pekko-http-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/pekkohttp/v1_0/server/route/PekkoRouteUtil.java

@@ -0,0 +1,16 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.pekkohttp.v1_0.server.route;
+
+import io.opentelemetry.instrumentation.api.util.VirtualField;
+import org.apache.pekko.http.scaladsl.server.PathMatcher;
+
+public final class PekkoRouteUtil {
+  public static final VirtualField<PathMatcher<?>, String> PREFIX =
+      VirtualField.find(PathMatcher.class, String.class);
+
+  private PekkoRouteUtil() {}
+}