Update instrumentation/servlet/servlet-3.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/servlet/v3_0/snippet/InjectionState.java

siyuniu-ms · trask · web-flow · commit 0aa85b0250e1 · 2023-02-27T12:33:01.000-08:00
Co-authored-by: Trask Stalnaker &lt;trask.stalnaker@gmail.com&gt;
diff --git a/instrumentation/servlet/servlet-3.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/servlet/v3_0/snippet/InjectionState.java b/instrumentation/servlet/servlet-3.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/servlet/v3_0/snippet/InjectionState.java
@@ -5,6 +5,7 @@
 
 package io.opentelemetry.javaagent.instrumentation.servlet.v3_0.snippet;
 
+// this is shared by both ServletOutputStream and PrintWriter injection
 public class InjectionState {
   private static final int HEAD_TAG_WRITTEN_FAKE_VALUE = -1;
   private static final int HEAD_TAG_LENGTH = "<head>".length();
