Summary

HttpExchange to implement AutoCloseable so that it can be used with try-with-resources statements.

Problem

HttpExchange has a close() method but does not implement AutoCloseable for try-with-resources.

Solution

Retrofit HttpExchange to implement AutoCloseable.

Specification

--- a/src/jdk.httpserver/share/classes/com/sun/net/httpserver/HttpExchange.java Wed Aug 07 10:29:07 2019 +0200
+++ b/src/jdk.httpserver/share/classes/com/sun/net/httpserver/HttpExchange.java Wed Aug 07 16:01:49 2019 +0100
@@ -64,7 +64,7 @@
  * @since 1.6
  */

-public abstract class HttpExchange {
+public abstract class HttpExchange implements AutoCloseable {

     protected HttpExchange () {
     }