Allow usage of GET with body in java11 Module (#1819)

java11/src/main/java/feign/http2client/Http2Client.java

@@ -190,20 +190,7 @@ public class Http2Client implements Client, AsyncClient<Object> {
       requestBuilder.headers(asString(headers));
     }
 
-    switch (request.httpMethod()) {
-      case GET:
-        return requestBuilder.GET();
-      case POST:
-        return requestBuilder.POST(body);
-      case PUT:
-        return requestBuilder.PUT(body);
-      case DELETE:
-        return requestBuilder.DELETE();
-      default:
-        // fall back scenario, http implementations may restrict some methods
-        return requestBuilder.method(request.httpMethod().toString(), body);
-    }
-
+    return requestBuilder.method(request.httpMethod().toString(), body);
   }
 
   /**

java11/src/test/java/feign/http2client/test/Http2ClientTest.java

@@ -44,6 +44,14 @@ public class Http2ClientTest extends AbstractClientTest {
     @RequestLine("POST /timeout")
     @Headers({"Accept: text/plain"})
     String timeout();
+
+    @RequestLine("GET /anything")
+    @Body("some request body")
+    String getWithBody();
+
+    @RequestLine("DELETE /anything")
+    @Body("some request body")
+    String deleteWithBody();
   }
 
   @Override
@@ -115,6 +123,24 @@ public class Http2ClientTest extends AbstractClientTest {
     api.timeout();
   }
 
+  @Test
+  public void testGetWithRequestBody() {
+    final TestInterface api =
+        newBuilder().target(TestInterface.class, "https://nghttp2.org/httpbin/");
+    String result = api.getWithBody();
+    Assertions.assertThat(result)
+        .contains("\"data\": \"some request body\"");
+  }
+
+  @Test
+  public void testDeleteWithRequestBody() {
+    final TestInterface api =
+        newBuilder().target(TestInterface.class, "https://nghttp2.org/httpbin/");
+    String result = api.deleteWithBody();
+    Assertions.assertThat(result)
+        .contains("\"data\": \"some request body\"");
+  }
+
   @Override
   public Feign.Builder newBuilder() {
     return Feign.builder().client(new Http2Client());