Introduce Response.isClosed() method with default impl.

Signed-off-by: Nicolas NESMON (NicoNes) <[email protected]>
jakartaee · Aug 24, 2021 · 4ecc44c · 4ecc44c
1 parent 82ed589
commit 4ecc44c
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/jaxrs-api/src/main/java/jakarta/ws/rs/core/Response.java b/jaxrs-api/src/main/java/jakarta/ws/rs/core/Response.java
@@ -463,6 +463,22 @@ public MultivaluedMap<String, Object> getHeaders() {
      */
     public abstract String getHeaderString(String name);
 
+    /**
+     * Check if the response is closed. The method returns {@code true} if the response is closed,
+     * returns {@code false} otherwise.
+     *
+     * @return {@code true} if the response has been {@link #close() closed}, {@code false} otherwise.
+     * @since 3.1
+     */
+    public boolean isClosed() {
+        try {
+            hasEntity();
+            return false;
+        } catch (IllegalStateException ignored) {
+            return true;
+        }
+    }
+
     /**
      * Create a new ResponseBuilder by performing a shallow copy of an existing Response.
      * <p>