[1.9.x] introduce Grizzly property to avoid HTTP response decompression (if a server used compression)

Author: oleksiys

src/main/java/com/ning/http/client/providers/grizzly/GrizzlyAsyncHttpProvider.java

@@ -80,15 +80,15 @@
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.TimeUnit;
-import org.glassfish.grizzly.http.HttpContext;
+import java.util.concurrent.TimeoutException;
 
-import static com.ning.http.client.providers.grizzly.GrizzlyAsyncHttpProviderConfig.Property.MAX_HTTP_PACKET_HEADER_SIZE;
-import static com.ning.http.client.providers.grizzly.GrizzlyAsyncHttpProviderConfig.Property.TRANSPORT_CUSTOMIZER;
+import org.glassfish.grizzly.filterchain.FilterChainEvent;
+import org.glassfish.grizzly.http.HttpContext;
 import com.ning.http.client.providers.grizzly.events.ContinueEvent;
+
+import static com.ning.http.client.providers.grizzly.GrizzlyAsyncHttpProviderConfig.Property.*;
 import static com.ning.http.util.AsyncHttpProviderUtils.getNonEmptyPath;
 import static com.ning.http.util.MiscUtils.isNonEmpty;
-import java.util.concurrent.TimeoutException;
-import org.glassfish.grizzly.filterchain.FilterChainEvent;
 
 /**
  * A Grizzly 2.0-based implementation of {@link AsyncHttpProvider}.
@@ -337,10 +337,12 @@ public void onTimeout(Connection connection) {
             }
         }
 
-        eventFilter.addContentEncoding(
-                new GZipContentEncoding(512,
-                                        512,
-                                        new ClientEncodingFilter()));
+        if ((Boolean) providerConfig.getProperty(DECOMPRESS_RESPONSE)) {
+            eventFilter.addContentEncoding(
+                    new GZipContentEncoding(512,
+                            512,
+                            new ClientEncodingFilter()));
+        }
 
         fcb.add(eventFilter);
         fcb.add(clientFilter);

src/main/java/com/ning/http/client/providers/grizzly/GrizzlyAsyncHttpProviderConfig.java

@@ -69,8 +69,15 @@ public static enum Property {
          * invoked with the complete message.  If this functionality is not desired, set
          * this property to false.
          */
-        BUFFER_WEBSOCKET_FRAGMENTS(Boolean.class, true)
+        BUFFER_WEBSOCKET_FRAGMENTS(Boolean.class, true),
 
+        /**
+         * <tt>true</tt> (default), if an HTTP response has to be decompressed
+         * (if compressed by a server), or <tt>false</tt> if decompression
+         * has to be delegated to a user.
+         */
+        DECOMPRESS_RESPONSE(Boolean.class, true)
+        
         ;