Avoid restoring of flash and session multiple times per request (play…

…framework#1181)

* Serve static content without restoring of flash and sessions for performance

This is a better fix for stale sessions made in LH issue #1872.

* Catch specific exceptions instead of instanceof

* Split resolving of action method and initialization of action invocation context

This ensures that flash and session are resolved only once per request invocation.

* ActionInvoker.resolve no longer needs response - this is how it was some time ago

Co-authored-by: Anton Keks <[email protected]>
Co-authored-by: Alexandre Chatiron <[email protected]>

framework/src/play/server/PlayHandler.java

@@ -44,12 +44,15 @@
 import java.nio.charset.Charset;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+
+import java.text.ParseException;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+
 import static org.jboss.netty.buffer.ChannelBuffers.wrappedBuffer;
 import static org.jboss.netty.handler.codec.http.HttpHeaders.Names.*;