fixed serialisation issues for the LinkedIn

code/app/com/feth/play/module/pa/providers/oauth1/OAuth1AuthProvider.java

@@ -31,7 +31,7 @@ public abstract class OAuth1AuthProvider<U extends AuthUserIdentity, I extends O
 
  private static final String CACHE_TOKEN = "pa.oauth1.rtoken";
 
- public OAuth1AuthProvider(final Application app) {
+ public OAuth1AuthProvider(final Application app) {
  super(app);
  }
 
@@ -66,17 +66,62 @@ public static abstract class Constants {
  public static final String OAUTH_ACCESS_DENIED = "access_denied";
  }
 
- public static class SerializableRequestToken extends RequestToken implements Serializable {
- private static final long serialVersionUID = 1L;
+ public static class DefaultNonSerializableRequestToken extends RequestToken {
 
- public SerializableRequestToken() {
- super(null, null);
- }
+ public DefaultNonSerializableRequestToken() {
+ super(null, null);
+ }
+
+ public DefaultNonSerializableRequestToken(String token, String secret) {
+ super(token, secret);
+ }
+
+ }
+
+ public static class SerializableRequestToken extends DefaultNonSerializableRequestToken implements Serializable {
+
+ private static final long serialVersionUID = 7258408812687395069L;
+
+ public String token;
+
+ public String secret;
+
+ public SerializableRequestToken() {
+ super();
+ }
+
+ public SerializableRequestToken(String token, String secret) {
+ super(token, secret);
+ this.token = token;
+ this.secret = secret;
+ }
 
  public SerializableRequestToken(RequestToken source) {
- super(source.token, source.secret);
+ this(source.token, source.secret);
  }
- }
+
+ public RequestToken getRequestToken() {
+ return new RequestToken(token, secret);
+ }
+
+ public String getToken() {
+ return token;
+ }
+
+ public void setToken(String token) {
+ super.token = token;
+ this.token = token;
+ }
+
+ public String getSecret() {
+ return secret;
+ }
+
+ public void setSecret(String secret) {
+ super.secret = secret;
+ this.secret = secret;
+ }
+ }
 
  protected void checkError(Request request) throws AuthException{
  final String error = request.getQueryString(Constants.OAUTH_PROBLEM);
@@ -119,12 +164,17 @@ public Object authenticate(final Context context, final Object payload)
 
  if (uri.contains(Constants.OAUTH_VERIFIER)) {
 
- final RequestToken rtoken = (RequestToken) PlayAuthenticate
- .removeFromCache(context.session(), CACHE_TOKEN);
+ if (Logger.isDebugEnabled()) {
+ Logger.debug("Retrieving token from the cache....");
+ }
+
+ final SerializableRequestToken rtoken = PlayAuthenticate
+ .removeFromCache(context.session(), CACHE_TOKEN);
+
  final String verifier = request.getQueryString(Constants.OAUTH_VERIFIER);
  try {
  final RequestToken response = service
- .retrieveAccessToken(rtoken, verifier);
+ .retrieveAccessToken(rtoken.getRequestToken(), verifier);
  final I i = buildInfo(response);
  return transform(i);
  } catch (RuntimeException ex) {