oauth2 v2 update

src/main/java/love/sola/netsupport/session/WechatSession.java

@@ -0,0 +1,32 @@
+package love.sola.netsupport.session;
+
+
+import java.util.Collection;
+
+/**
+ * ***********************************************
+ * Created by Sola on 2015/12/14.
+ * Don't modify this source without my agreement
+ * ***********************************************
+ */
+public class WechatSession {
+
+	private static MapSessionRepository repository;
+
+	static {
+		repository = new MapSessionRepository();
+	}
+
+	public static WxSession get(String id) {
+		return repository.getSession(id);
+	}
+
+	public static WxSession create() {
+		return repository.createSession();
+	}
+
+	public static Collection<? extends WxSession> list() {
+		return repository.asMap().values();
+	}
+
+}