Extracted the codes about installing 2.0

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/tasks/TaskObservable.java

@@ -0,0 +1,44 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hellominecraft.tasks;
+
+import rx.Observable;
+
+/**
+ *
+ * @author huangyuhui
+ */
+public class TaskObservable<T> extends TaskInfo {
+
+    private final Observable<T> r;
+
+    public TaskObservable(String info, Observable<T> r) {
+        super(info);
+        this.r = r;
+    }
+
+    public TaskObservable(Observable<T> r) {
+        this("TaskObservable", r);
+    }
+
+    @Override
+    public void executeTask() {
+        r.subscribe(t->{});
+    }
+
+}