Refactor Page-object pattern (#812)

* Refactor : create 2 sub-modules for page-object pattern

* Replace e.printStrackTrace with logger

page-object/test-automation/src/main/java/com/iluwatar/pageobject/Page.java

@@ -0,0 +1,57 @@
+/**
+ * The MIT License
+ * Copyright (c) 2014-2016 Ilkka Seppälä
+ * <p>
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * <p>
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * <p>
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.iluwatar.pageobject;
+
+import com.gargoylesoftware.htmlunit.WebClient;
+
+/**
+ * Encapsulation for a generic 'Page'
+ */
+public abstract class Page {
+
+  /**
+   * Application Under Test path
+   * This directory location is where html web pages are located
+   */
+  public static final String AUT_PATH = "../sample-application/src/main/resources/sample-ui/";
+
+  protected final WebClient webClient;
+
+  /**
+   * Constructor
+   *
+   * @param webClient {@link WebClient}
+   */
+  public Page(WebClient webClient) {
+    this.webClient = webClient;
+  }
+
+  /**
+   * Checks that the current page is actually the page this page object represents
+   *
+   * @return true if so, otherwise false
+   */
+  public abstract boolean isAt();
+
+
+}