New class added for the support of multiple browser windows.

java/com.sap.sailing.selenium.test/src/com/sap/sailing/selenium/core/WebDriverWindow.java

@@ -0,0 +1,119 @@
+package com.sap.sailing.selenium.core;
+
+import java.util.Set;
+
+import org.openqa.selenium.By;
+import org.openqa.selenium.JavascriptExecutor;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebDriver.TargetLocator;
+import org.openqa.selenium.WebDriverException;
+
+public class WebDriverWindow {
+
+    private static int instanceCount = 0;
+    
+    private static final String JAVA_SCRIPT = "var anchorTag = document.createElement('a');" +
+                                              "anchorTag.setAttribute('id', '%s');" +
+                                              "anchorTag.setAttribute('href', '%s');" +
+                                              "anchorTag.setAttribute('target', '_blank');" +
+                                              "anchorTag.setAttribute('style', 'display:block;');" +
+                                              "anchorTag.appendChild(document.createTextNode('nwh'));" +
+                                              "document.getElementsByTagName('body')[0].appendChild(anchorTag);";
+    
+    private static String createUniqueName() {
+        return "WebDriverWindow_" + instanceCount++;
+    }
+    
+    private WebDriver driver;
+    
+    private String name;
+    
+    private String handle;
+    
+    private String parent;
+
+    /**
+     * Creates a new window for given web driver
+     * 
+     * @param driver
+     *   WebDriver instance
+     * @param url
+     *   Initial URL to load
+     */
+    public WebDriverWindow(WebDriver driver, String url) {
+        this.driver = driver;
+        this.name = createUniqueName();
+        
+        createWindow(url);
+        // Switch to that window and load the url to wait
+        switchToWindow();//.get(url);
+    }
+
+    public String getWindowHandle() {
+        return this.handle;
+    }
+
+    public String getParentHandle() {
+        return this.parent;
+    }
+
+    public void close() {
+        switchToWindow().close();
+        this.handle = "";
+        // Switch back to the parent window
+        this.driver.switchTo().window(this.parent);
+    }
+
+    public WebDriver switchToWindow() {
+        checkForClosed();
+        
+        return switchTo(this.handle);
+    }
+
+    public WebDriver switchToParent() {
+        checkForClosed();
+        
+        return switchTo(this.parent);
+    }
+
+    private void createWindow(String url) {
+        // Record old handles
+        Set<String> oldHandles = this.driver.getWindowHandles();
+        this.parent = this.driver.getWindowHandle();
+
+        // Inject an anchor element
+        injectAnchorTag(this.name, url);
+
+        // Click on the anchor element
+        this.driver.findElement(By.id(this.name)).click();
+
+        this.handle = getNewHandle(oldHandles);
+    }
+
+    private String getNewHandle(Set<String> oldHandles) {
+        Set<String> newHandles = this.driver.getWindowHandles();
+        newHandles.removeAll(oldHandles);
+
+        // Find the new window
+        for(String handle : newHandles)
+            return handle;
+
+        return null;
+    }
+
+    private void checkForClosed() {
+        if(this.handle == null || this.handle.equals(""))
+            throw new WebDriverException("Web Window closed or not initialized");
+    }
+
+    private void injectAnchorTag(String id, String url) {
+        JavascriptExecutor executor = (JavascriptExecutor) this.driver;
+        executor.executeScript(String.format(JAVA_SCRIPT, id, url));
+    }
+    
+    private WebDriver switchTo(String handle) {
+        TargetLocator locator = this.driver.switchTo();
+        
+        return locator.window(handle);
+    }
+}