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/**
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* Copyright (C) 2011 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.dataportal.elements;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.apache.commons.lang.StringUtils;
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import org.apache.log4j.Level;
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import org.apache.log4j.Logger;
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import org.openqa.selenium.By;
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import org.openqa.selenium.NoSuchElementException;
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import org.openqa.selenium.WebDriver;
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import org.openqa.selenium.WebDriverException;
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import org.openqa.selenium.WebElement;
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import org.openqa.selenium.support.ui.ExpectedCondition;
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import org.openqa.selenium.support.ui.WebDriverWait;
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/**
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* @author Andreas Kohlbecker
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* @since Jul 1, 2011
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*
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*/
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public class BaseElement {
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public static final Logger logger = Logger.getLogger(BaseElement.class);
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/**
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* Default tolerance for testing sizes and positions
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*/
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protected static final double PIXEL_TOLERANCE = 0.5;
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private final WebElement element;
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private List<String> classAttributes = null;
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private List<LinkElement> linksInElement = null;
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List<String> linkTargets = null;
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private String text = null;
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public WebElement getElement() {
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return element;
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}
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public String getText() {
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if(text == null) {
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text = element.getText();
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}
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return text;
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}
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public List<String> getClassAttributes() {
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return classAttributes;
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}
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void setClassAttributes(List<String> classAttributes) {
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this.classAttributes = classAttributes;
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}
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public double getComputedFontSize(){
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return pxSizeToDouble(getElement().getCssValue("font-size") );
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}
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public static double pxSizeToDouble(String pxValue){
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return Double.valueOf( pxValue.replaceAll("[a-zA-Z]", "") );
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}
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/**
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* Finds and returns links of the form <a href="LINK" /> in this element or in any child element.
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*
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* @return an array of {@link LinkElement} objects, the array is empty if no link has been found
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*/
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public List<LinkElement> getLinksInElement() {
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if(linksInElement == null){
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linksInElement = new ArrayList<LinkElement>();
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if(getElement().getTagName().equals("a") && getElement().getAttribute("href") != null && getElement().getAttribute("href").length() > 0){
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// BaseElement is link itself
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linksInElement.add(new LinkElement(getElement()));
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} else {
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// look for links in sub elements
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List<WebElement> links = getElement().findElements(By.xpath(".//a[@href]"));
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for (WebElement link : links) {
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linksInElement.add(new LinkElement(link));
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}
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}
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}
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return linksInElement;
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}
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/**
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*
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* @param driver the currently used WebDriver instance
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* @return list of linktargets
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*/
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public List<String> getLinkTargets(WebDriver driver){
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if(linkTargets == null){
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linkTargets = new ArrayList<String>();
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if(getElement().getTagName().equals("a") && getElement().getAttribute("target") != null && getElement().getAttribute("target").length() > 0){
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linkTargets.add(getElement().getAttribute("target"));
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} else {
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try {
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WebDriverWait wait = new WebDriverWait(driver, 5);
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List<WebElement> anchorTags = wait.until(new ExpectedCondition<List<WebElement>>(){
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@Override
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public List<WebElement> apply(WebDriver d) {
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return d.findElements(By.tagName("a"));
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}
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}
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);
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WebElement linkWithTarget = null;
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if(anchorTags.size() > 0){
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if(anchorTags.get(0).getAttribute("target") != null) {
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linkWithTarget = anchorTags.get(0);
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}
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}
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if(linkWithTarget != null){ // assuming that there is only one
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linkTargets.add(linkWithTarget.getAttribute("target"));
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}
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} catch (NoSuchElementException e) {
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logger.debug("No target window found");
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/* IGNORE */
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} catch (WebDriverException e) {
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logger.debug("timed out", e);
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/* IGNORE */
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}
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}
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}
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return linkTargets;
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}
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public BaseElement(WebElement element) {
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logger.setLevel(Level.TRACE);
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logger.trace("BaseElement() - constructor");
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this.element = element;
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// read and tokenize the class attribute
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if (element.getAttribute("class") != null) {
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String[] classTokens = element.getAttribute("class").split("\\s");
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setClassAttributes(Arrays.asList(classTokens));
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logger.trace("BaseElement() - class attribute loaded");
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}
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}
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@Override
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public String toString() {
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return this.getClass().getSimpleName() + "<" + this.getElement().getTagName() + ">" ;
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}
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public String toStringWithLinks() {
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StringBuilder links = new StringBuilder();
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for(LinkElement linkElement : getLinksInElement()){
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if(links.length() > 0){
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links.append(", ");
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}
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links.append(linkElement.getUrl());
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}
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String classAttribute = getElement().getAttribute("class") ;
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if(classAttribute == null){
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classAttribute = "";
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}
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String textSnipped = getText();
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if(textSnipped.length() > 50){
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textSnipped = textSnipped.substring(0, 50) + "...";
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}
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String targets = "LinkTargets UN-INITIALIZED";
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if(linkTargets != null) {
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targets = linkTargets.isEmpty()? "" : ", LinkTargets: '" + StringUtils.join(linkTargets.toArray(), ", ") + "'";
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}
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return "<" + getElement().getTagName() + " class=\""+ getElement().getAttribute("class")+ "\"/>" + textSnipped + " ;Links:" + links + targets;
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}
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}
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