Java Code Examples for org.jsoup.nodes.Element#hasText()

/**
 * 获取指定页HTML 文档指定的body
 *
 * @throws IOException
 */
private static int printAllTitleInPage(String blogUrl, int page) throws IOException {
	int count = 0;
	Document doc = Jsoup.connect(blogUrl + "default.html?page=" + page).get();
	Elements postTitles = doc.body().getElementsByClass("postTitle");
	for (Element postTitle : postTitles) {
		Elements links = postTitle.getElementsByTag("a");
		for (Element link : links) {
			if (link.hasText()) {
				System.out.println(link.text());
				System.out.println(link.attr("href"));
				count++;
			}
		}
	}
	return count;
}
 

private boolean isFetchCoursesHtmlSuccessful(String htmlContent){
    boolean isFectchSuccess = false;
    Document loadCoursesDoc = Jsoup.parse(htmlContent);
    Element loadFlagElement =  loadCoursesDoc.getElementById("Label1");
    if (loadFlagElement != null && loadFlagElement.hasText()) {
        isFectchSuccess = CODE_COURSES_LOAD_SUCCESS.equals(loadFlagElement.text().trim());
        Element collegeElement = loadCoursesDoc.getElementById("Label7");
        Element majorElement = loadCoursesDoc.getElementById("Label8");
        Element classElement = loadCoursesDoc.getElementById("Label9");
        User loginUser = PreferenceUtil.getLoginUser();
        loginUser.userCollege = collegeElement != null && collegeElement.hasText()
                ? StringUtil.parseUserFieldTextHtml(collegeElement.text(), 3, 0) : "";
        loginUser.userMajor = majorElement != null && majorElement.hasText()
                ? StringUtil.parseUserFieldTextHtml(majorElement.text(), 3, 0) : "";
        loginUser.userClass = classElement != null && classElement.hasText()
                ? StringUtil.parseUserFieldTextHtml(classElement.text(), 4, 0) : "";
        PreferenceUtil.updateLoginUser(loginUser);
    }
    return isFectchSuccess;
}
 

private static boolean hasVisibleContent(List<Node> nodes) {
    for (Node node : nodes)
        if (node instanceof TextNode && !((TextNode) node).isBlank())
            return true;
        else if (node instanceof Element) {
            Element element = (Element) node;
            if (!element.isBlock() &&
                    (element.hasText() ||
                            element.selectFirst("a") != null ||
                            element.selectFirst("img") != null))
                return true;
        }
    return false;
}
 

private static void getStringsToRemove(Elements allElements) {

		for (Element e : allElements) {
			if (e.hasText()) {
				stringsToRemove.add(e.ownText());
			}
			getStringsToRemove(e.children());
		}
	}
 

private void parseLoiginUser(User loginFormUser,String loginUserHtml) {
    Document userDoc = Jsoup.parse(loginUserHtml);
    Element userNameElement = userDoc.getElementById("xhxm");
    if (userNameElement != null && userNameElement.hasText()) {
        loginFormUser.userRealName = StringUtil.parseUserFieldTextHtml(userNameElement.text(), 0, 2);
    }
}
 

public boolean hasText() {
    for (Element element: this) {
        if (element.hasText())
            return true;
    }
    return false;
}
 

/**
 Test if any matched Element has any text content, that is not just whitespace.
 @return true if any element has non-blank text content.
 @see Element#hasText()
 */
public boolean hasText() {
    for (Element element: this) {
        if (element.hasText())
            return true;
    }
    return false;
}
 

/**
 * Get the text content of each of the matched elements. If an element has no text, then it is not included in the
 * result.
 * @return A list of each matched element's text content.
 * @see Element#text()
 * @see Element#hasText()
 * @see #text()
 */
public List<String> eachText() {
    ArrayList<String> texts = new ArrayList<>(size());
    for (Element el: this) {
        if (el.hasText())
            texts.add(el.text());
    }
    return texts;
}
 

/**
 Test if any matched Element has any text content, that is not just whitespace.
 @return true if any element has non-blank text content.
 @see Element#hasText()
 */
public boolean hasText() {
    for (Element element: this) {
        if (element.hasText())
            return true;
    }
    return false;
}
 

/**
 * Get the text content of each of the matched elements. If an element has no text, then it is not included in the
 * result.
 * @return A list of each matched element's text content.
 * @see Element#text()
 * @see Element#hasText()
 * @see #text()
 */
public List<String> eachText() {
    ArrayList<String> texts = new ArrayList<>(size());
    for (Element el: this) {
        if (el.hasText())
            texts.add(el.text());
    }
    return texts;
}
 

public boolean hasText() {
    for (Element element: contents) {
        if (element.hasText())
            return true;
    }
    return false;
}
 

/**
 * 判断是否 ViewState 失效
 * <p>
 * <div id="title_m">ERROR - 出错啦！</div>
 *
 * @param response
 * @return
 */
public boolean isViewStateInvalid(String response) {
    Element newerStateElement = Jsoup.parse(response).getElementById("title_m");
    if (newerStateElement != null && newerStateElement.hasText()) {
        return newerStateElement.text().startsWith(PREFIX_ERR_VIEW_STATE_TITLE);
    }
    return false;
}