/**
* Test if this element has an attribute.
*
* @param attributeKey The attribute key to check.
* @return true if the attribute exists, false if not.
*/
public boolean hasAttr(String attributeKey) {
Validate.notNull(attributeKey);
if (attributeKey.toLowerCase().startsWith("abs:")) {
String key = attributeKey.substring("abs:".length());
if (attributes.hasKey(key) && !absUrl(key).equals("")) return true;
}
return attributes.hasKey(attributeKey);
}
/**
* Get an attribute's value by its key.
*
* <p>To get an absolute URL from an attribute that may be a relative URL, prefix the key with
* <code><b>abs</b></code>, which is a shortcut to the {@link #absUrl} method. E.g.:
*
* <blockquote>
*
* <code>String url = a.attr("abs:href");</code>
*
* </blockquote>
*
* @param attributeKey The attribute key.
* @return The attribute, or empty string if not present (to avoid nulls).
* @see #attributes()
* @see #hasAttr(String)
* @see #absUrl(String)
*/
public String attr(String attributeKey) {
Validate.notNull(attributeKey);
if (attributes.hasKey(attributeKey)) return attributes.get(attributeKey);
else if (attributeKey.toLowerCase().startsWith("abs:"))
return absUrl(attributeKey.substring("abs:".length()));
else return "";
}
/**
* Check if an element is visible based on whether it has an aria presentation tag.
*
* @param element
* @return true if the element is visible rather than just presentation.
* @todo(dallison) check other aria roles for visible intentions
*/
static boolean isVisible(Element element) {
Attributes attributes = element.attributes();
if (attributes.hasKey("role")) {
if (attributes.get(ARIA_ROLE).equals(ARIA_PRESENTATION)) {
return false;
} else {
return true;
}
} else {
return true;
}
}
public String reviseImgForSohuNews(String pcont) {
if (pcont == null) return "";
Document doc = Jsoup.parse(pcont);
Elements eleimages = doc.select("img");
for (Element img : eleimages) {
Attributes attrs = img.attributes();
if (attrs.hasKey("data-src")) {
String source = attrs.get("data-src");
img.attr("src", source);
}
}
return doc.html();
}
