package us.codecraft.webmagic.selector;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Element;
import java.util.ArrayList;
import java.util.List;
/**
* @author code4crafter@gmail.com
* @since 0.3.0
*/
public abstract class BaseElementSelector implements Selector, ElementSelector {
@Override
public String select(String text) {
if (text != null) {
return select(Jsoup.parse(text));
}
return null;
}
@Override
public List<String> selectList(String text) {
if (text != null) {
return selectList(Jsoup.parse(text));
} else {
return new ArrayList<String>();
}
}
public Element selectElement(String text) {
if (text != null) {
return selectElement(Jsoup.parse(text));
}
return null;
}
public List<Element> selectElements(String text) {
if (text != null) {
return selectElements(Jsoup.parse(text));
} else {
return new ArrayList<Element>();
}
}
public abstract Element selectElement(Element element);
public abstract List<Element> selectElements(Element element);
public abstract boolean hasAttribute();
}