[Java] Html Parser Example

1. Html Parser Example (JSoup)

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import java.io.File; import java.io.IOException; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; public class HtmlParser { Document doc; public HtmlParser() { } public void loadUrl(String url) throws IOException { doc = Jsoup.connect(url).get(); //"http://example.com/" } public void loadFile(String file) throws IOException { File input = new File(file); //"/tmp/input.html" doc = Jsoup.parse(input, "UTF-8"); //, baseUrl } public void loadString(String string) throws IOException { doc = Jsoup.parse(string); //, baseUrl } public String getTitle() { return doc.title(); } public Elements getElementsByTag(String tag) { return doc.getElementsByTag(tag); } public Elements getLinks() { Elements links = doc.getElementsByTag("a"); /* for (Element link : links) { String linkHref = link.attr("href"); String linkText = link.text(); System.out.println(linkHref + ", " + linkText); } */ return links; } public Elements getImages() { Elements links = doc.getElementsByTag("img"); /* for (Element link : links) { String linkHref = link.attr("href"); String linkText = link.text(); System.out.println(linkHref + ", " + linkText); } */ return links; } }