html parser to search and replace the some values using java

Question

i am looking for an html parser that can search and replace the anchor tags like

ex
<a href="/ima/index.php">example</a>
to
<a href="http://www.example.com/ima/index.php">example</a>

UPDATED:

my code with jsoup but not working

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import com.google.common.collect.ImmutableList;
import com.google.common.net.InternetDomainName;

public class test {
    public static void main(String args[]) throws IOException {

          Document doc = Jsoup.connect("http://www.google.com").get();

          String html =doc.outerHtml().toString();

         // System.out.println(html);

           Elements links = doc.select("a");



            for (Element link : links) {
             String href=link.attr("href");
             if(href.startsWith("http://"))
             {

             }
             else
             {
                 html.replaceAll(href,"http://www.google.com"+href);
             }
            }
            System.out.println(html);
    }

}

Couldn't you just use a <BASE HREF='http://www.example.com/'> to achieve this result? Or are you looking to override the contents of a site? — D.N.
– D.N., Commented Jan 30, 2011 at 19:14

mirek · Accepted Answer · 2018-02-09 10:15:33Z

5

this code changes relative links in document to absolute links the code uses jsoup library

private void absoluteLinks(Document document, String baseUri)    {
    Elements links = document.select("a[href]");
    for (Element link : links)  {
        if (!link.attr("href").toLowerCase().startsWith("http://"))    {
            link.attr("href", baseUri+link.attr("href"));
        }
    }
}

edited Feb 9, 2018 at 10:15

answered Nov 19, 2012 at 16:34

mirek

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Comments

Derek Knapp · Accepted Answer · 2011-03-14 16:03:34Z

package javaapplication4;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

/**
 *
 * @author derek
 */
public class Main
{
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    {
        try
        {
            Document document = Jsoup.connect("http://www.google.com").get();
            Elements elements = document.select("a");

            for (Element element : elements)
            {
                element.baseUri();
            }
            System.out.println(document);
        }
        catch (Exception e)
        {
            e.printStackTrace(System.err);
        }
    }
}

jhouse · Accepted Answer · 2011-01-30 19:13:29Z

1

You could do this with String.replaceAll() and a regexp that matched on

<a href="/

to find all relative links.

html = html.replaceAll("<a href=\"/", "<a href=\"http://www.google.com/\"");

edited Jan 30, 2011 at 19:13

answered Jan 30, 2011 at 19:04

jhouse

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Comments

Nightfirecat · Accepted Answer · 2011-01-30 19:04:46Z

0

Is this a programming question? If you're looking for a pre-made Java file or something to do this, you're in the wrong place. If you're looking to write something like this, then you could just search for instances of text that begins with a href=/" and ends with /">, and then you could just check the href value, and if it's a relative path (that is, starts with /), you can just add the other text to the beginning.

answered Jan 30, 2011 at 19:04

Nightfirecat

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