Re: read html file into org.w3c.dom.html.htmldocument

From:
"Jozza" <hmm@hmm.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 4 Mar 2010 12:22:40 +0100
Message-ID:
<eLMjn.1799$UU2.148495@news.siol.net>

Hi,

how do i read a local html file into a org.w3c.dom.html.htmldocument ?
I want to dynamically change the values of the elements in html.

TIA J.


Well, there it is, i wrote it myself, it wasnt easy since i'm not a complete
java nut:

import java.io.*;
import org.cyberneko.html.parsers.*;
import org.xml.sax.InputSource;
import org.w3c.dom.*;
import org.w3c.dom.html.*;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

public String LoadHTML(String filename)
    {
        Document doc;
        FileInputStream inStream;
        String s = new String();
        String urlIS = new String(filename);
        try
        {
            inStream = new FileInputStream(urlIS);
        }
        catch (Exception e)
        {
            return "";
        }
        DOMParser parser = new DOMParser();
        try
        {
            parser.parse(new InputSource(inStream));
        }
        catch (Exception e)
        {
            return "";
        }
        doc = parser.getDocument();
        HTMLInputElement hi =
(HTMLInputElement)doc.getElementById("search");
        if (hi!=null)
        {
            s = hi.getValue().toString();
            hi.setValue("seeearch");
            s = hi.getValue().toString();
        }
        StringWriter sw = new StringWriter();
        Transformer t = null;
        try
        {
        t = TransformerFactory.newInstance().newTransformer();
        }
        catch (Exception e)
        {
            return "";
        }
        t.setOutputProperty(OutputKeys.METHOD, "html");
        t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        try
        {
            t.transform(new DOMSource(doc), new StreamResult(sw));
        }
        catch (Exception e)
        {
            return "";
        }
        s = sw.toString();
        return s;
    }

Ufcourse, there seem to be one million other ways to do it

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