Help with getting links from HTML page

Hello all. I found the sun tutorial for getting HREF values from a tags in an HTML document at <http://java.sun.com/developer/TechTips/1999/tt0923.html>. My question now is how would a person add the ability to get the text of the link to this code?
For example:
Provided the HTML code:<a href="link.html">example</a>Returned is: href=link.html text=example

I think the TechTip you've linked too is quite old (1999). I would write a simple SAXParser that uses TagSoup (http://www.ccil.org/~cowan/XML/tagsoup/) as its input source. In your handler, simply set a flag and reset a StringBuffer to collect the contents of any <a>...</a> element. Simplified:
    public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
        if ("a".equals(localName)) {
            currentHref = attributes.getValue("href");
            if (currentHref != null && currentHref.length() > 0) {
                inLink = true;
                //reset the string buffer
                buffer.setLength(0);
    public void characters(char[] ch, int start, int length) throws SAXException {
        if (inLink) buf.append(ch, start, length);
    public void endElement(String uri, String localName, String qName) throws SAXException {
        if ("a".equals(localName) && inLink) {
            inLink = false;
            //add link to the stack
            links.add(new Link(currentHref, buffer.toString()));
    }Completely untested, of course... .Good luck...

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    I have an app that connect via threads with pages and parse them an gives me only the Text-version of a HTML-page. Works fine, but if it found a page, where the text is within images, than the whole app stopps and gave me the message:
    javax.swing.text.ChangedCharSetException
            at javax.swing.text.html.parser.DocumentParser.handleEmptyTag(DocumentParser.java:169)
            at javax.swing.text.html.parser.Parser.startTag(Parser.java:372)
            at javax.swing.text.html.parser.Parser.parseTag(Parser.java:1846)
            at javax.swing.text.html.parser.Parser.parseContent(Parser.java:1881)
            at javax.swing.text.html.parser.Parser.parse(Parser.java:2047)
            at javax.swing.text.html.parser.DocumentParser.parse(DocumentParser.java:106)
            at javax.swing.text.html.parser.ParserDelegator.parse(ParserDelegator.java:78)
            at aufruf.main(aufruf.java:33)So I tried to catch them with "getCharSetSpec()" and "keyEqualsCharSet( )" from the class "javax.swing.text.ChangedCharSetException" and hoped that this solved the problem. But still doesen't work...
    Then I looked at the web and found, that I have to add the line:
    doc.putProperty("IgnoreCharsetDirective", new Boolean(true));"doc." is a new HTML Dokument, created with the HTMLEditorKit. I do not have much knowledge about that and so I hope, that someone can explain me, how I can solve that problem, within my code.
    Here we go:
    import javax.swing.text.*;
    import java.lang.*;
    import java.util.*;
    import java.net.*;
    import java.io.*;
    import javax.swing.text.html.*;
    import javax.swing.text.html.parser.*;
    public class myParser extends Thread
            private String name;
            public void run()
                    try
                            URL viele = new URL(name);                       // "name" ia a variable with a lot of links
                    URLConnection hs = viele.openConnection();
                    hs.connect();
                    if (hs.getContentType().startsWith("text/html"))
                            InputStream is = hs.getInputStream();
                            InputStreamReader isr = new InputStreamReader(is);
                            BufferedReader br = new BufferedReader(isr);
                            Lesen los = new Lesen();
                            ParserDelegator parser = new ParserDelegator();
                            parser.parse(br,los, false);
            catch (MalformedURLException e)
                    System.err.print("Doesn't work");
            catch (ChangedCharSetException e)
                    e.getCharSetSpec();
                    e.keyEqualsCharSet();
                    e.printStackTrace();
            catch (Exception o)
            public void vowi(String n)
                    name = n;
    }and for the case that it is important here is the class "Lesen"
    import java.net.*;
    import java.io.*;
    import javax.swing.text.*;
    import javax.swing.text.html.*;
    import javax.swing.text.html.parser.*;
    class Lesen extends HTMLEditorKit.ParserCallback
            public void handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos)
                    try
                            if ((t==HTML.Tag.P) || (t==HTML.Tag.H1) || (t==HTML.Tag.H2) || (t==HTML.Tag.H3) || (t==HTML.Tag.H4) || (t==HTML.Tag.H5) || (t==HTML.Tag.H6))
                                    System.out.println();
                    catch (Exception q)
                            System.out.println(q.getMessage());
            public void handleSimpleTag(HTML.Tag t,MutableAttributeSet a, int pos)
                    try
                            if (t==HTML.Tag.BR)
                                    System.out.println(); // Neue Zeile
                                    System.out.println();
                    catch (Exception qw)
                            System.out.println(qw.getMessage());
            public void handleText(char[] data, int pos)
                    try
                            System.out.print(data);                                           // prints the text from HTML-pages
                    catch (Exception ab)
                            System.out.println(ab.getMessage());
    }Thanks a lot for helping...
    Stephan

    parser.parse(br,los, false);
    parser.parse(br,los, true);

  • Can a menu link to .html pages?

    I want to make a DVD that will start with a video introduction, and upon finishing the brief minute or so intro, it will display a menu screen.
    1.) I would like the menu buttons to link to .html pages saved on the DVD. So after clicking on a link from the menu, it will open up a full-screen .html page.
    2.) Each .html page will link to other .html pages and have embedded images, and short quitcktime video clip links that will open up in small windows when links are clicked.
    3.) I need to have a link on each .html page that links back to the main dvd menu.
    Can this be done? Any issues with doing something like this?
    Thanks in advance for any advice!!!!

    Mark - you need to read up on [email protected] if you intend doing this through DVDSP. Yes, it is all possible, but you haven't quite got the way it works correct.
    What happens is you embed a URL into a menu. When the menu is accessed (typically by a button from a previous menu) the link is activated and the resource is launched. This opens in a window in front of the DVD playback window. The DVD player continues to run in the background - so you need to allow for that when returning. The viewer will simply close the web browser window and be back at the DVD window - by then you should have made the @ccess menu 'time-out' and return to the previous menu.
    You set up the HTML file (or whatever file you are using) in a folder on your Mac, and place it all within a parent folder. From within DVDSP you then use the property Inspector for the disc itself (click not he disc icon in the outline view) to specify a ROM folder. You browse for the parent folder you just created. Everything inside that will get added to the root level of the DVD, which is why you place your HTML inside a folder within that parent folder (unless of course, you don't mind your HTML file/s being scattered all over the root of the DVD).
    You set the URL for the @ccess link by using the following path format:
    file:///DVDname/ParentFolderName/filename.extension
    So if your html file is called 'index' and it is in a folder called 'ROM' on your DVD called 'Project' then the URL you set in the menu would be:
    file:///Project/ROM/index.html
    This should then get activated (as long as you have enabled [email protected] links in your DVD Player software).
    However, there are some caveats.
    Whilst this will work quite well on a Mac, a PC user will have a wildly varied experience - for some the links will work. For some the links won't work, and for some, all links will launch the moment the first link is encountered... ALL PC users will need to install the [email protected] software (which will be on the built DVD by default (DVDSP includes it there for you), unless they have already done so previously (unlikely).
    In order to maximise the experience for PC users and Mac users you should consider using Sonic's 'eDVD' to add the hyperlinks. This makes use of the Interactual player which has a far higher installed base in PCs, but will need installing in Macs. Again, this gets included on the disc when you use eDVD.
    eDVD is a PC only app - you'll need to build your project and transfer the VIDEO_TS folder to a PC, add the links and then burn it to disc or use software such as Gear Pro to create a DLT. Hopefully Jim (WTS) will see this and give more advice on how to use eDVD.
    Getting [email protected] working on a PC is a tricky thing to do - a lot depends on the PC software spec, and since you can't govern the user's choice in this, you are walking a tightrope of compatibility.
    Of course, you could simply set some text into your menu to say that there is additional content on the disc, and let the user browse to it at their leisure instead of relying on embedded links...

  • Values not getting displayed from first page of the report.

    Values in the report is getting displayed from second page.
    First page in the report only displaying the report title and column names.
    Secone page onwards, data and column names are generated.
    Can any one please help me, with the cause of the problem.

    what reporting tool?
    Interactive Reporting
    Financial Reporting

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