java-programmer >>Class for extracting html data from a url

Class for extracting html data from a url

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- 2
  - RMI first stepHello,
    
    For testing purpose, I'm trying to use RMI...
    Here is the exception when I run Main.java :
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    at
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    at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
    at java.lang.SecurityManager.checkConnect(SecurityManager.java:1034)
    at java.net.Socket.connect(Socket.java:501)
    at java.net.Socket.connect(Socket.java:457)
    at java.net.Socket.<init>(Socket.java:365)
    at java.net.Socket.<init>(Socket.java:178)
    at
    sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketF
    actory.java:22)
    at
    sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketF
    actory.java:128)
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:569)
    at
    sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185)
    at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171)
    at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:306)
    at sun.rmi.registry.RegistryImpl_Stub.rebind(Unknown Source)
    at java.rmi.Naming.rebind(Naming.java:160)
    at testRMI.Main.main(Main.java:28)
    
    (jdk1.5.0_01 - Win2000Pro - no firewall)
    What am I doing wrong ?
    Thanks for your help,
    Martin.
    
    The code :
    ===================================================================
    Main.java :
    package testRMI;
    
    import java.net.MalformedURLException;
    import java.rmi.AlreadyBoundException;
    import java.rmi.Naming;
    import java.lang.SecurityException;
    import java.rmi.RMISecurityManager;
    import java.rmi.RemoteException;
    import java.rmi.server.UnicastRemoteObject;
    
    public class Main extends UnicastRemoteObject implements Meeting
    {
    private String ivDate = new String("25/3/2005");
    private static final long serialVersionUID = 1;
    
    public Main() throws RemoteException {
    
    }
    
    public String getDate() throws RemoteException {
    return ivDate;
    }
    
    public static void main(String[] args) throws
    AlreadyBoundException,RemoteException,
    MalformedURLException,SecurityException {
    System.setSecurityManager(new RMISecurityManager());
    Main ms = new Main();
    Naming.rebind("rmi://192.168.0.1/Meeting",ms);
    }
    }
    ===================================================================
    Meeting.java
    package testRMI;
    
    import java.rmi.Remote;
    import java.rmi.RemoteException;
    
    public interface Meeting extends Remote
    {
    public String getDate() throws RemoteException;
    }
    ===================================================================
    ClientRMI.java
    package testRMI;
    
    import java.net.MalformedURLException;
    import java.rmi.Naming;
    import java.rmi.NotBoundException;
    import java.rmi.RMISecurityManager;
    import java.rmi.Remote;
    import java.rmi.RemoteException;
    
    public class ClientRMI
    {
    public static void main(String[] args)
    throws RemoteException, MalformedURLException,NotBoundException {
    System.setSecurityManager(new RMISecurityManager());
    Remote r = Naming.lookup("rmi://192.168.0.1/Meeting");
    String s = null;
    if(r instanceof Meeting)
    {
    Meeting ms = (Meeting)r;
    s = ms.getDate();
    }
    System.out.println(s);
    }
    }
    ===================================================================
- 5
  - JProgressBar Flickering!Hi everyone! I just have a little question here!
    
    I have a Swing GUI in which I put a JProgressBar.
    I also have a static class where I put a static variable JProgressBar.
    
    In my main program, because the static methods are time consuming, I
    start a new thread, where I initialize the static JProgressBar with the
    one in main gui.
    
    So I'm able to update the text, value, etc in the GUI without locking
    my main program.
    
    The problem is:
    
    I put progression report [ progressBar.setValue(int) ] in my loops to
    see the change. It works perfectly BUT!!!
    
    Every time it sets a new value, the progress bar show a lot of
    flickering! I enabled double buffering on it, but no effect!
    
    How can I remove this bad effect??? If some knows please tell me quick
    :)
    
    Thanks,
    Ad
- 6
  - Streaming Project / red5Hi Java-Developers,
    
    i'm looking for a solution for the following project:
    
    I have a Travelmoviewebsite called www.triponia.com and I'm planning
    to integrate some "WebTV boxes". Currently every movie is shown by
    progessive flv download over my own player.
    
    In the "WebTV players" i plan to show a "multicast" stream depending
    on a playlist. The playlist should be changeable every time without
    reloading the player application. So i need a real stream, that every
    person can see the same picture in the same moment.
    Additionally there should be an option to show a livestream (mpeg-
    stream over IP-Cam) out of a webcam.
    
    I plan to use red5 as streaming server (http://osflash.org/red5).
    I know that there are already some examples which i could modify for
    my uses. But I'm only a perl programmer - not a java coder ;-)
    So i need an interface which i can control over config files or other
    ways from my perl application to control the current stream (setting
    the playlists and configure a livestream).
    
    Please send offers directly to my e-mail address using the same
    subject. If you have any questions please reply within the newsgroup.
    Thank you.
    
    Kai
- 6
  - JSP tags questionsI am VERY new to JSP, so I hope my question makes sense.
    
    I am trying to use a tag from the google API estimatedTotal.
    <google:estimatedTotal />
    If I just put it in my jsp like this, it prints the number of
    estimated search results directly on the page. I don't want this. What
    I want is to collect this value and stick it into a java variable for
    future processing.
    
    Can this be done? If so, what's the syntax?
    
    Thank you so much in advance
- 6
  - java.util.logging for Java 1.3.1Being stuck in Java 1.3 becuase of application vendors, I would love to
    have a backwards port of java.util.logging libraries to 1.3.
    
    Has anybody out there have such a port?
    
    Thanks,
    Tim
- 7
  - [ports-i386@pointyhat.freebsd.org: jdk-1.4.2p7 pkg-plist errorsOn Sat, Mar 26, 2005 at 04:33:32PM -0800, Kris Kennaway wrote:
    > ----- Forwarded message from User Ports-i386 <email***@***.com> -----
    >
    > list of extra files and directories in / (not present before this port was installed but present after it was deinstalled)
    > 907052 8 drwxr-xr-x 3 root wheel 512 Mar 25 12:25 usr/local/jdk1.4.2
    > 907053 8 drwxr-xr-x 3 root wheel 512 Mar 25 12:25 usr/local/jdk1.4.2/jre
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    >
    >
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    This was broken by the change to the dynamic plist. These files are
    installed by the pkg-install script, which occurs after the packing list
    has been generated :(. A simple fix should be to add an explicit
    PLIST_FILES/PLIST_DIRS setting for these files. I suspect the breakage
    for jdk15 is the same. I'll look into it.
    
    --
    Greg Lewis Email : email***@***.com
    Eyes Beyond Web : http://www.eyesbeyond.com
    Information Technology FreeBSD : email***@***.com
    _______________________________________________
    email***@***.com mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-java
    To unsubscribe, send any mail to "email***@***.com"
- 7
  - run Client and the server on two different machine!! it doesen't work!!Hi,
    I am trying to execute my Corba/Java program with the Client on one
    machine and the server on another (things work
    fine on a single machine).
    -------------------------------------
    - tnameserv -ORBInitialPort 1500
    
    - java Server -ORBInitialPort 1500 -ORBInitialHost htest
    
    - java Client -ORBInitialPort 1500 -ORBInitialHost htest
    ----------------
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    org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed: No
    org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed:
    No
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    at org.omg.CORBA.portable.ObjectImpl._request(ObjectImpl.java:431)
    at
    org.omg.CosNaming._NamingContextExtStub.resolve_str(_NamingContextExtStub.java:156)
    at Test.Client.main(Client.java:48)
    
    Any ideas on what is missing??????
    
    thanks
    Tina
- 7
  - stock prices off the net.Hey,
    
    I want to grab stock prices off the net, but I'm not sure how to go
    about it. I'm pretty sure I should be able to query the web-server on a
    financial web-site and parse the HTML that is returned. Is there some sample
    code out there?
    
    Thanks in advance,
    
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- 8
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    using JDK 1.5.0_04 I try to read a PNG image with ImageIO.read():
    
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    BufferedImage bufferedImage = ImageIO.read(inputStream);
    }
    catch (Exception e)
    {
    e.printStackTrace();
    }
    
    I get the following exception:
    java.lang.IllegalArgumentException: LUT has improper length!
    at
    javax.imageio.ImageTypeSpecifier$Indexed.<init>(ImageTypeSpecifier.java:866)
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    javax.imageio.ImageTypeSpecifier.createIndexed(ImageTypeSpecifier.java:955)
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    at javax.imageio.ImageIO.read(ImageIO.java:1322)
    at ImageIOTest.main(ImageIOTest.java:26)
    
    When I read the other file (http://www.w3.org/Icons/w3c_home.png)
    everything is fine. Is this a problem with the PNGImageReader or with
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    --
    Johannes Koch
    In te domine speravi; non confundar in aeternum.
    (Te Deum, 4th cent.)
- 9
  - Getting the references of all the instantiated classes in my programHi All,
    
    I want to do something like the following: Say I have an Auctioneer and a
    Bidder class and then in my program I write:
    
    a1=new Auctioneer(blah blah blah);
    b1= new Bidder(blah blah blah);
    b2= new Bidder(blah blah blah);
    
    Is there a way I can get a list of references for the objects? I would
    like to have an array with a1,b1,b2 as references. Is that possible?
    
    I look forward to hearing from you soon.
    
    Thanks,
    Dil
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  - Nunni FSM Generator v. 1.1 released!NunniFSMGen v. 1.1 has been released on August 12th 2004
    
    NunniFSMGen is Open Source and comes with GPL license.
    
    http://nunnifsmgen.nunnisoft.ch/en/home.jsp
    
    NunniFSMGen is a java tool that starting from a transition table
    generates the corresponding FSM (Finite State Machine) in Java, C
    or C++ source code. It has been developped in 2003 at NunniSoft
    for generating the FSMs of our own software and successfully used
    (here at NunniSoft) since it's first internal release (in June 2003).
    
    Changes since 1.0.3
    - generation of C code is now more optimized for size
    - some clean up
    
    NunniFSMGen has also been used to develop two other Open
    Source projects, distributed under the LGPL licence:
    
    NunniMJAX http://nunnimjax.nunnisoft.ch/en/home.jsp
    and
    NunniMCAX http://nunnimcax.nunnisoft.ch/en/home.jsp
    
    The above are two minimal and lightweight libraries for
    parsing XML. The first is written in Java, the sencond in C.
    
    Best regards.
    --
    Roberto Nunnari -software engineer-
    mailto:email***@***.com
    Residenza Boschetto 12 tel/fax: +41-91-6046511
    6935 Bosco Luganese """ mobile: +41-76-3208561
    Switzerland (o o)
    ========================oOO==(_)==OOo========================
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    I'm looking for a circular linked list implementation.
    Any references appreciated.
    
    Cheers
    Sharp
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    be one in existance already. Google searching has not turned any up
    yet.
    
    Does anyone know of a good swing based sidebar ?
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    I would like to use javax.sql.DataSource to connect to the database from a
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    I have the next program fragment:
    
    Context initctx = new InitialContext();
    javax.sql.DataSource ds = (javax.sql.DataSource)initctx.lookup(
    "java:comp/env/jdbc/MyDatabase");
    
    java.sql.Connection cx = ds.getConnection(user,password);
    
    I do not know how what "java:comp/env/jdbc/MyDatabase" means and how to set
    the database url, the jdbc driver and so on.
    
    I have read many documents but I cannot find the solution. Can anybody help
    me?
    
    Okip
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  - Netbeans 4.0 beta2 color scheme configuration?I just downloaded Netbeans again (tried 3.2 and 3.3 way back when). At one
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Author

Message

Harlin

Posted: 2005-4-1 20:51:00

Top

java-programmer, Class for extracting html data from a url Does a class exist in Java that would allow one to extract html data
from a web page url?

thanks,

Harlin Seritt

Thomas Fritsch

Posted: 2005-4-1 21:55:00

Top

java-programmer >> Class for extracting html data from a url Harlin wrote:
> Does a class exist in Java that would allow one to extract html data
> from a web page url?
>
> thanks,
>
> Harlin Seritt
>
You can get an InputStream from the URL:
URL url = ...
InputStream stream = url.openStream();
and read the HTML data from it.
See also
<http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html#openStream()>

You can also try the higher-level method
URL url = ...
String content = (String) url.getContent();
(But I'm not completely sure, whether you really get a String here.)
See also
<http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html#getContent()>

--
"Thomas:Fritsch$ops:de".replace(':','.').replace('$','@')

kaeli

Posted: 2005-4-1 22:26:00

Top

java-programmer >> Class for extracting html data from a url In article <email***@***.com>,
email***@***.com enlightened us with...
> Does a class exist in Java that would allow one to extract html data
> from a web page url?

URLConnection.

Google is your friend. So are the sun tutorials.
http://java.sun.com/docs/books/tutorial/networking/urls/readingURL.html

--

Harlin

Posted: 2005-4-2 23:11:00

Top

java-programmer >> Class for extracting html data from a url Thomas,

Thanks! This is exactly what I was looking for. I had a hard time
finding this on Google or even in the Sun docs.

Regards,

Harlin Seritt

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    parameter, or perhaps only in would get the boolean return.
    --
    Roedy Green Canadian Mind Products
    The Java Glossary
    http://mindprod.com
- 11
  - Check class file for annotationDoes anyone know of a simple way to determine whether a marker
    annotation is present in a given class file?
    
    TIA
    
    --
    ========================================================================
    Ian Pilcher email***@***.com
    ========================================================================
- 12
  - PAAppViewer3 (AppViewer3)?Hello,
    
    Might anyone please kindly answer my question? Thank you very
    much.
    
    I can't read the result of performing bootstrapping in Amos 6.0.
    In the Amos text output, on the left hand side, there are two
    sections. The lower section is the result of performing bootstrap,
    including estimates/bootstrap, estimates of bootstrap standard error,
    estimates of bias-corrected percentile method.
    
    However, I can't read any of them. Nothing shows up.
    Also, I find this message,
    Error number: 70
    Source: PAAppViewer3 (AppViewer3)
    Description: Permission denied
    Call stack: frmMain hdoc_ onmouseover
    
    How can I be able to read the result of performing bootstrapping in
    Amos 6.0.?
    
    Thank you very much and look forward to your kind reply.
    
    Please take care
    
    Best wishes to your life
    
    Caroline
- 13
  - debrisW a t c h o u t!
    
    ALLIACNE ENTERPRSIE (A ETR)
    Currnet Prcie: 0.80
    Add this g e m to your w atch list, and w atch it tard closely!
    
    Nwes Releaes!
    
    Taeocrp announces breackrough in removing deadly l andmines.
    
    Mill Valley, California August 25, 2006 - The Alliance Etnerprise Corpoartion announced today a breakthrough in developing an Areial Lnadmine Sysetm aimed at locating, detecting and mapping deadly landm ines.
    
    TeaCorp's mission is to reclaim lands around the globe embedded with l andmines that victimize countries and their stakeholders.
    
    More than 100 m i l l i o n landm ines in 83 countries are holding international communities and industries hostage, preventing the inv estment in and development of product ive lands and the re-building of infrastructure. A broad variety of landmine s have been scattered over pro ductive areas effectively crippling the eco nomy and disabling thousands of children and adults. There are no reliable records that accurately show where these d e v a s t a t i n g landmine s lie in wait for their v ictims.
    
    With the present day c osts to clear a single land mine ranging between $1,000 to $1,500, solving the problem of de-mining lands will reach billions of dol lars. TaeCorp has developed a technology based, cos t effective solution to this problem using its three tiered approach to scanning, mapping and removing la ndmines. TaeCorp's System will provide many social and eco nomic benef its to countries and their industries including oil and gas, mining, agriculture, roads and infrastructure development.
    
    About TaeCorp.
    
    TaeCorp's vision is to be the recognized leader in providing Aeiral Deteciton Systmes including global de-mining, clearing a path to a safer planet for all humankind.
    
    Here comes the big one!
    All signs show that AET R is going to Explode!
    
    Concl usion:
    The examples above show the awesome, earning potential of little known companies that explode onto invesotr's radar screens; Many of you are already familiar with this. Is A ETR poised and positioned to do that for you? Then you may feel the time has come to act... And please watch this one trdae tomorrow! Go AE TR.
    Pen ny sotcks are considered highly speculative and may be unsuitable for all but very aggressive investros. This prof ile is not in any way affil iated with the featured company. This report is for entertainment and advertising purposes only and should not be used as invesmtent advice. If you wish to stop future m a i lings, or if you feel you have been wrongfully placed in our membership, send a blank e m a i l with No Thanks in the subject to
    
    --
    To UNSUBSCRIBE, email to email***@***.com
    with a subject of "unsubscribe". Trouble? Contact email***@***.com
- 14
  - change defaultsHi,
    
    How do you change the default font for all components ( frame, label, etc )
    in swing ?
    
    regards
    
    Johan
- 15
  - Little ProblemI have three numbers - 1, 2 & 3.
    
    A randomly selected one of the three are stored in 'var1', and another
    randomly selected one is in 'var2'.
    
    How do I find out the number that is left over?
    
    I tried a while loop but I couldn't get it to work...
    
    TIA