java - HTML no longer working in JLabel (and other components) -


i have java applet i've written , have been running quite while. in applet have bunch of jlabels use html in text content (which allowed, , has been working years). main reason use html allow line breaks in jlabels.

the issue: jlabels have html in them (some don't) stopped displaying text. think might have recent java update (java se 6 update 22, on 2010-oct-12) not 100 percent sure, problems did seem start around then. maybe bug has been introduced? or feature removed?

i tried jeditorpane , seemed have same issues when content html.

also important note first time load applet (first time java runtime starts) works fine, if refresh webpage has issues described.

does have similar issues? have insights? or doing dumb?

i made simple test applet , can reproduce issues 100% regularity (remembering first time runtime loads work fine, successive refreshes cause issues):

[helloworldapplet.java]

import javax.swing.*;  public class helloworldapplet extends japplet {     public void init()     {         this.add(new jlabel("hello (text)"), java.awt.borderlayout.north);         this.add(new jlabel("<html><body>hello (html)</body></html>"), java.awt.borderlayout.south);     } }

[hellowworldapplet.html]

<html> <title>a test</title> <body>     <applet code="helloworldapplet.class" width="320" height="120">         need java     </applet> </body> </html>

ps. i've been testing using chrome did breifly try in ie 8 also. (obviously) have latest java se 6 update 22 installed run time, , have matching update jdk. compile above test applet using simply: "javac helloworldapplet.java"

wasted afternoon looking cause of this, see following bug report http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6993691

the workaround in bug report is:

import javax.swing.*; import javax.swing.text.html.parser.parserdelegator;  public class helloworldapplet extends japplet {     public void init() {        parserdelegator workaround = new parserdelegator();        applet.add(new jlabel("hello (text)"), java.awt.borderlayout.north);        applet.add(new jlabel("<html>hello (html)</html>"),  java.awt.borderlayout.south);     } }

Comments

Post a Comment

Popular posts from this blog

asp.net - repeatedly call AddImageUrl(url) to assemble pdf document -

i'm using abcpdf , i'm curious if can recursively call addimageurl() function assemble pdf document compile multiple urls? something like: int pagecount = 0; int theid = thedoc.addimageurl("http://stackoverflow.com/search?q=abcpdf+footer+page+x+out+of+", true, 0, true); //assemble document while (thedoc.chainable(theid)) { thedoc.page = thedoc.addpage(); theid = thedoc.addimagetochain(theid); } pagecount = thedoc.pagecount; console.writeline("1 document page count:" + pagecount); //flatten document (int = 1; <= pagecount; i++) { thedoc.pagenumber = i; thedoc.flatten(); } //now try again theid = thedoc.addimageurl("http://stackoverflow.com/questions/1980890/pdf-report-generation", true, 0, true); //assemble document while (thedoc.chainable(theid)) { thedoc.page = thedoc.addpage(); theid = thedoc.addimagetoc
Read more

java - Android recognize cell phone with keyboard or not? -

in android app, want detect user's device if device has keyboard(like motorola milestone) , show corresponding user interface. guys know how that? ! regards justicepenny http://developer.android.com/reference/android/content/res/configuration.html public int keyboard the kind of keyboard attached device. 1 of: keyboard_nokeys, keyboard_qwerty, keyboard_12key. that's it!
Read more

iphone - How would you achieve a LED Scrolling effect? -

how achieve led scrolling effect example below? led sign - led ticker emulator iphone , ipad http://img.skitch.com/20101201-rsfh4p1bajb1wp94k466pdpiuj.preview.jpg sometimes remunerates comment in other posts :) have put code you, should implement font '8pin matrix' realistic feeling. uilabel *label; - (void)viewdidload { [super viewdidload]; label = [[uilabel alloc]initwithframe:cgrectmake(10, 50, 300, 20)]; label.font = [uifont fontwithname:@"courier-bold" size:16.0]; label.backgroundcolor = [uicolor blackcolor]; label.textcolor = [uicolor greencolor]; label.linebreakmode = uilinebreakmodecharacterwrap; // otherwise "…" label.text = @"this led text scrolled "; // blanks space between [self.view addsubview:label]; [nstimer scheduledtimerwithtimeinterval:0.12f target:self selector:@selector(scrolllabel) use
Read more