java-programmer >>JTabbedPane selection changes

JTabbedPane selection changes

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- 1
 - Detecting compiler version at runtimeThis is a multipart message in MIME format.
 Does anyone know if there is a way to determine which version of the
 compiler was used. That is, at runtime - using 1.4.x - finding
 out if the class/jar was compiled with 1.3.x?
 
 Thanks
 
 Does anyone know if there is a way to determine which version of the compiler was used. That is, at runtime - using 1.4.x - finding
 out if the class/jar was compiled with 1.3.x?
 
 Thanks
 
 
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 - [OT] Any way to see if a website is up in an automated way?I am looking for a tool or technique that can automatically check to see if
 a specific website is up - say twice a day - and then send me an email if it
 isn't. I do not want to have to manually check myself.
 
 Does anyone know of a way to do this?
 
 I have no money to spend on this so if there is no free service that does
 it, I'd be interested in how I can program this, preferably in Java. I
 assume that my best bet would be Java application that I could schedule via
 Windows XP scheduler but I can code applets and servlets too if that makes
 more sense.
 
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- 5
 - dynamic file download with *long* response time - How to show "Save As" early?I've got a Java servlet that delivers large database resultsets
 transformed to Excel with the HSSF library. In some cases it takes
 more than 15 minutes before transformation is done and content can be
 delivered to the browser.
 
 I want to show the "Save As" dialog as early as possible so the user
 knows he's not lost and forgotten.
 
 I already tried to send the response headers immediately after
 receiving the request including content disposition and filename. Even
 though the browser receives those headers it just won't trigger the
 "Save As" dialog. This applies to both MS IE and Mozilla.
 
 Any ideas appreciated.
- 6
 - Spring Framework for Java/J2EE/.NET Application development...
 Hello all
 
 I'm very pleased to announce the launch of www.SpringHub.com : a
 one-stop information resource dedicated to the Spring Framework for
 Java/J2EE/.NET application development.
 
 SpringHub.com provides free, easy and fast access to hundreds of Spring
 Framework resources organized in several categories and sub-categories:
 
 - Spring Quick Start (Spring Framework Project, Spring Reference
 Documentation, Spring Terminology, Spring Tutorials, Sample Book
 Chapters)
 - Spring InfoSources (Spring Articles, Spring Presentations, Spring
 Blogs, Spring Wikis, Spring Interviews, Spring News)
 - Spring Products (Spring Related Projects, Spring Libraries/Plugins,
 Spring Tools, Spring Books, Miscellaneous)
 - Spring Services (Spring Consulting, Spring Trainings, Spring Courses,
 Spring Jobs)
 - Spring Usage (Sample Applications/Code, Real-World Usage)
 - Community Support (Spring Forums, Spring Mailing Lists, Spring User
 Groups, Spring FAQs)
 - Related Frameworks (Meta-Frameworks, IoC Frameworks, AOP Frameworks,
 Front-End, Business Logic, Back-End, RIA Frameworks, Testing
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 - Related Resources (Sun Official Resources, Java IDEs, Open Source
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 With your feedback and URL submissions, SpringHub.com will evolve to
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 Regards,
 
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 Chicago, USA
 http://www.SpringHub.com
- 6
 - chaning fonts *only* w/ SynthHey all,
 
 I want the same interface appearance I have now, which is the Metal
 LaF, but I just want to make the fonts different. Same style, smaller
 fonts. I installed Synth and have the following XML defined ...
 
 <synth>
 <style id="default">
 
 </style>
 <bind style="default" type="region" key=".*"/>
 </synth>
 
 If I understand this correctly, doesn't this make the font size
 Helvetica 10 (globally using .*) as default, and the rest of the LaF
 should stay the same style, right?
 
 The problem is, this makes the default fonts correct all over my
 application, but the rest of the GUI is completely ... styleless. Is
 there anyway for my menus, buttons, etc... to stay as is using the
 Metal LaF, yet change *only* the font size?
 
 Any help much appreciated.
- 6
 - ports/83434: www/jakarta-tomcat ports give the wrong ownershipOld Synopsis: tomcat ports give the wrong ownership to their installed executables
 New Synopsis: www/jakarta-tomcat ports give the wrong ownership to their installed executables
 
 State-Changed-From-To: feedback->open
 State-Changed-By: hq
 State-Changed-When: Tue Oct 18 15:44:20 GMT 2005
 State-Changed-Why:
 Timeout
 
 Responsible-Changed-From-To: freebsd-java->hq
 Responsible-Changed-By: hq
 Responsible-Changed-When: Tue Oct 18 15:44:20 GMT 2005
 Responsible-Changed-Why:
 I'll handle this.
 
 This is the last improvement to be applied to www/jakarta-tomcat55 before we
 merge back all recent improvements into other Tomcat ports.
 
 http://www.freebsd.org/cgi/query-pr.cgi?pr=83434
 _______________________________________________
 email***@***.com mailing list
 http://lists.freebsd.org/mailman/listinfo/freebsd-java
 To unsubscribe, send any mail to "email***@***.com"
- 6
 - Accessing a method inside of an object that is stored in a vector...I have been trying to post to .help all day but nothing is going
 through. Will try it here and hope it does....
 
 I am trying to access a getData() method that simply returns a stored
 integer value from an object that is stored in a vector. I have tried
 to do this but cannot get the notation correct. I tried google groups
 and the only thing I got from there was to pull the object from the
 vector into a temperary object. That didnt work.
 
 So, here is the code I have so far of making the temp object and
 making sure it is actually pulling one out. I still connot figure out
 how to access the getData() method.
 
 Any hints are appreciated.
 
 import java.util.Vector;
 
 public class StackUser
 {
 
 public static void main(String argv[])
 {
 
 Vector vector = new Vector();
 
 for (int i = 0; i < 100; i++)
 vector.add(i, new StackNode());
 
 System.out.println(vector.get(0));
 
 Object tobj = vector.get(0);
 
 System.out.println(tobj);
 
 }
 }
 
 public class StackNode
 {
 
 private int value = 0;
 
 public StackNode()
 {
 value = (int)(Math.random());
 }
 
 public int getData()
 {
 return value;
 }
 
 }
- 6
 - java tablesI'm writing an API and i'd like some help testing it.
 
 The API is designed to allow developers to create feature rich tables both
 server and client side.
- 7
 - objection?hi
 this website http://www.idiom.com/~zilla/Computer/javaCbenchmark.html
 say java is same as or sometime faster than C.
 But why swing is so slow?
 
 thanks
 from Peter (email***@***.com)
- 8
 - database search using LuceneI need example for database search using Lucene.
 
 I found many example Lucene with file but not on Database please guide
 me
 
 Thanks...
- 9
 - Help - Emulator package for clientsHi,
 
 I need to a put together a simple J2ME all-inclusive emulator package
 that a non-technical client can extract and run.
 
 I was able to do this with the old Sprint WTK (v2.0) by just including
 the appdb, lib and bin subdirectories with the jad & jar files nested
 in the bin folder.
 
 But, I'm no longer able to get this to work now that I've upraded to
 Sprint WTK 3.0
 
 Can someone suggest another emulator that allows you to neatly package
 an archive for a non-technical client?
 
 This is to present a game primarly developed for Sprint handsets.
 
 Thanks,
 
 Jeremy
- 9
 - Java applets and client-side ssl certificates?Applet Gurus,
 
 Is anybody out there doing Java applets and client-side ssl certificates?
 
 When I turn the requirement on in Apache, I get handshake failure errors
 when the applet tries to load. Certificates are installed in the web
 browser for the user's html browsing.
 
 Some of our customers are on locked down machines that don't allow
 "installation of software" but they jave jre 1.4.2 and Java Web Start.
 
 Considering using Java Network Launch Protocol (JNLP) or some other kind
 of applet based install but I think this would require a signed applet.
 This, in turn, would require a certificate to be installed beforehand
 (to validate the signed jar). Since our certs are all done in-house,
 I'm in a chicken/egg situation. All certificates are issued by an
 internal CA but are not easy to get for various reasons.
 
 Is there an easy way to mass-install certificates (to keystores) in a
 secure way without touching all the workstations?
 
 The applet/client-side certificates present four problems as I see it:
 1 handling the user's certificate securely
 2 Maintainig the internal CA and root certs
 3 Excessive prompting for multiple passwords to keystores
 4 Keystore security (Bouncy Castle libs are 1MB)
 
 Does anyone have any advice to give?
 
 Thanks
 Chuck
- 9
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- 10
 - no applicationshi guys
 
 ive installed the jdk on my xp system
 it will run applets, but when i try to run
 an application i get the following
 message in the command prompt window
 
 'Exception in thread "main" java.lang.NoClassDefFoundError:'
 
 the same programs work fine on the collage system, so
 it shouldn't be the code
 
 please help
 
 pat
- 11
 - poi hssf getCellStyle problemhey there,
 
 i have a big problem with those cellstyles. i want to add background
 color to some cells, but apparently i just can "change" cell styles
 from cells which already "have one".
 for better understanding of my problem, here's the code:
 
 for ( int i = 0; i <= rowcount; i++ ) {
 for (int j = 0; j <= colcount; j++) {
 HSSFRow row = s1.getRow((short)i);
 if (row != null) {
 HSSFCell cell = row.getCell((short)j);
 if (cell != null) {
 HSSFCellStyle style = cell.getCellStyle();
 style.setFont(font);
 style.setWrapText(true);
 style.setFillForegroundColor(colorIndex);
 
 if ( (j%4== 0) && (colorIndex ==
 HSSFColor.LIGHT_CORNFLOWER_BLUE.index) ) {
 colorIndex = HSSFColor.LEMON_CHIFFON.index;
 }
 else if ( (j%4== 0) && (colorIndex ==
 HSSFColor.LEMON_CHIFFON.index) ) {
 colorIndex =
 HSSFColor.LIGHT_CORNFLOWER_BLUE.index;
 }
 }
 }
 }
 }
 }
 
 this piece of code just works for cells, which already have attributes
 in their cell styles like background color and border. cells which
 just have a border and no color won't get the instructed color...
 
 does anybody know what to do? is the method cell.getCellStyle() not
 the best option in this case?
 
 best regards and thx in advance,
 manuela

Author

Message

Karsten Wutzke

Posted: 2008-3-19 15:51:00

Top

java-programmer, JTabbedPane selection changes Hello,

I couldn't find what would be the was to go to detect changes in a
JTabbedPane's selection...?

Can anyone give a hint please?

Karsten

Karsten Lentzsch

Posted: 2008-3-19 17:00:00

Top

java-programmer >> JTabbedPane selection changes Karsten Wutzke wrote:

> I couldn't find what would be the was to go to detect changes in a
> JTabbedPane's selection...?

Register a listener with its model, a SingleSelectionModel.
See JTabbedPane#getModel().

-Karsten

Index ‹ java-programmer

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- 7
 - A similar problemHi,
 I get a similar stack except that the exception is a ServletException.
 I can't figure this out at all. Here's the field validation declaration
 that I am trying to use.
 
 <field property="clientaPlannedRetirementAge" depends="validwhen"
 page="1">
 <arg position="0"
 key="lnra.clienta.clientaPlannedRetirementAge"/>
 <var>
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 <var-value>(clientaExpectedAgeAtDeath >90)</var-value>
 </var>
 
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 Thanks
 
 [ERROR] ServletException raised in AuthorizationFilter:
 javax.servlet.ServletException: antlr/TokenStream
 
 at
 com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:143)
 
 at
 com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
 
 at
 com.ibm.ws.webcontainer.servlet.ServicingServletState.service(StrictLifecycleServlet.java:333)
 
 at
 com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
 
 at
 com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
 
 at
 com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
 
 at
 com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
 
 at
 com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:1166)
 
 at
 com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:676)
 
 at
 com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:203)
 
 at
 org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1062)
 
 at
 org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
 
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 org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
 
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 org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:318)
 
 at
 org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
 
 at
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 at
 org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
 
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
 
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 
 at
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 at
 com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
 
 at
 com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
 
 at
 com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
 
 at
 com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
 
 at
 com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
 
 at
 com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
 
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 com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:76)
 
 at
 com.amfam.needsanalysis.authorization.AuthorizationFilter.doFilter(AuthorizationFilter.java:82)
 
 at
 com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:132)
 
 at
 com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:71)
 
 at
 org.securityfilter.filter.SecurityFilter.doFilter(SecurityFilter.java:182)
 
 at
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 com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:676)
 
 at
 com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:203)
 
 at
 com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:125)
 
 at
 com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:300)
 
 at
 com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
 
 at
 com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:120)
 
 at
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 at
 com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
 
 at
 com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
 
 at
 com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:652)
 
 at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:458)
 
 at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:936)
 
 - [AuthorizationFilter]
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 stopping the thread in the finalize() method won't work. Afaik this is
 also true for daemon threads.
 
 Is it possible to stop a thread automatically when there are no
 references left? In my case it does not matter if the thread is
 gracefully interrupted or just killed and whiped out.
 
 greets,
 -adi
- 11
 - FreeBSD Java porting project questionsHi all.
 I have some questions about this freebsd port.
 1)Why we need linux jdk, when building a native distr?
 Is that necesarily to build compiler with classes semultaneusly?
 2)What are you think about java (and of course jdk) future on freebsd.
 I saw freebsdfoundations last message dated last year, and nothing more.
 Doesnt project stop or going to?
 
 Thanks for all answers. I really interesting about this
 
 _______________________________________________
 email***@***.com mailing list
 http://lists.freebsd.org/mailman/listinfo/freebsd-java
 To unsubscribe, send any mail to "email***@***.com"
- 12
 - Tomcat can't find antRun scriptI've been developing a web site on XP and deploying it on Unix (Solaris)
 using
 Tomcat 4.0.6 on the Unix box.
 
 In the last deployment of my class files, I also moved some jar files to
 $TOMCAT/common/lib
 and made some changed to server.xml to implemnet connection pooling.
 
 Now Tomcat won't compile a JSP page giving the message:
 Cannot locate antRun script: property 'ant.home' not found.
 
 I can't figure out what I broke. Can anyone tell me where this
 ant.home property should be set and and/or where antRun should
 live? I (believe) I have restored the server.xml and jar files to their
 originals but I still have the problem.
 
 I appreciate your help in getting me un-stuck.
 
 jim cant
- 13
 - How do I receive SOAP Messages via HTTP from an App?Hi,
 
 I have a Java Application. It is both a socket server and a socket
 client. I can run the app on multiple computers and they can connect to
 each other.
 
 I can create SOAPMessages and use a SOAPConnection to send these
 messages to listening sockets on the other computers.
 
 I'm having trouble taking the received SOAP message as a byte stream
 and converting it to a Java SOAPMessage.
 
 How should I do this?
 
 I think I need an HTTP Server. Is this correct? Is there one included
 in the J2SE or J2EE classes?
 
 Thanks!
 John
- 14
 - MQ Series messages browse and deleteHi,
 
 I am writing an MQ client that should get messages from MQ Queue one
 by one and then delete it in case of successful processing.
 As documented in MQ Series Programming Guide a queue should be opened
 for browsing and removing. For browsing an option
 MQGMO_BROWSE_FIRST or MQGMO_BROWSE_NEXT should be used and for
 deleting MQGMO_BROWSE_MSG_UNDER_CURSOR.
 Browsing works fine for me but delete does not - all messages remain
 in a queue.
 
 Thanks
 
 Following is a code fragment:
 
 .................
 try {
 mQMgr = new MQQueueManager(remoteQManager);
 int openInputOptions = MQC.MQOO_FAIL_IF_QUIESCING |
 MQC.MQOO_INPUT_SHARED | MQC.MQOO_BROWSE;
 
 outputQueue=mQMgr.accessQueue(remoteQueue, openInputOptions);
 MQMessage retrievedMessage = new MQMessage();
 MQGetMessageOptions gmo=new MQGetMessageOptions();
 gmo.options=MQC.MQGMO_WAIT | MQC.MQGMO_BROWSE_FIRST;
 gmo.matchOptions=MQC.MQMO_NONE;
 gmo.waitInterval=10000;
 
 while(true) {
 if(c>0) { gmo.options = MQC.MQGMO_WAIT |
 MQC.MQGMO_BROWSE_NEXT; }
 outputQueue.get(retrievedMessage, gmo);
 msg=retrievedMessage.readString(retrievedMessage.getMessageLength());
 System.out.println("************************ message "+c+"
 ********************** " + retrievedMessage.persistence);
 System.out.println("RETRIEVED MESSAGE: "+msg);
 System.out.println("REMOVING
 .................................");
 gmo.options = MQC.MQGMO_WAIT |
 MQC.MQGMO_BROWSE_MSG_UNDER_CURSOR;
 outputQueue.get(retrievedMessage, gmo);
 
 c++;
 }
 } catch (MQException mqe) {
 if(mqe.reasonCode == mqe.MQRC_NO_MSG_AVAILABLE) {
 System.out.println("NO MORE MESSAGES AVAILABLE, RETRIEVED
 "+c);
 return;
 }
 mqe.printStackTrace();
 } catch (java.io.IOException ioe) {
 ioe.printStackTrace(System.out);
 return;
 } finally {
 try {
 System.out.println("CLOSING A QUEUE & MANAGER");
 if(outputQueue != null) { outputQueue.close(); }
 if(mQMgr != null) { mQMgr.disconnect(); }
 }
 catch (MQException ex) {
 ex.printStackTrace();
 }
 }
- 15
 - Connection PooledI want to use connection pool just like those mensioned in the following
 link but for MSSQL
 and MySQL. Do I have to depend on the vendor package?
 
 http://www.lc.leidenuniv.nl/awcourse/oracle/java.920/a96654/connpoca.htm#1057365
 
 SK