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Index ‹ java-programmer
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- 4
- new to java, need helpSirs/Madam
I encounter the problem on date field.
Sometimes, when there is no date, then it will return the null object. When
I want to check by
aDate.toString() = "" or null, it throws exception.
How can I ensure they return the value or not.
Please help
- 7
- Tomcat5.5 queryHi,
I have installed tomcat5.5.
In the tomcat docs it is recommended that i install Ant build tool as
well as Concurrent Version System (CVS) too.
Can someone tell me, how much neccesary are these to install and use?
How it can help me for developing my application?
- 7
- Mutliple thread access to object methodCan multiple threads access the same object public void method
simultaneously? Or does the method need to return for each thread? I guess
not because that's what public synchronized void is for?
- 9
- how does ANT work?On Fri, 11 Jul 2003, Roedy Green <email***@***.com> wrote:
> Does ANT work by parsing any changed file to discover the
> dependencies?
Depends on the task you are talking about. For most tasks, including
<javac> it does not. <javac> simply compares the timestamps of *.java
and *.class and compiles those files with outdated .class files.
<depend> in turn parses the compiled .class files to discover
dependencies, then compares the timestamps of .class files to the
.java files and deletes all .class files that are older then the .java
files of any class they depend upon. <javac>'s timestamp checking
after that is going to succeed then.
There are third party tasks like <javamake> - see Ant's external tools
page - that can do that in one step and are more sophisticated.
> Can it be relied on to recompile everything that needs it if a
> static final changes?
No.
And a static final primitive will be inlined by the compiler so even
<depend> will not detect the change (as it wouldn't detect the
dependency) - not sure whether <javamake> would.
> Is ANT smart enough to avoid loading the compiler over and over for
> each file; i.e. does it invoke it only once for the whole shot?
It will invoke the compiler exactly once per <javac> task (that
actually needs to compile at least one file).
Stefan
- 9
- Read-only methods for webservices with JavaBeansHello,
unfortunately i wrote this thread before in german, so i will do this
in english again.
Here we've got a standalone application which stores several data on
an SQL Server. In the last time we added a webservice to display and
sometimes modify several information from this data via webpages
(JSP). Many functions are already implemented and working fine. We
have webservicemethods returning objects stored in javabeans. To get
the data out of the beans, we have to use some get methods. Some data
is "READ-ONLY", so we don't want any set method there. The problem is:
If we don't write some "dummy" Set-Methods, wscompile will not
generate the needed get-Methods. We find that writing dummy-methods is
not a very fine way.
Is there another easy posibility to make the getMethods available for
the client without writing dummy set methods like this?
// That's what we don't need but have to write in order to make
wscompile ready to produce the getMethod
public void setName(String value) {}
// That's what we need only
public String getName()
{
return name;
}
Greetings and thnx a lot!
Andreas
- 10
- Query in Prepared statements cachingHii ,
I am using Db2 V 7.1 on ZOS
I have the following Java Code
query.append("insert into ");
query.append(schemaName+".EMAIL_DATA ");
query.append("(EMAIL_NBR, DT_FIRST_SENT,SUBJECT
,EMAIL_ADDR,EMAIL_DTL,ER_NBR, DT_CREATED,DT_LAST_SENT)
values(?,?,?,?,?,?,?,?) ");
prepStmt=connect.prepareStatement(query.toString());
I want to know whether the above query would be cached in the data
base server since apart from the using the standard ? to give various
parameters at runtime , I am also picking up the schema at runtime and
not hardcoding.
But obviously the schema name will remain the same for all the calls
to the DB.
I donno whether due to the usage of a Java Variable in the query at
runtime whether this will be cached or not ?
Can some one please throw some light on it ?
Regarda,
-Neeraj
- 10
- convert hex to longHey
midp 2.0
J2ME Wireless Toolkit 2.2
JDK 5
Long id;
String arg1 = "0b"; //arg1 can also have values like "01", "0a" etc
id = Long.parseLong(arg1);
This converting isn't working with "0b" or "0a"... but I've read in the
documentation of jdk5 that this parseLong is overloaded:
public static long parseLong(String s, int radix), and I guess this is the
correct method to use, but I'm not sure what the second parameter (radix) of
this method is?
Jeff
- 10
- SAX reserved XML char encoding/decodingHi,
Is there an option to get the Sax parser (java 1.5) to convert xml safe encoding
sequences back to the original character, as returned by the Contents() event?
For example "<" back to "<" ?
Thanks.
Ben
PS (and what's with comp.lang.java.api? - nothing seems to register there since
sept 2004. , including my post of this question there)
- 10
- stdout being redirected to an open file?All,
Does anyone know why text sent to stdout might intermittently get sent
to an open file? I have some code which writes data to a file and logs
its activity using log4j. On Friday, the log statements began to
intermittently appear in the file. I know the following things are
true:
* The code did not change
* The configuration did not change
* The log4j Logger is mapped only to a ConsoleAppender, i.e. log
statements are written only to stdout
* The name of the file is always unique
Here is the code:
//Create a unique filename for the order
filename = "Order " + orderId;
//Create the file
logger.info("Creating file " + fileName);
File file = new File(fileName);
FileWriter fw = new FileWriter(file);
logger.info("Writing File Content ");
fw.write(fileContent + System.getProperty("line.separator"));
logger.info("Closing File ");
fw.close();
It smells to me of an O/S or app server problem in which the file
handle for the open file is being provided for calls to stdout. Has
anyone ever seen this?
Thanks,
Brian
- 10
- simple beginners questionHello,
I just got the SUN Java IDE. (Netbeans IDE 3.5.1)
Very very nice, and I worked myself through the tutorial (about making a
colorswitch).
Now, When I compile it gives no errors at all. So far so good.
But when I want to execute, it askes to "set project main class".
The only option it displays is the default project. But the "okay" button
won't highlight.
I cannot select anything else, nor can I roam directories to select
anything.
Can someone please help me out.
I feel kinda silly not even knowing how to start a kind of hello-world
applet. ;-)
best regards,
martin
- 11
- Java programs won't install on HP machineTrying to gather as many details as I can on a particular problem I'm
having right now. Just wanted to post what I have so far in case
anyone out there sees a light go off.
My company sells a java (version 1.4.2) based software package. We
use InstallAnywhere to install. Really haven't had a problem with our
installs on any flavor of Win machines to date.
A customer running Win98 SE on an HP machine (I'll get a model # asap)
calls today and says the installation program hangs his machine
completely after extraction part of the install.
We look at some install log data and it indicates that everything
extracted to Windows temp folder ok. From there the log says "starting
java..."
My understanding is what should happen at this point is the install
process is supposed to start a bundled JVM (i assume in the contents
extracted to the temp folder) and run a .jar file that completes the
installation process. It hangs the machine shortly into this java
part though (the last thing it tried to do is "UI mode set
to"......and off to oblivion...
We eliminated some known issues at this point. Minimum direct X
version to run InstallAnywhere installs is 8.1. Customer has 9.0
installed. All Win updates complete. No viruses on machine.
Anti-virus software disabled for the install. No video driver issues.
These are all things InstallAnywhere tells you to watch for.
Additionally, the install file is not corrupted (same file installs
fine on another machine).
We thought we'd install a current JVM on the machine for sh*t's and
giggles because I believe InstallAnywhere will use it if present.
Downloaded the latest from Sun and the install hangs the machine in
the same manner as our IA installer.
This machine appears not to be able to run java programs at all. What
gives?
- 12
- Where can i download the local oracle client?Hi
I want to install oracle client in order to connect Oracle(9i)
database from local web server.I used to go to this
<a href="http://otn.oracle.com/software/index.html">oracle download
link </a>.But i dont know which is the suitable one.Could anyone tell
me?
Thanks
Ricky
- 14
- struts templates - template is inserted in wrong placeJust wondering if anyone else has run into this issue. I am using
templates in struts and I use the same template for every form. I
insert a page in one spot on my template file and it works fine on my
machine. When I upload it to the server, it suddenly starts inserting
the page about a quarter of the way down the template instead of where
it is defined to go. Has anyone else experienced this?
- 15
- Tomcat 5.5 - IIS 6 using isapi_redirect.properties
I am trying to use IIS 6.0 as a front end for Tomcat which I have
working as expected. The issue I have is that I can only get it
working using the registry settings and not using
isapi_redirect.properties. We will have several sites and I want them
to independent of each other and I am not sure how to do this without
using the isapi_redirect.properties files. Please advise. Thanks in
advance.
- 15
- Chennai - Java/J2EE Urgent RequirementGreetings,
One of the leading software development company is looking for
java/j2ee professional urgently. Interested candidates forward your
resume immediately to email***@***.com
You will be receiving call as soon as you send your resume.
All the best
TimesTickets.Com Team
|
| Author |
Message |
brightoceanlight
|
 Posted: 2005-8-5 16:47:00 |
Top |
java-programmer, Squeeze tabs closer together in JTabbedPane??
Is there a way to squeeze the tabs closer together in a JTabbedPane? I
noticed there is some free space in the tab itself to the right of the
text in the tab. Don't want to overhaul the look of the GUI. Just want
to move the tabs closer together. An option I thought of, don't know
if it's the best, is to make the tab text image icons and show the
icons instead of text. Don't know if this will free up space.
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Thomas Fritsch
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| Posted: 2005-8-6 1:42:00 |
Top |
java-programmer >> Squeeze tabs closer together in JTabbedPane??
email***@***.com wrote:
> Is there a way to squeeze the tabs closer together in a JTabbedPane? I
> noticed there is some free space in the tab itself to the right of the
> text in the tab. Don't want to overhaul the look of the GUI. Just want
> to move the tabs closer together. An option I thought of, don't know
> if it's the best, is to make the tab text image icons and show the
> icons instead of text. Don't know if this will free up space.
>
Yes, I'm pretty sure that it would free some space. Just try out the
various JTabbedPane#addTab methods.
Another option might be setting a smaller font onto the JTabbedPane, for
example: yourTabbedPane.setFont(Font.decode("Dialog-9"));
--
"Thomas:Fritsch$ops:de".replace(':','.').replace('$','@')
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Vova Reznik
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| Posted: 2005-8-6 2:08:00 |
Top |
java-programmer >> Squeeze tabs closer together in JTabbedPane??
email***@***.com wrote:
> Is there a way to squeeze the tabs closer together in a JTabbedPane? I
> noticed there is some free space in the tab itself to the right of the
> text in the tab. Don't want to overhaul the look of the GUI. Just want
> to move the tabs closer together. An option I thought of, don't know
> if it's the best, is to make the tab text image icons and show the
> icons instead of text. Don't know if this will free up space.
>
Check out UIManager.get("TabbedPane.tabAreaInsets");
UIManager.get("TabbedPane.tabInsets");
By default tabInsets is (2, 2, 0, 6), there 6 = right
You can set those properites (java.awt.Insets).
Don't forget to call SwingUtilities.updateComponentTree(Component);
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brightoceanlight
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| Posted: 2005-8-6 18:46:00 |
Top |
java-programmer >> Squeeze tabs closer together in JTabbedPane??
Thanks for the replies!
>Check out UIManager.get("TabbedPane.tabA璻eaInsets");
> UIManager.get("TabbedPane.tabI璶sets");
>By default tabInsets is (2, 2, 0, 6), there 6 = right
>
>You can set those properites (java.awt.Insets).
>Don't forget to call SwingUtilities.updateComponent璗ree(Component);
>
How can I change the settings? There isn't a set() command for the
UIManager??
Thank you,
Gil
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IchBin
|
| Posted: 2005-8-6 20:34:00 |
Top |
java-programmer >> Squeeze tabs closer together in JTabbedPane??
email***@***.com wrote:
> Thanks for the replies!
>
>> Check out UIManager.get("TabbedPane.tabA璻eaInsets");
>> UIManager.get("TabbedPane.tabI璶sets");
>> By default tabInsets is (2, 2, 0, 6), there 6 = right
>>
>> You can set those properites (java.awt.Insets).
>> Don't forget to call SwingUtilities.updateComponent璗ree(Component);
>>
>
> How can I change the settings? There isn't a set() command for the
> UIManager??
>
> Thank you,
>
> Gil
>
Because it is a put
public static Object put(Object key, Object value)
Check the UIManager in the SDK.
--
Thanks in Advance...
IchBin, Pocono Lake, Pa, USA http://weconsultants.servebeer.com
__________________________________________________________________________
' If there is one, Knowledge is the "Fountain of Youth"'
-William E. Taylor, Regular Guy (1952-)
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Index ‹ java-programmer |
- Next
- 1
- JavaMail sending problem and solutionI had chronic problems with sending email via smtp. I could sign in
via a mail client and send to a remote user just fine, but JavaMail
refused to send to any but local users, citing a 550 relaying problem.
All of the references I could find on the web told me to talk to my
mail admin, but I'm he and I also knew that if my mail client could do
it, so could I.
This solution requires that you log into the mail server as a normal
email user - you will have to create an (or use an existing) account.
You turn on smtp authorization by setting the a property you pass in
to get a session: the property is mail.smtp.auth and you set it to
"true". Then you create an Authenticator that returns a
PasswordAuthentication with your username and password in it.
Here's an excerpt of working code:
Authenticator authenticator = new Authenticator() {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(FROM, PASSWORD);
}
};
Session mailSession = Session.getInstance(getMailProperties(),
authenticator);
Message email = new MimeMessage(mailSession);
try {
email.setFrom(new InternetAddress(FROM));
email.setSentDate(new Date());
email.setRecipients(Message.RecipientType.TO,
stringsToInternetAddresses(to));
email.setRecipients(Message.RecipientType.CC,
stringsToInternetAddresses(cc));
email.setRecipients(Message.RecipientType.BCC,
stringsToInternetAddresses(bcc));
email.setSubject(subject);
email.setText(body);
Transport.send(email);
retval = true;
} catch (Exception e) {
}
My getMailProperties includes the following:
mail.smtp.host=some.mail.host.com
mail.smtp.auth=true
I just post this here for posterity so maybe someone else doesn't go
through the hell I did to figure this out :)
- 2
- Running Ant from BATCH FILESHi
Does anyone know is it possible to conditionally continue with a batch
file depending on the result of an ant script.
I want to only continue with the batch file if the ant command was
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- 3
- Ajallerix : AJAX, simple, fast Web image gallery demo ; at Novellhttp://www.web20developers.com
http://www.web20developers.com/index.php?option=com_content&task=view...
Ajallerix : AJAX, simple, fast Web image gallery demo ; at Novell
AJAX - microlink pattern tutorial : A microlink is a link that opens up
content below it.
Ajax BBC News RSS Reader : demo by Nigel Crawley
AJAX Chat in Python with Dojo : at AquaAjax
Ajax Chess : multiplayer chess
Ajax examples at BackBase : examples demonstrating several aspects of
the Backbase technology.
Ajax examples at Rico : Inner HTML, JavaScript updater etc.
Ajax examples using ColdFusionMX, SQLServer, SOAP : Contact Manager,
NOAA 7 Day Forecast code and demos.
Ajax Feed TV : News feed
Ajax inline dictionary : Highlight any text on this site then right
click. A tooltip containing the definition of the selected word should
show up.
Ajaxload : Ajax loading gif generator.
Ajax Login Demo : Creating a secure login system using XMLHttpRequest
Ajax Newsletter Signup : A newsletter signup form that shows Thank You
on the same page.
ajaxProject : Project Management applicaiton with rich UI
Ajax Rater : A star rating system that uses Ajax.
AJAX-S : An Ajax-based slideshow system.
AJAX Spell Checker : spell check text / form content.
Ajax Toolbox : Tools for the Ajax Developer
Amazon Catalog Tree : Amazon Catalog Tree
Amazon Zuggest : Amazon product suggestion (like google suggest)
Askeet by symfony : Digg-like AJAX interactions; open source
Backbase - Ajax Demos : Ajax demos at BackBase
Basic Ajax Examples : Ping, track changes, drop down, Google suggest
hack etc at Clearnova
Behaviour : Fading lists, Sortable lists, Dropout boxen, Shaky lists
chat.app : ajax chat
Chihuahua Word Puzzle : daily word puzzles
Coloir : Ajax Slideshow
DHTML arcade/action games : a collection that demonstrate the power of
DHTML
DomAPI : Windows Desktop, Outlook-like, RSS Reader
Drag and Drop Shopping Cart Demo : at CyberDummy
Easy AJAX inline text edit 2.0 : edit a piece of text inline
Gmail Style Check Username AJAX Demo : at CyberDummy
Google Web Toolkit Example Projects : Hello World, Dynamic Table,
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GreyBox : Pop up window using idea of light box.
FiftyFourEleven: Ajax Examples
IntuiCat - ajax Catalogue : Ajax-based Catalogue Demo
jsLINB programming demos : LINB(Lazy INternet and Browser)
JSlog : Ajax logging tool.
JS/UIX Unix Shell : JS/UIX is an UN*X-like OS for standard
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Lace : free web chat application
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Leightbox : Light Box with inline div's instead of AJAX calls.
Live Quote Demo : Simple way of creating an updating stock quote table
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Magnetic Poetry : drag and drop poetry
Metatron Chat Engine : PHP/MySQL/JavaScript powered chat engine
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Orbeon examples : various examples illustrating the capabilities of
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OVO Suite : Online Virtual Office : virtual office limited demo
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- 4
- JAXB unmarshalling - missing referenced objectsHi
I've come upon a problem which I just can't figure out.
So, here's a little about the context. An enterprise-application is
running on a Java EE-server. Some POJOs are annotated as Java
Persistence entities aswell as JAXB-annotations to create wanted XML-
representation for them. All annotations are added manually (meaning
no auto-generated classes/factory). A Servlet acts as an interface
against an Ajax-enabled webpage. The script in the web-page retrieves
xml-representation from the servlet and should also send xml back on
the same form for persisting on the server. The script returns the xml
in string-representation.
And here's the problem. Marshalling to xml works just as it should.
The script returns an xml in the exact same form, but the
unmarshalling of it does not produce what is expected. An object for
the main class is created, however any referenced objects are not
created. Primitive fields are generated correctly. No error is thrown.
Simplified, this is how it looks:
---List.java---
@XmlRootElement(name="list")
@XmlType(name="ListType")
@Enitity //JPA
public class List implements Serializable {
private Long id;
private weekNumber;
private Set<Element> elements;
@XmlAttribute(name="weeknumber", required=true)
public void getWeekNumber() {
//...
}
@XmlAttribute(name="id", required=true)
public void getId() {
//...
}
@XmlElementWrapper(name="elements", nillable=false)
@XmlElementRef
@ManyToMany( //JPA
//...
)
public void getElements() {
//...
}
}
---Element.java---
@XmlRootElement(name="element")
@XmlType(name="ElementType")
public class Element implements Serializable {
//...
private Long id;
@XmlAttribute(name="id", required=true)
public void getId() {
//...
}
//...
}
---xml---
<?xml .....>
<ns2:list ..... weeknumber="3" id="21">
<elements>
<ns2:element ... id="42">
...
</ns2:element>
<ns2:element ... id="43">
...
</ns2:element>
...
</elements>
</ns2:list>
In this example, a List-object would be created by the unmarshaller,
however the referenced elements of class Element will not. And I have
no idea why! The package contains a jaxb.index with all class names,
and I also added an ObjectFactory, but the result was the same. Here's
the unmarshalling:
private <T> T recieve(Class<T> classType, String xml) {
JAXBElement<T> obj = null;
try {
JAXBContext jc =
JAXBContext.newInstance(classType.getPackage().getName());
Unmarshaller um = jc.createUnmarshaller();
obj = (JAXBElement<T>)um.unmarshal(new StreamSource(new
StringReader(xml)));
} catch(JAXBException jex) {
jex.printStackTrace();
}
return obj.getValue();
}
I hope someone has something wise to say about this. I've really
twisted my brain to try to figure it out!
Thanks.
- 5
- Learn Java Programming Language Onlinehttp://learnjava.awardspace.com
This site includes JAVA lessons from the beginning to advanced level.
So this site appropiates for the beginner or non-basic of Java
language.
Guidelines:
1.Introduction 2.Fundamental Programming Concept 3.Decisions
4.Applets&Graphics 5.Introduction to Classes 6.Methods
7.Arrays&Vectors 8.Inheritance&Interfaces 9.Streams and Exceptions
10.Event Handling
- 6
- Thinking in terms of Objects.Hello all,
I come from a background of Unix C-shell, WIN .bat programming and am
entirely new to the concepts of Object-Oriented programming.
I'm having a hard time geting the concept of 'objects', 'classes',
'why to use them', 'when to use them' etc. I have bought couple of
books on OOPS, but they dont tell me why I should use objects and not
the regular 'functions' or whats the diff. between the two.
I'm sure a lot of people out there would've had a similarly
frustrating experience when making the switch from Structural to
Object-oriented, like the switch from C to C++ or the first time OOPS
was introduced in Visual Basic or Perl. I'm interested to know about
your experiences during the transistion and what you had to do?
Also, for starters, I've made couple of home-grown definitions of what
I think are OOPS fundamentals. Could you please tell me if I'm on the
right track?
1. Objects are glorified functions:
Ojects are just like functions, as in, you have a code-block you think
might have to be repeated over and over again in your program. Might
as well write it once and keeping using it. Objects are these
code-blocks.
2. Objects are user-defined data-types:
Objects are just like int, float, double etc., but you get to define
them!
User defines what sort of data and its attributes an object has holds.
I know they are defined in a gazillion different ways but, is this a
good way to start? Did I miss any other fundamental concepts of
Objects?
Another thumb-rule I'm thinking of implementing till I get a hang of
the Objects: Always try to objectify every darn piece of executable
statement as a first resort.
Your comments, please.
Also, any books/URLs you'd recommend for the absolute beginner in
Objects( with reference to Java, especially).
Thanks for your time,
Reddy
- 7
- NIO slow (no buffering?)Hi!
I probably yet don't understand some fundamental things about NIO. The
following code is painfully slow (8sec. for a 6MiB file):
final FileChannel in = new FileInputStream( f ).getChannel();
final ByteBuffer token = ByteBuffer.allocate( 4 );
while( in.position() < in.size() )
{
in.read( token );
final String s = new String( token.array() );
token.flip();
}
What am I doing wrong?
- 8
- comments when decompilingAnother newbie question:
When I decompile Java bytecode, will my comments come back through?
Makes sense that they woudln't, but I just wanted to check.
- 9
- BDK for J2SDK 1.4 onwardsDoes anybody know about BDK for J2SDK 1.4 onwards?
If yes please let me know the website or downloads
Regards
MAnjiri
- 10
- Random Access On a TableHi,
I've got a problem with 2 open Dataset:
That's I had opened a table running an SQL command like this "SELECT *
FROM XXX WHERE YYY=ZZZ" and i want to access to another table with the
keys came from previous ResultSet; BUT I dont want to run an SQL
command ; I'm looking for a command like
setnearest(keylist,keylist,...) then I want read the second table with
a while loop ( ex. (while !eof(second_table))).
Is there a way for me ;)
Thx in advance;
- 11
- Apache Project Xalan XML/XSLT Processor Is Good, But Its Extension Not Work on Netscape/IEFirst, let me say I couldn't find a group discuss
XML/XSLT. So I only choose the closest groups to
post this message.
Here is part of my *.xsl file
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xalan="http://xml.apache.org/xalan"
xmlns:my-javascript-ext="my-ext1"
extension-element-prefixes="my-javascript-ext"
version="1.0">
<xalan:component prefix="my-javascript-ext" elements="whichever"
functions="hello">
<xalan:script lang="javascript">
function hello(w) {
return ("Hello " + w + "!");
}
</xalan:script>
</xalan:component>
....
<xsl:if test="function-available('my-javascript-ext:hello')">
<xsl:value-of select="my-javascript-ext:hello('World')" />
<br></br>
</xsl:if>
....
And this is part of my *.xml file:
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<?xml-stylesheet type="text/xsl" href="http://myHostName/XML/myfile.xsl" ?>
....
This is working greate for an XML file iff (if only if) I type
java org.apache.xalan.xslt.Process -in myfile.xml -xsl myfile.xsl
or
java org.apache.xalan.xslt.Process -in myfile.xml
That is wonderful, when I set CLASSPATH with
/usr/local/xalan/bin/xalan.jar:/usr/local/xalan/bin/bsf.jar:/usr/local/xalan/bin/js.jar
So I can make my own extension to call my JavaScript functions and/or
Java Class methods inside a XSL file with XALAN Processor.
But unfortunaely this will NOT work on Netscape, Firefox, IE browsers,
even all these browser support XML/XSLT.
Anyone has some idea how should I make Apache Project XALAN's extension
work on a browser?
Thank Q!
- 12
- Layout in J2ME, MIDP 2.0Hi,
I wrote a little Midlet and want to have a StringItem and a TextField
next to each other, i.e. they should be in the same row. After
considering MID Profile I coded my Midlet as listed below.
So in my understanding they should be in the same row. The only
condition, which I cannot be sure of is "this Item has a LAYOUT_LEFT,
LAYOUT_CENTER, or LAYOUT_RIGHT directive that differs from the Form's
current alignment." (MIDP, class Form).
But how can I set the directive of a Form? Or did I misunderstand sth?
Why are the two items not in ONE row?
Thanks in advance!
Best regards, Franz
---BEGIN CODE---
public class Layout extends MIDlet implements CommandListener {
private Display display;
private Form form;
private Command EXIT;
public Layout() {
display = Display.getDisplay(this);
}
public void startApp() {
form = new Form("LayoutTest");
EXIT = new Command("Exit", Command.SCREEN, 1);
StringItem s1 = new StringItem("", "Eingabe:");
TextField tf1 = new TextField("", "", 20, TextField.ANY);
tf1.setLayout(TextField.LAYOUT_2);
form.append(s1);
form.append(tf1);
form.addCommand(EXIT);
form.setCommandListener(this);
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command command, Displayable
displayable) {
if(command == EXIT) {
destroyApp(false);
notifyDestroyed();
}
}
}
---END CODE---
- 13
- Differences between getImage and createImage and using ToolkitHello,
What are the differences between getImage and createImage,
and what if I want using toolKit - (getImage and createImage are static,
and I didn't find a way to create an Image object from a function of
toolkit).
I need a sample code, please.
Thanks :)
- 14
- BufferedInputStream vs BufferedReaderHas anyone done any experiments on which is preferable -- putting your
buffering at the BufferedInputStream level or the BufferedReader level
when you have a Reader?
--
Roedy Green Canadian Mind Products
The Java Glossary
http://mindprod.com
- 15
- Tomcat 4.1.29 connectors on Linux problem ?
Hallo,
I have very strange problem with apache/mod-jk/tomcat installation
on Linux. I have installed very simple test servlet HelloWorld.class.
Well when I try to do some easy stability test and I call this
servlet from the same IE browser session more times I bring whole
tomcat to the state when it is not responding any more, even other
servlets from other sessions are not served. I have allready tried to
change acceptCount= and connectionTimeout= (even 0,-1) in server.xml
but without any satisfactionary results. Only the complete restart of
tomcat helps afterwards (!).
Thanks
Jan Kopinec
<Server port="8005" shutdown="SHUTDOWN" debug="0">
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
debug="0"/>
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>
<Service name="Tomcat-Apache">
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8009" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="300" debug="0" connectionTimeout="5000"
useURIValidationHack="false"
protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
<!--
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8080" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="300" debug="0" connectionTimeout="5000"
useURIValidationHack="false" disableUploadTimeout="true" />
-->
<Engine name="Standalone" debug="0" defaultHost="localhost">
<Logger className="org.apache.catalina.logger.FileLogger"
directory="/var/log/jakarta/" prefix="apache_log." suffix=".txt"
timestamp="true"/>
<Host name="localhost" debug="0" appBase="/home/tomcat"
unpackWARs="true" autoDeploy="true">
<Context path="/test" docBase="test" debug="0"
reloadable="false" crossContext="true">
<Logger className="org.apache.catalina.logger.FileLogger"
directory="/var/log/jakarta/" prefix="localhost_test_log."
suffix=".txt"
timestamp="true"/>
<ResourceLink name="linkToGlobalResource"
global="simpleValue"
type="java.lang.Integer"/>
</Context>
</Host>
</Engine>
</Service>
</Server>
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