| Questions about porting a Java application |
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Index ‹ java-programmer
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- 1
- dragging a transparent JFrameI'm able to get a transparent JFrame using java 1.4+ on Mac OS X. I
simply set the JFrame's background to a transparent color. However,
with a transparent color (any alpha component less than 255), when I
drag within the JFrame (not the titlebar), it drags the entire JFrame
with it. This makes for unexpected results when dragging an object
within the JFrame that also drags the entire JFrame.
Any ideas?
- 1
- Error handling java GUILet's say that I'm reading the inputs from a TextField widget:
JTextField jt = new JTextField(20);
String text = jt.getText();
if ( !text.equals("OK") )
{
// print some error message to the user
}
If the input is bad, I want to print some error message to the user but
at the same time I don't want to exit my GUI. How do I do that? Should
I be using exceptions? Can someone point me to some sample codes
somewhere on how error handling is performed in JAVA?
Thanks
Thierry
- 2
- JDK + SDKHi,
why i need JDK and JRE together. I don't understand it:
1. I can install JDK + JRE in a packet on my maschine. So i have two Folders
JDK1.5.0_06 and JRE1.5.0_06
2. only JDK
3. only JRE
If i install JDK so there is a folder in it with JDK1.5.0_06/jre/ there the
JRE ist include.
So why i must install jre separately? I want to that my browser must be use
this included jre in jdk !!!
There is the diffrent between?
thx a lot
AdrianP
- 9
- Variable scope access questionHi,
I am not sure my question is valid or not. It is the following:
public class MyClass {
public void doA() {
int num = 10;
doB();
//Now, num value has been changed
}
public void doB() {
//I need to access and change the value num inside doA. But I don't
know how to do it.
}
}
Is this possible? Thank you for your help.
- 11
- 11
- Question about Master and Working Memory from Chapter 17 of the Java Language SpecificationOk the following is from Chapter 17 of the Java Language
Specification.
"A variable is any location within a program that may be stored into.
This includes not only class variables and instance variables but also
components of arrays. Variables are kept in a main memory that is
shared by all threads. Because it is impossible for one thread to
access parameters or local variables of another thread, it doesn't
matter whether parameters and local variables are thought of as
residing in the shared main memory or in the working memory of the
thread that owns them.
Every thread has a working memory in which it keeps its own working
copy of variables that it must use or assign. As the thread executes a
program, it operates on these working copies. The main memory contains
the master copy of every variable. There are rules about when a thread
is permitted or required to transfer the contents of its working copy
of a variable into the master copy or vice versa."
Does this mean that, say, in the following code, there are two working
copies of the integer variable X (one belonging to aThread and one
belonging to bThread) and one master copy?
public class TestThread {
public static void main(String[] args) {
aClass a = new aClass();
Thread aThread = new Thread( a );
Thread bThread = new Thread( a );
aThread.start();
bThread.start();
}
}
class aClass implements Runnable{
int X;
public void run( ) {
while (true) {update();}
}
synchronized void update(){
X++;
}
}
- 12
- Why Java's math expression (power) is so inconvenient and error prone?Hi,
My program need a lot of calculation of power. In many programming
languages,
2**3 = 8; //or
2^3 = 8;
The syntax is clean and easy. But in Java,
Math.pow(2, 3) = 8; //It is so long, and complicated and error prone
Again, in many languages,
EXP(1) = 2.7 //e value
But in Java,
Math.pow(Math.E, 1) = 2.7 //You see, so complicated
Normally, in one calculation, 2**3 or EXP(3.5) is only part of
expression, like "a + b**3 + EXP(-a)". In Java, it will be very long and
error prone!
- 12
- Backing up databasesI am looking to write some basic scripts to back-up various files and
databases as well as restore them. Do you think this would be easier
and better to do using Ant or Ruby?
I would appreciate any insight available.
Thanks!
- 12
- IE7 BetaI can not get JAVA to run in IE7 Beta. Actually, it didn't run under IE6
either. I've exhausted my limited knowledge already. Any advice? Links?
- 12
- Known problem with JComboBox?Hi,
just wondering if this is a known problem:
I have to set JComboBox.setLightWeightPopupEnabled(false) due to the
constellation of my framework.
Now the scrollbar of the combo won't be updated as long as the box is
entirely displayed within my JFrame. As soon as part of it is out of the
window the scrollbar will work.
What's that all about? Is there a "semi lightweight mode" or something like
that?
Thanks.
Ren?
- 13
- Which IDE?Hello
I am a newbe to Java and to programming.
I am looking for an IDE which I can:
Download free from the net
Have a good documentation and tutorials
Be able to get sum help on the compiler itself on this group (or any other
newsgroup)
----
Elisha Dvir
052-3738817
- 13
- 13
- Problem about generics and class arrayCan somebody explains why the last line of code doesn't compile ?
public class TestClassArray {
private static class A {
}
private static class B extends A {
}
Class[] rawClasses = { B.class }; // warning
Class<?>[] wildcardsClasses = { B.class };
// error : Cannot create a generic array of Class<? extends
TestClassArray.A>
Class<? extends A>[] upperBoundClasses = { B.class };
}
- 14
- Mars CoordinatesDoes anyone know how to convert (x,y) position of the mouse on a map
of Mars to the coordinates of Mars. I know there's a class in java
that is called Coordinate but i don't know how it works.
- 16
|
| Author |
Message |
mriem
|
 Posted: 2004-10-7 22:18:00 |
Top |
java-programmer, Questions about porting a Java application
Hi all,
I have a Java application that I want to port and I have read the better
part of [1]. The application that I want to port unfortunately has a
specific structure that does NOT make it possible to adhere to the
practices. What is the general thing to do in such a case?
As far as I can tell from the Win32 starter script for the application it
insists on an application
directory with the following structure
INSTALL-DIR
|
+---- bin
|
+---- doc
|
+---- lib
Any advice about this?
Kind regards,
Manfred Riem
email***@***.com
[1] Porter's Handbook - Using Java - Best practices
http://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/using-java
.html#JAVA-BEST-PRACTICES
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hq
|
| Posted: 2004-10-7 22:35:00 |
Top |
java-programmer >> Questions about porting a Java application
Manfred,
I don't know if the INSTALLDIR/doc is mandatory, but I'll assume it's
not. Hence, I would do the following:
- install 'INSTALL-DIR/bin/*' in ${JAVASHAREDIR}/${PORTNAME}/bin/
- install 'INSTALL-DIR/lib/*' in ${JAVASHAREDIR}/${PORTNAME}/lib/
- install 'INSTALL-DIR/*' in ${JAVASHAREDIR}/${PORTNAME}/
- install 'INSTALL-DIR/doc/*' in ${DOCSDIR}/
- symlink ${JAVASHAREDIR}/${PORTNAME}/bin/<executable_script> in
${PREFIX}/bin.
I'm not sure about the last point though. Maybe it's even more simple to
install directly in ${PREFIX}/bin if the application allows it.
Herve
On Thu, Oct 07, 2004 at 09:17:58AM -0500, Manfred N. Riem wrote:
> Hi all,
>
> I have a Java application that I want to port and I have read the better
> part of [1]. The application that I want to port unfortunately has a
> specific structure that does NOT make it possible to adhere to the
> practices. What is the general thing to do in such a case?
>
> As far as I can tell from the Win32 starter script for the application it
> insists on an application
> directory with the following structure
>
> INSTALL-DIR
> |
> +---- bin
> |
> +---- doc
> |
> +---- lib
>
> Any advice about this?
>
> Kind regards,
> Manfred Riem
> email***@***.com
>
> [1] Porter's Handbook - Using Java - Best practices
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/using-java
> .html#JAVA-BEST-PRACTICES
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Index ‹ java-programmer |
- Next
- 1
- jsp:multiple file/directory uploadHello i want to upload mutliple files at a time in jsp
i.e want to upload whole directory or folder at one go
is there any way to do this if any one knows plz let me know
thanks in advance
- 2
- new error building jdk14I've been having quit a bit of difficulty getting jdk14 built on my new
machine. I think this is a heretofore unreported error.
uname -a output:
FreeBSD new.cognitiongroup.biz 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Sun
May 8 07:00:26 UTC 2005
email***@***.com:/usr/obj/usr/src/sys/GENERIC amd64
The build crashes when it tries to compile interpreterRT_i486.cpp
because it has some ABSTRACT methods defined. I'm shocked that the
build would break because it generates code that can't be compiled.
But, I suspect it's a setting, configuration file, or something simple
because others seem to be getting their jdk14 compiled fine.
Here's the abridged build output:
==============================================================
===> Vulnerability check disabled, database not found
LIBC_R TEST PASSED: All Ok
IMPORTANT: To build JDK 1.4.2 port, you should have at least
1.7Gb of free disk space in build area!
IMPORTANT: To build JDK 1.4.2 port, you should have linux emulation
enabled in the kernel and linux procfs (linprocfs) filesystem
mounted.
Following port compile time options are available:
WITH_DEBUG - install JDK binaries and libraries
with debuging support
MINIMAL - don't build/install mozilla java
plugin, javaws and JDK demos
WITH_IPV6 - enable JDK IPv6 support
===> Extracting for jdk-1.4.2p7
=> Checksum OK for j2sdk-1_4_2-src-scsl.zip.
=> Checksum OK for j2sdk-1_4_2-bin-scsl.zip.
=> Checksum OK for bsd-jdk14-patches-7.tar.gz.
===> jdk-1.4.2p7 depends on executable: zip - found
===> jdk-1.4.2p7 depends on executable: unzip - found
===> Patching for jdk-1.4.2p7
Hmm... Looks like a unified diff to me...
The text leading up to this was:
<snip: patching output>
WARNING: Your build environment has the variable DEV_ONLY
defined. This will result in a development-only
build of the J2SE workspace, lacking the documentation
build and installation bundles.
Sanity check passed.
/bin/mkdir -p ../build/bsd-amd64/hotspot-amd64/tmp
(cd ./../build/bsd-amd64/hotspot-amd64/tmp; \
gmake -f /usr/ports/java/jdk14/work/hotspot/build/bsd/Makefile product \
HOTSPOT_BUILD_VERSION=1.4.2-p7-rschilling_04_nov_2005_11_18
LP64=1 GAMMADIR=/usr/ports/java/jdk14/work/hotspot ; )
gmake[1]: Entering directory
`/usr/ports/java/jdk14/work/control/build/bsd-amd64/hotspot-amd64/tmp'
sh /usr/ports/java/jdk14/work/hotspot/build/bsd/makefiles/buildATree.sh
compiler2 /usr/ports/java/jdk14/work/hotspot bsd i486
(cd bsd_i486_compiler2/product; gmake)
gmake[2]: Entering directory
`/usr/ports/java/jdk14/work/control/build/bsd-amd64/hotspot-amd64/tmp/bsd_i486_compiler2/product'
Removing ../generated/includeDB.current to force regeneration.
cd ../generated; cat
/usr/ports/java/jdk14/work/hotspot/src/share/vm/includeDB_core
/usr/ports/java/jdk14/work/hotspot/src/share/vm/includeDB_gc
/usr/ports/java/jdk14/work/hotspot/src/share/vm/gc_implementation/includeDB_gc_parallelScavenge
/usr/ports/java/jdk14/work/hotspot/src/share/vm/gc_implementation/includeDB_gc_shared
/usr/ports/java/jdk14/work/hotspot/src/share/vm/includeDB_ci
/usr/ports/java/jdk14/work/hotspot/src/share/vm/includeDB_compiler2 >
includeDB
cd ../generated; if [ ! -r incls ] ; then \
mkdir incls ; \
fi
cd ../generated; /usr/local/linux-sun-jdk1.4.2/bin/java -classpath .
MakeDeps diffs UnixPlatform platform.current includeDB.current
/usr/ports/java/jdk14/work/hotspot/build/bsd/platform_i486 includeDB
-firstFile functionAtStart.cpp -lastFile functionAtEnd.cpp
Old database:
computing closures
New database:
reading database: includeDB
computing closures
Deltas:
updating output files
The order of .c or .s has changed, or the grand include file has changed.
writing individual include files
creating functionAtStart.cpp
creating accessFlags.cpp
creating allocation.cpp
creating aprofiler.cpp
creating arguments.cpp
<snip: some output deleted due to length>
creating functionAtEnd.cpp
writing grand include file
writing dependencies file
cd ../generated; cp includeDB includeDB.current
cd ../generated; cp
/usr/ports/java/jdk14/work/hotspot/build/bsd/platform_i486 platform.current
gmake[3]: Entering directory
`/usr/ports/java/jdk14/work/control/build/bsd-amd64/hotspot-amd64/tmp/bsd_i486_compiler2/product'
<snip: more build output omitted, the error is next>
Compiling
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interp_masm_i486.cpp
Compiling
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp:
In static member function `static void
SignatureHandlerLibrary::add(methodHandle)':
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp:83:
error: cannot allocate an object of type
`InterpreterRuntime::SignatureHandlerGenerator'
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp:83:
error: because the following virtual functions are abstract:
/usr/ports/java/jdk14/work/hotspot/src/share/vm/runtime/signature.hpp:283:
error: virtual void NativeSignatureIterator::pass_float()
/usr/ports/java/jdk14/work/hotspot/src/share/vm/runtime/signature.hpp:284:
error: virtual void NativeSignatureIterator::pass_double()
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp:
In static member function `static u_char*
InterpreterRuntime::slow_signature_handler(JavaThread*, methodOopDesc*,
jint*, jint*)':
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp:156:
error: cannot allocate an object of type `SlowSignatureHandler'
/usr/ports/java/jdk14/work/hotspot/src/cpu/i486/vm/interpreterRT_i486.cpp:156:
error: because the
following virtual functions are abstract:
/usr/ports/java/jdk14/work/hotspot/src/share/vm/runtime/signature.hpp:283:
error: virtual void NativeSignatureIterator::pass_float()
/usr/ports/java/jdk14/work/hotspot/src/share/vm/runtime/signature.hpp:284:
error: virtual void NativeSignatureIterator::pass_double()
gmake[3]: *** [interpreterRT_i486.o] Error 1
gmake[3]: Leaving directory
`/usr/ports/java/jdk14/work/control/build/bsd-amd64/hotspot-amd64/tmp/bsd_i486_compiler2/product'
gmake[2]: *** [the_vm] Error 2
gmake[2]: Leaving directory
`/usr/ports/java/jdk14/work/control/build/bsd-amd64/hotspot-amd64/tmp/bsd_i486_compiler2/product'
gmake[1]: *** [product] Error 2
gmake[1]: Leaving directory
`/usr/ports/java/jdk14/work/control/build/bsd-amd64/hotspot-amd64/tmp'
gmake: *** [product] Error 2
*** Error code 2
Stop in /usr/ports/java/jdk14.
==============================================================
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- 3
- short circuit operatorsOn Feb 25, 5:19 pm, Patricia Shanahan <email***@***.com> wrote:
> k-e-n wrote:
>
> ...
>
> > Also as I mention in the list below it is simply not good practice to
> > mix Bitwise and Boolean operators in the same expression, just because
> > you can, does not mean you should.
> ...
> > 3. And I think most important of all: Do Not Mix Boolean Operators and
> > Bitwise Operators in the Same Expression.
>
> Note that "|" and "&" with boolean operands, such as true and false, are
> not bitwise operations. They are boolean operations without
> short-circuiting, so that the right hand side is evaluated regardless of
> the left hand side value. They are only bitwise operators if applied to
> integer operands.
>
> What is wrong with mixing bitwise and boolean operators in the same
> expression? Suppose I want to do something if a particular bit is on in
> either of two ints:
>
> if( (intA & mask) || (intB & mask) )
>
> seems reasonable to me, but it definitely mixes bitwise and boolean
> operations. How would you do it?
>
> Patricia
I would do it as you have done and as Joshua Cranmer suggests, use
parenthesis to make the precedence and more specifically your intent
clear.
To a programmer the parenthesis are sufficient advice, to someone who
seems not to understand precedence or perhaps more specifically wants
to know why the rule(s)
exists and what is the meta-rule behind that, I felt something
stronger was required.
Did you have any problem with any other parts of my comment? I have no
wish to cause offense or create any controversy.
- 4
- Many to Many CMR with an attributeHi,
I have a db scheme where i have a Many to Many relation but i have to
store an attribute in the mapping table. Then, i thought i could
transform my N-N relation in two 1-N relation, explicitely creating the
mapping table with my own attribute but this table has no primary key
(actually it should be the composition of the two foreign keys). Is it
possible to create an Entity where primary keys is the composition of 2
CMR fields or is there another way to do something like that ?
The db :
Supplier(id, name, ...) <-*--(quantity)--*-> Item(id, name, ..)
which is actually
Supplier(id, name, ...) <-1--*-> Supplier_Item(sup_id, item_id,
quantity) <-*--1-> Item(id, name, ...)
Thanks.
- 5
- Mechanism to identify calling object/method?Is there a mechanism within Java (J2SE 5) that would allow me to
identify which object and/or method is calling a target method?
For example, if I have method Class1.foo() that is being called from
Class2.bar(), is there a way for Class1.foo() to identify one or both
of the calling object and method?
-Nedron
- 6
- Basic jstl problem - Setting a bean propertyHi,
I have a simple class :
public class MyClass {
private String attrib = null;
public MyClass() {}
public void setAttrib(String attrib) {
this.attrib = attrib;
}
public String getAttrib() {
return this.attrib;
}
}
I also have a simple JSP:
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<jsp:useBean id="myclass" class="MyClass"/>
If I try to set the "attrib" property using
<c:set target="${myclass}" property="attrib" value="somevalue"/>
I got an error:
javax.servlet.jsp.JspTagException: Invalid property in <set>:
"attrib"
org.apache.taglibs.standard.tag.common.core.SetSupport.doEndTag(SetSupport.java:160)
I tryed target="${myclass.attrib}", but I receive another error:
javax.servlet.jsp.JspException: An error occurred while evaluating
custom action attribute "target" with value "${myclass.attrib}":
Unable to find a value for "attrib" in object of class "MyClass" using
operator "." (null)
Any help?
TIA,
Bob
- 7
- Package Naming Best PracticesSteven Garcia wrote:
> Is this inadvisable? On one hand it provides clarity for the classes
> in a package, on the other hand that clarity might confuse those who
> are really familiar with the Java API.
As it doesn't follow the package naming specification, I'd say you need
to modify your approch somewhat.
As you don't own the rights to the Java API (or the Java name), it
might be better to instead use the following, which would comply with
the spec:
net.domainname.mp.lang
net.domainname.mp.text
net.domainname.mp.util
net.domainname.mp.io
...etc.
That's my advice -- you're welcome to use it or ignore it as it suits
you :).
HTH!
Brad BARCLAY
--
=-=-=-=-=-=-=-=-=
From the OS/2 WARP v4.5 Desktop of Brad BARCLAY.
The jSyncManager Project: http://www.jsyncmanager.org
- 8
- JavaBean default property editorsI am looking for information on default property editors for JavaBean
properties. There are three cases in which I am hoping that a default
property editor exists for a given property:
1) The property is a collection class of references to other beans of a
particular base type which has already been been added to a bean
context. I am hoping that there is a default property editor which
allows the end-user programmer to add items to the collection, and then
connect each item to an appropriate bean already existing in the bean
context.
2) The property is a reference to another bean of a particular base type
which has already been added to a bean context. I am hoping that there
is a default property editor which allows the end-user programmer to
connect the property to an appropriate bean already existing in the bean
context.
3) A property editor which takes a reference to another bean as an
embedded bean ( one that is already initialized as a reference in the
parent bean ), and allows the embedded bean to expand its own properties.
Do such property editors exist, or do I actually need some sort of
custom property editor in any or all of these common cases ?
- 9
- random names, yeap im bored/*i think someone should you this to name their baby*/
import java.util.Random;
public class name
{
public static void main(String[] args)
{
String string1;
char char1 = 7;
string1 = " ";
int temp, length;
Random generator = new Random();
length = generator.nextInt(10);
for(int blah = 0;blah <= length;blah++)
{
temp = generator.nextInt(26);
if(temp == 1)
char1 = 65;
if(temp == 2)
char1 = 66;
if(temp == 3)
char1 = 67;
if(temp == 4)
char1 = 68;
if(temp == 5)
char1 = 69;
if(temp == 6)
char1 = 70;
if(temp == 7)
char1 = 71;
if(temp == 8)
char1 = 72;
if(temp == 9)
char1 = 73;
if(temp == 10)
char1 = 74;
if(temp == 11)
char1 = 75;
if(temp == 12)
char1 = 76;
if(temp == 13)
char1 = 77;
if(temp == 14)
char1 = 78;
if(temp == 15)
char1 = 79;
if(temp == 16)
char1 = 80;
if(temp == 17)
char1 = 81;
if(temp == 18)
char1 = 82;
if(temp == 19)
char1 = 83;
if(temp == 20)
char1 = 84;
if(temp == 21)
char1 = 85;
if(temp == 22)
char1 = 86;
if(temp == 23)
char1 = 87;
if(temp == 24)
char1 = 88;
if(temp == 25)
char1 = 89;
if(temp == 26)
char1 = 90;
string1 = string1 + char1;
}
System.out.println(string1);
}
}
- 10
- How to start compiling a big package directory tree ?I downloaded a java source of a tool which is spread over multiple (40-50) *.java files
which are located in different sub directories according to their package name.
Unfortunately no further instructions (e.g. Ant script) are available.
However the source should be compileable without errors.
How do I start ?
Which class should I compile first ?
For example I found a "main()" method in java file SomeGUI.java
When I switch now to the base directory of package:
D:\java\base\
and type at the command prompt:
javac org\somepack1\subpack2\SomeGUI.java
then the compiler tell me that he cannot find a file/package "org.somepack.addclass"
But the java file org\soempack\addclass.java EXISTS !
Why does the compiler not find this class/source ?
Can I somehow tell the compiler (from the command line !):
"here is the source directory tree. Search for all you need and compile all
necessary classes in the sequence you need".
Tom
- 11
- JWS Program problem with MACIn article <47e58b1b$0$1630$email***@***.com>,
Knute Johnson <email***@***.com> wrote:
> http://rabbitbrush.frazmtn.com/aviation/
Here's the diagnostic info from a failed run on Mac OS 10.4.11 (ppc),
java version 1.5.0_13:
[General]
An error occurred while launching/running the application.
Category: Launch File Error
No JRE version found in launch file for this system
[Launch File]
<?xml version='1.0' encoding='UTF-8' ?>
<jnlp spec='1.0+'
codebase='http://rabbitbrush.frazmtn.com/aviation'
href="flightlog.jnlp">
<information>
<title>VFR Flight Log</title>
<vendor>Knute Johnson Software</vendor>
<homepage href="index.html"/>
<icon kind="splash" href="catalina.jpg" />
</information>
<resources>
<java version='1.5+' />
<jar href='sVFRFlightLog.jar' />
</resources>
<application-desc
main-class='com.knutejohnson.tools.aviation.vfrlog.VFRFlightLog'>
</application-desc>
<security>
<all-permissions/>
</security>
</jnlp>
[Exception]
NLPException[category: Launch File Error : Exception: null : LaunchDesc:
<jnlp spec="1.0+" codebase="http://rabbitbrush.frazmtn.com/aviation/"
href="http://rabbitbrush.frazmtn.com/aviation/flightlog.jnlp">
<information>
<title>VFR Flight Log</title>
<vendor>Knute Johnson Software</vendor>
<homepage href="http://rabbitbrush.frazmtn.com/aviation/index.html"/>
<icon href="http://rabbitbrush.frazmtn.com/aviation/catalina.jpg"
kind="splash"/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<jar
href="http://rabbitbrush.frazmtn.com/aviation/sVFRFlightLog.jar"
download="eager" main="false"/>
</resources>
<application-desc
main-class="com.knutejohnson.tools.aviation.vfrlog.VFRFlightLog"/>
</jnlp> ]
at com.sun.javaws.Launcher.handleLaunchFile(Launcher.java:210)
at com.sun.javaws.Launcher.run(Launcher.java:165)
at java.lang.Thread.run(Thread.java:613)
--
John B. Matthews
trashgod at gmail dot com
home dot woh dot rr dot com slash jbmatthews
- 12
- modularity / granularity of security for a Java application (not applet)Can an administrator control the security restrictions for Java
applications, separately from restrictions for native, non-Java apps?
If so, what are (some of) the resources that can be restricted?
Specifically, can a Java application be temporarily prevented from using
network services?
Again, this is for an application, not an applet.
Thanks for any information,
George
- 13
- copying Image to system clipboardHi
As far as I can tell this is not possible to copy an Image to the
system clipboard with java at the moment. However I need it for a
project I'm working on. Has anyone found any hacks to make this
possible? Also, are there any chances that this feature will be
incorporated into the JDK at some point in the future? Are plans in the
offing?
Thanks for any advice.
Michael
- 14
- Java In A Nutshell, 5th Edition moreWith more than 700,000 copies sold to date, Java in a Nutshell from
O'Reilly is clearly the favorite resource amongst the legion of
developers and programmers using Java technology. And now, with the
release of the 5.0 version of Java, O'Reilly has given the book that
defined the "in a Nutshell" category another impressive tune-up.
In this latest revision, readers will find Java in a Nutshell, 5th
Edition does more than just cover the extensive changes implicit in
5.0, the newest version of Java. It's undergone a complete makeover--in
scope, size, and type of coverage--in order to more closely meet the
needs of the modern Java programmer.
more http://www.cdbook.cn/book.asp?id=676
- 15
- Authenticating Against Users Defined In a Database - TomcatCould someone point me in the right direction - I'm trying to
authenticate users against a SQL Server database and found plenty of
articles on how to create tables such as user-roles but I want to use
the actual users defined in SQL Server, because the users are also
directly logging into the db. I also tried using NTLM but our
production environment will not allow this.
TIA
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