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Processing of java-common_0.27_amd64.changes

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- 3
 - convert DER encoded cert to PEM encoded certhi
 
 i read a certificate from a smartcard with the pkcs#11 API. i get the
 certificate in a hex string DER encoded. how can i convert a hex-string
 from a DER encoded certificate to e PEM encoded certificate.
 
 i try the method Certificate cert = cf.generateCertificate(fis);
 
 but i works just for base64 encoded certs
 
 -----BEGIN CERTIFICATE-----
 MIIDgjCCAuugAwIBAgIBGzANBgkqhkiG9w0BAQUFADB+MQswCQYDVQQGEwJDSDEL
 MAkGA1UECBMCWkgxEDAOBgNVBAcTB1p1ZXJpY2gxFTATBgNVBAoTDE1hcmMgVGVz
 dCBDQTEXMBUGA1UECxMOVGVzdCBDQ .....
 -----END CERTIFICATE-----
 
 i have this sting:
 
 30820345308202aea003020102020102300d06092a864886f70d01 ....
 
 has anyone a idea?
 
 thanks
 carla
- 3
 - How to make CLASSPATH behave like PATH on Windows?Windows (XP and NT) allows one to specify environmental variable
 (such as PATH and CLASSPATH) at both the SYSTEM-wide level
 as well as at the per-USER level.
 
 And the behavior has always been that the value of one's PATH list is
 the concatenation of those two ENV specifications.
 
 So, the $64 question is: Is there some way to coerce the resulting
 CLASSPATH list to also be a concatenation of both the SYSTEM
 and the USER's lists?
 
 (Hopefully, some sort of registry hack can accomplish this!?)
 
 The reason I ask is that today, after installing a Sun 'product' called
 JMF (Java Media Framework), it BROKE my existing CLASSPATH
 setup. The reason it BROKE it was that BEFORE the installation,
 I had my CLASSPATH defined (only) at the SYSTEM level, and it
 got inherited into my USER level. But, the (stupid?) JMF kit decided
 to 'add' some stuff of its own to the USER classpath, and since one
 didn't exist at all, it created one and put its stuff in it.
 
 BUT the unwanted side-effect of that (brilliant?) idea was that now
 the only resulting CLASSPATH that the users have is this new one that
 the kit created and all the existing entries on the SYSTEM-wide defn
 of CLASSPATH now get tossed into the bit-bucket.
 
 Any SUN Java architects out there who can rule on this? Is this a
 bug or a feature of the JMF kit? (A registry hack or something similar
 for a workaround would be nice.)
 
 Cheers...
 
 Dave
- 3
 - Real world use of CVS within JDeveloperDoes anyone have anything good to say about JDeveloper's use of CVS?
 I've previously used WSAD but due to constraints (OracleAS webapp) I
 want to use JDev but I'm trying to see how a team of developers would
 really work as a team with CVS code control.
 
 I've just checked in an edit on a file on one of the team PCs but I
 can't see any quick and convenient way of detecting the change on
 another PC. Worse still - when I edited the same file on another PC and
 then tried to commit the change - it just throws an error message
 stating "failed to commit to the CVS repository" / "cvs server:
 Up-to-date check failed for ... cvs [server aborted]: correct above
 errors first!"
 This then forces me down the line of going back to find the jdev 'cvs
 update' menu option to merge the changes together - and then re-edit
 the CVS entries to re-fix the code. ... And then the update doesn't let
 me edit the differences - it's all or nothing with jdev!
 
 This is all a little high-maintenance; WSAD does it so much better
 (with comparison edits and allowing you to selectively copy parts of
 the file changes instead of the whole thing.
 
 Does this sound familiar or have I got this wrong?
 
 Any thoughts on a better way of doing things if I just can't change
 IDE.
 
 Many thanks
- 3
 - JTable column headers - how?How do you show column headers on a JTable. I'm using j2se 5.0.
 
 I thought this would do it;
 
 // Sets up the table.
 private JTable setupTable()
 {
 // The columns and data.
 Vector<String> columns= new Vector<String>();
 Vector<Vector> data= new Vector<Vector>();
 
 // Get the columns.
 // Note well: this relies on SyslogRecord knowing it's own data
 members.
 String[] dataMembers= SyslogRecord.getDataMemberNames();
 
 // First we want a "Seen" column.
 columns.add("Seen");
 // Now add the rest.
 for (int i= 0; i < dataMembers.length; i++)
 columns.add(dataMembers[i].toString());
 
 // Add the data
 Iterator it= syslog.iterator();
 while (it.hasNext())
 {
 Vector<String> v= new Vector<String>();
 SyslogRecord sr= (SyslogRecord)it.next();
 // Add the "Seen" value 1st.
 v.add("No");
 v.add(DateWrapper.toString(sr.getDate()));
 v.add(sr.getMachine());
 v.add(sr.getUser());
 v.add(sr.getMessage());
 
 data.add(v);
 }
 
 // Need to set the data model for the table.
 DefaultTableModel tModel= new DefaultTableModel();
 tModel.setDataVector(data,columns);
 JTable jt= new JTable();
 jt.setModel(tModel);
 
 return jt;
 }
 
 This compiles fine but when I run it, I get all of my data, but no
 column headers!
 
 Any ideas?
 
 Thanks,
 
 John
- 3
 - Transpose in javaHi, I have a large table in postgres database. I need to create a
 screen in Java to view this table but it hast to be transposed. I'm
 wondering if it's better to transpose it in Postgres or Java could do
 it for me. Which is a better approach? What is the best way to
 transpose a table in Java? What is the best way to transpose it in
 Postgress.
 Your help is greatly appreciated.
 Thanks
 NK
- 3
 - carriage return in hex 0DHi,
 
 I need some help in writing Java code in representing carriage returns
 in Hex 0D. I've written a program in Java on an Unix system that
 passes data to a Stratus machine via TCP/IP socket. The data I send to
 the Stratus box needs to have carriage returns in it, which I've
 written in Java as "\r", but the Stratus box does not seem to
 recognize it. It is expecting a hex 0D instead.
 
 Does anyone know how to code in Java to pass a hex 0D?
 
 Thanks in advance for any advice you can provide.
 
 Pat
- 3
 - Applet looking for class file improperlyI was having a peek at the error log on my website and discovered all
 kinds of errors of this form:
 
 [Thu Jan 12 01:13:59 2006] [error] [client 84.58.217.241] File does
 not exist:
 net:/com/mindprod/www/jgloss/com.html/mindprod/borders/Borders.class,
 referer: http://mindprod.com/jgloss/border.html
 
 that corresponds to
 
 <applet code="com.mindprod.borders.Borders.class"
 archive="../applets/borders.jar" width="430" height="250" alt="JPanel
 Borders">
 Need Java to see this.
 </applet>
 
 It looks like the browser is asking the server for the class even
 though it has been given an archive. I don't know what browser(s) do
 this.
 
 Perhaps I should not tell it the main class, and trust the manifest.
 Even so the name is screwed up. They added an .html to the first leg
 of the package name.
 
 --
 Canadian Mind Products, Roedy Green.
 http://mindprod.com Java custom programming, consulting and coaching.
- 4
 - Applet won't work on the Internet, yet it works on my hard drive!!!Hi!
 
 I have uploaded this (first in my life) applet on the Internet, along with
 the HTML file for its viewing. On my hard drive I've opened the HTML with
 Internet Explorer and Opera, and it works ok. Then I uploaded it on the
 internet, and when I opened the Web site I got an "Invalid bytecode" message
 in Opera. I've contacted the owner of the site and he says he has also
 downloaded my html and .class on his hard drive and it ain't working for
 him.
 So what am I doing wrong? Is it that I have compiled with Java 1.4.1? I've
 also uploaded the files on another web space provider, and it didn't work
 there either.
 
 This is the url:
 http://www.freewebs.com/csabaland/java/pogadjanje_reci.html
 
 You can also download the .class and .java, which is reci.java, and check it
 out yourself.
 
 Can someone tell me why isn't this working?
 
 Gajo
- 9
 - ROW ID problemHi,
 I am wtiting JAVA application and getting datas from MS SQL.
 This is the code:
 
 QueryDataSet ds = new QueryDataSet();
 ds.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor
 (db,"select * from myTable"));
 
 In myTable there is one column defined as "primary key".
 But dataset(ds) does not get rowID automatically. I have
 to disable updateRowID in MetaDataUpdate for dataset, and
 then set rowID to the column manually
 
 I had no problem in Sybase, but now I have changed to MS
 SQL. Any idea? May be it is some connection property I
 have not checked out?
 
 Thanks beforehand.
- 9
 - Smoking assertions?With regard to assertions it appears that the compiler default has
 changed from 1.4 to 1.5. The 1.5 default compiles as-if "-source
 1.5" instead of the old 1.4 way "-source 1.3".
 
 All well and good but 1.5 doesn't appear to let me compile with
 "-source 1.3" to have an identifier named "assert". Apparently you
 could do this with 1.4. If I try to 1.5 compile with "-source 1.3"
 it returns the error that "assert is a keyword, try compiling
 with -source 1.4, blah blah".
 
 Does anybody know if this is correct and why they removed the
 ability to compile as 1.3?
- 10
 - [PATCH] jdk1.4.2, getsockname(), and ECONNRESET
 --Apple-Mail-4--662330866
 Content-Type: multipart/mixed; boundary=Apple-Mail-3--662330884
 
 --Apple-Mail-3--662330884
 Content-Transfer-Encoding: quoted-printable
 Content-Type: text/plain;
 charset=ISO-8859-1;
 format=flowed
 
 In j2se/src/solaris/native/sun/nio/ch/Net.c, getsockname() is called to=20=
 
 determine the local address and port of a socket.
 
 Under both Linux and Solaris, getsockname() will only fail if invalid=20
 arguments are provided. If getsockname() returns an error, Java throws=20=
 
 a java.lang.Error.
 On FreeBSD, getsockname() will also return an error with errno set to=20
 ECONNRESET if the connection has been reset by the peer. Consequently,=20=
 
 Java throws a java.lang.Error.
 
 The only way to handle this without an API change is to check for=20
 ECONNRESET; In the attached patch, if errno is set to=A0ECONNRESET we=20
 fill in the sockaddr structure with a port of 0, an IP of INADDR_ANY,=20
 and clear out the error.
 
 Also, any comments on the thread-safe resolver patch?
 
 Thanks,
 -landonf
 
 --Apple-Mail-3--662330884
 Content-Transfer-Encoding: 7bit
 Content-Type: application/octet-stream; x-unix-mode=0644;
 name="getsockname-1.diff"
 Content-Disposition: attachment;
 filename=getsockname-1.diff
 
 Only in getsockname: cscope.out
 diff -ru bsdjdk/j2se/src/solaris/native/sun/nio/ch/Net.c getsockname/j2se/src/solaris/native/sun/nio/ch/Net.c
 --- bsdjdk/j2se/src/solaris/native/sun/nio/ch/Net.c Fri May 13 18:04:33 2005
 +++ getsockname/j2se/src/solaris/native/sun/nio/ch/Net.c Sun May 29 01:32:32 2005
 @@ -118,8 +118,30 @@
 SOCKADDR sa;
 int sa_len = SOCKADDR_LEN;
 if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) {
 +#ifdef _BSD_SOURCE
 + /*
 + * XXXBSD:
 + * ECONNRESET is specific to the BSDs. We can not return an error,
 + * as the calling Java code with raise a java.lang.Error given the expectation
 + * that getsockname() will never fail. According to the Single UNIX Specification,
 + * it shouldn't fail. As such, we just fill in generic values.
 + */
 + if (errno == ECONNRESET) {
 + struct sockaddr_in *sin;
 + sin = (struct sockaddr_in *) &sa;
 + bzero(sin, sizeof(*sin));
 + sin->sin_len = sizeof(struct sockaddr_in);
 + sin->sin_family = AF_INET;
 + sin->sin_port = htonl(0);
 + sin->sin_addr.s_addr = INADDR_ANY;
 + } else {
 + handleSocketError(env, errno);
 + return -1;
 + }
 +#else /* _BSD_SOURCE */
 handleSocketError(env, errno);
 return -1;
 +#endif /* _BSD_SOURCE */
 }
 return NET_GetPortFromSockaddr((struct sockaddr *)&sa);
 }
 @@ -131,8 +153,30 @@
 int sa_len = SOCKADDR_LEN;
 int port;
 if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) {
 +#ifdef _BSD_SOURCE
 + /*
 + * XXXBSD:
 + * ECONNRESET is specific to the BSDs. We can not return an error,
 + * as the calling Java code with raise a java.lang.Error with the expectation
 + * that getsockname() will never fail. According to the Single UNIX Specification,
 + * it shouldn't fail. As such, we just fill in generic values.
 + */
 + if (errno == ECONNRESET) {
 + struct sockaddr_in *sin;
 + sin = (struct sockaddr_in *) &sa;
 + bzero(sin, sizeof(*sin));
 + sin->sin_len = sizeof(struct sockaddr_in);
 + sin->sin_family = AF_INET;
 + sin->sin_port = htonl(0);
 + sin->sin_addr.s_addr = INADDR_ANY;
 + } else {
 + handleSocketError(env, errno);
 + return NULL;
 + }
 +#else /* _BSD_SOURCE */
 handleSocketError(env, errno);
 return NULL;
 +#endif /* _BSD_SOURCE */
 }
 return NET_SockaddrToInetAddress(env, (struct sockaddr *)&sa, &port);
 }
 
 --Apple-Mail-3--662330884--
 
 --Apple-Mail-4--662330866
 content-type: application/pgp-signature; x-mac-type=70674453;
 name=PGP.sig
 content-description: This is a digitally signed message part
 content-disposition: inline; filename=PGP.sig
 content-transfer-encoding: 7bit
 
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.2.6 (Darwin)
 
 iD8DBQFCuF1nlplZCE/15mMRAlrDAJ9rqNEWNaX6iAmWW4AQEZUVz4lX1gCfVig7
 +Kz1+xJm32a/fQVBsibMm2Y=
 =tLoZ
 -----END PGP SIGNATURE-----
 
 --Apple-Mail-4--662330866--
- 13
 - Web Usage MiningHi friends,
 I am working on the project of Web usage mining. I am currently doing
 the below modules..
 
 1. Users next request prediction.
 2. Transasction Clustering using k - means cluster algorithm.
 
 For the above i have used server log data as a data set in ECLF. I
 need ur suggestions and discussions reg the above. Is anybody
 interested in working with WUM or did some work in WUM.. U can free to
 share ur experience and difficulties you faced during the projects..
 
 Advance Thanks...
 
 Reg,
 Seenu
- 13
 - Printing from a text panei am making a small RTF word processor and trying to print from a
 JTextPane.The setPrintable method is giving me problems as i dont know
 what to pass to it
 
 protected void printData()
 {
 getJMenuBar().repaint();
 try
 {
 PrinterJob printJob = PrinterJob.getPrinterJob();
 printJob.setPrintable();
 
 if(!printJob.printDialog())
 return;
 setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR ) );
 printJob.print();
 setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR ) );
 
 }
 catch(PrinterException e)
 {
 e.printStackTrace();
 System.err.println("Printing error" + e.toString() );
 }
 }
- 13
 - Generics error messagesRoedy Green <email***@***.com> writes:
 
 > Let me see if I follow:
 >
 > Collection<? extends Automobile> a = new ArrayList<Automobile>( 10 );
 >
 > a.add( new Automobile() );
 
 Not allowed. The signature of "add" on Collection<T> is "void add(T)".
 
 The type of "a" doesn't say what type parameter was used to create the
 instance that it refers to, only that the parameter was some subclass
 of Automobile.
 
 The instance might be an ArrayList<Car>. In that case, the signature
 of the actual add method would be "void add(Car)" and it would be
 an error to pass an Automobile to it.
 
 > a.add( new Car() ); // blocked
 
 Also blocked, for the same reason, since the type parameter of the
 actual instance might not be Car or a superclass of Car.
 
 Generally, if something is only known to have type
 SomeClass<? extends Foo>
 then you can't call methods that expects values of the type
 parameter's type, because you don't know what type that is.
 
 Opposite, if something is only known to have a type
 SomeClass<? super Foo>
 then you can't (as usefully) call methods that return something
 of the type paremeter's type (however, you do know that it's
 at least an Object :).
 
 > So strangely Collection<? extends Automobile> means the exact
 > opposite.
 >
 > it means Collection<only Automobile no Cars or Trucks>
 
 No, Liskov's Substitution Principle still holds. You can use an
 instance of Car anywhere you expect an Automobile, because a Car *is*
 an Automobile. If you have a Collection that you can add Automobiles
 to, you can also add Cars. A type of such a collection would be
 Collection<? super Automobile>
 or just
 Collection<Automobile>
 
 What doesn't hold is that Collection<Car> is a Collection<Automobile>.
 Neither is a subtype of the other. Instead you have a subtype diagram
 that looks like this:
 
 Collection<? extends Automobile>
 / \
 Collection<Automobile> Collection<? extends Car>
 /
 Collection<Car>
 
 (and:
 
 Collection<? super Car>
 / \
 Collection<? super Automobile> Collection<Car>
 \
 Collection<Automobile>
 
 which doesn't draw very well on the same diagram :)
 
 /L
 --
 Lasse Reichstein Nielsen - email***@***.com
 DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleDOM.html>
 'Faith without judgement merely degrades the spirit divine.'
- 14
 - Who is the best WebSphere Studio or Oracle JDeveloper??Can anybody tell me which IDE tools, Web Sphere, JDeveloper or etc, is the
 best for the enterprise applications.
 
 I know that JDEveloper have good IDE for map database object but I am
 interesting for web presentation, which has the best framework part for web
 component, JSP, servlet and etc. I know that in WebSphereStudio can put
 plug-in for Struts framework, but it's look very difficult for develop and
 support.
 
 ilica
 
 _________
 
 "If A is a success in life, then A equals x plus y plus z. Work is x; y is
 play; and z is keeping your mouth shut."
 
 ---
 Outgoing mail is certified Virus Free.
 Checked by AVG anti-virus system (http://www.grisoft.com).
 Version: 6.0.515 / Virus Database: 313 - Release Date: 1.9.2003

Author

Message

Archive Administrator

Posted: 2007-11-12 15:10:00

Top

java-programmer, Processing of java-common_0.27_amd64.changes java-common_0.27_amd64.changes uploaded successfully to localhost
along with the files:
java-common_0.27.dsc
java-common_0.27.tar.gz
java-common_0.27_all.deb

Greetings,

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--
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Index ‹ java-programmer

Next
- 1
 - static methods dont inherit (was: Constructor inheritance)"Andrew McDonagh" wrote...
 : isamura wrote:
 :
 : snipped.
 :
 : > :
 : > Can you clarify. Do you mean subclass can't inherit static methods either?
 : >
 : > ..K
 : >
 : Correct.
 :
 : Static methods don't belong to an object like normal (aka Instance)
 : methods, they belong to the Class.
 :
 : When calling a static method you: 'Class.myStaticMethod()'
 :
 : there's no object, so no Vtable to use to look through.
 :
 This is going off-topic so I will change the thread topic.
 
 That is puzzling since the following compiles and runs (JDK 1.42):
 
 public static myStaticMethod(); // defined in ClassA
 
 ClassB extends ClassA
 
 ClassB.myStaticMethod(); // no problem
 
 Please explain...
 
 .K
- 2
 - servlet communicationi`m using servlet technology in a very unusual way and i`m now
 searching for a better solution:
 there is a server, a embedded device and a user, which logs onto the
 server, for access to the embedded device. the server now calls the
 embedded device via gsm, to tell the embedded device to connect to the
 internet and callback. after that, the data from the embedded device is
 transfered to the server and displayed as a html-file. this is now done
 via polling the application context, where all online-devices are
 stored.
 problem now is: i want to figure out a better way, how to get the
 server or rather the html file, which is refreshed every 15 seconds, to
 see if the device is online now, to know.
 is there some way to exchange the data between this servlets?
- 3
 - Font dialog objectHello all..
 
 Just wondering if there is a Font dialog object in Java. Looking at the
 API's I did not see one.
 
 Thanks in Advance...
 IchBin
 __________________________________________________________________________
 
 'The meeting of two personalities is like the contact of two chemical
 substances: if there is any reaction, both are transformed.'
 - Carl Gustav Jung, (1875-1961), psychiatrist and psychologist
- 4
 - Jaxb and xsd Help requestedHi,
 I'm having problems compiling the classes generated by Jaxb when using
 the schema below. (Note the xsd below is part of a bigger xsd file i
 just pulled out the section that was giving me issues ). If anyone can
 see a problem with the xsd defined below I would appreicate the
 information.
 
 The inner interface defined within the generated java class is causing
 me issues. The error I get is "Nested type GuestCountType hides an
 enclosing type". i would appreciate any help with this.
 
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
 elementFormDefault="qualified" attributeFormDefault="unqualified">
 <xs:complexType name="GuestCountType">
 <xs:sequence>
 <xs:element name="GuestCount" maxOccurs="99">
 <xs:complexType>
 <xs:attributeGroup ref="GuestCountGroup"/>
 </xs:complexType>
 </xs:element>
 </xs:sequence>
 <xs:attribute name="IsPerRoom" type="xs:boolean" use="optional"/>
 </xs:complexType>
 <xs:complexType name="RoomStayCandidateType">
 <xs:sequence>
 <xs:element name="GuestCounts" type="GuestCountType" minOccurs="0"/>
 </xs:sequence>
 </xs:complexType>
 <xs:attributeGroup name="GuestCountGroup"/>
 </xs:schema>
 
 //
 // This file was generated by the JavaTM Architecture for XML
 Binding(JAXB) Reference Implementation, v1.0.4-b18-fcs
 // See <a
 href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a>
 // Any modifications to this file will be lost upon recompilation of
 the source schema.
 // Generated on: 2006.05.06 at 09:47:52 EDT
 //
 
 package generated;
 
 /**
 * Java content class for GuestCountType complex type.
 * The following schema fragment specifies the expected content
 contained within this java content object. (defined at
 file:/C:/xsdfiles/test.xsd line 4)
 * 
 * <pre>
 * <complexType name="GuestCountType">
 * <complexContent>
 * <restriction
 base="{http://www.w3.org/2001/XMLSchema}anyType">
 * <sequence>
 * <element name="GuestCount" maxOccurs="99">
 * <complexType>
 * <complexContent>
 * <restriction
 base="{http://www.w3.org/2001/XMLSchema}anyType">
 * <attGroup ref="{}GuestCountGroup"/>
 * </restriction>
 * </complexContent>
 * </complexType>
 * </element>
 * </sequence>
 * <attribute name="IsPerRoom"
 type="{http://www.w3.org/2001/XMLSchema}boolean" />
 * </restriction>
 * </complexContent>
 * </complexType>
 * </pre>
 *
 */
 public interface GuestCountType {
 
 /**
 * Gets the value of the isPerRoom property.
 *
 */
 boolean isIsPerRoom();
 
 /**
 * Sets the value of the isPerRoom property.
 *
 */
 void setIsPerRoom(boolean value);
 
 /**
 * Gets the value of the GuestCount property.
 *
 * 
 * This accessor method returns a reference to the live list,
 * not a snapshot. Therefore any modification you make to the
 * returned list will be present inside the JAXB object.
 * This is why there is not a <CODE>set</CODE> method for the
 GuestCount property.
 *
 * 
 * For example, to add a new item, do as follows:
 * <pre>
 * getGuestCount().add(newItem);
 * </pre>
 *
 *
 * 
 * Objects of the following type(s) are allowed in the list
 * {@link generated.GuestCountType.GuestCountType}
 *
 */
 java.util.List getGuestCount();
 
 /**
 * Java content class for anonymous complex type.
 * The following schema fragment specifies the expected content
 contained within this java content object. (defined at
 file:/C:/xsdfiles/test.xsd line 7)
 * 
 * <pre>
 * <complexType>
 * <complexContent>
 * <restriction
 base="{http://www.w3.org/2001/XMLSchema}anyType">
 * <attGroup ref="{}GuestCountGroup"/>
 * </restriction>
 * </complexContent>
 * </complexType>
 * </pre>
 *
 */
 public interface GuestCountType {
 
 }
 
 }
- 5
 - NIO! Nein!I recently had the misfortune of trying out a InputStream.available()
 command, only to find out it doesn't work on sockets.
 
 I've found that the solution to my problem is the Nio SocketChannel
 class, and now I have only one question:
 
 What was Sun smoking when they came up with SocketChannel and where can
 I get some?
 
 SocketChannel* and the SSLEngine is probably the most complicated way of
 doing socket work and I can only wonder whose crazy idea it was.
 
 Why couldn't they just make .available() work as advertised?
 
 *sigh*
 
 Just wanted to publically complain about unncessary complication.
- 6
 - Multiple web applications, single virtual hostHello everyone,
 
 I am attempting to create access logs on a per web application basis,
 using a single virtual host in my server.xml file. Here is what I
 have so far:
 
 <Host name="www.mysite.com" autoDeploy="false"
 deployOnStartup="false"
 deployXML="false">
 <alias>www.mysite.com</alias>
 <Valve
 className="org.apache.catalina.valves.AccessLogValve"
 prefix="mysite_access" suffix=".log"
 pattern="common"
 directory="${jboss.server.home.dir}/log"/>
 <Context path="" docBase="html" debug="0" reloadable="true"/>
 <DefaultContext cookies="true" crossContext="true"
 override="true"/>
 <Context path="/Web1" docBase="C:\jboss-4.0.1RC2\server\default
 \deploy" debug="0" reloadable="true">
 <Valve
 className="org.apache.catalina.valves.AccessLogValve"
 directory="${jboss.server.home.dir}/log"
 prefix="my_web1" suffix=".log" resolveHosts="false" pattern="combined"/
 >
 </Context>
 <Context path="/images" appBase="" docBase="C:
 \jboss-4.0.1RC2\server\default\images" debug="99">
 </Context>
 <Context path="/Web2" docBase="C:\jboss-4.0.1RC2\server\default
 \deploy" debug="0" reloadable="true">
 <Valve className="org.apache.catalina.valves.AccessLogValve"
 directory="${jboss.server.home.dir}/log"
 prefix="my_web2" suffix=".log" resolveHosts="false" pattern="combined"/
 >
 </Context>
 </Host>
 
 Everything is working as it should, except that when I hit www.mysite.com/Web1
 or www.mysite.com/Web2 the only log that gets updated is
 mysite_access.
 
 Can someone please explain to me how to go about writing to the
 my_web1.log and my_web2.log files for those applications?
 
 Thanks,
 Monica
- 7
 - in need of swing performance adviceHi All,
 
 I've hit a point in my app when I first call .validate() when loading a
 new panel (it is fairly complex), it takes up to 5 seconds to load..
 There must be something I can do to get over this and was wondering if
 anyone had any ideas, if you are interested then my App flows like this..
 
 A quite simple frame is initially created and displayed to user, this
 contains a button with 4 buttons, a BIG panel and a menu bar and thats
 it for now. the button bar is on left, menu at top and the Panel taking
 everything else up..
 
 When the user clicks a button, an appropriate panel is then called and
 'loaded into' the big empty space where the panel is. All this is in a
 function called Show() which is as follows...
 
 private void show(Component component) {
 java.awt.GridBagConstraints gridBagConstraints;
 gridBagConstraints = new java.awt.GridBagConstraints();
 gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
 gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
 gridBagConstraints.weightx = 1.0;
 gridBagConstraints.weighty = 1.0;
 
 Main.removeAll();
 Main.add(component,gridBagConstraints);
 this.validate();
 }
 
 when a button is clicked, depending on the button I call the show
 command like this...
 
 show(new divelog.forms.ProfilePanel());
 
 The panel that gets loaded that I have a problem with containt 3 panels
 in a tabpanel. each one of those has a table, and maybe 10 textfields
 per panel.
 
 So not really all that much complexity I dont think, the instantiation
 of the panel doesnt take long, so setting up the listeners I have seems
 ok its just the moment the .validate() line is executed there is the 5/6
 second delay.
 
 Anyone any ideas ? I was thinking Ok I'll create the instances of the
 panels in a seperate thread, but as I said the creation doesnt really
 take anytime at all.
 
 Thanks in advance.
 
 --------------------
 
 Rgds,
 
 Dave.
- 8
 - JTables and dynamically adding dataHey,
 I have a JTable that I want to add a new column to every time someone
 clicks a button. I have been reading about extending the
 AbstractTableModel, but I don't how this allows you to add a new
 column. The examples online show what happens when a user edits a
 table, but I don't want that. I want it add when the user presses a
 button outside of the table. Some advice would be appreciated.
 
 Thanks
- 9
 - jdk 5 generic, why not the other way arround for (T[] e, Collection<T> c)Hi,
 
 I'm trying to understand the generic concept. The following confused
 me:
 
 public static void main(String arg[])
 {
 Object[] oa = new Object [10];
 Collection<Object> co = new ArrayList<Object>();
 
 String[] sa = new String[10];
 Collection<String> cs = new ArrayList<String>();
 
 method(sa, co); //1
 method(oa, co); //2
 
 method(oa,cs); // 3, compile error:
 //<T>method(T[],java.util.Collection<T>) in Test cannot be applied to
 // (java.lang.Object[],java.util.Collection<java.lang.String>)
 // method(oa,cs);
 }
 
 static <T> void method(T[]e, Collection<T> c)
 { //do nothing }
 
 The #2 is obvious, but why #1 is ok and #3 is wrong?
- 10
 - java front end that creates database appsDoes there exist a java front end like this database admin tool:
 http://qform.sourceforge.net/
 but that also allows you to create database applications (similar to
 Rekall if you are familiar with that, uses python)
 ie. allows you to create your own forms for data input input etc,
 provides reporting, scripting etc
 
 Thanks
 Wayne
- 11
 - UML to JavaHello all,
 
 Does anybody knows a good tutorial for beginners to Make java code out of
 UML?
 
 Irlan
- 12
 - Attempting to connect to Oracle error...I was attempting to connect to an Oracle instance using the
 classes12.zip Oracle thin driver using SQuirrel 1.1final1
 [http://squirrelsql.org]. I kept receiving the following Java
 Exception:
 java.sql.SQLException: Protocol violation
 at oracle.jdbc.dbaccess.DBError.check_error(DBError.java:639)
 at oracle.jdbc.ttc7.O3log.receive2nd(O3log.java:529)
 at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:217)
 at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:156)
 at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:231)
 at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:208)
 at net.sourceforge.squirrel_sql.fw.sql.SQLDriverManager.getConnection(SQLDriverManager.java:99)
 at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.execute(OpenConnectionCommand.java:112)
 at net.sourceforge.squirrel_sql.client.mainframe.action.ConnectToAliasCommand$SheetHandler.run(ConnectToAliasCommand.java:345)
 at net.sourceforge.squirrel_sql.fw.util.TaskExecuter.run(TaskExecuter.java:65)
 at java.lang.Thread.run(Thread.java:536)
 
 SQuirreL was successfully connecting to other Oracle instances, just
 not this particular one. I work for a large organization with
 multiple Oracle servers. Additionally, the company has just merged
 with another company. And it is the other company's server that I am
 unable to successfully connect to.
 
 After going through a number of other tangents (network issues, jdbc
 configuration details, etc.), I decided to download the classes12.zip
 file from Oracle again just in case there was some difference from the
 one I already had.
 
 Once the download completed, I checked the file dates within
 classes12.zip and their dates were all 2001/Mar/20. Then I went to
 the "old" classes12.zip I was currently using in my project and the
 file dates within were 1999/Jun/14. Surprise!!!
 
 I did a quick reconfigure of SQuirreL to use the "new" classes12.zip
 and was able to connect to the "problem" DB. Apparently there was
 some sort of update since I had last dl'ed classes12.zip from Oracle.
 
 Uh...same bloody file name, "classes12.zip", different versions. WTF?
 
 I am confused why Oracle would choose to name the zip the same name
 and not increment it when they change it. Grrr! It sure makes it
 difficult to talk about "versions" with their naming convention.
 
 And why doesn't Oracle use the industry standard .jar format and
 naming convention? Their being "rogue" makes this even more confusing
 and frustrating.
 
 Hope you find my travails useful.
 
 Jim
- 13
 - Question about BigIntegers and byte[] inputI have a byte[] as an input
 
 8B F2 99 7D 67 F1 7C 15 B2 99 2C 2E 33 DD C6 65
 2D CD E7 2B
 
 and I feed it into a BigInteger so that I can do simply compares and
 easy formatting. However, when I call the toString(16) I get
 
 74 0d 66 82 98 0e 83 ea 4d 66 d3 d1 cc 22 39 9a d2 32 18 d5
 
 I am sure, in it's own way, it is "right" but I need to understand why
 this is occurring. Since these values represent hashes I will be for
 sure asked by they are the same as what was recorded for them.
 
 Christian
 http://christian.bongiorno.org
- 14
 - Applet is not able to call a URLHello!
 
 I try to make a HTTP Connection through a Applet. The Url is inside
 the same CodeBase.
 
 Error message: java.net.UnknownHostException: https://www.unserserver.de
 
 HttpMethod method = null;
 
 try {
 URL url = new URL(sUrl);
 
 HostConfiguration hostConfig = new HostConfiguration();
 hostConfig.setHost(url.getHost(), url.getPort(), url.getProtocol());
 
 HttpClientParams httpClientParams = new HttpClientParams();
 HttpClient httpClient = new HttpClient();
 httpClient.setHostConfiguration(hostConfig);
 httpClient.setParams(httpClientParams);
 
 method = new GetMethod();
 method.setQueryString(url.getQuery());
 method.setPath(url.getPath());
 
 int resultCode = httpClient.executeMethod(method);
 
 } catch (Exception e) {
 System.out.println(e);
 }
 
 I have configured the JVM to use the default settings of the browser,
 to connect through the proxy.
 Without proxy on my own workstation it works, but for the customer it
 doesn't work, allthough he saids, that he has configured the same
 settings for the JVM.
 
 Any ideas?
 
 best regards
 Alexa
- 15
 - SAX with JAXPHi,
 
 I want to parse a XML document with SAX (using JAXP) and found lot's of
 examples of parsing from a file. But... I have the XML in a String variable
 and want to parse from there. All the 'parse' methods from the SAXParse
 class receive a File, or a InputStream, or a URI... I don't want to create a
 file just to be able to parse the XML (for performance reasons).
 Any help appreciated,
 
 Araxes Tharsis