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• A FileSet package/class wanted for Java

  - by Vincenzo

  Can anyone suggest a FileSet package/class in Java. By FileSet I mean a collection of files and directories together with regex-powered inclusion and exclusion rules (similar to Apache Ant). Thanks.

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• Getting A File's Mime Type In Java

  - by Lee Theobald

  I was just wondering how most people fetch a mime type from a file in Java? So far I've tried two utils: JMimeMagic & Mime-Util. The first gave me memory exceptions, the second doesn't close its streams off properly. I was just wondering if anyone else had a method/library that they used and worked correctly?

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• Pop-up window in Java Swing

  - by Gabriel Parenza

  Hey, Can someone suggest me how to implement a pop-up window in Java Swing. I want the pop-up window to be a modal window (user cannot return to the main window when the pop-up is open). I tried doing it using JDialog but it allows only one widget for user input to be in it whereas I need multiple widgets. I may be wrong here but this is what I was able to do. Appreciate your help.

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• Java MouseListener

  - by ikurtz

  I have a bunch of JLabels and i would like to trap mouse click events. at the moment i am having to use: public void mouseClicked(MouseEvent arg0) { } public void mouseExited(MouseEvent arg0) { } public void mouseEntered(MouseEvent arg0) { } public void mousePressed(MouseEvent arg0) { } public void mouseReleased(MouseEvent arg0) { System.out.println("Welcome to Java Programming!"); } I was wondering if there is a tidier way of doing this instead of having a bunch of events I do not wish trap?

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• Setting user agent in Java httpclient and allow redirects to true

  - by RenegadeAndy

  Hey guys - I am trying to set my user agent string in the HttpClient apache object in Java but I cannot find out how to do it. Please help! Also I am trying to enable redirects to true but also cannot find this option within the HttpClient object. Thanks Andy

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• Java 6 ScriptEngine and JSON.parse problem

  - by Tim

  The Rhino release that is included in Java 6 ScriptEngine does not have a JSON parser. I've tried including crockfords JSON2.js in my script on the scriptengine.eval(). When I try to do the JSON.parse, it ends up giving me a script error that .replace is an unknown function. .replace is referenced several places in JSON2, and it works fine inside a browser (IE7, IE8, FF3). Anyone see this and have a suggestion?

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• Basic Java Multi-Threading Question

  - by Veered

  When an object is instantiated in Java, is it bound to the thread that instantiated in? Because when I anonymously implement an interface in one thread, and pass it to another thread to be run, all of its methods are run in the original thread. If they are bound to their creation thread, is there anyway to create an object that will run in whatever thread calls it?

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• Java hashtable with seperate chaining collision resolution?

  - by Matt

  I have created a program using the built in java.util.hashtable but now I need to resolve collisions using separate chaining. Is it possible with this implementation of a hashtable? Is there one out there already implemented that uses separate chaining?

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• System.exit(0) in java

  - by Ram

  I am writing an application program in java. If i need to exit from the application can i use system.exit or should i use some other method, which is good practice. If calling system.exit is not good practice then tell the reason and tell the alternative way to exit from the application.

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• Cleanest way to build an SQL string in Java

  - by Vidar

  I want to build an SQL string to do database manipulation (updates, deletes, inserts, selects, that sort of thing) - instead of the awful string concat method using millions of "+"'s and quotes which is unreadable at best - there must be a better way. I did think of using MessageFormat - but its supposed to be used for user messages, although I think it would do a reasonable job - but I guess there should be something more aligned to SQL type operations in the java sql libraries. Would Groovy be any good? Any help much appreciated.

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• Java Equivalent to .NET's DateTime.Parse?

  - by Superdumbell

  I'm working on a java class that I will use with Pervasive Data Profiler that needs to check if a Date String will work with .NET's DateTime.Parse. Is there an equivalent class or 3rd party library that can give me this functionality that is very close to .NET's DateTime.Parse?

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• Robust Javascript parser in Java

  - by Misha Koshelev

  Dear All: I am looking for a robust Javascript parser written in Java - by which I mean a Javascript parser that is able to handle most real world Javascript. I am only interested in parsing Javascript, not in executing it. I have found Rhino: http://groups.google.com/group/mozilla.dev.tech.js-engine.rhino/browse_thread/thread/1eff23a8ee57b991 Am I missing anything? Is this the best solution? Thank you! Misha

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• toString() a generic type in Java

  - by davidrobles

  How can I print the type of a generic java type? Reflection? Any tricks? public class Foo<K> { private K element; @Override public String toString() { return "Type: " + K; } }

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• Finding out if LDAP user in Sun Directory Server 5.2 is locked out, in Java

  - by simon

  I'm developing an application using Java, Tomcat, Spring Framework and Spring LDAP 1.2.1 for LDAP access. According to our LDAP administrator, it is not possible to find out programmatically, if a specific user is locked out in the directory - the user is just not returned. This makes life difficult for me, as I need to identify locked out users. Is our administrator right, or is it possible somehow to find out, if a particular user is locked out? If yes, how?

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• Ways to clean up java applications.

  - by Begui

  How do java people handle clean up of their apps when the program receives a kill signal? For instance, there is an application i connect to which wants any third party app ( my app) to send a "finish" command. What is the best say to send that "finish" command if one does a kill -9 on me.

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• authentication and session in Java

  - by Sephy

  hi, I would like to know if it is possible to maintain an authentication (like a session with login and password in php) on a website from a java program, and if anyone had any lead on the subject or some reading for me, that would be great. thanks

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• line is erasing in java

  - by Gogoo

  I make an Application in java and draw rectangle. When I search from combobox the rectangle is under the combobox and when I close combobox some parts of the rectangle which was under the combobox is deleted. How can I make rectangle to be visible after the combobox was closed.

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• How to open Word document from Java on exact page or paragraph

  - by Milan

  I want from my java code to open word document. But not just to open the document but also to open on exact page or paragraph. Any ideas or guidelines? Thanks in advance!

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• Java method missing (ala Ruby) for decorating?

  - by cibercitizen1

  Is there any technique available in Java for intercepting messages (method calls) like the method_missing technique in Ruby? This would allow coding decorators and proxies very easily, like in Ruby: :Client p:Proxy im:Implementation ------- ---------- ----------------- p.foo() -------> method_missing() do_something im.foo() ------------------> do_foo p.bar() --------> method_missing() do_something_more im.bar() -------------------> do_bar (Note: Proxy only has one method: method_missing())

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• Capture SIGINT in Java

  - by Begui

  What is the best way to capture a kill signal in java without using JNI. I did discover the sun.misc.Signal and the sun.misc.SignalHandler and the warning of the possibility of being removed in the future releases. Would using JNI to call a c lib be the only option i have?

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• orkut via java api

  - by angelina

  Dear all, I m building a web application from where i want to connect to orkut server,gets online friend list,scraps,send scraps.i want to use a java api for this feature.

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• orkut via java api

  - by angelina

  Dear all, I m building a web application using servlets/jsp as server side technology. I want connect to orkut server from my web application where user can login,can send as well manage his scraps,get his online friend list.Please share which java api to use

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• How to troubleshoot an unresponsive Java application/process in Linux

  - by Sasha

  Say your application is unresponsive and you cannot attach a debugger to it, as it rejects everything. All you have is a Linux Bash and process id. How would you investigate the issue? What tools would you use? My goal is to better my troubleshooting skills using Java. This particular issue we had in production, on customer site.

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• Create Word/RTF file with table of contents from Java

  - by Glen

  Hi, I want to create a Word or RTF file with a table of contents (with links to each section) from Java. From my understanding, iText & Apache POI do not support generating a table of contents. Some clients of the app still use older versions of Word, so I need a library that supports the older Word doc format. Does anyone know how I can do this? Thanks, Glen

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• Java strings and substrings

  - by omaxgreen

  hey folks, Can someone help me with this Java problem? I want to write a method that takes two strings as arguments and returns true if each character (including space and punctuation) that appears in one string also appears in the other. Thanks

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