java

Java API to tag TIFF files

Is there an open source Java API to tag TIFF image files? ...

Java: Synchronization Utility

I am asking this purely to determine the worthwhile-ness of implementing the class in Question ... Do you know of a Java utility class that takes an un-synchronized instance, uses reflection to investigate that instance, and returns the input instance "wrapped" within synchronized calls ? ( ie: A factory which creates a synchronized de...

Cannot connect to Tomcat's MBeanServer via jconsole in J2SE6

I'm on a vista machine. I've started tomcat 5.5.27 with these options: CATALINA_OPTS="-Dcom.sun.management.jmxremote.port=9003 \ -Dcom.sun.management.jmxremote.ssl=false \ -Dcom.sun.management.jmxremote.authenticate=false" When I connect via jconsole and added the following service url service:jmx:rmi:///jndi/rmi://localhost:...

Unserialize in Java a serialized php object

Hey guys, Does anyone know if it is possible, actually if it has been done, to serialize an object in php and unserialize it in Java (java-php communication). Maybe an adapter will be needed. What do you think? Thanks ...

space in Java command-line arguments

In my Java command-line arguments, any characters after space get ignored. For example, java test.AskGetCampaignByName "Dummy books" I get first argument (args[0]) as "Dummy" only. Single quotes also do not help. Does anybody know any workaround/fix for this? Could it be because of my terminal settings? My $TERM is xterm, and $LANG is ...

A good method for conflating queue entries

I have a pool of threads which are fed tasks from a queue. Generally, a small number of threads are able to keep the queue empty. Occasionally, a particularly large burst of events will keep the queue size above zero for some time, but not for long. My concern is regarding events that are duplicates or carry data that obsoletes previous...

new to Hibernate -- doubt

Hi I am new to hibernate and would require a clarification for the below problem. My main application has some existing tables which i want to use for an optional feature. Now i need to retrieve data from one existing table and process that data. Do i need to write a seperate POJO for this table ? I want only 2 columns of these table....

What is the difference between an interface and a class in Java?

hi friends, can any one give precise difference between an interface and class in java. Duplicate: http://stackoverflow.com/questions/258285/is-a-java-interface-an-abstract-class http://stackoverflow.com/questions/639592/why-are-interfaces-preferred-to-abstract-classes ...

Java web services on fedora 10i386

Hello, I am a .net web services developer. I want do develop web services on Java platform using LAMP platform. Currently I have fedora 10i386 with Apache web server and eclipse IDE. Please suggest me tools, plugins for eclipse that I can use to develop web service's as it is possible in .net platform using visual studio and MS sql se...

How can I manage sessions in J2EE?

In my J2EE application, I have a problem with sessions. Different users can login to the application and the specified user can see the data for which he is authorized. He should not be able to see other user data. To differentiate users, we are using Client_ID. As soon as the user logs in we are fetching this Client_ID from the dat...

Is it a possible to invalidate an individual session in JBoss through JMX?

We are tracking down some memory issues in our application and we have visibility into the size of our sessions where the problem seems to be. It is only affecting certain sessions where they seem to balloon out of control and we'd like to have the ability to invalidate those sessions more-or-less 'by hand' to reclaim that memory . Is ...

In-process ActiveMQ producer/consumer example?

I'm investigating using ActiveMQ as an embedded in-process message queue in my application, but I'm a bit stuck on how I go about starting such an application up. I envision it like so (pseudocode, of course): configureBroker () broker.start () createProducer (broker) producer.start () for each desired consumer createConsumer (br...

Where can I find an applet that requires Java 6?

I currently have Java 5 installed on Windows. I'm trying to test the way the new Java Kernal installs when my Firefox browser comes across an applet requiring Java 6. Unfortunately the applets I try fail to run or just run the Java 5 JVM. I have tried: http://jdk6.dev.java.net/plugin2/ http://www.psynixis.com/test/HelloJava6Applet.ht...

best way to externalize HTML in GWT apps?

What's the best way to externalize large quantities of HTML in a GWT app? We have a rather complicated GWT app of about 30 "pages"; each page has a sort of guide at the bottom that is several paragraphs of HTML markup. I'd like to externalize the HTML so that it can remain as "unescaped" as possible. I know and understand how to use ...

Java Reflection: How to get the name of a variable?

Using Java Reflection, is it possible to get the name of a local variable? For example, if I have this: Foo b = new Foo(); Foo a = new Foo(); Foo r = new Foo(); is it possible to implement a method that can find the names of those variables, like so: public void baz(Foo... foos) { for (Foo foo: foos) { // Print the name ...

Java collection/map apply method equivalent?

Hi, I would like to apply a function to a Java collection, in this particular case a map. Is there a nice way to do this? I have a map and would like to just run trim() on all the values in the map and have the map reflect the updates. ...

Does it make sense to use Google Web Toolkit (GWT) as a full-blown Java web framework?

I am interested in the possibility that GWT could serve as the basis for my entire presentation layer. I would be interested to know if anyone has tried this successfully - or unsuccessfully - and could persuade or unpersuade me from attempting this. ...

return key word in a void method in java?

Hi all. Looking a path finding tutorial here (http://www.cokeandcode.com/pathfinding) which i was linked to from SO :) good work people. Working in integrating the code into my game, and i noticed a "return;" line inside a void method. class is PathTest on website, line 130. I know im a novice at java, but can anyone tell me why its th...

Retrieving format string from Format object

In Java is there a way to retrieve the format string from a Format object (or any derived classes) In code: Format f = new DecimalFormat("$0.00"); System.out.println(???); Is there something I can use to get System.out.println(???); to print "$0.00". I looked at toPattern(); but that function doesn't appear in the abstract Format c...

Java Regex Grouping Problem

Hi - I'm trying to figure out a Java regex problem that I'm having. This is 1.6, but I don't think that matters. Anyway... I'm going to have some input data like the following... "Blah yadda yidda 44-Barack Obama, this that the other" or "Something here, there 22-Hyphenated-example. Hi there folks" Basically I want to extract e...