Java Beans dot Asia

Convert XML into POJO using HierarchicalStreamReader

Alexander Zagniotov — Sun, 29 Aug 2010 07:55:31 +0000

In this example I would like to show how unmarshall XML into a POJO using HierarchicalStreamReader. I am new to a HierarchicalStreamReader, so I decided to write a tutorial about it. In the current example, I will develop an application which will convert customer’s purchase history into a domain model. The domain objects Purchase, Item [...]Related posts:

Serialize POJO to XML Today my colleague, Chandana was trying to convert POJO to...
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Right Tool For the Right Job

Alexander Zagniotov — Sat, 28 Aug 2010 00:05:47 +0000

I wanted to start a discussion what is the better choice for an application server when building an enterprise J2E application? Should one go for a Tomcat + Spring combination which provide light-weight simplified alternative to JEE container or should more heavy weight app server like JBoss be considered? I have found some resources on [...]Related posts:

Using Template to Deploy a JBoss Queue Currently I am involved in a project, where I have...
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Installing Ubuntu 10.04.1 on Dell laptop

Alexander Zagniotov — Fri, 27 Aug 2010 11:36:55 +0000

I got a new Dell Latitude e6410 from work. After trying Windows it for a few days, I decided to get back to Ubuntu, since I really prefer developing on Linux. Unfortunately, after booting from live CD my screen started showing me colorful snow and flickering. The moment I select the language and choose to [...]Related posts:

You Gotta Love Linux Last Friday as I was working, I was asked to...

Are There No Other Developing Platforms?

Alexander Zagniotov — Sun, 11 Jul 2010 08:43:43 +0000

I came across a video called Java 4-Ever Trailer. Produced by guys at Java Zone. Its a trailer about supposedly upcoming movie about an average family living in .NET world. Their son grows up to be rebellious by starting to experiment with Java as a teenager. I think it is absolutely hilarious. I had to [...]Related posts:

Multiple Return Statements Yesterday I had a thought in my mind (which is...
Bitwise Operation In Hibernate 3 Hi all… i encountered a small problem in doing bitwise...
Singleton Pattern and Problem With Double Checked Locking There are several ways to initialize singleton object. Some are...

Web Applications with AJAX, Servlets and JSON (Chinese Version)

Alexander Zagniotov — Sat, 10 Jul 2010 13:33:20 +0000

在这篇文章中，我想说明如何的JSON（JavaScript对象符号）和Java Servlet可以同时使用在一个小的AJAX（(Asynchronous JavaScript and XML）的应用。为了作简要介绍那些谁不熟悉使用JSON密切。JSON是一种表示数据，这使得工作轻量级语法它比更愉快，使AJAX应用程序的XML 快。此外，当使用JSON工作，没有任何一个XML需要解析。Related posts:

Redefining Web Applications with AJAX, Servlets and JSON In this article I would like to show how JSON...
Serialize POJO to XML Today my colleague, Chandana was trying to convert POJO to...
Using Template to Deploy a JBoss Queue Currently I am involved in a project, where I have...

CSS Modal Dialog With Semi Transparent Border

Alexander Zagniotov — Sat, 15 May 2010 09:29:00 +0000

Few days ago I was working on UI for one of my projects. I needed to create a pop up dialog with semi opaque background around it, something like Facebook has. Since my CSS skills are not too powerful, I turned to Google to look for a tutorial(s). Many resources that I have found, make [...]No related posts.

Social Networking: The Next Big Thing?

Alexander Zagniotov — Tue, 11 May 2010 23:38:00 +0000

I came across a new social site couple of days ago. This happened purely by accident – I was trying to book a cafe shop or a bar for a company’s lunch out and was searching for some cheap bargains for a group booking. The Google search has led me to MyZerr.com. The first thought [...]No related posts.

On the Hunt Again and Need Your Help

Alexander Zagniotov — Sat, 08 May 2010 13:32:00 +0000

Well, I have decided – its time for me to move on… Although my current company was/is a good home for over two years, it is time for me to look for another job. I was hired as a J2EE developer by my current company, but after the Java project has finished, I ended up [...]No related posts.

Generate PDF with Flying Saucer and iText by Adding Font Files

Alexander Zagniotov — Tue, 23 Feb 2010 11:04:00 +0000

In this post, I would like to show how to load font files and format specific sections of the document at run time, when generating PDF document using Flying Saucer and iText libraries. I will create a String that has a structure of valid XHTML file. The content of String is what going to be [...]Related posts:

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Enriching Rich Internet Applications with Rule-Based Reasoning

Alexander Zagniotov — Mon, 22 Feb 2010 14:00:00 +0000

I came across a Firefox Add-On today by Matthias Tylkowski, that lets user to modify the browser view of his/her preferred web pages. For example, user can modify the appearance of cnn.com to suit his/her needs. The add-on or the web rules is a JSON-based rule language, where each rule is a JSON object. In [...]No related posts.

Работать будучи студентом в Австралии

Alexander Zagniotov — Mon, 22 Feb 2010 08:55:00 +0000

В последнее время участились вопросы по этой теме: А могу ли я то… а могу ли я это… а что можно… и так далее. Я попытаюсь описать реальность поиска работы будучи студентом в Австралии. Я сам был студентом здесь и у меня есть/было много друзей студентов, так что считаю что мое мнение довольно обьективное. В [...]Related posts:

Правильный настрой по приезду в Австралию – Часть 1 В этой теме я хочу дать несколько советов что и...
Правильный настрой по приезду в Австралию – Часть 2 Ниже приведен совет Владимира, читайте его блог Провинциальная Австралия –...
Правильный настрой по приезду в Австралию – Часть 3 Ниже приведен совет девушки по нику silver… (Alexander Zagniotov) Тут...

Happy Chinese New Year

Alexander Zagniotov — Sun, 14 Feb 2010 02:55:00 +0000

I have been inactive for the past several months and haven’t posted anything. There were some transitions going on lately in my company, so I have not felt like posting anything nor I was involved in any interesting projects. These days, I am traveling through South East Asia with my girlfriend. I have been exploring [...]No related posts.

Up and Running Again

Alexander Zagniotov — Fri, 06 Nov 2009 06:13:00 +0000

For the past thirteen days Java Beans dot Asia was offline. Normally I would not care, but in this case I was a bit disappointed, as my web host provider has decided that my blog takes too much CPU resources. As a result, I had to disable my online PDF generator Subscribe to the comments [...]Related posts:

Online PDF Generator Online PDF generator now available. This simple but useful online...
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Export to PDF using iText and Flying Saucer In my previous post I attempted to generate PDF on...

Redefining Web Applications with AJAX, Servlets and JSON

Alexander Zagniotov — Sun, 13 Sep 2009 04:00:00 +0000

In this article I would like to show how JSON (JavaScript Object Notation) and Java servlet can be used together in a little AJAX (Asynchronous JavaScript and XML) application. To give brief description to those who are not closely familiar with JSON - JSON is a lightweight syntax for representing data, which makes working with [...]Related posts:

Web Applications with AJAX, Servlets and JSON (Chinese Version) 在这篇文章中，我想说明如何的JSON（JavaScript对象符号）和Java Servlet可以同时使用在一个小的AJAX（(Asynchronous JavaScript and XML）的应用。为了作简要介绍那些谁不熟悉使用JSON密切。JSON是一种表示数据，这使得工作轻量级语法它比更愉快，使AJAX应用程序的XML 快。此外，当使用JSON工作，没有任何一个XML需要解析。...

You Gotta Love Linux

Alexander Zagniotov — Tue, 08 Sep 2009 01:14:00 +0000

Last Friday as I was working, I was asked to get some information from the application logs for a particular period of time. I needed to extract some data and count the results. The given period was last twelve months. Luckily I am working with Linux, so I opened a shell session and typed the [...]Related posts:

Installing Ubuntu 10.04.1 on Dell laptop I got a new Dell Latitude e6410 from work. After...

Rule Engine Stress Testing

Alexander Zagniotov — Sat, 05 Sep 2009 01:15:00 +0000

I came across a blog by a company called Illation. What those guys do is compare performance of several rule engines available on the market: Drools, ILog, OPSJ and Jess. The stress tests cover different aspects, for example: Rules firing time Data load time Memory usage Pre-run memory used Post-run memory used The test results [...]Related posts:

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My voice is on iPhone App

Alexander Zagniotov — Wed, 02 Sep 2009 23:24:46 +0000

My colleague Ila, has developed an iPhone app that reads out phone numbers from the phone book when you need it. Ila has requested some of us to “contribute” our voices for his app So now my voice is the “Russian Alex” option, along side with “English Bob”… hehe… Subscribe to the comments for this [...]No related posts.

VMware and Melbourne IT Launch Cloud Service

Alexander Zagniotov — Wed, 02 Sep 2009 10:03:00 +0000

Australian web hosting provider from Melbourne, Melbourne IT has launched cloud computing services together with VMware. The service is still in beta mode and it is called “vCloud Express” Its nice to see local provider offering cloud computing services as other big players on the market. A lot of customers having second thoughts to trust [...]No related posts.

Drools 5 Case Study 2 – Complex Event Processing

Alexander Zagniotov — Mon, 31 Aug 2009 14:45:00 +0000

In my previous post Drools 5 – Complex Event Processing, I gave introduction to Drools Fusion module. In the current post, I would like to demonstrate Drools Fusion capabilities. As an example chosen for the current article, I decided to use a scenario when an insurance firm rewards its policy members. The members are rewarded [...]Related posts:

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Drools 5 – Complex Event Processing

Alexander Zagniotov — Mon, 31 Aug 2009 12:05:00 +0000

From Drools version 4 to version 5, the framework has undergone quite a few improvements. These include support for three additional business modeling techniques. So today, Drools is not only a rule engine, but much more than that. One of these techniques is event processing. The module that added event processing capabilities to the framework [...]Related posts:

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Drools 5 Case Study 1- Writing DSL for DRL rule

Alexander Zagniotov — Sat, 29 Aug 2009 07:20:00 +0000

One of the blog readers, who posted a comment in my previous post Drools – tutorial on writing DSL template asked to me to help him with creating DSL for the following rule, so I decided to use his example as a small case study: For readability, I added some comments to the original rule: [...]Related posts:

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JBoss Security – JMX Console

Alexander Zagniotov — Thu, 27 Aug 2009 02:46:00 +0000

I was reading about JBoss security today, and came across the following page: JBoss Security vulnerability JMX Management Console. The guy tells how common is to come across servers on the Internet that run completely unsecured JMX-Console. I gave it a try, typed few keywords in Google, and voilà - around one third of the [...]Related posts:

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Feedback by the Drools Team

Alexander Zagniotov — Sun, 23 Aug 2009 07:49:00 +0000

Today while checking my blog’s referrers, to my pleasant surprise I discovered that few Drools articles I have published on this blog, were praised by Mark Proctor in Drools blog. Mark is one of the Drools creators and I think at the moment the project lead. The following is the post where my articles were [...]Related posts:

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Brainteaser Drools: Testing Objects

Alexander Zagniotov — Sat, 22 Aug 2009 12:50:00 +0000

This can be a hard one, since it requires from you to be familiar with Drools. Consider the condition side of the following rules: rule "object comparison one" no-loop when $customer1 : Customer( ) $customer2 : Customer(this != $customer1) then System.out.println("Rule one - Objects are equal"); end rule "object comparison two" no-loop when $customer1 : [...]Related posts:

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Правильный настрой по приезду в Австралию – Часть 4

Alexander Zagniotov — Sat, 22 Aug 2009 08:30:00 +0000

Ниже приведен совет парня по нику авгадай…(Alexander Zagniotov) Не ищу согласия, не ищу подтверждения. Так, чувак на митинг опаздывает, так что есть какой-то момент на написать немножко. Пишу о чем вижу, пишу чего думаю, Имею Мнение Хрен Оспоришь. Не буду о правильном настрое, ибо все мы разные, “типовых” психологических профайлов вроде бы штук 16, а [...]Related posts:

Правильный настрой по приезду в Австралию – Часть 1 В этой теме я хочу дать несколько советов что и...
Правильный настрой по приезду в Австралию – Часть 2 Ниже приведен совет Владимира, читайте его блог Провинциальная Австралия –...
Правильный настрой по приезду в Австралию – Часть 3 Ниже приведен совет девушки по нику silver… (Alexander Zagniotov) Тут...

Правильный настрой по приезду в Австралию – Часть 3

Alexander Zagniotov — Fri, 21 Aug 2009 14:28:00 +0000

Ниже приведен совет девушки по нику silver… (Alexander Zagniotov) Тут уже все подробно рассказали Но я добавлю свои 5 копеек. 1. Настрой. С самого начала надо быть готовым, что трудности будут возникать на каждом шагу в мелочах и это нормально. Нас тут никто не ждет, поэтому бесполезно возмущаться несправедливостью агентов по недвижимости, которым пофигу, что [...]Related posts:

Правильный настрой по приезду в Австралию – Часть 1 В этой теме я хочу дать несколько советов что и...
Правильный настрой по приезду в Австралию – Часть 2 Ниже приведен совет Владимира, читайте его блог Провинциальная Австралия –...
Правильный настрой по приезду в Австралию – Часть 4 Ниже приведен совет парня по нику авгадай…(Alexander Zagniotov) Не ищу...

Правильный настрой по приезду в Австралию – Часть 2

Alexander Zagniotov — Fri, 21 Aug 2009 12:53:00 +0000

Ниже приведен совет Владимира, читайте его блог Провинциальная Австралия – простые заметки русского мужика о провинциальной Австралии… (Alexander Zagniotov) Ну что ж надо продолжить. Тема очень серьезная и ошибка в таком вопросе как иммиграция может примести к довольно печальным последствиям. И самой основной, перечеркивающей весь позитив страны, может стать именно разочарование. Ну ладно начнем сначала. [...]Related posts:

Правильный настрой по приезду в Австралию – Часть 1 В этой теме я хочу дать несколько советов что и...
Правильный настрой по приезду в Австралию – Часть 3 Ниже приведен совет девушки по нику silver… (Alexander Zagniotov) Тут...
Правильный настрой по приезду в Австралию – Часть 4 Ниже приведен совет парня по нику авгадай…(Alexander Zagniotov) Не ищу...

Правильный настрой по приезду в Австралию – Часть 1

Alexander Zagniotov — Fri, 21 Aug 2009 12:10:00 +0000

В этой теме я хочу дать несколько советов что и как желательно делать и ожидать по приезду в Австралию. То что я имею в виду это просто подсказки (если так хотите ето называть) из личного опыта , как быстрее и легче ассимилировать и адаптировать. Имейте в виду что мои подсказки, это то что сработало для [...]Related posts:

Правильный настрой по приезду в Австралию – Часть 2 Ниже приведен совет Владимира, читайте его блог Провинциальная Австралия –...
Правильный настрой по приезду в Австралию – Часть 3 Ниже приведен совет девушки по нику silver… (Alexander Zagniotov) Тут...
Правильный настрой по приезду в Австралию – Часть 4 Ниже приведен совет парня по нику авгадай…(Alexander Zagniotov) Не ищу...

Brainteaser: Overridable methods

Alexander Zagniotov — Sat, 18 Apr 2009 02:02:00 +0000

Consider the following case of inheritance: public class Parent { public Parent() { getValue(); } public void getValue() { } } public class Child extends Parent { private final Integer integer; public Child() { integer = new Integer(888); } @Override public void getValue() { System.out.println(integer); } } Question: What would the following program print, why? [...]Related posts:

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Online PDF Generator

Alexander Zagniotov — Sat, 11 Apr 2009 11:17:00 +0000

Online PDF generator now available. This simple but useful online PDF generator tool allows you to generate PDF document online from HTML snippets. The tool uses Flying Saucer library. The PDF is generated with full compression, including meta data in PDF properties. Keep in mind that for successful PDF generation, your HTML markup has to [...]Related posts:

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