Tuesday February 02, 2010 12:51 PM
PircBot is a Java Framework which provides an API to write different kinds of interactive IRC bots. If you have finished your bo... Read More...
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Language: en
Topics: Java, PircBot, IRC
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Sunday January 24, 2010 10:35 PM
SVG (Scalable Vector Graphics) defines a vector graphic format based on XML schema. The Batik SVG Toolkit provides to use SVG gr... Read More...
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Language: en
Topics: Java, Batik, SVG
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Tuesday January 12, 2010 12:17 AM
The Java Specification Request (JSR) 223 helps Java developers to integrate scripting languages into their software components, ... Read More...
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Language: en
Topics: Java, Scripting, JSR 223
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Monday January 11, 2010 03:01 PM
The Spring Framework represents a dependency injection / inversion of control container framework for the Java platform. Further... Read More...
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Language: en
Topics: Java Spring, Springframework, Spring Example
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Sunday January 10, 2010 06:08 PM
For the correct request handling of the Java Servlet API Java developers have to undestand the differences of forward-, include-... Read More...
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Language: en
Topics: Java, Servlet, Forward, Include, Redirect
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Saturday January 09, 2010 12:42 PM
Java 6 provides some useful console tools for analyze the state of your running Java application.jstack - Analyse your current s... Read More...
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Language: en
Topics: Java, Development Tools
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Wednesday January 06, 2010 11:01 PM
The Graphics API is the fundament of all drawing operations on different graphics devices. The Graphics Java class represents th... Read More...
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Language: en
Topics: Java Graphics
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Tuesday January 05, 2010 03:49 PM
Ubuntu enables to run more than one Java VM. Sometimes a dynamic change of Java VMs are needed. That's possible with the followi... Read More...
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Language: en
Topics: Ubuntu, JDK
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Sometimes you need to access your Spring application context from a Spring instrumentalized Bean. For this use case you need to ... Read More...
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Language: en
Topics: Spring, ApplicationContextAware
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Monday January 04, 2010 04:48 PM
The default scope of a spring bean is singleton. In distributed systems it can be dangerous if more than one thread access to si... Read More...
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Language: en
Topics: Spring, Scope
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Sunday January 03, 2010 07:12 PM
Directory or file synchronization is a relevant topic at IT industry. The most important use case are backups. The rsync command... Read More...
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Language: en
Topics: Rsync, Backup, Synchronization
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Because every time I forget handling to set new users and Mysql account privileges, I decided to write the following example://c... Read More...
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Language: en
Topics: mysql, create user, add priviliges
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Friday January 01, 2010 02:39 PM
Beanshell represents a dynamic script language for the Java VM. The Java scripting language support is useful for dynamic aspect... Read More...
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Language: en
Topics: Java, Scripting, Beanshell
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Thursday December 31, 2009 12:30 AM
Java Swing is a graphical user interface API, which belongs to the Java Foundation Classes (JFC). The API is based on the compos... Read More...
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Language: en
Topics: Java, Java Swing
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Wednesday December 16, 2009 08:16 AM
The IText library represents a Java API for creation PDF files. The following example describes how the developer can use IText ... Read More...
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Language: en
Topics: Java, Itext, Pdf, Html
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Wednesday December 02, 2009 08:59 AM
Libxml is a Python wrapper around the libxml2 library. Other APIs are PyXML and 4Suite. The libxml2 wrapper API enables the deve... Read More...
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Language: en
Topics: Python, XML, libxml
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Friday November 27, 2009 06:33 PM
The Maven Site Plugin enables you to create automatically software documentation. Particularly it represents a standard way of s... Read More...
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Language: en
Topics: Maven, Java, Site, Report
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Monday November 23, 2009 02:46 AM
I started a new Java monitoring project at sourceforge. It is a Maven Plugin and has two important advantages, AOP based monitor... Read More...
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Language: en
Topics: java, monitoring
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Friday November 06, 2009 08:34 AM
The JavaServer Pages Standard Tag Library (JSTL) provides a better separation between HTML code and dynamic content. It encapsul... Read More...
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Language: en
Topics: Java, Servlet, JSTL
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Thursday November 05, 2009 10:56 PM
Sometimes you have to parse the command line arguments. For example you want to implement a daemon service application. The serv... Read More...
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Language: en
Topics: Java, CLI
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Monday November 02, 2009 12:11 AM
The JavaCSV projects helps the Java developer to read and write CSV files. It represents an API, which works similarly as the JD... Read More...
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Language: en
Topics: Java, CSV
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Friday October 23, 2009 10:57 AM
JAX-WS (Java API for XML - Web Services) represents a Java API for implementing of webservices. The following example describes ... Read More...
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Language: en
Topics: Java, JAX-WS, Apache CXF, Spring
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Tuesday October 20, 2009 09:53 PM
Recently I'm looking for a possibility to test sending of mails in Java. For this use case you need a mocked SMTP server, which ... Read More...
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Language: en
Topics: Java, Testing, Mail
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Monday October 19, 2009 10:36 AM
Sometimes you have to send automatically HTML emails. For example: You need inform your customers about new products or company ... Read More...
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Language: en
Topics: Spring, Mail, Velocity
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Tuesday October 13, 2009 08:36 PM
If you are developing middleware services with the Springframework, in the majority of cases you will make use of the Hibernate ... Read More...
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Language: en
Topics: Spring, Hibernate
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Tuesday September 29, 2009 06:37 AM
The Apache Commons Net project offers you an API for FTP access. Based on this API you can download, upload or traverse the dire... Read More...
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Language: en
Topics: Java, Java FTP, FTP
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Friday September 25, 2009 03:27 PM
If an exception occurs, sometimes it's difficult to build and restart your running software system. Especially if you are using ... Read More...
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Language: en
Topics: Inspection, Java Inspection, PAX Reflector
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Monday September 21, 2009 11:20 AM
The JMX specification defines an architecture for monitoring and management of Java software components. To expose a Spring bean... Read More...
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Language: en
Topics: Spring, Spring JMX, JMX
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Saturday September 19, 2009 05:12 PM
PAX Runner represents a OSGI provisioning system. It supports different OSGI platforms how Equinox, Felix, Knopplerfish and so o... Read More...
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Language: en
Topics: OSGI, OSGI Provisioning
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Friday September 18, 2009 07:51 AM
Maven Embedder allows you to execute maven commands within your application at runtime.This is an example of resolving an artif... Read More...
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Language: en
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Thursday September 17, 2009 11:32 AM
First solution that comes to mind would be to use OSGI. Sometime you don't want to setup a whole OSGi environment to replace jus... Read More...
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Tuesday September 15, 2009 02:41 AM
Historically, the XML-RPC protocol represents the forerunner of SOAP. It uses HTTP as the transport layer and XML as the data la... Read More...
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Language: en
Topics: Java, XML-RPC
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Thursday September 03, 2009 09:12 PM
Spring offers an abstraction layer for sending Emails. Two classes are important. First JavaMailSenderImpl class, which represen... Read More...
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Language: en
Topics: Spring, Java Mail, Spring Mail
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Saturday August 29, 2009 02:43 PM
The creation of new Maven plugins is easy and straight forward. The basic class of Maven plugins is the Mojo class. This class i... Read More...
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Language: en
Topics: Maven, Create Maven Plugin
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Tuesday August 25, 2009 08:36 PM
Quartz represents an enterprise job scheduler. The mechanism of Quartz can be compared to Linux Cron jobs or JDK Timers. Spring ... Read More...
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Language: en
Topics: Spring, Scheduling, Quartz
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Sunday August 23, 2009 07:47 PM
The easiest way to realize a scheduler in Spring is to use the standard JDK timer support. The following examples describes a cl... Read More...
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Language: en
Topics: Spring, Scheduling, TimerTask
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Monday August 17, 2009 08:34 PM
Twitter4j represents a Java bridge to the Twitter API. Via Twitter4J the Java developer can create new updates, delete Twitter m... Read More...
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Language: en
Topics: Twitter API, Java, Twitter4j
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Sunday August 16, 2009 12:46 PM
Often logging declarations are limited to some important business logic actions. Another interesting logging case is the fully d... Read More...
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Language: en
Topics: Java Reflection API, Dumping, Logging, Monitoring
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Thursday August 13, 2009 05:14 PM
Following you see an easy way to start maven goals in debug mode:mvn jetty:run -DargLine="-Xdebug -Xnoagent -Djava.compiler=NONE... Read More...
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Language: en
Topics: Maven, Debug
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Thursday August 06, 2009 12:14 AM
Sometimes you need XML validation in your build process. Often configuration files will be read on load time. Not till then vali... Read More...
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Language: en
Topics: Maven, Maven Plugin, XML Validation
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Tuesday August 04, 2009 10:27 PM
Because of keep the usage of servlets in mind I created a simple servlet example. In the majority of cases servlets are the core... Read More...
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Language: en
Topics: Java, Servlet, Servlet Example
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Monday August 03, 2009 04:08 PM
Hi all,now we redesign developers-blog.org to a modern look and feel as well as a new technology background.Following steps are ... Read More...
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Language: en
Topics: blog
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Friday July 31, 2009 07:21 AM
The HTMLPaser Java API library helps you to parse HTML based webpages. The library can be used for scrabing informations from a ... Read More...
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Language: de
Topics: HTMLParser, Scraber, Java Library
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Sunday July 26, 2009 05:34 PM
The Servlet API Specification defines the javax.servlet.ServletContextListener as a lifecycle event listener interface. It react... Read More...
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Language: en
Topics: Servlet Listener, Servlet, Servlet Lifecycle
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Thursday July 23, 2009 11:27 PM
Inside of Java web applications you can define chains of filters. So called servlet filters intercepts and transforms requests a... Read More...
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Language: en
Topics: Servlet Filter, Servlet, web.xml
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Monday July 20, 2009 11:20 PM
Perf4J represents an API for performance analysis in Java. It uses standard logging APIs how Log4J or the java.util.logging inte... Read More...
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Topics: Java, Profiling, Performance Analysis, AOP
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Friday July 17, 2009 09:55 PM
In AspectJ you can either use build-time or load-time weaving. The load-time weaving needs performance at runtime and the memory... Read More...
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Language: en
Topics: AspectJ, Build Time Weaving, AOP
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Tuesday July 14, 2009 07:25 PM
This article describes the usage of AspectJ in a Spring project. AspectJ has advantages opposite to Spring AOP. In Spring AOP yo... Read More...
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Language: en
Topics: AspectJ, Spring, Java, AOP Config
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Monday July 13, 2009 06:45 PM
The aspect oriented programming makes it possible to introduce additional code to an existing business logic. Because of that it... Read More...
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Language: en
Topics: Spring AOP, AOP, MethodInterceptor, Proxy, BeanNameAutoProxyCreator
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Sunday July 05, 2009 06:46 PM
Many application designers use md5-hashing mechanism to store the user's password in an insecure storage (e.g. file or DB). Sinc... Read More...
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Language: en
Topics: Security, Cryptography, Hash, Publich-Key encryption
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