http://developers-blog.org/blog/default/ Topics: Visions, Architecture Issues, Programming Languages, ... Rafael Sobek rafael.sobek@web.de 2010-03-07T14:58:50+00:00 en http://developers-blog.org/blog/default/2010/03/07/Definition-Builder-mit-Java-Beispiel Definition:Der Builder wird genutzt, wenn ein und derselbe Konstruktionsprozeß eines Objekts unterschiedliche Repräsentationen e... 2010-03-07T14:14:08+00:00 http://developers-blog.org/commentapi/default/Design+Pattern/2010/03/07/Definition-Builder-mit-Java-Beispiel http://developers-blog.org/blog/default/2010/03/07/Definition-Builder-mit-Java-Beispiel?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/03/04/SoapUI-limitations-and-workarounds-mock-response-test-step The following example describes one limitation of soapUI and a possible workaround. It concerns the way mock services are used i... 2010-03-04T12:17:11+00:00 http://developers-blog.org/commentapi/default/Testing/2010/03/04/SoapUI-limitations-and-workarounds-mock-response-test-step http://developers-blog.org/blog/default/2010/03/04/SoapUI-limitations-and-workarounds-mock-response-test-step?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/03/03/Webservice-testing-with-soapUI SoapUI is a useful tool for testing web services. Not only makes it possible to test deployed web services, but it also offers t... 2010-03-03T16:51:00+00:00 http://developers-blog.org/commentapi/default/Testing/2010/03/03/Webservice-testing-with-soapUI http://developers-blog.org/blog/default/2010/03/03/Webservice-testing-with-soapUI?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/03/03/Integration-of-soapUI-tests-in-maven-build-cycle This article extends the basic example described in "Web service testing with soapUI". It describes how to integrate soapUI test... 2010-03-03T15:11:02+00:00 http://developers-blog.org/commentapi/default/Testing/2010/03/03/Integration-of-soapUI-tests-in-maven-build-cycle http://developers-blog.org/blog/default/2010/03/03/Integration-of-soapUI-tests-in-maven-build-cycle?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/03/03/Web-service-testing-with-soapUI-exceptions This article extends the basic example described in "Web service testing with soapUI". It describes how to test and simulate exc... 2010-03-03T13:46:15+00:00 http://developers-blog.org/commentapi/default/Testing/2010/03/03/Web-service-testing-with-soapUI-exceptions http://developers-blog.org/blog/default/2010/03/03/Web-service-testing-with-soapUI-exceptions?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/28/Comparison-Linux-and-Windows-job-requirement-trends The following charts shows the trend of Windows and Linux job requirements of the last years.First you see the Windows trend is ... 2010-02-28T08:44:25+00:00 http://developers-blog.org/commentapi/default/Linux/2010/02/28/Comparison-Linux-and-Windows-job-requirement-trends http://developers-blog.org/blog/default/2010/02/28/Comparison-Linux-and-Windows-job-requirement-trends?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/25/Definition-Abstrakte-Fabrik-mit-Java-Beispiel Definition:Die abstrakte Fabrik bietet eine Schnittstelle zum Erzeugen verwandter Objekte. Programme, die auf die Konstruktion d... 2010-02-25T01:17:18+00:00 http://developers-blog.org/commentapi/default/Design+Pattern/2010/02/25/Definition-Abstrakte-Fabrik-mit-Java-Beispiel http://developers-blog.org/blog/default/2010/02/25/Definition-Abstrakte-Fabrik-mit-Java-Beispiel?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/25/Definition-Erzeugungsmuster Erzeugungsmuster verstecken den Erzeugungsprozeß von Objekten. Sie nutzen Vererbung, um die Eigenschaften des zu erzeugenden Obj... 2010-02-25T00:50:46+00:00 http://developers-blog.org/commentapi/default/Design+Pattern/2010/02/25/Definition-Erzeugungsmuster http://developers-blog.org/blog/default/2010/02/25/Definition-Erzeugungsmuster?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/24/Trend-between-Spring-and-EJB-job-requirements Recently I found a nice site about job trends. I looked for a chronological comparison between Spring and EJB job trends. The fo... 2010-02-24T13:25:42+00:00 http://developers-blog.org/commentapi/default/Spring/2010/02/24/Trend-between-Spring-and-EJB-job-requirements http://developers-blog.org/blog/default/2010/02/24/Trend-between-Spring-and-EJB-job-requirements?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/22/unit-testing-with-hibernate-and-spring Many applications use hibernate as OR-Mapper, i want show an easy and fast way how to unit test your DAOs and domain model.setup... 2010-02-22T20:42:45+00:00 http://developers-blog.org/commentapi/default/Spring/2010/02/22/unit-testing-with-hibernate-and-spring http://developers-blog.org/blog/default/2010/02/22/unit-testing-with-hibernate-and-spring?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/21/Native-Maven-Plugin-Build-native-C-C-projects-with-Maven Recently I looked for an alternative to build C/C++ based source code with Maven. I found the Native Maven Plugin at codehaus.or... 2010-02-21T11:53:36+00:00 http://developers-blog.org/commentapi/default/Maven/2010/02/21/Native-Maven-Plugin-Build-native-C-C-projects-with-Maven http://developers-blog.org/blog/default/2010/02/21/Native-Maven-Plugin-Build-native-C-C-projects-with-Maven?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/17/Spring-Hibernate-LazyInitializationException Let's assume you want to map a one-to-many relation using hibernate. In this case we have a Person with a list of i.e. Attribute... 2010-02-17T22:20:43+00:00 http://developers-blog.org/commentapi/default/Java/2010/02/17/Spring-Hibernate-LazyInitializationException http://developers-blog.org/blog/default/2010/02/17/Spring-Hibernate-LazyInitializationException?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/17/DD1F42616D13DD5A6437E617805C6135 Spring is a powerful IoC container to manage components. To utilize the container components, you have to configure your beans. ... 2010-02-17T19:05:55+00:00 http://developers-blog.org/commentapi/default/Spring/2010/02/17/DD1F42616D13DD5A6437E617805C6135 http://developers-blog.org/blog/default/2010/02/17/DD1F42616D13DD5A6437E617805C6135?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/16/Spring-Roo Spring Roo is a tool made by the Spring developers to help you speed up the development of your (web-)applications.I tried Sprin... 2010-02-16T18:22:26+00:00 http://developers-blog.org/commentapi/default/Spring/2010/02/16/Spring-Roo http://developers-blog.org/blog/default/2010/02/16/Spring-Roo?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/16/Configure-Log4j The Apache Log4J project offers a framework for logging aspects in Java software components. Today Apache Log4j is a defacto sta... 2010-02-16T15:23:10+00:00 http://developers-blog.org/commentapi/default/Java/2010/02/16/Configure-Log4j http://developers-blog.org/blog/default/2010/02/16/Configure-Log4j?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/15/Java3D-Example-1 Java3D is a specification for generation and manipulation of three-dimensional objects. It is based on the scene graph concept, ... 2010-02-15T00:31:21+00:00 http://developers-blog.org/commentapi/default/Java/2010/02/15/Java3D-Example-1 http://developers-blog.org/blog/default/2010/02/15/Java3D-Example-1?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/12/Easymock-example Easymock helps you to realize isolated tests of your business logic. The idea of mock based tests is to mock all dependent objec... 2010-02-12T11:36:02+00:00 http://developers-blog.org/commentapi/default/Java/2010/02/12/Easymock-example http://developers-blog.org/blog/default/2010/02/12/Easymock-example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/02/02/IRC-Bot-Tutorial PircBot is a Java Framework which provides an API to write different kinds of interactive IRC bots. If you have finished your bo... 2010-02-02T12:51:25+00:00 http://developers-blog.org/commentapi/default/Java/2010/02/02/IRC-Bot-Tutorial http://developers-blog.org/blog/default/2010/02/02/IRC-Bot-Tutorial?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/24/Java-SVG-Example SVG (Scalable Vector Graphics) defines a vector graphic format based on XML schema. The Batik SVG Toolkit provides to use SVG gr... 2010-01-24T22:35:54+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/24/Java-SVG-Example http://developers-blog.org/blog/default/2010/01/24/Java-SVG-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/12/Java-Scripting-Example The Java Specification Request (JSR) 223 helps Java developers to integrate scripting languages into their software components, ... 2010-01-12T00:17:45+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/12/Java-Scripting-Example http://developers-blog.org/blog/default/2010/01/12/Java-Scripting-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/11/Spring-Framework-Example The Spring Framework represents a dependency injection / inversion of control container framework for the Java platform. Further... 2010-01-11T15:01:36+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/11/Spring-Framework-Example http://developers-blog.org/blog/default/2010/01/11/Spring-Framework-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/10/Java-Servlet-API-Difference-between-forward-include-redirect For the correct request handling of the Java Servlet API Java developers have to undestand the differences of forward-, include-... 2010-01-10T18:08:49+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/10/Java-Servlet-API-Difference-between-forward-include-redirect http://developers-blog.org/blog/default/2010/01/10/Java-Servlet-API-Difference-between-forward-include-redirect?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/09/Useful-Java-tools Java 6 provides some useful console tools for analyze the state of your running Java application.jstack - Analyse your current s... 2010-01-09T12:42:18+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/09/Useful-Java-tools http://developers-blog.org/blog/default/2010/01/09/Useful-Java-tools?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/06/Java-Graphics-Example The Graphics API is the fundament of all drawing operations on different graphics devices. The Graphics Java class represents th... 2010-01-06T23:01:55+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/06/Java-Graphics-Example http://developers-blog.org/blog/default/2010/01/06/Java-Graphics-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/05/OpenJDK-or-Java-Sun-JDK-on-Ubuntu Ubuntu enables to run more than one Java VM. Sometimes a dynamic change of Java VMs are needed. That's possible with the followi... 2010-01-05T15:49:25+00:00 http://developers-blog.org/commentapi/default/Linux/2010/01/05/OpenJDK-or-Java-Sun-JDK-on-Ubuntu http://developers-blog.org/blog/default/2010/01/05/OpenJDK-or-Java-Sun-JDK-on-Ubuntu?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/05/ApplicationContextAware-access-application-context-from-bean Sometimes you need to access your Spring application context from a Spring instrumentalized Bean. For this use case you need to ... 2010-01-05T11:48:42+00:00 http://developers-blog.org/commentapi/default/Spring/2010/01/05/ApplicationContextAware-access-application-context-from-bean http://developers-blog.org/blog/default/2010/01/05/ApplicationContextAware-access-application-context-from-bean?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/04/Spring-scope The default scope of a spring bean is singleton. In distributed systems it can be dangerous if more than one thread access to si... 2010-01-04T16:48:25+00:00 http://developers-blog.org/commentapi/default/Spring/2010/01/04/Spring-scope http://developers-blog.org/blog/default/2010/01/04/Spring-scope?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/03/Rsync-Examples Directory or file synchronization is a relevant topic at IT industry. The most important use case are backups. The rsync command... 2010-01-03T19:12:48+00:00 http://developers-blog.org/commentapi/default/Linux/2010/01/03/Rsync-Examples http://developers-blog.org/blog/default/2010/01/03/Rsync-Examples?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/03/Mysql-New-User Because every time I forget handling to set new users and Mysql account privileges, I decided to write the following example://c... 2010-01-03T17:10:45+00:00 http://developers-blog.org/commentapi/default/uncategorized/2010/01/03/Mysql-New-User http://developers-blog.org/blog/default/2010/01/03/Mysql-New-User?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2010/01/01/Beanshell-Example Beanshell represents a dynamic script language for the Java VM. The Java scripting language support is useful for dynamic aspect... 2010-01-01T14:39:52+00:00 http://developers-blog.org/commentapi/default/Java/2010/01/01/Beanshell-Example http://developers-blog.org/blog/default/2010/01/01/Beanshell-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/12/31/Java-Swing-Example Java Swing is a graphical user interface API, which belongs to the Java Foundation Classes (JFC). The API is based on the compos... 2009-12-31T00:30:32+00:00 http://developers-blog.org/commentapi/default/Java/2009/12/31/Java-Swing-Example http://developers-blog.org/blog/default/2009/12/31/Java-Swing-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/12/16/HTML-convert-to-Pdf-in-Java The IText library represents a Java API for creation PDF files. The following example describes how the developer can use IText ... 2009-12-16T08:16:08+00:00 http://developers-blog.org/commentapi/default/Java/2009/12/16/HTML-convert-to-Pdf-in-Java http://developers-blog.org/blog/default/2009/12/16/HTML-convert-to-Pdf-in-Java?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/12/02/Python-XML-Processing-libxml2 Libxml is a Python wrapper around the libxml2 library. Other APIs are PyXML and 4Suite. The libxml2 wrapper API enables the deve... 2009-12-02T08:59:32+00:00 http://developers-blog.org/commentapi/default/uncategorized/2009/12/02/Python-XML-Processing-libxml2 http://developers-blog.org/blog/default/2009/12/02/Python-XML-Processing-libxml2?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/11/27/Maven-Site-Example The Maven Site Plugin enables you to create automatically software documentation. Particularly it represents a standard way of s... 2009-11-27T18:33:33+00:00 http://developers-blog.org/commentapi/default/Maven/2009/11/27/Maven-Site-Example http://developers-blog.org/blog/default/2009/11/27/Maven-Site-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/11/23/Java-Monitoring-Project I started a new Java monitoring project at sourceforge. It is a Maven Plugin and has two important advantages, AOP based monitor... 2009-11-23T02:46:13+00:00 http://developers-blog.org/commentapi/default/Java/2009/11/23/Java-Monitoring-Project http://developers-blog.org/blog/default/2009/11/23/Java-Monitoring-Project?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/11/06/JSTL-Example The JavaServer Pages Standard Tag Library (JSTL) provides a better separation between HTML code and dynamic content. It encapsul... 2009-11-06T08:34:35+00:00 http://developers-blog.org/commentapi/default/Java/2009/11/06/JSTL-Example http://developers-blog.org/blog/default/2009/11/06/JSTL-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/11/05/Java-CLI Sometimes you have to parse the command line arguments. For example you want to implement a daemon service application. The serv... 2009-11-05T22:56:59+00:00 http://developers-blog.org/commentapi/default/Java/2009/11/05/Java-CLI http://developers-blog.org/blog/default/2009/11/05/Java-CLI?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/11/02/CSV-File-Handling-in-Java The JavaCSV projects helps the Java developer to read and write CSV files. It represents an API, which works similarly as the JD... 2009-11-02T00:11:00+00:00 http://developers-blog.org/commentapi/default/Java/2009/11/02/CSV-File-Handling-in-Java http://developers-blog.org/blog/default/2009/11/02/CSV-File-Handling-in-Java?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/10/23/JAX-WS-Example JAX-WS (Java API for XML - Web Services) represents a Java API for implementing of webservices. The following example describes ... 2009-10-23T10:57:48+00:00 http://developers-blog.org/commentapi/default/SOA/2009/10/23/JAX-WS-Example http://developers-blog.org/blog/default/2009/10/23/JAX-WS-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/10/20/Java-Testing-Mocked-SMTP-Server 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 ... 2009-10-20T21:53:05+00:00 http://developers-blog.org/commentapi/default/Java/2009/10/20/Java-Testing-Mocked-SMTP-Server http://developers-blog.org/blog/default/2009/10/20/Java-Testing-Mocked-SMTP-Server?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/10/19/Spring-Velocity-Mail Sometimes you have to send automatically HTML emails. For example: You need inform your customers about new products or company ... 2009-10-19T10:36:47+00:00 http://developers-blog.org/commentapi/default/Spring/2009/10/19/Spring-Velocity-Mail http://developers-blog.org/blog/default/2009/10/19/Spring-Velocity-Mail?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/10/13/Hibernate-Spring-Tutorial If you are developing middleware services with the Springframework, in the majority of cases you will make use of the Hibernate ... 2009-10-13T20:36:28+00:00 http://developers-blog.org/commentapi/default/Spring/2009/10/13/Hibernate-Spring-Tutorial http://developers-blog.org/blog/default/2009/10/13/Hibernate-Spring-Tutorial?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/29/Java-FTP-Example The Apache Commons Net project offers you an API for FTP access. Based on this API you can download, upload or traverse the dire... 2009-09-29T06:37:56+00:00 http://developers-blog.org/commentapi/default/Java/2009/09/29/Java-FTP-Example http://developers-blog.org/blog/default/2009/09/29/Java-FTP-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/25/Java-Runtime-Inspection-Pax-Reflector If an exception occurs, sometimes it's difficult to build and restart your running software system. Especially if you are using ... 2009-09-25T15:27:40+00:00 http://developers-blog.org/commentapi/default/uncategorized/2009/09/25/Java-Runtime-Inspection-Pax-Reflector http://developers-blog.org/blog/default/2009/09/25/Java-Runtime-Inspection-Pax-Reflector?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/21/Spring-JMX-Example The JMX specification defines an architecture for monitoring and management of Java software components. To expose a Spring bean... 2009-09-21T11:20:19+00:00 http://developers-blog.org/commentapi/default/Spring/2009/09/21/Spring-JMX-Example http://developers-blog.org/blog/default/2009/09/21/Spring-JMX-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/19/PAX-Runner-OSGI-Provisioning-1 PAX Runner represents a OSGI provisioning system. It supports different OSGI platforms how Equinox, Felix, Knopplerfish and so o... 2009-09-19T17:12:32+00:00 http://developers-blog.org/commentapi/default/OSGI/2009/09/19/PAX-Runner-OSGI-Provisioning-1 http://developers-blog.org/blog/default/2009/09/19/PAX-Runner-OSGI-Provisioning-1?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/18/How-to-resolve-an-artifact-with-maven-embedder Maven Embedder allows you to execute maven commands within  your application at runtime.This is an example of resolving an artif... 2009-09-18T07:51:10+00:00 http://developers-blog.org/commentapi/default/Maven/2009/09/18/How-to-resolve-an-artifact-with-maven-embedder http://developers-blog.org/blog/default/2009/09/18/How-to-resolve-an-artifact-with-maven-embedder?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/17/runtime-replacement-of-jar-file 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... 2009-09-17T11:32:07+00:00 http://developers-blog.org/commentapi/default/uncategorized/2009/09/17/runtime-replacement-of-jar-file http://developers-blog.org/blog/default/2009/09/17/runtime-replacement-of-jar-file?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/15/Java-XML-RPC-Example Historically, the XML-RPC protocol represents the forerunner of SOAP. It uses HTTP as the transport layer and XML as the data la... 2009-09-15T02:41:52+00:00 http://developers-blog.org/commentapi/default/uncategorized/2009/09/15/Java-XML-RPC-Example http://developers-blog.org/blog/default/2009/09/15/Java-XML-RPC-Example?page=comments&flavor=rss2 http://developers-blog.org/blog/default/2009/09/03/Spring-Mail-Example Spring offers an abstraction layer for sending Emails. Two classes are important. First JavaMailSenderImpl class, which represen... 2009-09-03T21:12:57+00:00 http://developers-blog.org/commentapi/default/Spring/2009/09/03/Spring-Mail-Example http://developers-blog.org/blog/default/2009/09/03/Spring-Mail-Example?page=comments&flavor=rss2