https://supermanhamuerto.com/ 2026-04-19T13:13:13+00:00 https://supermanhamuerto.com/ https://supermanhamuerto.com/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:2by2rubikcube&rev=1670014949&do=diff The Rubik's cube 2 by 2 Because I'm not good at all at solving this puzzle, I've decided to give Java an opportunity to solve it for me. So, I've made a program to solve the rubik's cube. If you want to simply run the program, here it is: Just uncompress the contents of this zip file and you will find a file called text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:addingcomponentsprogramatically&rev=1670014949&do=diff Adding JSF components programmatically I've had to search a lot through internet in order to discover how to create JSF components programmaticaly. At the end, I didn't have to use it in the application I was creating, but I thought it worth to keep the research in some way. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:allavailabletimezones&rev=1670014949&do=diff List all available timezones that are in your JVM If you read the documentation of TimeZone class in the API (this one points to version 7 of the API), you will find that there aren't a list of all the available timezones, instead of this you will find this text: text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:ayuda&rev=1670014949&do=diff Integrar Ayuda en Aplicaciones Java Java Help Java Help es un sistema desarrollado por Sun. <http://www.adictosaltrabajo.com/tutoriales/tutoriales.php?pagina=javaHelp> Ejemplo Sencillo con Java Help Help Authoring Tools Es decir, herramientas para hacer ficheros de ayuda. Veamos algunas: <http://sourceforge.net/projects/helpmaker> <http://www.angelicsoftware.com> Se trata de un procesador de textos que permite guardar en formato .chm, el más popular hoy en día en entornos windows. text/html 2023-06-14T20:26:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:comoinstalarlosmodspasoapaso&rev=1686774417&do=diff Instalar un servidor de minecraft con mods Descargar minecraft forge La versión de minecraft forge debe coincidir con la versión de minecraft que queremos. En mi caso me propongo construir un servidor de mods de la 1.19.2, así que me he descargado el minecraft forge versión 1.19.2: text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:concurrentqueue&rev=1670014949&do=diff A concurrent version of a queue This queue class is concurrent: it allows many threads to write in the queue or to read from the queue. If you are interested, I made a highly paralell program to test it. package com.copytables.util; public class ConcurrentQueue<T> { private class ElementHolder<Q> { public Q data; public ElementHolder<Q> next; @SuppressWarnings("unused") public ElementHolder() { this.data = null; … text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:configuringtomcat&rev=1670014949&do=diff Configuring and setting up Tomcat Intro Conventions used in this document CATALINA_HOME refers to the path of your Tomcat installation. In Unix, you should refer it as $CATALINA_HOME, while in Windows it will be referred as %CATALINA_HOME%. Security text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:connecttomantis&rev=1670014949&do=diff text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:crearunproyectojsfconeclipse&rev=1670014949&do=diff Crear un proyecto JSF sencillo con eclipse Comenzaremos abriendo eclipse. Click en file -> other y seleccionaremos “web -> dynamic web project”. Para conseguir que en “target runtime” aparezca Tomcat 6, lo hablaremos en otro momento. Tenemos que seleccionar text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:createmd5hashinjavawithspring&rev=1670014949&do=diff Create a md5 hash in java with eclipse Spring does have a not-well-known utility called DigestUtils who allows you to create md5 hashes easily. Here is an example: import org.springframework.util.DigestUtils; public class Example { public static void main( String[] args ) { System.out.println( DigestUtils.md5DigestAsHex( "Hello world".getBytes() ) ); } // main } text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:determinesentimentinspanish&rev=1670014949&do=diff Determine the sentiment of a text in Spanish Intro It's surprising that up today (07/05/2014), the search on internet of this information gives very few results. Sentiment determination is critical for mining the user's opinion information. In today's age, with the vast use of social networks, the users opinion and their emotions (anger, hapiness) and their sentiment (positive or negative) is very important to detect how users react -by example- regarding a particular brand, political party or… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:developmentmode&rev=1670014949&do=diff Configurar modo desarrollo en varios servidores de aplicaciones Tomcat 7.0 Abrimos el fichero $TOMCAT_HOME/conf/web.xml y editamos la parte “servlet” de jsp. Buscamos donde pone <servlet> <servlet-name>jsp y añadimos estas entradas: <!-- put tomcat in development mode --> <init-param> <param-name>development</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>modificationTestInterval</param-n… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:durationtotext&rev=1670014949&do=diff Convert a time duration into a text Output in Spanish. I think it would be translatable easily. durationToText -> 21 minutos y 57,432 segundos durationToText -> 3 días, 14 horas, 19 minutos y 0,516 segundos private String durationToText( long start, long end ) { NumberFormat format = new DecimalFormat( "###" ); NumberFormat formatSeconds = new DecimalFormat( "##.###" ); long milliseconds = end - start; long months; long modMonths; … text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:dynamiclanguagesupport&rev=1670014949&do=diff Dynamic Language Support in Spring Spring supports the use of scripts. In other words, create a bean in Groovy, Jruby and call it as a normal bean from our application. However, when I tried to use this feature of Spring, even with the last up-to-date version (3.1.1), many errors arise, due to the lack of proper libraries. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:eclipse&rev=1670014949&do=diff Eclipse * Notas sobre plugins eclipse que instalo * The fastest way to make a deployment in eclipse text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:evaluateexpressionsgivenasparameter&rev=1670014949&do=diff How to evaluate expressions given as parameter Sometimes it comes in handy to evaluate an expression given as a parameter, to leave open certain parts of the application (how a particular formula is calculated, the set of business rules of the application, etc.). For this, the Spring Expression Parser comes to rescue. Here are two references I've used to implement my own case. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:ficheros&rev=1670014949&do=diff Manejo de Ficheros en Java Página del tutorial sobre manejo de ficheros text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:fiststepswithhibernate&rev=1670014949&do=diff Put hibernate into your life I've created from zero various projects with hibernate, and because it a step somewhat complex, I've decided to document it, so in the following stages it will be easier to achieve. Get the mysql driver Ok, if you are using oracle, you have to change this step for the proper download of the oracle JDBC driver. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:genericloggerasbean&rev=1670014949&do=diff Implementing a logger as a bean in Spring <!-- a generic logger --> <bean id="log" class="org.apache.commons.logging.impl.LogFactoryImpl" factory-method="getLog" scope="singleton"> <constructor-arg type="java.lang.String" value="Mercurio"/> </bean> text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:hibernate&rev=1670014949&do=diff Hibernate * Hibernate Reference Documentation * First Steps with Hibernate * Hibernate one to many annotation tutorial * Hibernate save blob * Recursive relations in hibernate * The last packet successfully received from the server was X milliseconds ago * Standard Deviation formula in hibernate text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:hotdeploymenteclipse&rev=1670014949&do=diff The fastest way to make a deployment in eclipse <WRAP center round info 60%> Update about Tomcat When I started this tutorial, I've found that every single change in a web page under JBoss forces this to restart the application. Unfortunately it is not the case with Tomcat: Tomcat ignores everything else except web.xml, and this is a bit cumbersome if you are changing jsf or jsp pages frequently, because these changes aren't detected and refected by Tomcat. On the contrary, the pages appea… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:howtomakealinklooklikeabutton&rev=1670014949&do=diff How to make a link look like a button From time, appears the need of making a link to look like a button. If you search through internet you will see lots of solutions, however, it is surprising that nobody have came across this solution. If you have a link: text/html 2024-10-05T17:13:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:index&rev=1728148385&do=diff Apuntes de Java Varias notas sobre java. <WRAP column 30%> Application servers * Jboss * Tomcat Frameworks and Tools * Eclipse * Maven * JSF * JSP * Junit4 * Spring * Hibernate * Example of configuration of log4j * Log4j is not process safe Standards * ESTANDAR JAVA * <http://wiki.metawerx.net/wiki/Web.xml> - toda la documentación sobre “web.xml” * Web.xml * Javadoc made easy * Java Beans * MimeTypes </WRAP> text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:infocenter&rev=1670014949&do=diff InfoCenter -- Four and final attempt Eventually I've found the steps for getting the eclipse infocenter as an standalone application. Step 1: download the file of this guy This guy: <http://www.ipov.net/apps/blog/2011/01/eclipse-infocenter-help-as-web-app/> have done all the staff of isolating the infocenter as an standalone application for us. So the only thing we have to do is download the jar file who has provided and install it in a tomcat directory. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:instalacionsencillaservidor&rev=1670014949&do=diff Instalar un servidor en Minecraft sencillo Intro Pasos para la instalación de un servidor de Minecraft en linux de forma sencilla y elegante. Nada de complicados scripts o complejas secuencias de pasos. Creando usuario Crearemos un usuario que será el que aloje todos los datos del servidor. A mí me gusta crearlo con su propio grupo de seguridad (usuario minecraft, grupo minecraft). text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:installationunderlinux&rev=1670014949&do=diff Installation of Tomcat under Linux Preface These notes are about installing Tomcat in a production environment under apache. This notes were taken while I were installing such product in a machine on a DMZ, so security were my first concern in every step I took text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:installjdk8alternativesubuntu&rev=1670014949&do=diff Install jdk 8 in ubuntu with alternatives Install directory of our version of java: /usr/lib/jvm/jdk1.8.0_20 Create a file .java-1.8.0.20-oracle.jinfo Create a file .java-1.8.0.20-oracle.jinfo with the following content: alias=java-8-oracle priority=100 section=non-free jre ControlPanel /usr/lib/jvm/jdk1.8.0_20/jre/bin/ControlPanel jre java /usr/lib/jvm/jdk1.8.0_20/jre/bin/java jre javaws /usr/lib/jvm/jdk1.8.0_20/jre/bin/javaws jre jcontrol /usr/lib/jvm/jdk1.8.0_20/jre/bin/jcontrol jre … text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:integratinglogconfigurationinspring&rev=1670014949&do=diff Integrating Log Configuration in Spring Background As many people out there, I do prefer to have my configuration of the log files in the same file as the rest of the configuration, in other words, in the applicationContext.xml file. If you are using text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:java7onlinux&rev=1670014949&do=diff Install java 7 on linux by hand Upgrading the alternatives system for a just downloaded Java The best and more complete instructions I have found are these: <http://askubuntu.com/questions/55848/how-do-i-install-oracle-java-jdk-7> I reproduce them for just in case the other site dissapears the entry. The same for Java 8 Download and uncompress java text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:javabeans&rev=1670014949&do=diff Java Beans Introducción Los Java Beans -en castellano granos de café java- no son otra cosa que un modelo de componentes para Java. Se estandariza la forma de definir las propiedades (métodos get y set), cómo deben notificarse cambios en los estados del componente (propiedades ligadas, constraints) y cómo acceder a colecciones de elementos (propiedades índice). text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:javadoc&rev=1670014949&do=diff Javadoc made easy Intro This document is about adding javadoc content to your project. Because I've read the help and Example of javadoc and its result /** * The first sentence appears separated from the * rest of the document, so be careful with * the first dot, who denotes the end of the * first sentence. * * <p> * <b>You can use html entities and tags, like &lt;b&gt;, &lt;u&gt;</b></p> * <p> * Portions of code can be inserted this way:</p> <pre> public class Circle extend… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:javaservice&rev=1670014949&do=diff Create your own java windows services using the Jboss service wrapper Introduction Java doesn't fit well with windows services nor daemons. Probably in Java 7 or further versions, resources will be in place to support service integration. While this time comes, Jboss developed an smart wrapper for his Application Server. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:javaservicelinux&rev=1670014949&do=diff A simple script for creating a service in java I've developed recently a runlevel shell script for a java service. I've developed a simple one based on the criteria that it must be adapted to every particular flavor of linux (Ubuntu and SuSE have their particular skeleton files to place a new server, so I imagine that in every case is different. text/html 2024-10-05T17:00:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:jboss&rev=1728147643&do=diff Jboss Ultimamente me estoy peleando con jboss. Como de cualquier pelea, se aprende algo. Así que anotamos lo que hemos aprendido. * LdapExtLoginModule * Configuring LDAP for an application from the ground * Secure Jboss * How to create a mini web site to serve static content Version JBoss [The Oracle] 5.1.0.GA Todo lo que cuente a partir de este punto es sobre esta versión. Como Jboss es tan caprichoso con las versiones, posíblemente haya cambios significativos entre una versión y l… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:jdbc&rev=1670014949&do=diff JDBC JDBC on The Java Tutorials Un ejemplo sencillo // Creamos un objeto conexión especificando la clase // de driver que vamos a usar Connection con = DriverManager.getConnection ( "jdbc:myDriver:wombat", "myLogin","myPassword"); Statement stmt = con.createStatement(); ResultSet rs = stmt.executeQuery("SELECT a, b, c FROM Table1"); // recorremos el resulset. rs está en la posición 0, // de tal forma que la llamada a rs.next() lo posiciona // en el primer elemento while (rs.n… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:jsf&rev=1670014949&do=diff Java Server Faces * Crear un proyecto JSF sencillo con eclipse * Primefaces??? Probando, probando... * Adding JSF components programmatically * Pass parameters from one page to another * Validator example in primefaces Enlaces interesantes El típico “Hello World” <http://www.exadel.com/tutorial/jsf/jsftutorial-kickstart.html> Un tutorial desde el principio, con un mini-proyecto de ejemplo. No sé porqué todo el mundo insiste en que usemos Ant o Maven para construir el proyecto, yo … text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:jsp&rev=1670014949&do=diff Java Server Pages JNDI de Oracle + Tomcat I don't know why, but the docummentation about how to properly set a JNDI oracle entry in Tomcat is not correctly specified. Many documentns scattered here and there, but no one with a full working, modern example. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:junit4&rev=1670014949&do=diff JUnit4 Desde que empecé a estudiar esto del java, hace unos dos años, han cambiado muchas cosas, y se nota por el perfil de este artículo que voy a escribir. Mientras que antes hablaba de cómo se manejaba un fichero, o cómo se conectaba a una base de datos usando jdbc, ahora vamos a ir a un tema muy específico: integrar JUnit4 con Spring 3.0.2 y con Eclipse Helios. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:ldapconfigfromtheground&rev=1670014949&do=diff Configuring LDAP for an application from the ground I don't know if it is your case, but in mine, I have a BIG trouble when configuring a Jboss application to connect to LDAP (Active Directory). The documentation in the jboss website is not very detailed, and it appears as all the websites speak of well-know issues, so they don't detailed very much the steps need to be done to configure it. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:ldapextloginmodule&rev=1670014949&do=diff LdapExtLoginModule See javadoc here The org.jboss.security.auth.spi.LdapExtLoginModule, added in jboss-4.0.3, is an alternate ldap login module implementation that uses searches for locating both the user to bind as for authentication as well as the associated roles. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:log4j&rev=1670014949&do=diff Example of configuration of log4j I've read excelent article of Ceki Gülcü about Log for Java and I've did my configuration file, just for the sake of keep the basic configuration tips handy: # # log4j.properties - log for java configuration file # # See complete example at http://www.supermanhamuerto.com/doku.php?id=java:log4j # log levels # # if you put here that "any messages above info will # be displayed", what are we talking about??? # # DEBUG < INFO < WARN < ERROR < FATAL # # we… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:logginwithfacebookandspringsecurity&rev=1670014949&do=diff Login With Facebook and Spring Security Introduction If you search in Internet about this issue, you will find various topics that discuss the issue. However, they aren't complete or accurate. Because of this, I've decided to develop or to adapt my own solution, picking from here to there to reach a complete solution. This paper resumes my researches and conclusions. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:mapbeanspring&rev=1670014949&do=diff A Map Bean (useful to store configuration information) <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springfra… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:maven&rev=1670014949&do=diff Notes on Maven Intro Hi, these are my notes on Maven. Probably here are a lot of inaccuracies, because I am using this to clarify myself and to help me to order my mind in the process of using this tool in my projects. Some notes of the Maven Architecture text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:mimetypes&rev=1670014949&do=diff Cómo conocer el mimetype de un fichero De esta página tan interesante -> <http://www.rgagnon.com/javadetails/java-0487.html> he encontrado la manera de obtener el mimetype de un fichero dado. Aquí va el código de ejemplo: import javax.activation.MimetypesFileTypeMap; import java.io.File; class GetMimeType { public static void main(String args[]) { File f = new File("gumby.gif"); System.out.println("Mime Type of " + f.getName() + " is " + new MimetypesFileT… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:minecraft&rev=1670014949&do=diff Canal Minecraft * Cómo instalar los mods paso a paso * Instalación de un servidor de Minecraft en linux text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:numerosaleatorios&rev=1670014949&do=diff Cómo crear y generar números aleatorios <http://java.sun.com/javase/6/docs/api/java/util/Random.html> import java.util.Random; Random rnd = new Random(); rnd.nextInt( 5 ); // devuelve un número entero aleatorio entre 0 y 4 rnd.nextLong(); // retorna un entero largo text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:passparametersamongpages&rev=1670014949&do=diff Pass parameters from one page to another in jsf Intro I've been looking around how to solve this typical problem: to pass one parameter from one page to other (for instance when we prompt the user to select one item on a list and, when clicking a button, switch to another page to edit this very item). text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:pruebasprimefaces&rev=1670014949&do=diff Start a project from the ground in primefaces and eclipse This page is a notebook about my findings with primefaces with eclipse. I want to start a project with this architecture: * primefaces in the view tier * spring and hibernate in the business logic tier text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:queuetester&rev=1670014949&do=diff QueueTester Getter class package com.circularQueue; public class Getter extends Thread { private CircularConcurrentQueue<String> queue; private String[] destArray; private int from; private int to; public Getter( CircularConcurrentQueue<String> queue, String[] destArray, int from, int to ) { this.queue = queue; this.destArray = destArray; this.from = from; this.to = to; } @Override public void run() { … text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:recursiverelationsinhibernate&rev=1670014949&do=diff Recursive Entities in Hibernate Tables can be related with themselves: the foreing key of the table points to the key of the table. This bizarre thing is very useful when you want to represent data which is hierarchically dependent in the real world: an organization (with many departments and sub-departments depending one of each other), human organizations (a boss with his employees) or more complex structures (a network of offices who depend on local branches, and those branches depend on t… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:searchinsideajarfile&rev=1670014949&do=diff How to search inside a Jar file Intro Sometimes it is useful to detect if a certain class is inside a jar file without the tedious process of rename it to .zip, uncompress and make a search. It is possible to instruct windows to do the search inside a jar file with a simple change in the registry. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:sonar&rev=1670014949&do=diff Sonar How to write a custom rule. As far as I've investigated, the basic steps are: * download PMD * In PMD you have a rule designer you can use for create a custom rule. For instance, see this article * Once you have a custom rule created in PMD, I guess there is a method to pass this information to sonar, I've not dive into it so far now text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:splitapplicationcontextxmlintovariousfiles&rev=1670014949&do=diff Splitting Application Context into various files I don't know if it is your case, but I were looking for this many time. I have a project where I have a “tester” environment and a “real” environment. The problem is I have to keep two applicationContext.xml files: one for the testing and another one for the real application. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:spring&rev=1670014949&do=diff Spring * Integrating log configuration in Spring * Splitting Application Context into various files * Dynamic Language Support in Spring * Create a user programmatically in Spring Security * Building a servlet with Spring * Integrate OpenId with Spring Security * Another example of integration of OpenId and Spring Security * Login With Facebook and Spring Security * A Map Bean (useful for store configuration information) * Implementing a logger as a bean in Spring * How to… text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:springsecurityprogrammaticallycreateuser&rev=1670014949&do=diff Create a user programmatically in Spring Security Intro Probably Google wouldn't honour this page at the top of the search engines when the user search for this stuff, however, here it goes my own solution to programmatically create a user using Spring Security. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:standarddeviation&rev=1670014949&do=diff Standard Deviation Formula in Hibernate There isn't any standard deviation formula in hibernate: <http://stackoverflow.com/questions/740293/is-it-possible-to-do-standard-deviation-in-nhibernate/17786363> However, I think that the better approximation is to calculate it using the following formula: sqrt((sum(value*value)/count(value)) - (avg(value) * avg(value))) text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:staticminisiteinjboss&rev=1670014949&do=diff How to create a directory to serve only static content in Jboss For Jboss 7 Under Jboss 7, things have changed in this issue: Jboss AS 7 enforces the deployment with archive files (.war, .ear and so on) instead of cut-and-paste of the filesystem in the deployment directory. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:testpi4j&rev=1670014949&do=diff TestPI4J: A testing framework for your PI4J Projects Intro Have you ever wondered to test your PI4J projects directly from your computer. Avoiding this routines of compile - copy into the pi - run?? Me to. This project is to allow precisely this: I've made a testing PI4J library so you can test your development from your computer. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:thelastpacketsuccessfullyreceivedfromserver&rev=1670014949&do=diff The last packet successfully received from the server was X milliseconds ago Intro This crap will be useful for you if... * Have tried the well known solutions: solution1, solution2 * Have searched in google for solutions to this problem and nothing works for you This problem is soooooo common that the solutions described above should work in most of the cases text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:tomcat&rev=1670014949&do=diff Tomcat * Installation of Tomcat under Linux * Configuring and setting up Tomcat text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:validatorinprimefaces&rev=1670014949&do=diff Validator example in primefaces Here is the example of a validator in primefaces. The example is based in the following use case: suppose we have a box calle “username” that has to be validated to see if the user entered new username exists previously in the database. text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:webxml&rev=1670014949&do=diff The intrinsincs of web.xml I've messing around searching for someone who explains me clearly the intrinsics of the configuration of the web.xml file and finally I've found something in a manual from oracle: <http://download.oracle.com/docs/cd/E13222_01/wls/docs70/webapp/webappdeployment.htm> I attach here for the sake of not loose it: text/html 2022-12-02T21:02:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://supermanhamuerto.com/doku.php?id=java:writingerrorsinlog&rev=1670014949&do=diff Writing properly errors in log file I've search ways to properly write one error into Apache Commons Log and I've haven't found anything. At last I've decided to create my own method. Here it is (see below). I've implemented it as an static method, but you can configure in your own way.