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Created by Fang on January 10, 2014 14:07:20 Last update: January 10, 2014 14:07:20
An example project with Spring MVC and Apache Tiles. List of files:
./pom.xml ./src/main/webapp/WEB-INF/web.xml..../pom.xml :
<?xml version="1.0" encoding="UTF-8"?> <pro..../src/main/webapp/WEB-INF/web.xml :
<?xml version="1.0" encoding="UTF-8"?> <web-app..../src/main/webapp/WEB-INF/applicationContext.xml :
<?xml version="1.0" encoding="UTF-8"?> <beans x..../src/main/webapp/WEB-INF/spring-servlet.xml :
<?xml version="1.0" encoding="UTF-8"?> <beans x..../src/main/webapp/WEB-INF/tiles-definitions.xml :
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYP..../src/main/webapp/WEB-INF/jsp/template.jsp :
<!DOCTYPE html> <%@ page pageEncoding="UTF-8" %..../src/main/java/com/example/MyController.java :
package com.example; import javax.servlet.S...
Created by Fang on November 08, 2011 20:55:00 Last update: November 21, 2011 18:19:44
In the simple taglib example , I used a tag handler class to implement a taglib. This is an example to implement a taglib with a UI component. The purpose is to use a custom tag to split a string and print each part in a separate paragraph, i.e., print
<p>john</p> <p>steve</p> <p>mike</p>with custom tag <my:foreach> :
<my:foreach var="who" value="john steve mike"> ...These are the files: pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0"...src/main/java/com/example/UIForeash.java :
package com.example; import java.io.IOExcep...src/main/resources/META-INF/faces-config.xml :
<?xml version="1.0" encoding="UTF-8"?> <faces-c...src/main/resources/META-INF/foreach.taglib.xml :
<?xml version="1.0" encoding="UTF-8"?> <facelet...How to use: Put the JAR file generated by the above project in the WEB-INF/lib folder of the web app. If the web app is a Maven project, just add the taglib project as a dependency:...
Created by Fang on August 03, 2010 19:50:51 Last update: August 03, 2010 19:50:51
The tags <fmt:message> Writes out a formatted message for the current locale and resource bundle, or stores the resulting message to a scoped variable (when the var attribute is specified). Syntax:
<fmt:message key="messageKey" [bundle="resourc...Or, with parameters in body:
<fmt:message key="messageKey" [bundle="resourc...<fmt:bundle> Creates a resource bundle for the contained body. Syntax:
<fmt:bundle basename="basename" [prefix="prefi...<fmt:setBundle> Sets a resource bundle in a scoped variable, which may be used later by <fmt:message> . Syntax:
<fmt:setBundle basename="basename" [var="varNa...<fmt:param> This is used inside a <fmt:message> tag to specify a replacement parameter.
<fmt:param>The Parameter Value</fmt:param>Test it Make these additions to the expanded test application : Create 3 resource bundles and place them under src\main\resources . messages_en.properties :
label.login=Login label.username=User Name ...messages_es.properties :...
Created by Dr. Xi on July 19, 2010 21:58:34 Last update: July 23, 2010 21:37:23
Parsing XML in Java is really simple:
import java.io.*; import javax.xml.parsers.Docu...The parser implementation details are hidden behind the JAXP API. In case you want to know which parser implementation is used, this is what the JavaDoc for DocumentBuilderFactory.newInstance says: Use the javax.xml.parsers.DocumentBuilderFactory system property. Use the properties file " lib/jaxp.properties " in the JRE directory. This configuration file is in standard java.util.Properties format and contains the fully qualified name of the implementation class with the key being the system property defined above. The jaxp.properties file is read only once by the JAXP implementation and it's values are then cached for future use. If the file does not exist when the first attempt is made to read from it, no further attempts are made to...
Created by Dr. Xi on January 08, 2010 03:53:37 Last update: January 08, 2010 03:54:56
This is an Ant custom task to merge Properties files I lifted from http://marc.info/?l=ant-user&m=106442688632164&w=2 , with some minor bug fixes. Example usage:
<taskdef name="mergeProperty" classname="ant.task....Implementation:
package ant.task.addon; import java.io.Buff...
Created by Dr. Xi on November 19, 2008 00:22:27 Last update: January 07, 2010 23:00:36
There is a open source project named [ini4j] for processing Windows .ini configuration files. However, I found it an overkill for my purposes. So here is my simple implementation of a .ini parser. It mimics the standard java.util.Properties class with enhancements to get and set properties by section name. There are only a few simple rules: Leading and trailing spaces are trimmed from section names, property names and property values. Section names are enclosed between [ and ] . Properties following a section header belong to that section Properties defined before the appearance of any section headers are considered global properties and should be set and get with no section names. You can use either equal sign ( = ) or colon ( : )...
Created by Fang on September 07, 2009 16:39:37 Last update: September 07, 2009 18:43:04
It's easiest to use the archetype plugin to start a new Maven project. I'll use struts 1 as example since it's not in the built-in archetypes for archetype:generate . Generate a simple webapp with archetype:generate :
C:\work\maven>mvn archetype:generate -DarchetypeAr...It generates a directory structure like this:
struts1app struts1app/pom.xml struts1app/src...with a simple POM:
<project xmlns="http://maven.apache.org/POM/4.0.0"...Create settings.xml in $HOME/.m2 , add Java.net repository for Java EE dependencies:
<?xml version="1.0" encoding="UTF-8"?> <setting...Add Java EE and Struts dependencies in pom.xml . Note that the Java EE dependency has scope provided , meaning that the web app container provides the jars, therefore we don't need to bundle them with our war fie.
<project xmlns="http://maven.apache.org/POM/4.0.0"...Create a directory named java under main , create the Struts form and...