Naming Schema Namespace and Location

Samples on Well-known Schemas

Schema for	Schema file	Applied to	Namespace	Location
J2EE web application 2.4 deployment descriptor	web-app_2_4.xsd	web.xml	http://java.sun.com/xml/ns/j2ee	http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd
J2EE web application 2.5 deployment descriptor	web-app_2_4.xsd	web.xml	http://java.sun.com/xml/ns/javaee	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd
EJB 2.1 deployment descriptor	ejb-jar_2_1.xsd	ejb-jar.xml	http://java.sun.com/xml/ns/j2ee	http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd
EJB 3.0 deployment descriptor	ejb-jar_3_0.xsd	ejb-jar.xml	java.sun.com/xml/ns/javaee	http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd
Spring 2.5 IoC configuration	spring-beans-2.5.xsd	...	http://www.springframework.org/schema/beans	http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
Spring 3.0 IoC configuration	spring-beans-3.0.xsd	...	http://www.springframework.org/schema/beans	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
Spring 2.5 AOP configuration	spring-aop-2.5.xsd	...	http://www.springframework.org/schema/aop	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
Spring 3.0 AOP configuration	spring-aop-3.0.xsd	...	http://www.springframework.org/schema/aop	http://www.springframework.org/schema/aop/spring-aop-3.0.xsd

Related Element and Attribute

Example : Spring 3.0 IoC configuration

• Schema : spring-beans-2.5.xsd

  <xsd:schema targetNamespace="http://www.springframework.org/schema/beans">
    <xsd:import namespace="http://www.w3.org/XML/1998/namespace"/>
  ...
  </xsd:schema>
      

• XML

  <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" 
   xsi:schemaLocation="
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
      http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"
   default-lazy-init="false">
  ...
  </beans>
      

Example : EJB 3.0 deployment descriptor

• Schema : ejb-jar_3_0.xsd

  <xsd:schema xmlns="http://www.w3.org/2001/XMLSchema"
      targetNamespace="http://java.sun.com/xml/ns/javaee"
      xmlns:javaee="http://java.sun.com/xml/ns/javaee"
      xmlns:xsd="http://www.w3.org/2001/XMLSchema"
      elementFormDefault="qualified"
      attributeFormDefault="unqualified"
      version="3.0">
  ...
  </xsd:schema>
      

• XML

  <ejb-jar xmlns="http://java.sun.com/xml/ns/javaee"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
      http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd"
      version="3.0">
  ...
  </ejb-jar>