Configuration support for using wro4j with Spring MVC.

wro4spring serves as the base for wro4spring-thymeleaf-dialect, a Thymeleaf dialect making it easy to integrate wro4j.

wro4spring provides configuration support for using the excellent wro4j resources optimizer with Spring. In detail, it provides:

• @Configuration support class with sensible defaults to get you started quickly within a couple of lines.
  • all defaults can be easily customized and overriden
  • allows for easy distinction between development and production mode and their respective settings.
• WroModelAccessor, which allows you to easily retrieve a groups resources
• GroupPerFile-GroupExtractor and -Transformer - in development mode, wro4spring alters the model and creates a group per resource. This allows you to use wro4j filters without minimization and without concatenation.

1. Add the following to your pom.xml

<dependency>
      <groupId>org.sevensource</groupId>
      <artifactId>wro4spring</artifactId>
      <version>X.Y.Z</version>
</dependency>

2. Add the following to your web.xml

<filter>
      <filter-name>wroFilter</filter-name>
      <filter-class>org.sevensource.wro4spring.DelegatingWroFilterProxy</filter-class>
</filter>
<filter-mapping>
      <filter-name>wroFilter</filter-name>
      <url-pattern>/static/bundles/*</url-pattern>
</filter-mapping>

3. Create a wro.xml defining your resources. See https://code.google.com/p/wro4j/wiki/WroFileFormat

4. Create a @Configuration class - all configurable aspects and the inner workings are contained in DefaultAbstractWro4SpringConfiguration and its superclasses.

@Configuration
public class Wro4SpringConfiguration extends DefaultAbstractWro4SpringConfiguration {
      @Override
      protected String getWroFile() {
        return super.getWroFile();
      }
	
      @Override	
      public WroDeliveryConfiguration wroDeliveryConfiguration() {
        WroDeliveryConfiguration configuration = new WroDeliveryConfiguration();
        configuration.setDevelopment(isDevelopment());
        configuration.setUriPrefix("/static/bundles/");
        //configuration.setCdnDomain("cdn.foo.com");
        return configuration;
  	  }
	
      @Override
      protected boolean isDevelopment() {
        return true;
      }
}

5. @Import your Wro4SpringConfiguration in your root application context, ie. the one you asked ContextLoaderListener to use.

6. Enjoy and fork, pull & report, if you wish.