wro4j-core/src/main/java/ro/isdc/wro/http/WroFilter.java
public final void setConfiguration(final WroConfiguration config) {
    notNull(config);
    wroConfigurationFactory = new ObjectFactory<WroConfiguration>() {
      public WroConfiguration create() {
        return config;
      }
    };
  }
public final void setConfiguration(final WroConfiguration config) {
    notNull(config);
    wroConfigurationFactory = new ObjectFactory<WroConfiguration>() {
      public WroConfiguration create() {
        return config;
      }
    };
  }
Once set, this configuration will be used, instead of the one built by the factory.

@param config
a not null {@link WroConfiguration} to set.