Load a given resource.

       
import java.net.URL;



//Revised from apache cxf 
public class Main {
  /**
   * Load a given resource. <p/> This method will try to load the resource
   * using the following methods (in order):
   * <ul>
   * <li>From Thread.currentThread().getContextClassLoader()
   * <li>From ClassLoaderUtil.class.getClassLoader()
   * <li>callingClass.getClassLoader()
   * </ul>
   * 
   * @param resourceName The name of the resource to load
   * @param callingClass The Class object of the calling object
   */
  public static URL getResource(String resourceName, Class callingClass) {
      URL url = Thread.currentThread().getContextClassLoader().getResource(resourceName);
      if (url == null && resourceName.startsWith("/")) {
          //certain classloaders need it without the leading /
          url = Thread.currentThread().getContextClassLoader()
              .getResource(resourceName.substring(1));
      }

      ClassLoader cluClassloader = Main.class.getClassLoader();
      if (cluClassloader == null) {
          cluClassloader = ClassLoader.getSystemClassLoader();
      }
      if (url == null) {
          url = cluClassloader.getResource(resourceName);
      }
      if (url == null && resourceName.startsWith("/")) {
          //certain classloaders need it without the leading /
          url = cluClassloader.getResource(resourceName.substring(1));
      }

      if (url == null) {
          ClassLoader cl = callingClass.getClassLoader();

          if (cl != null) {
              url = cl.getResource(resourceName);
          }
      }

      if (url == null) {
          url = callingClass.getResource(resourceName);
      }
      
      if ((url == null) && (resourceName != null) && (resourceName.charAt(0) != '/')) {
          return getResource('/' + resourceName, callingClass);
      }

      return url;
  }
}

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Load a given resource. : ResourceBundle « I18N « Java

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