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vineri, 12 iunie 2015

[OmniFaces utilities 2.0] Check if the given resource path obtained from ServletContext#getResourcePaths(String) represents a directory


[OmniFaces utilities] The isDirectory() method checks if the given resource path obtained from ServletContext#getResourcePaths(String) represents a directory.

Method:
Usage:

Below you can see a recursive example of using the ResourcePaths#isDirectory():

import org.omnifaces.util.ResourcePaths;
...
ServletContext servletContext = (ServletContext) Faces.getExternalContext().getContext();
Set<String> resourcePaths = servletContext.getResourcePaths("/resources");
scanPaths(servletContext, resourcePaths);

public void scanPaths(ServletContext servletContext, Set<String> resourcePaths) {
 resourcePaths.stream().forEach((resourcePath) -> {
  if (ResourcePaths.isDirectory(resourcePath)) {
      LOG.log(Level.INFO, "Found directory: {0}", resourcePath);
      scanPaths(servletContext, servletContext.getResourcePaths(resourcePath));
  } else {
      LOG.log(Level.INFO, "Found file: {0}", resourcePath);
  }
 });
}

Some output sample:

Found directory: /resources/default/
Found directory: /resources/default/css/
Found file: /resources/default/css/rafa.css
Found directory: /resources/default/images/
Found file: /resources/default/images/rafa.jpg
Found directory: /resources/default/videos/
Found file: /resources/default/videos/rafa.avi
...

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