File Based Resource Loader extending CachingResourceLoader

FileBasedResourceLoader.java

import java.io.File;
import java.io.IOException;
import java.net.URL;

public class FileBasedResourceLoader extends CachingResourceLoader {
	private File root = null;
	
	public FileBasedResourceLoader(File root) {
		this.root = root;
	}

	protected URL _getResource(String path) throws IOException {
		File resourceFile = new File(root, path);
		if (resourceFile.exists()) {
			timestampLookup.put(path, resourceFile.toURI().toURL());
			return resourceFile.toURI().toURL();
		} else {
			return null;
		}
	}
}