package net.sf.jabref.external;
import java.net.URL;
import java.io.IOException;
/**
* This interface is used for classes that try to resolve a full-text PDF url from an article
* web page. Implementing classes should specialize on specific article sites.
* */
public interface FullTextFinder {
/**
* Report whether this FullTextFinder works for the site providing the given URL.
*
* @param url The url to check.
* @return true if the site is supported, false otherwise. If the site might be supported,
* it is best to return true.
*/
public boolean supportsSite(URL url);
/**
* Take the source HTML for an article page, and try to find the URL to the
* full text for this article.
*
* @param url The URL to the article's web page.
* @return The fulltext PDF URL, if found, or null if not found.
* @throws java.io.IOException
*/
public URL findFullTextURL(URL url) throws IOException;
}