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jStyleParser is a CSS parser written in Java. It has its own application interface that is designed to allow an efficient CSS processing in Java and mapping the values to the Java data types. It parses CSS 2.1 style sheets into structures that can be efficiently assigned to DOM elements. It is intended be the primary CSS parser for the CSSBox library. While handling errors, it is user agent conforming according to the CSS specification.

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/**
 * 
 */
package cz.vutbr.web.css;

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

/**
 * A network processor that is able to obtain an input stream from a URL.
 * 
 * @author burgetr
 */
public interface NetworkProcessor
{

    /**
     * Fetches the resource with the given URL and creates a stream containing
     * the resource contents.
     * 
     * @param url Resource URL.
     * @return input stream that reads resource contents
     * @throws IOException when the stream cannot be obtained for any reason
     */
    public InputStream fetch(URL url) throws IOException;
    
}