cz.vutbr.web.csskit.DefaultNetworkProcessor Maven / Gradle / Ivy

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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.csskit;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.zip.GZIPInputStream;

import cz.vutbr.web.css.NetworkProcessor;

/**
 * Default implementation of the NetworkProcessor that is used when no other
 * implementation is provided. This implementation is based on the java built-in 
 * URLConnection mechanism.
 * 
 * @author burgetr
 */
public class DefaultNetworkProcessor implements NetworkProcessor
{

    @Override
    public InputStream fetch(URL url) throws IOException
    {
        URLConnection con = url.openConnection();
        InputStream is;
        if ("gzip".equalsIgnoreCase(con.getContentEncoding()))
            is = new GZIPInputStream(con.getInputStream());
        else
            is = con.getInputStream();
        
        return is;
    }

}