A writable file type URL

WritableFileUrl.java

package net.abhinavsarkar.util;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;

import sun.net.www.protocol.file.FileURLConnection;

/**
 * Creates a File type URL which provides a writable {@link java.net.URLConnection}
 * as opposed to the default {@link sun.net.www.protocol.file.FileURLConnection}
 * which is read-only.
 * 
 * There are no checks for the {@link java.io.File} provided.
 * 
 * @author Abhinav Sarkar
 *
 */
public class WritableFileUrl {

    /**
     * @param file    File to write to.
     * @return        A File URL which is writable.
     * @throws MalformedURLException
     */
    public static URL newInstance(final File file) throws MalformedURLException {
        URL url = file.toURI().toURL();
        return new URL(url.getProtocol(), url.getHost(), url.getPort(), url.getFile(),
            new URLStreamHandler() {
                @Override
                protected URLConnection openConnection(final URL url)
                        throws IOException {
                    return new FileURLConnection(url, new File(url.getFile())) {
                        @Override
                        public OutputStream getOutputStream() throws IOException {
                            return new FileOutputStream(getURL().getFile());
                        }};
                }});
    }
    
}