import java.io.BufferedReader;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.Reader;import java.io.StringWriter;import java.io.UnsupportedEncodingException;import java.io.Writer;import java.net.URI;import java.net.URISyntaxException;import java.util.ArrayList;import java.util.List;import java.util.Scanner;import java.util.logging.Formatter;import java.util.logging.Handler;import java.util.logging.Level;import java.util.logging.LogRecord;import java.util.logging.Logger;import java.util.regex.Pattern;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.NameValuePair;import org.apache.http.client.CookieStore;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.protocol.ClientContext;import org.apache.http.client.utils.URIUtils;import org.apache.http.client.utils.URLEncodedUtils;import org.apache.http.impl.client.BasicCookieStore;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.protocol.BasicHttpContext;import org.apache.http.protocol.HttpContext;public class JavaYoutubeDownloader { public static String newline = System.getProperty("line.separator"); private static final Logger log = Logger.getLogger(JavaYoutubeDownloader.class.getCanonicalName()); private static final Level defaultLogLevelSelf = Level.FINER; private static final Level defaultLogLevel = Level.WARNING; private static final Logger rootlog = Logger.getLogger(""); private static final String scheme = "http"; private static final String host = "www.youtube.com"; private static final Pattern commaPattern = Pattern.compile(","); private static final Pattern pipePattern = Pattern.compile("\|"); private static final char[] ILLEGAL_FILENAME_CHARACTERS = { '/', 'n', 'r', 't', '