urldemo.java

Java网络编程应用：包括简易聊天程序的客服端和服务器端的源代码

//URL Test
import java.net.*;
import java.io.*;

class URLDemo {
  public static void main(String[] args){
  	String hs = "http://archive.ncsa.uiuc.edu:8080/SDG/Software/Mosaic/Demo/url-primer.html?search=java";
	String fs = "ftp://archive.ncsa.uiuc.edu/download";
	URL httpURL = null;
	URL ftpURL = null;
	try{
		httpURL = new URL(hs);
  		ftpURL = new URL(fs);
  	}catch(MalformedURLException e){}
  	try{
	  	urlMethodsDemo(httpURL);
	  	urlMethodsDemo(ftpURL);
  	}catch(IOException e){System.out.println("IOException");}
  }
  private static void urlMethodsDemo(URL url)throws IOException{
	System.out.println( "getProtocol() is " + url.getProtocol());	
	System.out.println( "getDefaultPort() is " + url.getDefaultPort());
	System.out.println( "getPort() is " + url.getPort());

	System.out.println( "getHost() is " + url.getHost());
	System.out.println( "getFile() is " + url.getFile());
	System.out.println( "getPath() is " + url.getPath());
	System.out.println( "getQuery() is " + url.getQuery());
	System.out.println( "toExternalForm() is " + url.toExternalForm());
  }
}