Java by API/javax.net/URL — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
|
(нет различий)
|
Версия 17:43, 31 мая 2010
Содержание
new URL(String address)
/*
* Output:
*
*
Protocol: http
Port: -1
Host: www.jexp.ru
File:
Ext:http://www.jexp.ru
*/
import java.net.URL;
public class MainClass {
public static void main(String args[]) throws Exception {
URL hp = new URL("http://www.jexp.ru");
System.out.println("Protocol: " + hp.getProtocol());
System.out.println("Port: " + hp.getPort());
System.out.println("Host: " + hp.getHost());
System.out.println("File: " + hp.getFile());
System.out.println("Ext:" + hp.toExternalForm());
}
}
new URL(String protocol, String host, int port, String file)
/*
* Output:
*
Date: 1145919603000
Type: text/html
Exp: 0
Last M: 1143834458000
Length: 208546
*/
import java.net.URL;
import java.net.URLConnection;
public class MainClass {
public static void main(String args[]) throws Exception {
int c;
URL hp = new URL("http", "www.jexp.ru", 80, "/");
URLConnection hpCon = hp.openConnection();
System.out.println("Date: " + hpCon.getDate());
System.out.println("Type: " + hpCon.getContentType());
System.out.println("Exp: " + hpCon.getExpiration());
System.out.println("Last M: " + hpCon.getLastModified());
System.out.println("Length: " + hpCon.getContentLength());
}
}
URL: getFile()
/*
* Output:
*
*
Protocol: http
Port: -1
Host: www.jexp.ru
File:
Ext:http://www.jexp.ru
*/
import java.net.URL;
public class MainClass {
public static void main(String args[]) throws Exception {
URL hp = new URL("http://www.jexp.ru");
System.out.println("Protocol: " + hp.getProtocol());
System.out.println("Port: " + hp.getPort());
System.out.println("Host: " + hp.getHost());
System.out.println("File: " + hp.getFile());
System.out.println("Ext:" + hp.toExternalForm());
}
}
URL: getHost()
/*
* Output:
*
*
Protocol: http
Port: -1
Host: www.jexp.ru
File:
Ext:http://www.jexp.ru
*/
import java.net.URL;
public class MainClass {
public static void main(String args[]) throws Exception {
URL hp = new URL("http://www.jexp.ru");
System.out.println("Protocol: " + hp.getProtocol());
System.out.println("Port: " + hp.getPort());
System.out.println("Host: " + hp.getHost());
System.out.println("File: " + hp.getFile());
System.out.println("Ext:" + hp.toExternalForm());
}
}
URL: getPort()
/*
* Output:
*
*
Protocol: http
Port: -1
Host: www.jexp.ru
File:
Ext:http://www.jexp.ru
*/
import java.net.URL;
public class MainClass {
public static void main(String args[]) throws Exception {
URL hp = new URL("http://www.jexp.ru");
System.out.println("Protocol: " + hp.getProtocol());
System.out.println("Port: " + hp.getPort());
System.out.println("Host: " + hp.getHost());
System.out.println("File: " + hp.getFile());
System.out.println("Ext:" + hp.toExternalForm());
}
}
URL: getProtocol()
/*
* Output:
*
*
Protocol: http
Port: -1
Host: www.jexp.ru
File:
Ext:http://www.jexp.ru
*/
import java.net.URL;
public class MainClass {
public static void main(String args[]) throws Exception {
URL hp = new URL("http://www.jexp.ru");
System.out.println("Protocol: " + hp.getProtocol());
System.out.println("Port: " + hp.getPort());
System.out.println("Host: " + hp.getHost());
System.out.println("File: " + hp.getFile());
System.out.println("Ext:" + hp.toExternalForm());
}
}
URL: openConnection()
/*
* Output:
*
Date: 1145919603000
Type: text/html
Exp: 0
Last M: 1143834458000
Length: 208546
*/
import java.net.URL;
import java.net.URLConnection;
public class MainClass {
public static void main(String args[]) throws Exception {
int c;
URL hp = new URL("http", "www.jexp.ru", 80, "/");
URLConnection hpCon = hp.openConnection();
System.out.println("Date: " + hpCon.getDate());
System.out.println("Type: " + hpCon.getContentType());
System.out.println("Exp: " + hpCon.getExpiration());
System.out.println("Last M: " + hpCon.getLastModified());
System.out.println("Length: " + hpCon.getContentLength());
}
}
URL: toExternalForm()
/*
* Output:
*
*
Protocol: http
Port: -1
Host: www.jexp.ru
File:
Ext:http://www.jexp.ru
*/
import java.net.URL;
public class MainClass {
public static void main(String args[]) throws Exception {
URL hp = new URL("http://www.jexp.ru");
System.out.println("Protocol: " + hp.getProtocol());
System.out.println("Port: " + hp.getPort());
System.out.println("Host: " + hp.getHost());
System.out.println("File: " + hp.getFile());
System.out.println("Ext:" + hp.toExternalForm());
}
}