в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:16:50Z

1 версия

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== InetAddress: getAllByName(String name) ==



<source lang="java">

/*
* Output:
*
*/
import java.net.InetAddress;
public class MainClass {
public static void main(String args[]) {
try {
// Get an address
InetAddress ias[] = InetAddress.getAllByName("www.google.ru");
for (int i = 0; i < ias.length; i++) {
System.out.println(ias[i].getHostName());
System.out.println(ias[i].getHostAddress());
byte bytes[] = ias[i].getAddress();
for (int j = 0; j < bytes.length; j++) {
if (j > 0)
System.out.print(".");
if (bytes[j] >= 0)
System.out.print(bytes[j]);
else
System.out.print(bytes[j] + 256);
}
System.out.println("");
}
} catch (Exception e) {
e.printStackTrace();
}
}
}

</source>



== InetAddress: getByName(String host) ==



<source lang="java">

import java.net.InetAddress;
public class MainClass {
public static void main(String[] args) {
try {
InetAddress ia = InetAddress.getByName("64.21.29.37");
System.out.println(ia.getHostName());
} catch (Exception ex) {
System.err.println(ex);
}
}
}

</source>



== InetAddress: getCanonicalHostName() ==



<source lang="java">

import java.net.InetAddress;
public class Main {
public static void main(String[] argv) throws Exception {
InetAddress addr = InetAddress.getByName("127.0.0.1");
byte[] ipAddr = new byte[] { 127, 0, 0, 1 };
addr = InetAddress.getByAddress(ipAddr);
// Get the host name
String hostname = addr.getHostName();
// Get canonical host name
String canonicalhostname = addr.getCanonicalHostName();
}
}

</source>



== InetAddress: getHostAddress() ==



<source lang="java">

import java.net.InetAddress;
public class MainClass {
public static void main(String[] args) {
try {
InetAddress me = InetAddress.getLocalHost();
String dottedQuad = me.getHostAddress();
System.out.println("My address is " + dottedQuad);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}

</source>



== InetAddress: getHostName() ==



<source lang="java">

import java.net.InetAddress;
import java.net.UnknownHostException;
public class MainClass {
public static void main(String[] args) {
try {
InetAddress address = InetAddress.getLocalHost();
System.out.println("My name is " + address.getHostName());
} catch (UnknownHostException e) {
System.out.println("I"m sorry. I don"t know my own name.");
}
}
}

</source>



== InetAddress: getLocalHost() ==



<source lang="java">

import java.net.InetAddress;
public class MainClass {
public static void main(String[] args) {
try {
InetAddress me = InetAddress.getLocalHost();
String dottedQuad = me.getHostAddress();
System.out.println("My address is " + dottedQuad);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}

</source>



== InetAddress: isReachable(int timeout) ==



<source lang="java">

import java.io.IOException;
import java.net.InetAddress;
public class MainClass {
public static void main(String[] args) throws IOException {
try {
int timeout = 2000;
InetAddress[] addresses = InetAddress.getAllByName("www.jexp.ru");
for (InetAddress address : addresses) {
if (address.isReachable(timeout))
System.out.printf("%s is reachable%n", address);
else
System.out.printf("%s could not be contacted%n", address);
}
} catch (Exception e) {
System.out.printf("Unknown host: %s%n", "www.jexp.ru");
}
}
}

</source>

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Java by API/java.net/InetAddress - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия