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2002-10-04 Michael Koch <konqueror@gmx.de>

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* java/net/InetAddress.java:
	(isMulticastAddress): Added documentation.
	(getHostAddress): Added documentation.
	(toString): Added documentation.
	(getByAddress): Fixed documentation.
	(getByName): Added documentation.
	(getAllByName): Added documentation.
	(getLocalHost): Added documentation.

From-SVN: r57814
This commit is contained in:
Michael Koch 2002-10-04 08:49:26 +00:00 • committed by Michael Koch
parent 9c826022f9
commit cc40c1e130
2 changed files with 50 additions and 2 deletions
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41
libjava/java/net/InetAddress.java
View file

@ -12,6 +12,7 @@ package java.net;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.IOException;
import java.io.Serializable;
/**
* @author Per Bothner
@ -27,7 +28,7 @@ import java.io.IOException;
* @specnote This class is not final since JK 1.4
*/
public class InetAddress implements java.io.Serializable
public class InetAddress implements Serializable
{
// The Serialized Form specifies that an int 'address' is saved/restored.
// This class uses a byte array internally so we'll just do the conversion
@ -80,6 +81,11 @@ public class InetAddress implements java.io.Serializable
family = getFamily (address);
}
/**
* Utility routine to check if the InetAddress is an IP multicast address
*
* @since 1.1
*/
public boolean isMulticastAddress ()
{
int len = addr.length;
@ -127,6 +133,11 @@ public class InetAddress implements java.io.Serializable
}
}
/**
* Returns the IP address as string
*
* @since 1.0.2
*/
public String getHostAddress ()
{
StringBuffer sbuf = new StringBuffer(40);
@ -204,6 +215,9 @@ public class InetAddress implements java.io.Serializable
return true;
}
/**
* Returns then <code>InetAddress</code> as string
*/
public String toString()
{
return getHostName()+'/'+getHostAddress();
@ -215,7 +229,7 @@ public class InetAddress implements java.io.Serializable
* The argument is in network byte order: the highest order byte of the
* address is in getAddress()[0].
*
* @exception UnknownHostException If no IP address for the host could
* @exception UnknownHostException If IP address has illegal length
* be found
*
* @since 1.4
@ -236,6 +250,14 @@ public class InetAddress implements java.io.Serializable
private static native InetAddress[] lookup
(String hostname, InetAddress addr, boolean all);
/**
* Determines the IP address of a host, given the host's name.
*
* @exception UnknownHostException If no IP address for the host could
* be found
* @exception SecurityException If a security manager exists and its
* checkConnect method doesn't allow the operation
*/
public static InetAddress getByName (String host)
throws UnknownHostException
{
@ -249,6 +271,15 @@ public class InetAddress implements java.io.Serializable
return iaddr;
}
/**
* Given the name of a host, returns an array of its IP addresses,
* based on the configured name service on the system.
*
* @exception UnknownHostException If no IP address for the host could
* be found
* @exception SecurityException If a security manager exists and its
* checkConnect method doesn't allow the operation
*/
public static InetAddress[] getAllByName (String host)
throws UnknownHostException
{
@ -272,6 +303,12 @@ public class InetAddress implements java.io.Serializable
private static InetAddress localhost = null;
/**
* Returns the local host
*
* @exception UnknownHostException If no IP address for the host could
* be found
*/
public static InetAddress getLocalHost() throws UnknownHostException
{
SecurityManager s = System.getSecurityManager();