net.sourceforge.jsdp.util
Class Resource

java.lang.Object
  net.sourceforge.jsdp.util.Address
      net.sourceforge.jsdp.util.Resource

All Implemented Interfaces:

Serializable, Cloneable

public class Resource
extends Address

A network resource specified in a SDP message.

Since:

0.1.0

Version:

1.0

Author:

Claudio Di Vita

See Also:

Serialized Form

Field Summary

protected int	addresses The number of addresses available for the resource
protected int	ttl The resource TTL

Fields inherited from class net.sourceforge.jsdp.util.Address

address, addressType, IN, IP4, IP6

Constructor Summary

protected	Resource() Creates a new Resource.
	Resource(String address) Creates a new Resource.
	Resource(String address, int ttl) Creates a new Resource.
	Resource(String address, int ttl, int addresses) Creates a new Resource.

Method Summary

Object	clone() Returns a clone of this resource.
int	getTTL() Returns the TTL.
boolean	hasTTL() Indicates if the resource has a TTL.
void	removeTTL() Clears the resource's TTL.
void	setAddresses(int addresses) Sets the number of addresses of the resource.
void	setTTL(int ttl) Sets the resource TTL.
String	toString() Returns a string representation of the resource.

Methods inherited from class net.sourceforge.jsdp.util.Address

equals, getAddress, getAddressType, isFQDN, isFQDN, isIPAddress, setAddress

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ttl

protected int ttl

The resource TTL

addresses

protected int addresses

The number of addresses available for the resource

Constructor Detail

Resource

protected Resource()

Creates a new Resource.

Resource

public Resource(String address)
         throws SDPException

Creates a new Resource.

Parameters:

address - the resource address. The address may contains ttl and the number of addresses too

Throws:

SDPException - if the resource informations are not valid

Resource

public Resource(String address,
                int ttl)
         throws SDPException

Creates a new Resource.

Parameters:

address - the resource address. The address cannot contains ttl and the number of addresses

ttl - The resource ttl

Throws:

SDPException - if the resource informations are not valid

Resource

public Resource(String address,
                int ttl,
                int addresses)
         throws SDPException

Creates a new Resource.

Parameters:

address - the resource address. The address cannot contains ttl and the number of addresses

ttl - the resource ttl

addresses - the number of addresses available for the resource

Throws:

SDPException - if the resource informations are not valid

Method Detail

clone

public Object clone()

Returns a clone of this resource.

Overrides:

clone in class Address

Returns:

a clone of this resource

getTTL

public int getTTL()

Returns the TTL.

Returns:

the TTL

hasTTL

public boolean hasTTL()

Indicates if the resource has a TTL.

Returns:

true if the resource has a TTL, false otherwise

removeTTL

public void removeTTL()

Clears the resource's TTL.

setAddresses

public void setAddresses(int addresses)
                  throws SDPException

Sets the number of addresses of the resource.

Parameters:

addresses - the number of addresses

Throws:

SDPException - if the number of addesses is negative

setTTL

public void setTTL(int ttl)
            throws SDPException

Sets the resource TTL.

Parameters:

ttl - the TTL

Throws:

SDPException - if the TTL is minor than 1 or greater than 255

toString

public String toString()

Returns a string representation of the resource.

Overrides:

toString in class Address

Returns:

The string representation of the address