org.wso2.balana.attr

Class DNSNameAttribute

java.lang.Object

org.wso2.balana.attr.AttributeValue

org.wso2.balana.attr.DNSNameAttribute

All Implemented Interfaces:

Evaluatable, Expression

public class DNSNameAttribute
extends AttributeValue

Represents the DNSName datatype introduced in XACML 2.0. All objects of this class are immutable and all methods of the class are thread-safe.

Since:

2.0

Author:

Seth Proctor

Field Summary

Fields

Modifier and Type	Field and Description
static String	identifier Official name of this type

Constructor Summary

Constructors

Constructor and Description
DNSNameAttribute(String hostname) Creates the new DNSNameAttribute with only the required hostname component.
DNSNameAttribute(String hostname, PortRange range) Creates the new DNSNameAttribute with the optional port range component.

Method Summary

Modifier and Type	Method and Description
String	encode() Encodes the value in a form suitable for including in XML data like a request or an obligation.
boolean	equals(Object o) Returns true if the input is an instance of this class and if its value equals the value contained in this class.
String	getHostName() Returns the host name represented by this object.
static DNSNameAttribute	getInstance(Node root) Returns a new DNSNameAttribute that represents the name at a particular DOM node.
static DNSNameAttribute	getInstance(String value) Returns a new DNSNameAttribute that represents the name indicated by the String provided.
PortRange	getPortRange() Returns the port range represented by this object which will be unbound if no range was specified.
int	hashCode() Returns the hashcode value used to index and compare this object with others of the same type.
boolean	isSubdomain() Returns true if the leading character in the hostname is a '*', and therefore represents a matching subdomain, or false otherwise.
String	toString() Converts to a String representation.

Methods inherited from class org.wso2.balana.attr.AttributeValue

encode, encodeWithTags, evaluate, evaluatesToBag, getChildren, getType, isBag, returnsBag

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

identifier

public static final String identifier

Official name of this type

See Also:

Constant Field Values

Constructor Detail

DNSNameAttribute

public DNSNameAttribute(String hostname)
                 throws ParsingException

Creates the new DNSNameAttribute with only the required hostname component.

Parameters:

hostname - the host name component of the address

Throws:

ParsingException - if the hostname is invalid

DNSNameAttribute

public DNSNameAttribute(String hostname,
                        PortRange range)
                 throws ParsingException

Creates the new DNSNameAttribute with the optional port range component.

Parameters:

hostname - the host name component of the address

range - the port range

Throws:

ParsingException - if the hostname is invalid

Method Detail

getInstance

public static DNSNameAttribute getInstance(Node root)
                                    throws ParsingException

Returns a new DNSNameAttribute that represents the name at a particular DOM node.

Parameters:

root - the Node that contains the desired value

Returns:

a new DNSNameAttribute representing the appropriate value (null if there is a parsing error)

Throws:

ParsingException - if the hostname is invalid

getInstance

public static DNSNameAttribute getInstance(String value)
                                    throws ParsingException

Returns a new DNSNameAttribute that represents the name indicated by the String provided.

Parameters:

value - a string representing the name

Returns:

a new DNSNameAttribute

Throws:

ParsingException - if the hostname is invalid

getHostName

public String getHostName()

Returns the host name represented by this object.

Returns:

the host name

getPortRange

public PortRange getPortRange()

Returns the port range represented by this object which will be unbound if no range was specified.

Returns:

the port range

isSubdomain

public boolean isSubdomain()

Returns true if the leading character in the hostname is a '*', and therefore represents a matching subdomain, or false otherwise.

Returns:

true if the name represents a subdomain, false otherwise

equals

public boolean equals(Object o)

Returns true if the input is an instance of this class and if its value equals the value contained in this class.

Overrides:

equals in class Object

Parameters:

o - the object to compare

Returns:

true if this object and the input represent the same value

hashCode

public int hashCode()

Returns the hashcode value used to index and compare this object with others of the same type.

Overrides:

hashCode in class Object

Returns:

the object's hashcode value

toString

public String toString()

Converts to a String representation.

Overrides:

toString in class Object

Returns:

the String representation

encode

public String encode()

Description copied from class: AttributeValue

Encodes the value in a form suitable for including in XML data like a request or an obligation. This must return a value that could in turn be used by the factory to create a new instance with the same value.

Specified by:

encode in class AttributeValue

Returns:

a String form of the value