se.litsec.opensaml.saml2.attribute

Class AttributeUtils

java.lang.Object

se.litsec.opensaml.saml2.attribute.AttributeUtils

public class AttributeUtils
extends Object

Helper methods for accessing attribute values. See also AttributeBuilder.

Author:

Martin Lindström (martin.lindstrom@litsec.se)

See Also:

AttributeBuilder

Method Summary

Modifier and Type	Method and Description
static Optional<Attribute>	getAttribute(String name, List<Attribute> attributes) Returns an attribute with a given name from an attribute list.
static String	getAttributeStringValue(Attribute attribute) Given a single-valued string attribute, this method returns its string value.
static List<String>	getAttributeStringValues(Attribute attribute) Given an attribute holding string values this method will return a list of these values.
static <T extends XMLObject> T	getAttributeValue(Attribute attribute, Class<T> type) Given a single-valued attribute, this method returns its value (of the given type).
static <T extends XMLObject> List<T>	getAttributeValues(Attribute attribute, Class<T> type) Returns the attribute values of the given type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getAttributeStringValues

public static List<String> getAttributeStringValues(Attribute attribute)

Given an attribute holding string values this method will return a list of these values.

Parameters:

attribute - the attribute

Returns:

a (possibly empty) list of string values

getAttributeStringValue

public static String getAttributeStringValue(Attribute attribute)

Given a single-valued string attribute, this method returns its string value.

Parameters:

attribute - the attribute

Returns:

the value, or null if no value is stored

getAttributeValues

public static <T extends XMLObject> List<T> getAttributeValues(Attribute attribute,
                                                               Class<T> type)

Returns the attribute values of the given type.

Type Parameters:

T - the value type

Parameters:

attribute - the attribute

type - the type to match

Returns:

a (possibly empty) list of values.

getAttributeValue

public static <T extends XMLObject> T getAttributeValue(Attribute attribute,
                                                        Class<T> type)

Given a single-valued attribute, this method returns its value (of the given type).

Type Parameters:

T - the value type

Parameters:

attribute - the attribute

type - the type to match

Returns:

the value, or null

getAttribute

public static Optional<Attribute> getAttribute(String name,
                                               List<Attribute> attributes)

Returns an attribute with a given name from an attribute list.

Parameters:

name - the attribute name

attributes - the list of attributes

Returns:

the attribute or Optional.empty()