Package org.hl7.fhir.dstu2.model

Class ExtensionHelper

java.lang.Object

org.hl7.fhir.dstu2.model.ExtensionHelper

public class ExtensionHelper
extends Object

in a language with helper classes, this would be a helper class (at least, the base exgtension helpers would be)

Author:

Grahame

Constructor Summary

Constructors

Constructor	Description
ExtensionHelper()

Method Summary

Modifier and Type	Method	Description
static Extension	getExtension(BackboneElement element, String name)
static Extension	getExtension(Element element, String name)
static boolean	hasExtension(BackboneElement element, String name)
static boolean	hasExtension(Element element, String name)
static boolean	hasExtensions(Element element)
static void	setExtension(Element element, boolean modifier, String uri, Type value)	set the value of an extension on the element.

Methods inherited from class java.lang.Object

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

Constructor Details

ExtensionHelper

public ExtensionHelper()

Method Details

hasExtension

public static boolean hasExtension(Element element,
 String name)

Parameters:

name - the identity of the extension of interest

Returns:

true if the named extension is on this element. Will check modifier extensions too if appropriate

hasExtension

public static boolean hasExtension(BackboneElement element,
 String name)

Parameters:

name - the identity of the extension of interest

Returns:

true if the named extension is on this element. Will check modifier extensions

getExtension

public static Extension getExtension(Element element,
 String name)

Parameters:

name - the identity of the extension of interest

Returns:

The extension, if on this element, else null. will check modifier extensions too, if appropriate

getExtension

public static Extension getExtension(BackboneElement element,
 String name)

Parameters:

name - the identity of the extension of interest

Returns:

The extension, if on this element, else null. will check modifier extensions too

setExtension

public static void setExtension(Element element,
 boolean modifier,
 String uri,
 Type value)
                         throws org.hl7.fhir.exceptions.FHIRException

set the value of an extension on the element. if value == null, make sure it doesn't exist

Parameters:

element - - the element to act on. Can also be a backbone element

modifier - - whether this is a modifier. Note that this is a definitional property of the extension; don't alternate

uri - - the identifier for the extension

value - - the value of the extension. Delete if this is null @- if the modifier logic is incorrect

Throws:

org.hl7.fhir.exceptions.FHIRException

hasExtensions

public static boolean hasExtensions(Element element)