org.opensaml.core.xml.util

Class XMLObjectSupport

java.lang.Object

org.opensaml.core.xml.util.XMLObjectSupport

public final class XMLObjectSupport
extends Object

A helper class for working with XMLObjects.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	XMLObjectSupport() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static XMLObject	buildXMLObject(QName elementName) Build an XMLObject based on the element name.
static XMLObject	buildXMLObject(QName elementName, QName typeName) Build an XMLObject based on the element nane and xsi:type.
static <T extends XMLObject> T	cloneXMLObject(T originalXMLObject) Clone an XMLObject by brute force:
static <T extends XMLObject> T	cloneXMLObject(T originalXMLObject, boolean rootInNewDocument) Clone an XMLObject by brute force:
static XMLObjectBuilder<?>	getBuilder(QName typeOrName) Obtain an XMLObject builder for the given QName.
private static Logger	getLogger() Get an SLF4J Logger.
static Marshaller	getMarshaller(QName typeOrName) Obtain an XMLObject marshaller for the given QName.
static Marshaller	getMarshaller(XMLObject xmlObject) Obtain an XMLObject marshaller for the given XMLObject.
private static XMLObjectProviderRegistry	getProviderRegistry() Obtain the XMLObject provider registry.
static Unmarshaller	getUnmarshaller(Element element) Obtain an XMLObject unmarshaller for the given DOM Element.
static Unmarshaller	getUnmarshaller(QName typeOrName) Obtain an XMLObject unmarshaller for the given QName.
static String	lookupNamespacePrefix(XMLObject xmlObject, String namespaceURI) Get the prefix bound to the specified namespace URI within the scope of the specified XMLObject.
static String	lookupNamespaceURI(XMLObject xmlObject, String prefix) Get the namespace URI bound to the specified prefix within the scope of the specified XMLObject.
static Element	marshall(XMLObject xmlObject) Marshall an XMLObject.
static void	marshallAttribute(QName attributeName, List<String> attributeValues, Element domElement, boolean isIDAttribute) Marshall an attribute name and value to a DOM Element.
static void	marshallAttribute(QName attributeName, String attributeValue, Element domElement, boolean isIDAttribute) Marshall an attribute name and value to a DOM Element.
static void	marshallAttributeMap(AttributeMap attributeMap, Element domElement) Marshall the attributes represented by the indicated AttributeMap into the indicated DOM Element.
static void	marshallToOutputStream(XMLObject xmlObject, OutputStream outputStream) Marshall an XMLObject to an OutputStream.
static XMLObject	unmarshallFromInputStream(net.shibboleth.utilities.java.support.xml.ParserPool parserPool, InputStream inputStream) Unmarshall a Document from an InputSteam.
static XMLObject	unmarshallFromReader(net.shibboleth.utilities.java.support.xml.ParserPool parserPool, Reader reader) Unmarshall a Document from a Reader.
static void	unmarshallToAttributeMap(AttributeMap attributeMap, Attr attribute) Unmarshall a DOM Attr to an AttributeMap.

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLObjectSupport

private XMLObjectSupport()

Constructor.

Method Detail

cloneXMLObject

public static <T extends XMLObject> T cloneXMLObject(T originalXMLObject)
                                          throws MarshallingException,
                                                 UnmarshallingException

Clone an XMLObject by brute force:

1) Marshall the original object if necessary 2) Clone the resulting DOM Element 3) Unmarshall a new XMLObject tree around it.

This method variant is equivalent to cloneXMLObject(originalXMLObject, false).

Type Parameters:

T - the type of object being cloned

Parameters:

originalXMLObject - the object to be cloned

Returns:

a clone of the original object

Throws:

MarshallingException - if original object can not be marshalled

UnmarshallingException - if cloned object tree can not be unmarshalled

cloneXMLObject

@Nullable
public static <T extends XMLObject> T cloneXMLObject(@Nullable
                                              T originalXMLObject,
                                              boolean rootInNewDocument)
                                          throws MarshallingException,
                                                 UnmarshallingException

Clone an XMLObject by brute force:

1) Marshall the original object if necessary 2) Clone the resulting DOM Element 3) Unmarshall a new XMLObject tree around it.

Type Parameters:

T - the type of object being cloned

Parameters:

originalXMLObject - the object to be cloned

rootInNewDocument - if true the cloned object's cached DOM will be rooted in a new Document; if false, the original object's underlying DOM is cloned, but the cloned copy remains unrooted and owned by the original Document

Returns:

a clone of the original object

Throws:

MarshallingException - if original object can not be marshalled

UnmarshallingException - if cloned object tree can not be unmarshalled

unmarshallFromInputStream

public static XMLObject unmarshallFromInputStream(net.shibboleth.utilities.java.support.xml.ParserPool parserPool,
                                  InputStream inputStream)
                                           throws net.shibboleth.utilities.java.support.xml.XMLParserException,
                                                  UnmarshallingException

Unmarshall a Document from an InputSteam.

Parameters:

parserPool - the ParserPool instance to use

inputStream - the InputStream to unmarshall

Returns:

the unmarshalled XMLObject

Throws:

net.shibboleth.utilities.java.support.xml.XMLParserException - if there is a problem parsing the input data

UnmarshallingException - if there is a problem unmarshalling the parsed DOM

unmarshallFromReader

public static XMLObject unmarshallFromReader(net.shibboleth.utilities.java.support.xml.ParserPool parserPool,
                             Reader reader)
                                      throws net.shibboleth.utilities.java.support.xml.XMLParserException,
                                             UnmarshallingException

Unmarshall a Document from a Reader.

Parameters:

parserPool - the ParserPool instance to use

reader - the Reader to unmarshall

Returns:

the unmarshalled XMLObject

Throws:

net.shibboleth.utilities.java.support.xml.XMLParserException - if there is a problem parsing the input data

UnmarshallingException - if there is a problem unmarshalling the parsed DOM

marshall

@Nonnull
public static Element marshall(@Nonnull
                       XMLObject xmlObject)
                        throws MarshallingException

Marshall an XMLObject. If the XMLObject already has a cached DOM via XMLObject.getDOM(), that Element will be returned. Otherwise the object will be fully marshalled and that Element returned.

Parameters:

xmlObject - the XMLObject to marshall

Returns:

the marshalled Element

Throws:

MarshallingException - if there is a problem marshalling the XMLObject

marshallToOutputStream

public static void marshallToOutputStream(XMLObject xmlObject,
                          OutputStream outputStream)
                                   throws MarshallingException

Marshall an XMLObject to an OutputStream.

Parameters:

xmlObject - the XMLObject to marshall

outputStream - the OutputStream to which to marshall

Throws:

MarshallingException - if there is a problem marshalling the object

lookupNamespaceURI

public static String lookupNamespaceURI(XMLObject xmlObject,
                        String prefix)

Get the namespace URI bound to the specified prefix within the scope of the specified XMLObject.

Parameters:

xmlObject - the XMLObject from which to search

prefix - the prefix to search

Returns:

the namespace URI bound to the prefix, or none if not found

lookupNamespacePrefix

public static String lookupNamespacePrefix(XMLObject xmlObject,
                           String namespaceURI)

Get the prefix bound to the specified namespace URI within the scope of the specified XMLObject.

Parameters:

xmlObject - the XMLObject from which to search

namespaceURI - the namespace URI to search

Returns:

the prefix bound to the namespace URI, or none if not found

getLogger

private static Logger getLogger()

Get an SLF4J Logger.

Returns:

a Logger instance

marshallAttribute

public static void marshallAttribute(QName attributeName,
                     List<String> attributeValues,
                     Element domElement,
                     boolean isIDAttribute)

Marshall an attribute name and value to a DOM Element. This is particularly useful for attributes whose names appear in namespace-qualified form.

Parameters:

attributeName - the attribute name in QName form

attributeValues - the attribute values

domElement - the target element to which to marshall

isIDAttribute - flag indicating whether the attribute being marshalled should be handled as an ID-typed attribute

marshallAttribute

public static void marshallAttribute(QName attributeName,
                     String attributeValue,
                     Element domElement,
                     boolean isIDAttribute)

Marshall an attribute name and value to a DOM Element. This is particularly useful for attributes whose names appear in namespace-qualified form.

Parameters:

attributeName - the attribute name in QName form

attributeValue - the attribute value

domElement - the target element to which to marshall

isIDAttribute - flag indicating whether the attribute being marshalled should be handled as an ID-typed attribute

marshallAttributeMap

public static void marshallAttributeMap(AttributeMap attributeMap,
                        Element domElement)

Marshall the attributes represented by the indicated AttributeMap into the indicated DOM Element.

Parameters:

attributeMap - the AttributeMap

domElement - the target Element

unmarshallToAttributeMap

public static void unmarshallToAttributeMap(AttributeMap attributeMap,
                            Attr attribute)

Unmarshall a DOM Attr to an AttributeMap.

Parameters:

attributeMap - the target AttributeMap

attribute - the target DOM Attr

buildXMLObject

public static XMLObject buildXMLObject(QName elementName)

Build an XMLObject based on the element name.

Parameters:

elementName - the element name

Returns:

an XMLObject, or null if no provider registered

buildXMLObject

public static XMLObject buildXMLObject(QName elementName,
                       QName typeName)

Build an XMLObject based on the element nane and xsi:type.

Parameters:

elementName - the element name

typeName - the xsi:type

Returns:

an XMLObject, or null if no provider registered

getBuilder

public static XMLObjectBuilder<?> getBuilder(QName typeOrName)

Obtain an XMLObject builder for the given QName.

Parameters:

typeOrName - the element name or type

Returns:

an XMLObject builder, or null if no provider registered

getMarshaller

public static Marshaller getMarshaller(QName typeOrName)

Obtain an XMLObject marshaller for the given QName.

Parameters:

typeOrName - the element name or type

Returns:

an XMLObject marshaller, or null if no provider registered

getMarshaller

public static Marshaller getMarshaller(XMLObject xmlObject)

Obtain an XMLObject marshaller for the given XMLObject.

Parameters:

xmlObject - the XMLObject to be marshalled

Returns:

an XMLObject marshaller, or null if no provider registered

getUnmarshaller

public static Unmarshaller getUnmarshaller(QName typeOrName)

Obtain an XMLObject unmarshaller for the given QName.

Parameters:

typeOrName - the element name or type

Returns:

an XMLObject unmarshaller, or null if no provider registered

getUnmarshaller

public static Unmarshaller getUnmarshaller(Element element)

Obtain an XMLObject unmarshaller for the given DOM Element.

Parameters:

element - the DOM element

Returns:

an XMLObject unmarshaller, or null if no provider registered

getProviderRegistry

private static XMLObjectProviderRegistry getProviderRegistry()

Obtain the XMLObject provider registry.

Returns:

the configured XMLObject provider registry