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SOAPElement (JBoss J2EE API) - JBoss 3.2.7 j2ee API Documentation 英文版文档

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javax.xml.soap
Interface SOAPElement

All Superinterfaces:

Element, Node, Node

All Known Subinterfaces:

Detail, DetailEntry, SOAPBody, SOAPBodyElement, SOAPEnvelope, SOAPFault, SOAPFaultElement, SOAPHeader, SOAPHeaderElement

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public interface SOAPElement

extends Node, Element

An object representing an element of a SOAP message that is allowed but not specifically prescribed by a SOAP specification. This interface serves as the base interface for those objects that are specifically prescribed by a SOAP specification. Methods in this interface that are required to return SAAJ specific objects may "silently" replace nodes in the tree as required to successfully return objects of the correct type. See getChildElements() and javax.xml.soap for details.

Version:

$Revision: 1.2.4.1 $

Author:

Scott.Stark@jboss.org

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Field Summary

 

Fields inherited from interface org.w3c.dom.Node

ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE

 

Method Summary
SOAPElement	addAttribute(Name name, String value)           Adds an attribute with the specified name and value to this SOAPElement object.
SOAPElement	addChildElement(Name name)           Creates a new SOAPElement object initialized with the given Name object and adds the new element to this SOAPElement object.
SOAPElement	addChildElement(SOAPElement child)           Add a SOAPElement as a child of this SOAPElement instance.
SOAPElement	addChildElement(String name)           Creates a new SOAPElement object initialized with the specified local name and adds the new element to this SOAPElement object.
SOAPElement	addChildElement(String localName, String prefix)           Creates a new SOAPElement object initialized with the specified local name and prefix and adds the new element to this SOAPElement object.
SOAPElement	addChildElement(String localName, String prefix, String uri)           Creates a new SOAPElement object initialized with the specified local name, prefix, and URI and adds the new element to this SOAPElement object.
SOAPElement	addNamespaceDeclaration(String prefix, String uri)           Adds a namespace declaration with the specified prefix and URI to this SOAPElement object.
SOAPElement	addTextNode(String text)           Creates a new Text object initialized with the given String and adds it to this SOAPElement object.
Iterator	getAllAttributes()           Returns an Iterator over all of the attribute Name objects in this SOAPElement object.
String	getAttributeValue(Name name)           Returns the value of the attribute with the specified name.
Iterator	getChildElements()           Returns an Iterator over all the immediate child Nodes of this element.
Iterator	getChildElements(Name name)           Returns an Iterator over all the immediate child Nodes of this element with the specified name.
Name	getElementName()           Returns the name of this SOAPElement object.
String	getEncodingStyle()           Returns the encoding style for this SOAPElement object.
Iterator	getNamespacePrefixes()           Returns an Iterator over the namespace prefix Strings declared by this element.
String	getNamespaceURI(String prefix)           Returns the URI of the namespace that has the given prefix.
Iterator	getVisibleNamespacePrefixes()           Returns an Iterator over the namespace prefix Strings visible to this element.
boolean	removeAttribute(Name name)           Removes the attribute with the specified name.
void	removeContents()           Detaches all children of this SOAPElement.
boolean	removeNamespaceDeclaration(String prefix)           Removes the namespace declaration corresponding to the given prefix.
void	setEncodingStyle(String encodingStyle)           Sets the encoding style for this SOAPElement object to one specified.

 

Methods inherited from interface javax.xml.soap.Node

detachNode, getParentElement, getValue, recycleNode, setParentElement, setValue

 

Methods inherited from interface org.w3c.dom.Node

appendChild, cloneNode, getAttributes, getChildNodes, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, hasAttributes, hasChildNodes, insertBefore, isSupported, normalize, removeChild, replaceChild, setNodeValue, setPrefix

 

Methods inherited from interface org.w3c.dom.Element

getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getElementsByTagName, getElementsByTagNameNS, getTagName, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNode, removeAttributeNS, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS

 

Method Detail

addAttribute

public SOAPElement addAttribute(Name name,
                                String value)
                         throws SOAPException

Adds an attribute with the specified name and value to this SOAPElement object.

Parameters:

name - a Name object with the name of the attribute

value - a String giving the value of the attribute

Returns:

the SOAPElement object into which the attribute was inserted

Throws:

SOAPException - if there is an error in creating the Attribute

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addChildElement

public SOAPElement addChildElement(String name)
                            throws SOAPException

Creates a new SOAPElement object initialized with the specified local name and adds the new element to this SOAPElement object.

Parameters:

name - a String giving the local name for the element

Returns:

the new SOAPElement object that was created

Throws:

SOAPException - if there is an error in creating the SOAPElement object

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addChildElement

public SOAPElement addChildElement(String localName,
                                   String prefix)
                            throws SOAPException

Creates a new SOAPElement object initialized with the specified local name and prefix and adds the new element to this SOAPElement object.

Parameters:

localName - a String giving the local name for the new element

prefix - a String giving the namespace prefix for the new element

Returns:

the new SOAPElement object that was created

Throws:

SOAPException - if there is an error in creating the SOAPElement object

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addChildElement

public SOAPElement addChildElement(String localName,
                                   String prefix,
                                   String uri)
                            throws SOAPException

Creates a new SOAPElement object initialized with the specified local name, prefix, and URI and adds the new element to this SOAPElement object.

Parameters:

localName - a String giving the local name for the new element

prefix - a String giving the namespace prefix for the new element

uri - a String giving the URI of the namespace to which the new element belongs

Returns:

the new SOAPElement object that was created

Throws:

SOAPException - if there is an error in creating the SOAPElement object

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addChildElement

public SOAPElement addChildElement(Name name)
                            throws SOAPException

Creates a new SOAPElement object initialized with the given Name object and adds the new element to this SOAPElement object.

Parameters:

name - a Name object with the XML name for the new element

Returns:

the new SOAPElement object that was created

Throws:

SOAPException - if there is an error in creating the SOAPElement object

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addChildElement

public SOAPElement addChildElement(SOAPElement child)
                            throws SOAPException

Add a SOAPElement as a child of this SOAPElement instance. The SOAPElement is expected to be created by a SOAPElementFactory. Callers should not rely on the element instance being added as is into the XML tree. Implementations could end up copying the content of the SOAPElement passed into an instance of a different SOAPElement implementation. For instance if addChildElement() is called on a SOAPHeader, element will be copied into an instance of a SOAPHeaderElement. The fragment rooted in element is either added as a whole or not at all, if there was an error. The fragment rooted in element cannot contain elements named "Envelope", "Header" or "Body" and in the SOAP namespace. Any namespace prefixes present in the fragment should be fully resolved using appropriate namespace declarations within the fragment itself.

Parameters:

child - the SOAPElement to be added as a new child

Returns:

an instance representing the new SOAP element that was actually added to the tree.

Throws:

SOAPException - if there was an error in adding this element as a child

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addNamespaceDeclaration

public SOAPElement addNamespaceDeclaration(String prefix,
                                           String uri)
                                    throws SOAPException

Adds a namespace declaration with the specified prefix and URI to this SOAPElement object.

Parameters:

prefix - a String giving the prefix of the namespace

uri - a String giving the uri of the namespace

Returns:

the SOAPElement object into which this namespace declaration was inserted.

Throws:

SOAPException - if there is an error in creating the namespace

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addTextNode

public SOAPElement addTextNode(String text)
                        throws SOAPException

Creates a new Text object initialized with the given String and adds it to this SOAPElement object.

Parameters:

text - a String object with the textual content to be added

Returns:

the SOAPElement object into which the new Text object was inserted

Throws:

SOAPException - if there is an error in creating the new Text object

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getAllAttributes

public Iterator getAllAttributes()

Returns an Iterator over all of the attribute Name objects in this SOAPElement object. The iterator can be used to get the attribute names, which can then be passed to the method getAttributeValue to retrieve the value of each attribute.

Returns:

an iterator over the names of the attributes

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getAttributeValue

public String getAttributeValue(Name name)

Returns the value of the attribute with the specified name.

Parameters:

name - a Name object with the name of the attribute

Returns:

a String giving the value of the specified attribute

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getChildElements

public Iterator getChildElements()

Returns an Iterator over all the immediate child Nodes of this element. This includes javax.xml.soap.Text objects as well as SOAPElement objects. Calling this method may cause child Element, SOAPElement and org.w3c.dom.Text nodes to be replaced by SOAPElement, SOAPHeaderElement, SOAPBodyElement or javax.xml.soap.Text nodes as appropriate for the type of this parent node. As a result the calling application must treat any existing references to these child nodes that have been obtained through DOM APIs as invalid and either discard them or refresh them with the values returned by this Iterator. This behavior can be avoided by calling the equivalent DOM APIs. See javax.xml.soap for more details.

Returns:

an iterator with the content of this SOAPElement object

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getChildElements

public Iterator getChildElements(Name name)

Returns an Iterator over all the immediate child Nodes of this element with the specified name. All of these children will be SOAPElement nodes. Calling this method may cause child Element, SOAPElement and org.w3c.dom.Text nodes to be replaced by SOAPElement, SOAPHeaderElement, SOAPBodyElement or javax.xml.soap.Text nodes as appropriate for the type of this parent node. As a result the calling application must treat any existing references to these child nodes that have been obtained through DOM APIs as invalid and either discard them or refresh them with the values returned by this Iterator. This behavior can be avoided by calling the equivalent DOM APIs. See javax.xml.soap for more details.

Parameters:

name - a Name object with the name of the child elements to be returned

Returns:

an Iterator object over all the elements in this SOAPElement object with the specified name

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getElementName

public Name getElementName()

Returns the name of this SOAPElement object.

Returns:

a Name object with the name of this SOAPElement object

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getEncodingStyle

public String getEncodingStyle()

Returns the encoding style for this SOAPElement object.

Returns:

a String giving the encoding style

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getNamespacePrefixes

public Iterator getNamespacePrefixes()

Returns an Iterator over the namespace prefix Strings declared by this element. The prefixes returned by this iterator can be passed to the method getNamespaceURI to retrieve the URI of each namespace.

Returns:

an iterator over the namespace prefixes in this SOAPElement object

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getNamespaceURI

public String getNamespaceURI(String prefix)

Returns the URI of the namespace that has the given prefix.

Parameters:

prefix - a String giving the prefix of the namespace for which to search

Returns:

a String with the uri of the namespace that has the given prefix

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getVisibleNamespacePrefixes

public Iterator getVisibleNamespacePrefixes()

Returns an Iterator over the namespace prefix Strings visible to this element. The prefixes returned by this iterator can be passed to the method getNamespaceURI to retrieve the URI of each namespace.

Returns:

an iterator over the namespace prefixes are within scope of this SOAPElement object

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removeAttribute

public boolean removeAttribute(Name name)

Removes the attribute with the specified name.

Parameters:

name - the Name object with the name of the attribute to be removed

Returns:

true if the attribute was removed successfully; false if it was not

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removeContents

public void removeContents()

Detaches all children of this SOAPElement. This method is useful for rolling back the construction of partially completed SOAPHeaders and SOAPBodys in preparation for sending a fault when an error condition is detected. It is also useful for recycling portions of a document within a SOAP message.

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removeNamespaceDeclaration

public boolean removeNamespaceDeclaration(String prefix)

Removes the namespace declaration corresponding to the given prefix.

Parameters:

prefix - a String giving the prefix for which to search

Returns:

true if the namespace declaration was removed successfully; false if it was not

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setEncodingStyle

public void setEncodingStyle(String encodingStyle)
                      throws SOAPException

Sets the encoding style for this SOAPElement object to one specified.

Parameters:

encodingStyle - a String giving the encoding style

Throws:

SOAPException - if there was a problem in the encoding style being set.

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