Document interface represents the entire HTML or XML
* document. Conceptually, it is the root of the document tree, and provides
* the primary access to the document's data.
* Since elements, text nodes, comments, processing instructions, etc.
* cannot exist outside the context of a Document, the
* Document interface also contains the factory methods needed
* to create these objects. The Node objects created have a
* ownerDocument attribute which associates them with the
* Document within whose context they were created.
*
See also the Document Object Model (DOM) Level 3 Core Specification.
*/
public interface Document extends Node {
/**
* The Document Type Declaration (see DocumentType)
* associated with this document. For XML documents without a document
* type declaration this returns null. For HTML documents,
* a DocumentType object may be returned, independently of
* the presence or absence of document type declaration in the HTML
* document.
*
This provides direct access to the DocumentType node,
* child node of this Document. This node can be set at
* document creation time and later changed through the use of child
* nodes manipulation methods, such as Node.insertBefore,
* or Node.replaceChild. Note, however, that while some
* implementations may instantiate different types of
* Document objects supporting additional features than the
* "Core", such as "HTML" [DOM Level 2 HTML]
* , based on the DocumentType specified at creation time,
* changing it afterwards is very unlikely to result in a change of the
* features supported.
*
* @since DOM Level 3
*/
public DocumentType getDoctype();
/**
* The DOMImplementation object that handles this document. A
* DOM application may use objects from multiple implementations.
*/
public DOMImplementation getImplementation();
/**
* This is a convenience attribute that allows direct access to the child
* node that is the document element of the document.
*/
public Element getDocumentElement();
/**
* Creates an element of the type specified. Note that the instance
* returned implements the Element interface, so attributes
* can be specified directly on the returned object.
*
In addition, if there are known attributes with default values,
* Attr nodes representing them are automatically created
* and attached to the element.
*
To create an element with a qualified name and namespace URI, use
* the createElementNS method.
* @param tagName The name of the element type to instantiate. For XML,
* this is case-sensitive, otherwise it depends on the
* case-sensitivity of the markup language in use. In that case, the
* name is mapped to the canonical form of that markup by the DOM
* implementation.
* @return A new Element object with the
* nodeName attribute set to tagName, and
* localName, prefix, and
* namespaceURI set to null.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name is not an XML
* name according to the XML version in use specified in the
* Document.xmlVersion attribute.
*/
public Element createElement(String tagName)
throws DOMException;
/**
* Creates an empty DocumentFragment object.
* @return A new DocumentFragment.
*/
public DocumentFragment createDocumentFragment();
/**
* Creates a Text node given the specified string.
* @param data The data for the node.
* @return The new Text object.
*/
public Text createTextNode(String data);
/**
* Creates a Comment node given the specified string.
* @param data The data for the node.
* @return The new Comment object.
*/
public Comment createComment(String data);
/**
* Creates a CDATASection node whose value is the specified
* string.
* @param data The data for the CDATASection contents.
* @return The new CDATASection object.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
*/
public CDATASection createCDATASection(String data)
throws DOMException;
/**
* Creates a ProcessingInstruction node given the specified
* name and data strings.
* @param target The target part of the processing instruction.Unlike
* Document.createElementNS or
* Document.createAttributeNS, no namespace well-formed
* checking is done on the target name. Applications should invoke
* Document.normalizeDocument() with the parameter "
* namespaces" set to true in order to ensure that the
* target name is namespace well-formed.
* @param data The data for the node.
* @return The new ProcessingInstruction object.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified target is not an XML
* name according to the XML version in use specified in the
* Document.xmlVersion attribute.
*
NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
*/
public ProcessingInstruction createProcessingInstruction(String target,
String data)
throws DOMException;
/**
* Creates an Attr of the given name. Note that the
* Attr instance can then be set on an Element
* using the setAttributeNode method.
*
To create an attribute with a qualified name and namespace URI, use
* the createAttributeNS method.
* @param name The name of the attribute.
* @return A new Attr object with the nodeName
* attribute set to name, and localName,
* prefix, and namespaceURI set to
* null. The value of the attribute is the empty string.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name is not an XML
* name according to the XML version in use specified in the
* Document.xmlVersion attribute.
*/
public Attr createAttribute(String name)
throws DOMException;
/**
* Creates an EntityReference object. In addition, if the
* referenced entity is known, the child list of the
* EntityReference node is made the same as that of the
* corresponding Entity node.
*
Note: If any descendant of the Entity node has
* an unbound namespace prefix, the corresponding descendant of the
* created EntityReference node is also unbound; (its
* namespaceURI is null). The DOM Level 2 and
* 3 do not support any mechanism to resolve namespace prefixes in this
* case.
* @param name The name of the entity to reference.Unlike
* Document.createElementNS or
* Document.createAttributeNS, no namespace well-formed
* checking is done on the entity name. Applications should invoke
* Document.normalizeDocument() with the parameter "
* namespaces" set to true in order to ensure that the
* entity name is namespace well-formed.
* @return The new EntityReference object.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name is not an XML
* name according to the XML version in use specified in the
* Document.xmlVersion attribute.
*
NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
*/
public EntityReference createEntityReference(String name)
throws DOMException;
/**
* Returns a NodeList of all the Elements in
* document order with a given tag name and are contained in the
* document.
* @param tagname The name of the tag to match on. The special value "*"
* matches all tags. For XML, the tagname parameter is
* case-sensitive, otherwise it depends on the case-sensitivity of the
* markup language in use.
* @return A new NodeList object containing all the matched
* Elements.
*/
public NodeList getElementsByTagName(String tagname);
/**
* Imports a node from another document to this document, without altering
* or removing the source node from the original document; this method
* creates a new copy of the source node. The returned node has no
* parent; (parentNode is null).
*
For all nodes, importing a node creates a node object owned by the
* importing document, with attribute values identical to the source
* node's nodeName and nodeType, plus the
* attributes related to namespaces (prefix,
* localName, and namespaceURI). As in the
* cloneNode operation, the source node is not altered.
* User data associated to the imported node is not carried over.
* However, if any UserDataHandlers has been specified
* along with the associated data these handlers will be called with the
* appropriate parameters before this method returns.
*
Additional information is copied as appropriate to the
* nodeType, attempting to mirror the behavior expected if
* a fragment of XML or HTML source was copied from one document to
* another, recognizing that the two documents may have different DTDs
* in the XML case. The following list describes the specifics for each
* type of node.
*
ownerElement attribute
* is set to null and the specified flag is
* set to true on the generated Attr. The
* descendants of the source Attr are recursively imported
* and the resulting nodes reassembled to form the corresponding subtree.
* Note that the deep parameter has no effect on
* Attr nodes; they always carry their children with them
* when imported.deep option
* was set to true, the descendants of the source
* DocumentFragment are recursively imported and the
* resulting nodes reassembled under the imported
* DocumentFragment to form the corresponding subtree.
* Otherwise, this simply generates an empty
* DocumentFragment.Document
* nodes cannot be imported.DocumentType
* nodes cannot be imported.Attr nodes are attached to the generated
* Element. Default attributes are not copied, though if the document being imported into defines default
* attributes for this element name, those are assigned. If the
* importNode deep parameter was set to
* true, the descendants of the source element are
* recursively imported and the resulting nodes reassembled to form the
* corresponding subtree.Entity nodes can be
* imported, however in the current release of the DOM the
* DocumentType is readonly. Ability to add these imported
* nodes to a DocumentType will be considered for addition
* to a future release of the DOM.On import, the publicId,
* systemId, and notationName attributes are
* copied. If a deep import is requested, the descendants
* of the the source Entity are recursively imported and
* the resulting nodes reassembled to form the corresponding subtree.EntityReference itself is
* copied, even if a deep import is requested, since the
* source and destination documents might have defined the entity
* differently. If the document being imported into provides a
* definition for this entity name, its value is assigned.Notation nodes can be imported, however in the current
* release of the DOM the DocumentType is readonly. Ability
* to add these imported nodes to a DocumentType will be
* considered for addition to a future release of the DOM.On import, the
* publicId and systemId attributes are copied.
* Note that the deep parameter has no effect on this type
* of nodes since they cannot have any children.target and data values from those of the
* source node.Note that the deep parameter has no effect
* on this type of nodes since they cannot have any children.CharacterData copy their data and
* length attributes from those of the source node.Note
* that the deep parameter has no effect on these types of
* nodes since they cannot have any children.true, recursively import the subtree under
* the specified node; if false, import only the node
* itself, as explained above. This has no effect on nodes that cannot
* have any children, and on Attr, and
* EntityReference nodes.
* @return The imported node that belongs to this Document.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if the type of node being imported is not
* supported.
* Document.xmlVersion attribute. This may happen when
* importing an XML 1.1 [XML 1.1] element
* into an XML 1.0 document, for instance.
* @since DOM Level 2
*/
public Node importNode(Node importedNode,
boolean deep)
throws DOMException;
/**
* Creates an element of the given qualified name and namespace URI.
* null as the
* namespaceURI parameter for methods if they wish to have no namespace.
* @param namespaceURI The namespace URI of the element to create.
* @param qualifiedName The qualified name of the element type to
* instantiate.
* @return A new Element object with the following
* attributes:
* | Attribute | *Value | *
|---|---|
Node.nodeName |
*
* qualifiedName |
*
Node.namespaceURI |
*
* namespaceURI |
*
Node.prefix |
* prefix, extracted
* from qualifiedName, or null if there is
* no prefix |
*
Node.localName |
* local name, extracted from
* qualifiedName |
*
Element.tagName |
*
* qualifiedName |
*
qualifiedName is not an XML name according to the XML
* version in use specified in the Document.xmlVersion
* attribute.
* qualifiedName is a
* malformed qualified name, if the qualifiedName has a
* prefix and the namespaceURI is null, or
* if the qualifiedName has a prefix that is "xml" and
* the namespaceURI is different from "
* http://www.w3.org/XML/1998/namespace" [XML Namespaces]
* , or if the qualifiedName or its prefix is "xmlns" and
* the namespaceURI is different from "http://www.w3.org/2000/xmlns/", or if the namespaceURI is "http://www.w3.org/2000/xmlns/" and neither the qualifiedName nor its prefix is "xmlns".
* "XML" feature, since namespaces were
* defined by XML.
* @since DOM Level 2
*/
public Element createElementNS(String namespaceURI,
String qualifiedName)
throws DOMException;
/**
* Creates an attribute of the given qualified name and namespace URI.
* null as the
* namespaceURI parameter for methods if they wish to have
* no namespace.
* @param namespaceURI The namespace URI of the attribute to create.
* @param qualifiedName The qualified name of the attribute to
* instantiate.
* @return A new Attr object with the following attributes:
* | * Attribute | *Value | *
|---|---|
Node.nodeName |
* qualifiedName | *
* Node.namespaceURI |
* namespaceURI |
*
* Node.prefix |
* prefix, extracted from
* qualifiedName, or null if there is no
* prefix |
*
Node.localName |
* local name, extracted from
* qualifiedName |
*
Attr.name |
*
* qualifiedName |
*
Node.nodeValue |
* the empty * string | *
qualifiedName is not an XML name according to the XML
* version in use specified in the Document.xmlVersion
* attribute.
* qualifiedName is a
* malformed qualified name, if the qualifiedName has a
* prefix and the namespaceURI is null, if
* the qualifiedName has a prefix that is "xml" and the
* namespaceURI is different from "
* http://www.w3.org/XML/1998/namespace", if the qualifiedName or its prefix is "xmlns" and the
* namespaceURI is different from "http://www.w3.org/2000/xmlns/", or if the namespaceURI is "http://www.w3.org/2000/xmlns/" and neither the qualifiedName nor its prefix is "xmlns".
* "XML" feature, since namespaces were
* defined by XML.
* @since DOM Level 2
*/
public Attr createAttributeNS(String namespaceURI,
String qualifiedName)
throws DOMException;
/**
* Returns a NodeList of all the Elements with a
* given local name and namespace URI in document order.
* @param namespaceURI The namespace URI of the elements to match on. The
* special value "*" matches all namespaces.
* @param localName The local name of the elements to match on. The
* special value "*" matches all local names.
* @return A new NodeList object containing all the matched
* Elements.
* @since DOM Level 2
*/
public NodeList getElementsByTagNameNS(String namespaceURI,
String localName);
/**
* Returns the Element that has an ID attribute with the
* given value. If no such element exists, this returns null
* . If more than one element has an ID attribute with that value, what
* is returned is undefined.
* Attr.isId to determine if an attribute is of type ID.
* Note: Attributes with the name "ID" or "id" are not of type
* ID unless so defined.
* @param elementId The unique id value for an element.
* @return The matching element or null if there is none.
* @since DOM Level 2
*/
public Element getElementById(String elementId);
/**
* An attribute specifying the encoding used for this document at the time
* of the parsing. This is null when it is not known, such
* as when the Document was created in memory.
* @since DOM Level 3
*/
public String getInputEncoding();
/**
* An attribute specifying, as part of the XML declaration, the encoding of this document. This is null when
* unspecified or when it is not known, such as when the
* Document was created in memory.
* @since DOM Level 3
*/
public String getXmlEncoding();
/**
* An attribute specifying, as part of the XML declaration, whether this document is standalone. This is false when
* unspecified.
*
Note: No verification is done on the value when setting
* this attribute. Applications should use
* Document.normalizeDocument() with the "validate"
* parameter to verify if the value matches the validity
* constraint for standalone document declaration as defined in [XML 1.0].
* @since DOM Level 3
*/
public boolean getXmlStandalone();
/**
* An attribute specifying, as part of the XML declaration, whether this document is standalone. This is false when
* unspecified.
*
Note: No verification is done on the value when setting
* this attribute. Applications should use
* Document.normalizeDocument() with the "validate"
* parameter to verify if the value matches the validity
* constraint for standalone document declaration as defined in [XML 1.0].
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if this document does not support the
* "XML" feature.
* @since DOM Level 3
*/
public void setXmlStandalone(boolean xmlStandalone)
throws DOMException;
/**
* An attribute specifying, as part of the XML declaration, the version number of this document. If there is no declaration and if
* this document supports the "XML" feature, the value is
* "1.0". If this document does not support the "XML"
* feature, the value is always null. Changing this
* attribute will affect methods that check for invalid characters in
* XML names. Application should invoke
* Document.normalizeDocument() in order to check for
* invalid characters in the Nodes that are already part of
* this Document.
*
DOM applications may use the
* DOMImplementation.hasFeature(feature, version) method
* with parameter values "XMLVersion" and "1.0" (respectively) to
* determine if an implementation supports [XML 1.0]. DOM
* applications may use the same method with parameter values
* "XMLVersion" and "1.1" (respectively) to determine if an
* implementation supports [XML 1.1]. In both
* cases, in order to support XML, an implementation must also support
* the "XML" feature defined in this specification. Document
* objects supporting a version of the "XMLVersion" feature must not
* raise a NOT_SUPPORTED_ERR exception for the same version
* number when using Document.xmlVersion.
* @since DOM Level 3
*/
public String getXmlVersion();
/**
* An attribute specifying, as part of the XML declaration, the version number of this document. If there is no declaration and if
* this document supports the "XML" feature, the value is
* "1.0". If this document does not support the "XML"
* feature, the value is always null. Changing this
* attribute will affect methods that check for invalid characters in
* XML names. Application should invoke
* Document.normalizeDocument() in order to check for
* invalid characters in the Nodes that are already part of
* this Document.
*
DOM applications may use the
* DOMImplementation.hasFeature(feature, version) method
* with parameter values "XMLVersion" and "1.0" (respectively) to
* determine if an implementation supports [XML 1.0]. DOM
* applications may use the same method with parameter values
* "XMLVersion" and "1.1" (respectively) to determine if an
* implementation supports [XML 1.1]. In both
* cases, in order to support XML, an implementation must also support
* the "XML" feature defined in this specification. Document
* objects supporting a version of the "XMLVersion" feature must not
* raise a NOT_SUPPORTED_ERR exception for the same version
* number when using Document.xmlVersion.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if the version is set to a value that is
* not supported by this Document or if this document
* does not support the "XML" feature.
* @since DOM Level 3
*/
public void setXmlVersion(String xmlVersion)
throws DOMException;
/**
* An attribute specifying whether error checking is enforced or not. When
* set to false, the implementation is free to not test
* every possible error case normally defined on DOM operations, and not
* raise any DOMException on DOM operations or report
* errors while using Document.normalizeDocument(). In case
* of error, the behavior is undefined. This attribute is
* true by default.
* @since DOM Level 3
*/
public boolean getStrictErrorChecking();
/**
* An attribute specifying whether error checking is enforced or not. When
* set to false, the implementation is free to not test
* every possible error case normally defined on DOM operations, and not
* raise any DOMException on DOM operations or report
* errors while using Document.normalizeDocument(). In case
* of error, the behavior is undefined. This attribute is
* true by default.
* @since DOM Level 3
*/
public void setStrictErrorChecking(boolean strictErrorChecking);
/**
* The location of the document or null if undefined or if
* the Document was created using
* DOMImplementation.createDocument. No lexical checking is
* performed when setting this attribute; this could result in a
* null value returned when using Node.baseURI
* .
*
Beware that when the Document supports the feature
* "HTML" [DOM Level 2 HTML]
* , the href attribute of the HTML BASE element takes precedence over
* this attribute when computing Node.baseURI.
* @since DOM Level 3
*/
public String getDocumentURI();
/**
* The location of the document or null if undefined or if
* the Document was created using
* DOMImplementation.createDocument. No lexical checking is
* performed when setting this attribute; this could result in a
* null value returned when using Node.baseURI
* .
*
Beware that when the Document supports the feature
* "HTML" [DOM Level 2 HTML]
* , the href attribute of the HTML BASE element takes precedence over
* this attribute when computing Node.baseURI.
* @since DOM Level 3
*/
public void setDocumentURI(String documentURI);
/**
* Attempts to adopt a node from another document to this document. If
* supported, it changes the ownerDocument of the source
* node, its children, as well as the attached attribute nodes if there
* are any. If the source node has a parent it is first removed from the
* child list of its parent. This effectively allows moving a subtree
* from one document to another (unlike importNode() which
* create a copy of the source node instead of moving it). When it
* fails, applications should use Document.importNode()
* instead. Note that if the adopted node is already part of this
* document (i.e. the source and target document are the same), this
* method still has the effect of removing the source node from the
* child list of its parent, if any. The following list describes the
* specifics for each type of node.
*
ownerElement attribute is set to null and
* the specified flag is set to true on the
* adopted Attr. The descendants of the source
* Attr are recursively adopted.Document nodes cannot be adopted.DocumentType nodes cannot be adopted.Entity nodes cannot be adopted.EntityReference node itself is adopted, the
* descendants are discarded, since the source and destination documents
* might have defined the entity differently. If the document being
* imported into provides a definition for this entity name, its value
* is assigned.Notation nodes cannot be
* adopted.Note: Since it does not create new nodes unlike the
* Document.importNode() method, this method does not raise
* an INVALID_CHARACTER_ERR exception, and applications
* should use the Document.normalizeDocument() method to
* check if an imported name is not an XML name according to the XML
* version in use.
* @param source The node to move into this document.
* @return The adopted node, or null if this operation
* fails, such as when the source node comes from a different
* implementation.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if the source node is of type
* DOCUMENT, DOCUMENT_TYPE.
*
NO_MODIFICATION_ALLOWED_ERR: Raised when the source node is
* readonly.
* @since DOM Level 3
*/
public Node adoptNode(Node source)
throws DOMException;
/**
* The configuration used when Document.normalizeDocument()
* is invoked.
* @since DOM Level 3
*/
public DOMConfiguration getDomConfig();
/**
* This method acts as if the document was going through a save and load
* cycle, putting the document in a "normal" form. As a consequence,
* this method updates the replacement tree of
* EntityReference nodes and normalizes Text
* nodes, as defined in the method Node.normalize().
*
Otherwise, the actual result depends on the features being set on
* the Document.domConfig object and governing what
* operations actually take place. Noticeably this method could also
* make the document namespace well-formed according to the algorithm
* described in , check the character normalization, remove the
* CDATASection nodes, etc. See
* DOMConfiguration for details.
*
// Keep in the document
* the information defined // in the XML Information Set (Java example)
* DOMConfiguration docConfig = myDocument.getDomConfig();
* docConfig.setParameter("infoset", Boolean.TRUE);
* myDocument.normalizeDocument();
*
* Node.nodeName
* contains an invalid character according to the XML version in use,
* errors or warnings (DOMError.SEVERITY_ERROR or
* DOMError.SEVERITY_WARNING) will be reported using the
* DOMErrorHandler object associated with the "error-handler
* " parameter. Note this method might also report fatal errors (
* DOMError.SEVERITY_FATAL_ERROR) if an implementation
* cannot recover from an error.
* @since DOM Level 3
*/
public void normalizeDocument();
/**
* Rename an existing node of type ELEMENT_NODE or
* ATTRIBUTE_NODE.
* Element its
* attributes are moved to the new node, the new node is inserted at the
* position the old node used to have in its parent's child nodes list
* if it has one, the user data that was attached to the old node is
* attached to the new node.
* Element only the
* specified attributes are moved, default attributes originated from
* the DTD are updated according to the new element name. In addition,
* the implementation may update default attributes from other schemas.
* Applications should use Document.normalizeDocument() to
* guarantee these attributes are up-to-date.
* Attr that is
* attached to an Element, the node is first removed from
* the Element attributes map. Then, once renamed, either
* by modifying the existing node or creating a new one as described
* above, it is put back.
* NODE_RENAMED is fired,
* http://www.w3.org/2001/xml-events,
* DOMElementNameChanged} or {
* http://www.w3.org/2001/xml-events,
* DOMAttributeNameChanged} is fired.
* ELEMENT_NODE nor ATTRIBUTE_NODE,
* or if the implementation does not support the renaming of the
* document element.
* Document.xmlVersion attribute.
* qualifiedName is a
* malformed qualified name, if the qualifiedName has a
* prefix and the namespaceURI is null, or
* if the qualifiedName has a prefix that is "xml" and
* the namespaceURI is different from "
* http://www.w3.org/XML/1998/namespace" [XML Namespaces]
* . Also raised, when the node being renamed is an attribute, if the
* qualifiedName, or its prefix, is "xmlns" and the
* namespaceURI is different from "http://www.w3.org/2000/xmlns/".
* @since DOM Level 3
*/
public Node renameNode(Node n,
String namespaceURI,
String qualifiedName)
throws DOMException;
}