document.java

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     * <br>Additional information is copied as appropriate to the 
     * <code>nodeType</code>, 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. 
     * <dl>
     * <dt>ATTRIBUTE_NODE</dt>
     * <dd>The <code>ownerElement</code> attribute 
     * is set to <code>null</code> and the <code>specified</code> flag is 
     * set to <code>true</code> on the generated <code>Attr</code>. The 
     * descendants of the source <code>Attr</code> are recursively imported 
     * and the resulting nodes reassembled to form the corresponding subtree.
     * Note that the <code>deep</code> parameter has no effect on 
     * <code>Attr</code> nodes; they always carry their children with them 
     * when imported.</dd>
     * <dt>DOCUMENT_FRAGMENT_NODE</dt>
     * <dd>If the <code>deep</code> option 
     * was set to <code>true</code>, the descendants of the source element 
     * are recursively imported and the resulting nodes reassembled to form 
     * the corresponding subtree. Otherwise, this simply generates an empty 
     * <code>DocumentFragment</code>.</dd>
     * <dt>DOCUMENT_NODE</dt>
     * <dd><code>Document</code> 
     * nodes cannot be imported.</dd>
     * <dt>DOCUMENT_TYPE_NODE</dt>
     * <dd><code>DocumentType</code> 
     * nodes cannot be imported.</dd>
     * <dt>ELEMENT_NODE</dt>
     * <dd>Specified attribute nodes of the 
     * source element are imported, and the generated <code>Attr</code> 
     * nodes are attached to the generated <code>Element</code>. Default 
     * attributes are not copied, though if the document being imported into 
     * defines default attributes for this element name, those are assigned. 
     * If the <code>importNode</code> <code>deep</code> parameter was set to 
     * <code>true</code>, the descendants of the source element are 
     * recursively imported and the resulting nodes reassembled to form the 
     * corresponding subtree.</dd>
     * <dt>ENTITY_NODE</dt>
     * <dd><code>Entity</code> nodes can be 
     * imported, however in the current release of the DOM the 
     * <code>DocumentType</code> is readonly. Ability to add these imported 
     * nodes to a <code>DocumentType</code> will be considered for addition 
     * to a future release of the DOM.On import, the <code>publicId</code>, 
     * <code>systemId</code>, and <code>notationName</code> attributes are 
     * copied. If a <code>deep</code> import is requested, the descendants 
     * of the the source <code>Entity</code> are recursively imported and 
     * the resulting nodes reassembled to form the corresponding subtree.</dd>
     * <dt>
     * ENTITY_REFERENCE_NODE</dt>
     * <dd>Only the <code>EntityReference</code> itself is 
     * copied, even if a <code>deep</code> 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.</dd>
     * <dt>NOTATION_NODE</dt>
     * <dd>
     * <code>Notation</code> nodes can be imported, however in the current 
     * release of the DOM the <code>DocumentType</code> is readonly. Ability 
     * to add these imported nodes to a <code>DocumentType</code> will be 
     * considered for addition to a future release of the DOM.On import, the 
     * <code>publicId</code> and <code>systemId</code> attributes are copied.
     * Note that the <code>deep</code> parameter has no effect on 
     * <code>Notation</code> nodes since they never have any children.</dd>
     * <dt>
     * PROCESSING_INSTRUCTION_NODE</dt>
     * <dd>The imported node copies its 
     * <code>target</code> and <code>data</code> values from those of the 
     * source node.</dd>
     * <dt>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE</dt>
     * <dd>These three 
     * types of nodes inheriting from <code>CharacterData</code> copy their 
     * <code>data</code> and <code>length</code> attributes from those of 
     * the source node.</dd>
     *  
     * @param importedNodeThe node to import.
     * @param deepIf <code>true</code>, recursively import the subtree under 
     *   the specified node; if <code>false</code>, import only the node 
     *   itself, as explained above. This has no effect on <code>Attr</code>
     *   , <code>EntityReference</code>, and <code>Notation</code> nodes.
     * @return The imported node that belongs to this <code>Document</code>.
     * @exception DOMException
     *   NOT_SUPPORTED_ERR: Raised if the type of node being imported is not 
     *   supported.
     * @since DOM Level 2
     */
    public Node importNode(Node importedNode, 
                           boolean deep)
                           throws DOMException;

    /**
     * Creates an element of the given qualified name and namespace URI. 
     * HTML-only DOM implementations do not need to implement this method.
     * @param namespaceURIThe namespace URI of the element to create.
     * @param qualifiedNameThe qualified name of the element type to 
     *   instantiate.
     * @return A new <code>Element</code> object with the following 
     *   attributes:AttributeValue<code>Node.nodeName</code>
     *   <code>qualifiedName</code><code>Node.namespaceURI</code>
     *   <code>namespaceURI</code><code>Node.prefix</code>prefix, extracted 
     *   from <code>qualifiedName</code>, or <code>null</code> if there is 
     *   no prefix<code>Node.localName</code>local name, extracted from 
     *   <code>qualifiedName</code><code>Element.tagName</code>
     *   <code>qualifiedName</code>
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified qualified name 
     *   contains an illegal character.
     *   <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is 
     *   malformed, if the <code>qualifiedName</code> has a prefix and the 
     *   <code>namespaceURI</code> is <code>null</code>, or if the 
     *   <code>qualifiedName</code> has a prefix that is "xml" and the 
     *   <code>namespaceURI</code> is different from "
     *   http://www.w3.org/XML/1998/namespace" .
     * @since DOM Level 2
     */
    public Element createElementNS(String namespaceURI, 
                                   String qualifiedName)
                                   throws DOMException;

    /**
     * Creates an attribute of the given qualified name and namespace URI. 
     * HTML-only DOM implementations do not need to implement this method.
     * @param namespaceURIThe namespace URI of the attribute to create.
     * @param qualifiedNameThe qualified name of the attribute to instantiate.
     * @return A new <code>Attr</code> object with the following attributes:
     *   AttributeValue<code>Node.nodeName</code>qualifiedName
     *   <code>Node.namespaceURI</code><code>namespaceURI</code>
     *   <code>Node.prefix</code>prefix, extracted from 
     *   <code>qualifiedName</code>, or <code>null</code> if there is no 
     *   prefix<code>Node.localName</code>local name, extracted from 
     *   <code>qualifiedName</code><code>Attr.name</code>
     *   <code>qualifiedName</code><code>Node.nodeValue</code>the empty 
     *   string
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified qualified name 
     *   contains an illegal character.
     *   <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is 
     *   malformed, if the <code>qualifiedName</code> has a prefix and the 
     *   <code>namespaceURI</code> is <code>null</code>, if the 
     *   <code>qualifiedName</code> has a prefix that is "xml" and the 
     *   <code>namespaceURI</code> is different from "
     *   http://www.w3.org/XML/1998/namespace", or if the 
     *   <code>qualifiedName</code> is "xmlns" and the 
     *   <code>namespaceURI</code> is different from "
     *   http://www.w3.org/2000/xmlns/".
     * @since DOM Level 2
     */
    public Attr createAttributeNS(String namespaceURI, 
                                  String qualifiedName)
                                  throws DOMException;

    /**
     * Returns a <code>NodeList</code> of all the <code>Elements</code> with a 
     * given local name and namespace URI in the order in which they are 
     * encountered in a preorder traversal of the <code>Document</code> tree.
     * @param namespaceURIThe namespace URI of the elements to match on. The 
     *   special value "*" matches all namespaces.
     * @param localNameThe local name of the elements to match on. The 
     *   special value "*" matches all local names.
     * @return A new <code>NodeList</code> object containing all the matched 
     *   <code>Elements</code>.
     * @since DOM Level 2
     */
    public NodeList getElementsByTagNameNS(String namespaceURI, 
                                           String localName);

    /**
     * Returns the <code>Element</code> whose <code>ID</code> is given by 
     * <code>elementId</code>. If no such element exists, returns 
     * <code>null</code>. Behavior is not defined if more than one element 
     * has this <code>ID</code>. The DOM implementation must have 
     * information that says which attributes are of type ID. Attributes 
     * with the name "ID" are not of type ID unless so defined. 
     * Implementations that do not know whether attributes are of type ID or 
     * not are expected to return <code>null</code>.
     * @param elementIdThe unique <code>id</code> value for an element.
     * @return The matching element.
     * @since DOM Level 2
     */
    public Element getElementById(String elementId);

}