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/* * Copyright (c) 2004 World Wide Web Consortium, * * (Massachusetts Institute of Technology, European Research Consortium for * Informatics and Mathematics, Keio University). All Rights Reserved. This * work is distributed under the W3C(r) Software License [1] in the hope that * it will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231 */ package org.w3c.dom; /** * The <code>Node</code> interface is the primary datatype for the entire * Document Object Model. It represents a single node in the document tree. * While all objects implementing the <code>Node</code> interface expose * methods for dealing with children, not all objects implementing the * <code>Node</code> interface may have children. For example, * <code>Text</code> nodes may not have children, and adding children to * such nodes results in a <code>DOMException</code> being raised. * <p>The attributes <code>nodeName</code>, <code>nodeValue</code> and * <code>attributes</code> are included as a mechanism to get at node * information without casting down to the specific derived interface. In * cases where there is no obvious mapping of these attributes for a * specific <code>nodeType</code> (e.g., <code>nodeValue</code> for an * <code>Element</code> or <code>attributes</code> for a <code>Comment</code> * ), this returns <code>null</code>. Note that the specialized interfaces * may contain additional and more convenient mechanisms to get and set the * relevant information. * <p>The values of <code>nodeName</code>, * <code>nodeValue</code>, and <code>attributes</code> vary according to the * node type as follows: * <table border='1' cellpadding='3'> * <tr> * <th>Interface</th> * <th>nodeName</th> * <th>nodeValue</th> * <th>attributes</th> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'> * <code>Attr</code></td> * <td valign='top' rowspan='1' colspan='1'>same as <code>Attr.name</code></td> * <td valign='top' rowspan='1' colspan='1'>same as * <code>Attr.value</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>CDATASection</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>"#cdata-section"</code></td> * <td valign='top' rowspan='1' colspan='1'>same as <code>CharacterData.data</code>, the * content of the CDATA Section</td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>Comment</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>"#comment"</code></td> * <td valign='top' rowspan='1' colspan='1'>same as <code>CharacterData.data</code>, the * content of the comment</td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>Document</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>"#document"</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'> * <code>DocumentFragment</code></td> * <td valign='top' rowspan='1' colspan='1'><code>"#document-fragment"</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>null</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>DocumentType</code></td> * <td valign='top' rowspan='1' colspan='1'>same as * <code>DocumentType.name</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'> * <code>Element</code></td> * <td valign='top' rowspan='1' colspan='1'>same as <code>Element.tagName</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>NamedNodeMap</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>Entity</code></td> * <td valign='top' rowspan='1' colspan='1'>entity name</td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>EntityReference</code></td> * <td valign='top' rowspan='1' colspan='1'>name of entity referenced</td> * <td valign='top' rowspan='1' colspan='1'> * <code>null</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>Notation</code></td> * <td valign='top' rowspan='1' colspan='1'>notation name</td> * <td valign='top' rowspan='1' colspan='1'> * <code>null</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>ProcessingInstruction</code></td> * <td valign='top' rowspan='1' colspan='1'>same * as <code>ProcessingInstruction.target</code></td> * <td valign='top' rowspan='1' colspan='1'>same as * <code>ProcessingInstruction.data</code></td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'><code>Text</code></td> * <td valign='top' rowspan='1' colspan='1'> * <code>"#text"</code></td> * <td valign='top' rowspan='1' colspan='1'>same as <code>CharacterData.data</code>, the content * of the text node</td> * <td valign='top' rowspan='1' colspan='1'><code>null</code></td> * </tr> * </table> * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>. */ public interface Node { // NodeType /** * The node is an <code>Element</code>. */ public static final short ELEMENT_NODE = 1; /** * The node is an <code>Attr</code>. */ public static final short ATTRIBUTE_NODE = 2; /** * The node is a <code>Text</code> node. */ public static final short TEXT_NODE = 3; /** * The node is a <code>CDATASection</code>. */ public static final short CDATA_SECTION_NODE = 4; /** * The node is an <code>EntityReference</code>. */ public static final short ENTITY_REFERENCE_NODE = 5; /** * The node is an <code>Entity</code>. */ public static final short ENTITY_NODE = 6; /** * The node is a <code>ProcessingInstruction</code>. */ public static final short PROCESSING_INSTRUCTION_NODE = 7; /** * The node is a <code>Comment</code>. */ public static final short COMMENT_NODE = 8; /** * The node is a <code>Document</code>. */ public static final short DOCUMENT_NODE = 9; /** * The node is a <code>DocumentType</code>. */ public static final short DOCUMENT_TYPE_NODE = 10; /** * The node is a <code>DocumentFragment</code>. */ public static final short DOCUMENT_FRAGMENT_NODE = 11; /** * The node is a <code>Notation</code>. */ public static final short NOTATION_NODE = 12; /** * The name of this node, depending on its type; see the table above. */ public String getNodeName(); /** * The value of this node, depending on its type; see the table above. * When it is defined to be <code>null</code>, setting it has no effect, * including if the node is read-only. * @exception DOMException * DOMSTRING_SIZE_ERR: Raised when it would return more characters than * fit in a <code>DOMString</code> variable on the implementation * platform. */ public String getNodeValue() throws DOMException; /** * The value of this node, depending on its type; see the table above. * When it is defined to be <code>null</code>, setting it has no effect, * including if the node is read-only. * @exception DOMException * NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly and if * it is not defined to be <code>null</code>. */ public void setNodeValue(String nodeValue) throws DOMException; /** * A code representing the type of the underlying object, as defined above. */ public short getNodeType(); /** * The parent of this node. All nodes, except <code>Attr</code>, * <code>Document</code>, <code>DocumentFragment</code>, * <code>Entity</code>, and <code>Notation</code> may have a parent. * However, if a node has just been created and not yet added to the * tree, or if it has been removed from the tree, this is * <code>null</code>. */ public Node getParentNode(); /** * A <code>NodeList</code> that contains all children of this node. If * there are no children, this is a <code>NodeList</code> containing no * nodes. */ public NodeList getChildNodes(); /** * The first child of this node. If there is no such node, this returns * <code>null</code>. */ public Node getFirstChild(); /** * The last child of this node. If there is no such node, this returns * <code>null</code>. */ public Node getLastChild(); /** * The node immediately preceding this node. If there is no such node, * this returns <code>null</code>. */ public Node getPreviousSibling(); /** * The node immediately following this node. If there is no such node, * this returns <code>null</code>. */ public Node getNextSibling(); /** * A <code>NamedNodeMap</code> containing the attributes of this node (if * it is an <code>Element</code>) or <code>null</code> otherwise. */ public NamedNodeMap getAttributes(); /** * The <code>Document</code> object associated with this node. This is * also the <code>Document</code> object used to create new nodes. When * this node is a <code>Document</code> or a <code>DocumentType</code> * which is not used with any <code>Document</code> yet, this is * <code>null</code>. * @version DOM Level 2 */ public Document getOwnerDocument(); /** * Inserts the node <code>newChild</code> before the existing child node * <code>refChild</code>. If <code>refChild</code> is <code>null</code>, * insert <code>newChild</code> at the end of the list of children. * <br>If <code>newChild</code> is a <code>DocumentFragment</code> object, * all of its children are inserted, in the same order, before * <code>refChild</code>. If the <code>newChild</code> is already in the * tree, it is first removed. * <p ><b>Note:</b> Inserting a node before itself is implementation * dependent. * @param newChild The node to insert. * @param refChild The reference node, i.e., the node before which the * new node must be inserted. * @return The node being inserted. * @exception DOMException * HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not * allow children of the type of the <code>newChild</code> node, or if * the node to insert is one of this node's ancestors or this node * itself, or if this node is of type <code>Document</code> and the * DOM application attempts to insert a second * <code>DocumentType</code> or <code>Element</code> node. * <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created * from a different document than the one that created this node. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly or * if the parent of the node being inserted is readonly. * <br>NOT_FOUND_ERR: Raised if <code>refChild</code> is not a child of * this node. * <br>NOT_SUPPORTED_ERR: if this node is of type <code>Document</code>, * this exception might be raised if the DOM implementation doesn't * support the insertion of a <code>DocumentType</code> or * <code>Element</code> node. * @version DOM Level 3 */ public Node insertBefore(Node newChild, Node refChild) throws DOMException; /** * Replaces the child node <code>oldChild</code> with <code>newChild</code> * in the list of children, and returns the <code>oldChild</code> node. * <br>If <code>newChild</code> is a <code>DocumentFragment</code> object, * <code>oldChild</code> is replaced by all of the * <code>DocumentFragment</code> children, which are inserted in the * same order. If the <code>newChild</code> is already in the tree, it * is first removed. * <p ><b>Note:</b> Replacing a node with itself is implementation * dependent. * @param newChild The new node to put in the child list. * @param oldChild The node being replaced in the list. * @return The node replaced. * @exception DOMException * HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not * allow children of the type of the <code>newChild</code> node, or if * the node to put in is one of this node's ancestors or this node * itself, or if this node is of type <code>Document</code> and the * result of the replacement operation would add a second * <code>DocumentType</code> or <code>Element</code> on the * <code>Document</code> node. * <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created * from a different document than the one that created this node. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node or the parent of * the new node is readonly. * <br>NOT_FOUND_ERR: Raised if <code>oldChild</code> is not a child of * this node. * <br>NOT_SUPPORTED_ERR: if this node is of type <code>Document</code>, * this exception might be raised if the DOM implementation doesn't * support the replacement of the <code>DocumentType</code> child or * <code>Element</code> child. * @version DOM Level 3 */ public Node replaceChild(Node newChild, Node oldChild) throws DOMException; /** * Removes the child node indicated by <code>oldChild</code> from the list * of children, and returns it. * @param oldChild The node being removed. * @return The node removed. * @exception DOMException * NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly. * <br>NOT_FOUND_ERR: Raised if <code>oldChild</code> is not a child of * this node. * <br>NOT_SUPPORTED_ERR: if this node is of type <code>Document</code>, * this exception might be raised if the DOM implementation doesn't * support the removal of the <code>DocumentType</code> child or the * <code>Element</code> child. * @version DOM Level 3 */ public Node removeChild(Node oldChild) throws DOMException; /** * Adds the node <code>newChild</code> to the end of the list of children * of this node. If the <code>newChild</code> is already in the tree, it * is first removed. * @param newChild The node to add.If it is a * <code>DocumentFragment</code> object, the entire contents of the * document fragment are moved into the child list of this node * @return The node added. * @exception DOMException * HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not * allow children of the type of the <code>newChild</code> node, or if * the node to append is one of this node's ancestors or this node * itself, or if this node is of type <code>Document</code> and the * DOM application attempts to append a second * <code>DocumentType</code> or <code>Element</code> node. * <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created * from a different document than the one that created this node. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly or * if the previous parent of the node being inserted is readonly. * <br>NOT_SUPPORTED_ERR: if the <code>newChild</code> node is a child * of the <code>Document</code> node, this exception might be raised * if the DOM implementation doesn't support the removal of the * <code>DocumentType</code> child or <code>Element</code> child. * @version DOM Level 3 */ public Node appendChild(Node newChild) throws DOMException; /** * Returns whether this node has any children. * @return Returns <code>true</code> if this node has any children, * <code>false</code> otherwise. */ public boolean hasChildNodes(); /** * Returns a duplicate of this node, i.e., serves as a generic copy * constructor for nodes. The duplicate node has no parent ( * <code>parentNode</code> is <code>null</code>) and no user data. User * data associated to the imported node is not carried over. However, if * any <code>UserDataHandlers</code> has been specified along with the * associated data these handlers will be called with the appropriate * parameters before this method returns. * <br>Cloning an <code>Element</code> copies all attributes and their * values, including those generated by the XML processor to represent * defaulted attributes, but this method does not copy any children it * contains unless it is a deep clone. This includes text contained in * an the <code>Element</code> since the text is contained in a child * <code>Text</code> node. Cloning an <code>Attr</code> directly, as * opposed to be cloned as part of an <code>Element</code> cloning * operation, returns a specified attribute (<code>specified</code> is * <code>true</code>). Cloning an <code>Attr</code> always clones its * children, since they represent its value, no matter whether this is a * deep clone or not. Cloning an <code>EntityReference</code> * automatically constructs its subtree if a corresponding * <code>Entity</code> is available, no matter whether this is a deep * clone or not. Cloning any other type of node simply returns a copy of * this node. * <br>Note that cloning an immutable subtree results in a mutable copy, * but the children of an <code>EntityReference</code> clone are readonly * . In addition, clones of unspecified <code>Attr</code> nodes are * specified. And, cloning <code>Document</code>, * <code>DocumentType</code>, <code>Entity</code>, and * <code>Notation</code> nodes is implementation dependent. * @param deep If <code>true</code>, recursively clone the subtree under * the specified node; if <code>false</code>, clone only the node * itself (and its attributes, if it is an <code>Element</code>). * @return The duplicate node. */ public Node cloneNode(boolean deep); /** * Puts all <code>Text</code> nodes in the full depth of the sub-tree * underneath this <code>Node</code>, including attribute nodes, into a * "normal" form where only structure (e.g., elements, comments, * processing instructions, CDATA sections, and entity references) * separates <code>Text</code> nodes, i.e., there are neither adjacent * <code>Text</code> nodes nor empty <code>Text</code> nodes. This can * be used to ensure that the DOM view of a document is the same as if * it were saved and re-loaded, and is useful when operations (such as * XPointer [<a href='http://www.w3.org/TR/2003/REC-xptr-framework-20030325/'>XPointer</a>] * lookups) that depend on a particular document tree structure are to * be used. If the parameter "normalize-characters" of the * <code>DOMConfiguration</code> object attached to the * <code>Node.ownerDocument</code> is <code>true</code>, this method * will also fully normalize the characters of the <code>Text</code> * nodes. * <p ><b>Note:</b> In cases where the document contains * <code>CDATASections</code>, the normalize operation alone may not be * sufficient, since XPointers do not differentiate between * <code>Text</code> nodes and <code>CDATASection</code> nodes. * @version DOM Level 3 */ public void normalize(); /** * Tests whether the DOM implementation implements a specific feature and * that feature is supported by this node, as specified in . * @param feature The name of the feature to test. * @param version This is the version number of the feature to test. * @return Returns <code>true</code> if the specified feature is * supported on this node, <code>false</code> otherwise. * @since DOM Level 2 */ public boolean isSupported(String feature, String version); /** * The namespace URI of this node, or <code>null</code> if it is * unspecified (see ). * <br>This is not a computed value that is the result of a namespace * lookup based on an examination of the namespace declarations in * scope. It is merely the namespace URI given at creation time. * <br>For nodes of any type other than <code>ELEMENT_NODE</code> and * <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1 * method, such as <code>Document.createElement()</code>, this is always * <code>null</code>. * <p ><b>Note:</b> Per the <em>Namespaces in XML</em> Specification [<a href='http://www.w3.org/TR/1999/REC-xml-names-19990114/'>XML Namespaces</a>] * an attribute does not inherit its namespace from the element it is * attached to. If an attribute is not explicitly given a namespace, it * simply has no namespace. * @since DOM Level 2 */ public String getNamespaceURI(); /** * The namespace prefix of this node, or <code>null</code> if it is * unspecified. When it is defined to be <code>null</code>, setting it * has no effect, including if the node is read-only. * <br>Note that setting this attribute, when permitted, changes the * <code>nodeName</code> attribute, which holds the qualified name, as * well as the <code>tagName</code> and <code>name</code> attributes of * the <code>Element</code> and <code>Attr</code> interfaces, when * applicable. * <br>Setting the prefix to <code>null</code> makes it unspecified, * setting it to an empty string is implementation dependent. * <br>Note also that changing the prefix of an attribute that is known to * have a default value, does not make a new attribute with the default * value and the original prefix appear, since the * <code>namespaceURI</code> and <code>localName</code> do not change. * <br>For nodes of any type other than <code>ELEMENT_NODE</code> and * <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1 * method, such as <code>createElement</code> from the * <code>Document</code> interface, this is always <code>null</code>. * @since DOM Level 2 */ public String getPrefix(); /** * The namespace prefix of this node, or <code>null</code> if it is * unspecified. When it is defined to be <code>null</code>, setting it * has no effect, including if the node is read-only. * <br>Note that setting this attribute, when permitted, changes the * <code>nodeName</code> attribute, which holds the qualified name, as * well as the <code>tagName</code> and <code>name</code> attributes of * the <code>Element</code> and <code>Attr</code> interfaces, when * applicable. * <br>Setting the prefix to <code>null</code> makes it unspecified, * setting it to an empty string is implementation dependent. * <br>Note also that changing the prefix of an attribute that is known to * have a default value, does not make a new attribute with the default * value and the original prefix appear, since the * <code>namespaceURI</code> and <code>localName</code> do not change. * <br>For nodes of any type other than <code>ELEMENT_NODE</code> and * <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1 * method, such as <code>createElement</code> from the * <code>Document</code> interface, this is always <code>null</code>. * @exception DOMException * INVALID_CHARACTER_ERR: Raised if the specified prefix contains an * illegal character according to the XML version in use specified in * the <code>Document.xmlVersion</code> attribute. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly. * <br>NAMESPACE_ERR: Raised if the specified <code>prefix</code> is * malformed per the Namespaces in XML specification, if the * <code>namespaceURI</code> of this node is <code>null</code>, if the * specified prefix is "xml" and the <code>namespaceURI</code> of this * node is different from "<a href='http://www.w3.org/XML/1998/namespace'> * http://www.w3.org/XML/1998/namespace</a>", if this node is an attribute and the specified prefix is "xmlns" and * the <code>namespaceURI</code> of this node is different from "<a href='http://www.w3.org/2000/xmlns/'>http://www.w3.org/2000/xmlns/</a>", or if this node is an attribute and the <code>qualifiedName</code> of * this node is "xmlns" [<a href='http://www.w3.org/TR/1999/REC-xml-names-19990114/'>XML Namespaces</a>] * . * @since DOM Level 2 */ public void setPrefix(String prefix) throws DOMException; /** * Returns the local part of the qualified name of this node. * <br>For nodes of any type other than <code>ELEMENT_NODE</code> and * <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1 * method, such as <code>Document.createElement()</code>, this is always * <code>null</code>. * @since DOM Level 2 */ public String getLocalName(); /** * Returns whether this node (if it is an element) has any attributes. * @return Returns <code>true</code> if this node has any attributes, * <code>false</code> otherwise. * @since DOM Level 2 */ public boolean hasAttributes(); /** * The absolute base URI of this node or <code>null</code> if the * implementation wasn't able to obtain an absolute URI. This value is * computed as described in . However, when the <code>Document</code> * supports the feature "HTML" [<a href='http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109'>DOM Level 2 HTML</a>] * , the base URI is computed using first the value of the href * attribute of the HTML BASE element if any, and the value of the * <code>documentURI</code> attribute from the <code>Document</code> * interface otherwise. * @since DOM Level 3 */ public String getBaseURI(); // DocumentPosition /** * The two nodes are disconnected. Order between disconnected nodes is * always implementation-specific. */ public static final short DOCUMENT_POSITION_DISCONNECTED = 0x01; /** * The second node precedes the reference node. */ public static final short DOCUMENT_POSITION_PRECEDING = 0x02; /** * The node follows the reference node. */ public static final short DOCUMENT_POSITION_FOLLOWING = 0x04; /** * The node contains the reference node. A node which contains is always * preceding, too. */ public static final short DOCUMENT_POSITION_CONTAINS = 0x08; /** * The node is contained by the reference node. A node which is contained * is always following, too. */ public static final short DOCUMENT_POSITION_CONTAINED_BY = 0x10; /** * The determination of preceding versus following is * implementation-specific. */ public static final short DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0x20; /** * Compares the reference node, i.e. the node on which this method is * being called, with a node, i.e. the one passed as a parameter, with * regard to their position in the document and according to the * document order. * @param other The node to compare against the reference node. * @return Returns how the node is positioned relatively to the reference * node. * @exception DOMException * NOT_SUPPORTED_ERR: when the compared nodes are from different DOM * implementations that do not coordinate to return consistent * implementation-specific results. * @since DOM Level 3 */ public short compareDocumentPosition(Node other) throws DOMException; /** * This attribute returns the text content of this node and its * descendants. When it is defined to be <code>null</code>, setting it * has no effect. On setting, any possible children this node may have * are removed and, if it the new string is not empty or * <code>null</code>, replaced by a single <code>Text</code> node * containing the string this attribute is set to. * <br> On getting, no serialization is performed, the returned string * does not contain any markup. No whitespace normalization is performed * and the returned string does not contain the white spaces in element * content (see the attribute * <code>Text.isElementContentWhitespace</code>). Similarly, on setting, * no parsing is performed either, the input string is taken as pure * textual content. * <br>The string returned is made of the text content of this node * depending on its type, as defined below: * <table border='1' cellpadding='3'> * <tr> * <th>Node type</th> * <th>Content</th> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'> * ELEMENT_NODE, ATTRIBUTE_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, * DOCUMENT_FRAGMENT_NODE</td> * <td valign='top' rowspan='1' colspan='1'>concatenation of the <code>textContent</code> * attribute value of every child node, excluding COMMENT_NODE and * PROCESSING_INSTRUCTION_NODE nodes. This is the empty string if the * node has no children.</td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE, * PROCESSING_INSTRUCTION_NODE</td> * <td valign='top' rowspan='1' colspan='1'><code>nodeValue</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'>DOCUMENT_NODE, * DOCUMENT_TYPE_NODE, NOTATION_NODE</td> * <td valign='top' rowspan='1' colspan='1'><em>null</em></td> * </tr> * </table> * @exception DOMException * DOMSTRING_SIZE_ERR: Raised when it would return more characters than * fit in a <code>DOMString</code> variable on the implementation * platform. * @since DOM Level 3 */ public String getTextContent() throws DOMException; /** * This attribute returns the text content of this node and its * descendants. When it is defined to be <code>null</code>, setting it * has no effect. On setting, any possible children this node may have * are removed and, if it the new string is not empty or * <code>null</code>, replaced by a single <code>Text</code> node * containing the string this attribute is set to. * <br> On getting, no serialization is performed, the returned string * does not contain any markup. No whitespace normalization is performed * and the returned string does not contain the white spaces in element * content (see the attribute * <code>Text.isElementContentWhitespace</code>). Similarly, on setting, * no parsing is performed either, the input string is taken as pure * textual content. * <br>The string returned is made of the text content of this node * depending on its type, as defined below: * <table border='1' cellpadding='3'> * <tr> * <th>Node type</th> * <th>Content</th> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'> * ELEMENT_NODE, ATTRIBUTE_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, * DOCUMENT_FRAGMENT_NODE</td> * <td valign='top' rowspan='1' colspan='1'>concatenation of the <code>textContent</code> * attribute value of every child node, excluding COMMENT_NODE and * PROCESSING_INSTRUCTION_NODE nodes. This is the empty string if the * node has no children.</td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE, * PROCESSING_INSTRUCTION_NODE</td> * <td valign='top' rowspan='1' colspan='1'><code>nodeValue</code></td> * </tr> * <tr> * <td valign='top' rowspan='1' colspan='1'>DOCUMENT_NODE, * DOCUMENT_TYPE_NODE, NOTATION_NODE</td> * <td valign='top' rowspan='1' colspan='1'><em>null</em></td> * </tr> * </table> * @exception DOMException * NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly. * @since DOM Level 3 */ public void setTextContent(String textContent) throws DOMException; /** * Returns whether this node is the same node as the given one. * <br>This method provides a way to determine whether two * <code>Node</code> references returned by the implementation reference * the same object. When two <code>Node</code> references are references * to the same object, even if through a proxy, the references may be * used completely interchangeably, such that all attributes have the * same values and calling the same DOM method on either reference * always has exactly the same effect. * @param other The node to test against. * @return Returns <code>true</code> if the nodes are the same, * <code>false</code> otherwise. * @since DOM Level 3 */ public boolean isSameNode(Node other); /** * Look up the prefix associated to the given namespace URI, starting from * this node. The default namespace declarations are ignored by this * method. * <br>See for details on the algorithm used by this method. * @param namespaceURI The namespace URI to look for. * @return Returns an associated namespace prefix if found or * <code>null</code> if none is found. If more than one prefix are * associated to the namespace prefix, the returned namespace prefix * is implementation dependent. * @since DOM Level 3 */ public String lookupPrefix(String namespaceURI); /** * This method checks if the specified <code>namespaceURI</code> is the * default namespace or not. * @param namespaceURI The namespace URI to look for. * @return Returns <code>true</code> if the specified * <code>namespaceURI</code> is the default namespace, * <code>false</code> otherwise. * @since DOM Level 3 */ public boolean isDefaultNamespace(String namespaceURI); /** * Look up the namespace URI associated to the given prefix, starting from * this node. * <br>See for details on the algorithm used by this method. * @param prefix The prefix to look for. If this parameter is * <code>null</code>, the method will return the default namespace URI * if any. * @return Returns the associated namespace URI or <code>null</code> if * none is found. * @since DOM Level 3 */ public String lookupNamespaceURI(String prefix); /** * Tests whether two nodes are equal. * <br>This method tests for equality of nodes, not sameness (i.e., * whether the two nodes are references to the same object) which can be * tested with <code>Node.isSameNode()</code>. All nodes that are the * same will also be equal, though the reverse may not be true. * <br>Two nodes are equal if and only if the following conditions are * satisfied: * <ul> * <li>The two nodes are of the same type. * </li> * <li>The following string * attributes are equal: <code>nodeName</code>, <code>localName</code>, * <code>namespaceURI</code>, <code>prefix</code>, <code>nodeValue</code> * . This is: they are both <code>null</code>, or they have the same * length and are character for character identical. * </li> * <li>The * <code>attributes</code> <code>NamedNodeMaps</code> are equal. This * is: they are both <code>null</code>, or they have the same length and * for each node that exists in one map there is a node that exists in * the other map and is equal, although not necessarily at the same * index. * </li> * <li>The <code>childNodes</code> <code>NodeLists</code> are equal. * This is: they are both <code>null</code>, or they have the same * length and contain equal nodes at the same index. Note that * normalization can affect equality; to avoid this, nodes should be * normalized before being compared. * </li> * </ul> * <br>For two <code>DocumentType</code> nodes to be equal, the following * conditions must also be satisfied: * <ul> * <li>The following string attributes * are equal: <code>publicId</code>, <code>systemId</code>, * <code>internalSubset</code>. * </li> * <li>The <code>entities</code> * <code>NamedNodeMaps</code> are equal. * </li> * <li>The <code>notations</code> * <code>NamedNodeMaps</code> are equal. * </li> * </ul> * <br>On the other hand, the following do not affect equality: the * <code>ownerDocument</code>, <code>baseURI</code>, and * <code>parentNode</code> attributes, the <code>specified</code> * attribute for <code>Attr</code> nodes, the <code>schemaTypeInfo</code> * attribute for <code>Attr</code> and <code>Element</code> nodes, the * <code>Text.isElementContentWhitespace</code> attribute for * <code>Text</code> nodes, as well as any user data or event listeners * registered on the nodes. * <p ><b>Note:</b> As a general rule, anything not mentioned in the * description above is not significant in consideration of equality * checking. Note that future versions of this specification may take * into account more attributes and implementations conform to this * specification are expected to be updated accordingly. * @param arg The node to compare equality with. * @return Returns <code>true</code> if the nodes are equal, * <code>false</code> otherwise. * @since DOM Level 3 */ public boolean isEqualNode(Node arg); /** * This method returns a specialized object which implements the * specialized APIs of the specified feature and version, as specified * in . The specialized object may also be obtained by using * binding-specific casting methods but is not necessarily expected to, * as discussed in . This method also allow the implementation to * provide specialized objects which do not support the <code>Node</code> * interface. * @param feature The name of the feature requested. Note that any plus * sign "+" prepended to the name of the feature will be ignored since * it is not significant in the context of this method. * @param version This is the version number of the feature to test. * @return Returns an object which implements the specialized APIs of * the specified feature and version, if any, or <code>null</code> if * there is no object which implements interfaces associated with that * feature. If the <code>DOMObject</code> returned by this method * implements the <code>Node</code> interface, it must delegate to the * primary core <code>Node</code> and not return results inconsistent * with the primary core <code>Node</code> such as attributes, * childNodes, etc. * @since DOM Level 3 */ public Object getFeature(String feature, String version); /** * Associate an object to a key on this node. The object can later be * retrieved from this node by calling <code>getUserData</code> with the * same key. * @param key The key to associate the object to. * @param data The object to associate to the given key, or * <code>null</code> to remove any existing association to that key. * @param handler The handler to associate to that key, or * <code>null</code>. * @return Returns the <code>DOMUserData</code> previously associated to * the given key on this node, or <code>null</code> if there was none. * @since DOM Level 3 */ public Object setUserData(String key, Object data, UserDataHandler handler); /** * Retrieves the object associated to a key on a this node. The object * must first have been set to this node by calling * <code>setUserData</code> with the same key. * @param key The key the object is associated to. * @return Returns the <code>DOMUserData</code> associated to the given * key on this node, or <code>null</code> if there was none. * @since DOM Level 3 */ public Object getUserData(String key); }