node.java

cssparser -- CSS 的语法解析器。采用java语言编写。可用在服务端生成页面。

     * <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.
     * @param newChildThe new node to put in the child list.
     * @param oldChildThe 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.
     *   <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.
     */
    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 oldChildThe 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.
     */
    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 newChildThe 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.
     *   <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.
     */
    public Node appendChild(Node newChild)
                            throws DOMException;

    /**
     * Returns whether this node has any children.
     * @return  <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>.).
     * <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 text it 
     * contains unless it is a deep clone, since the text is contained in a 
     * child <code>Text</code> node. Cloning an <code>Attribute</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 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 deepIf <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  lookups) that depend on a particular document tree 
     * structure are to be used.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 2
     */
    public void normalize();

    /**
     * Tests whether the DOM implementation implements a specific feature and 
     * that feature is supported by this node.
     * @param featureThe name of the feature to test. This is the same name 
     *   which can be passed to the method <code>hasFeature</code> on 
     *   <code>DOMImplementation</code>.
     * @param versionThis is the version number of the feature to test. In 
     *   Level 2, version 1, this is the string "2.0". If the version is not 
     *   specified, supporting any version of the feature will cause the 
     *   method to return <code>true</code>.
     * @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.
     * <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>createElement</code> from the 
     * <code>Document</code> interface, this is always <code>null</code>.Per 
     * the Namespaces in XML Specification  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.
     * <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>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.
     *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
     *   <br>NAMESPACE_ERR: Raised if the specified <code>prefix</code> is 
     *   malformed, 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 "
     *   http://www.w3.org/XML/1998/namespace", if this node is an attribute 
     *   and the specified prefix is "xmlns" and the 
     *   <code>namespaceURI</code> of this node is different from "
     *   http://www.w3.org/2000/xmlns/", or if this node is an attribute and 
     *   the <code>qualifiedName</code> of this node is "xmlns" .
     * @since DOM Level 2
     */
    public String getPrefix();
    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>createElement</code> from the 
     * <code>Document</code> interface, 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 <code>true</code> if this node has any attributes, 
     *   <code>false</code> otherwise.
     * @since DOM Level 2
     */
    public boolean hasAttributes();

}