Java tutorial
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed 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. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * This file is available under and governed by the GNU General Public * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * * Copyright (c) 2000 World Wide Web Consortium, * (Massachusetts Institute of Technology, Institut National de * Recherche en Informatique et en Automatique, Keio University). All * Rights Reserved. This program is distributed under the W3C's Software * Intellectual Property License. This program is distributed 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. * See W3C License http://www.w3.org/Consortium/Legal/ for more details. */ package org.w3c.dom.css; import org.w3c.dom.DOMException; /** * The <code>CSSRule</code> interface is the abstract base interface for any * type of CSS statement. This includes both rule sets and at-rules. An * implementation is expected to preserve all rules specified in a CSS style * sheet, even if the rule is not recognized by the parser. Unrecognized * rules are represented using the <code>CSSUnknownRule</code> interface. * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>. * @since 1.4, DOM Level 2 */ public interface CSSRule { // RuleType /** * The rule is a <code>CSSUnknownRule</code>. */ public static final short UNKNOWN_RULE = 0; /** * The rule is a <code>CSSStyleRule</code>. */ public static final short STYLE_RULE = 1; /** * The rule is a <code>CSSCharsetRule</code>. */ public static final short CHARSET_RULE = 2; /** * The rule is a <code>CSSImportRule</code>. */ public static final short IMPORT_RULE = 3; /** * The rule is a <code>CSSMediaRule</code>. */ public static final short MEDIA_RULE = 4; /** * The rule is a <code>CSSFontFaceRule</code>. */ public static final short FONT_FACE_RULE = 5; /** * The rule is a <code>CSSPageRule</code>. */ public static final short PAGE_RULE = 6; /** * The type of the rule, as defined above. The expectation is that * binding-specific casting methods can be used to cast down from an * instance of the <code>CSSRule</code> interface to the specific * derived interface implied by the <code>type</code>. */ public short getType(); /** * The parsable textual representation of the rule. This reflects the * current state of the rule and not its initial value. */ public String getCssText(); /** * The parsable textual representation of the rule. This reflects the * current state of the rule and not its initial value. * @exception DOMException * SYNTAX_ERR: Raised if the specified CSS string value has a syntax * error and is unparsable. * <br>INVALID_MODIFICATION_ERR: Raised if the specified CSS string * value represents a different type of rule than the current one. * <br>HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at * this point in the style sheet. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly. */ public void setCssText(String cssText) throws DOMException; /** * The style sheet that contains this rule. */ public CSSStyleSheet getParentStyleSheet(); /** * If this rule is contained inside another rule (e.g. a style rule * inside an @media block), this is the containing rule. If this rule is * not nested inside any other rules, this returns <code>null</code>. */ public CSSRule getParentRule(); }