org.enhydra.xml.xmlc.dom.HTMLDomFactoryMethods Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of xmlc-all-runtime
Enhydra XMLC compiler.
The newest version!
/*
 * Enhydra Java Application Server Project
 * 
 * The contents of this file are subject to the Enhydra Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License on
 * the Enhydra web site ( http://www.enhydra.org/ ).
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 
 * the License for the specific terms governing rights and limitations
 * under the License.
 * 
 * The Initial Developer of the Enhydra Application Server is Lutris
 * Technologies, Inc. The Enhydra Application Server and portions created
 * by Lutris Technologies, Inc. are Copyright Lutris Technologies, Inc.
 * All Rights Reserved.
 * 
 * Contributor(s):
 * 
 * $Id: HTMLDomFactoryMethods.java,v 1.2 2005/01/26 08:29:24 jkjome Exp $
 */

package org.enhydra.xml.xmlc.dom;

import java.util.HashSet;
import java.util.StringTokenizer;

import org.w3c.dom.Element;

/**
 * Support for implementing DOM factories for HTML.  Since a HTML
 * DOM factory normally extends the XML DOM factory, there isn't
 * a base class for HTML support.
 */
public final class HTMLDomFactoryMethods {
    /**
     * HTML URL attributes.
     */
    private static String[] URL_ATTRIBUTES = {
        "action", "archive", "background", "cite", "classid", "codebase",
        "data", "href", "longdesc", "onblur", "onchange", "onclick",
        "ondblclick", "onfocus", "onkeydown", "onkeypress", "onkeyup",
        "onload", "onmousedown", "onmousemove", "onmouseout", "onmouseover",
        "onmouseup","onreset", "onselect", "onsubmit", "onunload", "profile",
        "src", "usemap"
    };

    /**
     * HashSet built from URL_ATTRIBUTES.
     */
    private static final HashSet urlAttributes;

    /**
     * Class initializer.
     */
    static {
        urlAttributes = new HashSet(URL_ATTRIBUTES.length);
        for (int idx = 0; idx < URL_ATTRIBUTES.length; idx++) {
            urlAttributes.add(URL_ATTRIBUTES[idx]);
        }
    }
        
    /**
     * @see XMLCDomFactory#getBaseClassName
     */
    public static final String getBaseClassName() {
        return "org.enhydra.xml.xmlc.html.HTMLObjectImpl";
    }

    /**
     * @see XMLCDomFactory#getInterfaceNames
     */
    public static final String[] getInterfaceNames() {
        return new String[] {"org.enhydra.xml.xmlc.html.HTMLObject"};
    }

    /**
     * @see XMLCDomFactory#getElementClassNames
     */
    public static final String[] getElementClassNames(Element element) {
        //FIXME: This code would be real useful in XMLCUtil or HTMLObject.
        String classNames = element.getAttribute("class");
        if ((classNames == null) || (classNames.length() ==0)) {
            return null;
        } else {
            // Parse the class name.
            StringTokenizer tokens = new StringTokenizer(classNames);
            String[] names = new String[tokens.countTokens()];
            for (int idx = 0; idx < names.length; idx++) {
                names[idx] = tokens.nextToken();
            }
            return names;
        }
    }


    /**
     * @see XMLCDomFactory#isURLAttribute
     */
    public static final boolean isURLAttribute(Element element,
                                               String attrName) {
        return urlAttributes.contains(attrName);
    }
}