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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this version of the Tomahawk library.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.myfaces.custom.document;

import java.io.IOException;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;

import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
import org.apache.myfaces.shared_tomahawk.util.renderkit.HTML;

/**
 * Document to enclose the whole document. If not otherwise possible you can use
 * state="start|end" to demarkate the document boundaries
 *
 * @JSFRenderer
 *   renderKitId = "HTML_BASIC"
 *   family = "javax.faces.Data"
 *   type = "org.apache.myfaces.Document"
 *
 * @author Mario Ivankovits (latest modification by $Author: hoersch#his.de $)
 * @version $Revision: 1.1 $ $Date: 2012-06-23 17:38:52 $
 */
public class DocumentRenderer extends AbstractDocumentRenderer
{
    public static final String RENDERER_TYPE = "org.apache.myfaces.Document";

    private String[] ATTRS = new String[] {"xmlns", "lang"};

    private static final String LINE_SEPARATOR = System.getProperty(
                    "line.separator", "\r\n"); // make HtmlRendererUtils.LINE_SEPARATOR public?

    enum ConditionalCommentParts {
        IE6(    ""),
        IE7(    ""),
        IE8(    ""),
        IE9(    ""),
        DEFAULT("", null,     "");

        private final String _opening;
        private final String _styleClass;
        private final String _closing;

        private ConditionalCommentParts(String opening, String styleClass, String closing)
        {
            this._opening = opening;
            this._styleClass = styleClass;
            this._closing = closing;
        }

        String opening()
        {
            return _opening;
        }

        String styleClass()
        {
            return _styleClass;
        }

        String closing()
        {
            return _closing;
        }
    }

    @Override
    protected String getHtmlTag()
    {
        return "html";
    }

    @Override
    protected Class getDocumentClass()
    {
        return Document.class;
    }

    @Override
    protected void openTag(FacesContext facesContext, ResponseWriter writer,
            UIComponent uiComponent) throws IOException {

        Document document = (Document) uiComponent;
        if (document.isIncludeBrowserSelectors())
        {
            for (ConditionalCommentParts part : ConditionalCommentParts.values())
            {
                writer.append(part.opening());
                openTagIntern(facesContext, writer, uiComponent);
                if (part.styleClass() != null)
                {
                    writer.writeAttribute(HTML.CLASS_ATTR, part.styleClass(), null);
                }
                writer.append(part.closing());
                writer.append(LINE_SEPARATOR);
            }
        }
        else
        {
            openTagIntern(facesContext, writer, uiComponent);
        }
    }

    private void openTagIntern(FacesContext facesContext, ResponseWriter writer, UIComponent uiComponent) throws IOException
    {
        super.openTag(facesContext, writer, uiComponent);
        HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, ATTRS);
    }
}