org.apache.myfaces.renderkit.html.ext.HtmlMessagesRenderer Maven / Gradle / Ivy

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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 JSF1.2 features. A JSF1.2 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.renderkit.html.ext;

import org.apache.myfaces.component.html.ext.HtmlMessage;
import org.apache.myfaces.component.html.ext.HtmlMessages;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlMessagesRendererBase;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import java.io.IOException;
import java.text.MessageFormat;

/**
 * @JSFRenderer
 *   renderKitId = "HTML_BASIC"
 *   family = "javax.faces.Messages"
 *   type = "org.apache.myfaces.Messages"
 * 
 * @author Manfred Geiler (latest modification by $Author: lu4242 $)
 * @version $Revision: 659874 $ $Date: 2008-05-24 15:59:15 -0500 (Sat, 24 May 2008) $
 */
public class HtmlMessagesRenderer
        extends HtmlMessagesRendererBase
{
    //private static final Log log = LogFactory.getLog(HtmlMessagesRenderer.class);


    public void encodeEnd(FacesContext facesContext, UIComponent component)
            throws IOException
    {
        super.encodeEnd(facesContext, component);   //check for NP
        renderMessages(facesContext, component);

        if (component instanceof HtmlMessages
                && ((HtmlMessages) component).getForceSpan())
        {
            ResponseWriter writer = facesContext.getResponseWriter();

            HtmlMessages htmlMessages = (HtmlMessages) component;

            writer.startElement(HTML.SPAN_ELEM, null);
            writer.writeAttribute(HTML.ID_ATTR,component.getClientId(facesContext),null);
            if(htmlMessages.getStyleClass()!=null)
            writer.writeAttribute(HTML.CLASS_ATTR,htmlMessages.getStyleClass(),null);
            if(htmlMessages.getStyle()!=null)
            writer.writeAttribute(HTML.STYLE_ATTR,htmlMessages.getStyle(),null);
            writer.endElement(HTML.SPAN_ELEM);
        }
    }

    protected String getSummary(FacesContext facesContext,
                                UIComponent message,
                                FacesMessage facesMessage,
                                String msgClientId)
    {
        String msgSummary = facesMessage.getSummary();
        if (msgSummary == null) return null;

        String inputLabel = null;
        if (msgClientId != null) inputLabel = HtmlMessageRenderer.findInputLabel(facesContext, msgClientId);
        if (inputLabel == null) inputLabel = "";

        if(((message instanceof HtmlMessages && ((HtmlMessages) message).isReplaceIdWithLabel()) ||
                (message instanceof HtmlMessage && ((HtmlMessage) message).isReplaceIdWithLabel()))&&
                inputLabel.length()!=0)
            msgSummary = msgSummary.replaceAll(HtmlMessageRenderer.findInputId(facesContext, msgClientId),inputLabel);


        String summaryFormat;
        if (msgClientId == null)
        {
            summaryFormat = getGlobalSummaryFormat(message);
            if (summaryFormat == null)
            {
                summaryFormat = getSummaryFormat(message);
            }
        }
        else
        {
            summaryFormat = getSummaryFormat(message);
        }
        if (summaryFormat == null) return msgSummary;

        MessageFormat format = new MessageFormat(summaryFormat, facesContext.getViewRoot().getLocale());
        return format.format(new Object[] {msgSummary, inputLabel});
    }


    private String getSummaryFormat(UIComponent message)
    {
        if (message instanceof HtmlMessages)
        {
            return ((HtmlMessages)message).getSummaryFormat();
        }
        else
        {
            return (String)message.getAttributes().get("summaryFormat");
        }
    }

    private String getGlobalSummaryFormat(UIComponent message)
    {
        if (message instanceof HtmlMessages)
        {
            return ((HtmlMessages)message).getGlobalSummaryFormat();
        }
        else
        {
            return (String)message.getAttributes().get("globalSummaryFormat");
        }
    }

    protected String getDetail(FacesContext facesContext,
                               UIComponent message,
                               FacesMessage facesMessage,
                               String msgClientId)
    {
        String msgDetail = facesMessage.getDetail();
        if (msgDetail == null) return null;

        String inputLabel = null;
        if (msgClientId != null) inputLabel = HtmlMessageRenderer.findInputLabel(facesContext, msgClientId);
        if (inputLabel == null) inputLabel = "";

        if(((message instanceof HtmlMessages && ((HtmlMessages) message).isReplaceIdWithLabel()) ||
                (message instanceof HtmlMessage && ((HtmlMessage) message).isReplaceIdWithLabel()))&&
                inputLabel.length()!=0)
            msgDetail = msgDetail.replaceAll(HtmlMessageRenderer.findInputId(facesContext, msgClientId),inputLabel);

        String detailFormat;
        if (message instanceof HtmlMessage)
        {
            detailFormat = ((HtmlMessage)message).getDetailFormat();
        }
        else
        {
            detailFormat = (String)message.getAttributes().get("detailFormat");
        }

        if (detailFormat == null) return msgDetail;

        MessageFormat format = new MessageFormat(detailFormat, facesContext.getViewRoot().getLocale());
        return format.format(new Object[] {msgDetail, inputLabel});
    }


}